9th Oct 2026
Buyer's Guide: Garrett 819308-5001S
Garrett 819308-5001S Turbocharger: The Complete Buyer's Guide to Kohler KDI 2504 TCR Applications, OEM Cross References & Replacement
Garrett GT1444SZ | Kohler 9610079 | Lombardini ED0096100790-S | Garrett GAR3312
When a turbocharger fails on a diesel-powered generator, construction machine, agricultural tractor, or industrial engine, the cost of the replacement part is only one consideration. Equipment downtime, diagnostic labor, installation time, and the possibility of a repeat failure can quickly become more expensive than the turbocharger itself.
For equipment originally fitted with the Garrett 819308-5001S Turbocharger, choosing a Genuine Garrett replacement offers a straightforward way to restore the original turbocharger configuration without introducing the uncertainties associated with an improperly matched substitute.
The Garrett GT1444SZ 819308-5001S is a new, genuine OEM turbocharger associated with the Kohler KDI 2504 TCR 2.5-liter diesel engine, including industrial and off-highway applications.
This guide explains its specifications, documented applications, OEM cross-reference numbers, proper identification methods, common failure symptoms, and important considerations before replacement.
Looking for the exact replacement? View the Genuine Garrett 819308-5001S Turbocharger at TURBOS.COM.
Garrett 819308-5001S: Technical Specifications
The Garrett 819308-5001S belongs to the GT14 turbocharger family. Its application-specific configuration uses a pressure-operated wastegate to regulate turbine energy and boost pressure.
| Specification | Details |
|---|---|
| Manufacturer | Garrett |
| Garrett Part Number | 819308-5001S |
| Turbocharger Model | GT1444SZ |
| Related Model Designations | GT1444S / GT14 |
| Product Condition | Brand New |
| Product Type | Genuine OEM Turbocharger |
| Engine Manufacturer | Kohler / Lombardini |
| Engine Model | KDI 2504 TCR |
| Engine Displacement | 2.5L / 2,482 cc |
| Engine Configuration | Four-Cylinder Diesel |
| Reference Engine Rating | Approximately 74–75 HP at 2,600 RPM |
| Turbocharger Regulation | Internal Wastegate |
| Wastegate Actuation | Pneumatic / Pressure Operated |
| Primary Kohler OE Number | 9610079 |
| Kohler / Lombardini Reference | ED0096100790-S |
| Application Classification | Industrial / Off-Highway |
| Garrett Catalog Year Reference | 2012 onward |
The horsepower figure identifies the engine application documented by Garrett and Kohler. Actual engine ratings and emissions configurations can vary with the equipment and production specification.
Importantly, GT1444SZ is a model designation, not a universal interchange number. Other GT14 or GT1444S turbochargers may use different housings, mounting configurations, or calibrations. The complete Garrett or equipment OEM part number should always control the replacement decision.
What Makes the Genuine Garrett GT1444SZ the Right Replacement?
A turbocharger is a precisely matched component of the engine's combustion and air-management system.
The compressor must deliver airflow appropriate to the engine's operating range. The turbine must efficiently convert exhaust energy into shaft speed, while the wastegate regulates boost under changing loads.
These characteristics become especially important in industrial diesel applications, where engines routinely operate under sustained load rather than the variable driving conditions typical of passenger vehicles.
The Genuine Garrett 819308-5001S provides several important advantages when replacing an original turbocharger of the same specification.
Original Equipment Manufacturing
Garrett manufactures the turbocharger to the engineering specifications associated with the original application.
When the replacement number is correctly matched, the turbocharger retains the intended compressor and turbine configuration, housing geometry, mounting arrangement, and wastegate characteristics.
Predictable Engine Performance
Correct turbocharger matching is essential to achieving the engine's designed boost response and airflow delivery.
An improperly selected replacement can cause poor response, insufficient boost, excessive exhaust temperatures, incorrect wastegate operation, or performance outside the engine manufacturer's intended operating range.
Reduced Replacement Uncertainty
For professional repair shops and equipment maintenance departments, avoiding an unnecessary comeback is often more important than achieving the lowest initial parts cost.
A Genuine Garrett replacement eliminates the uncertainty associated with selecting an unknown aftermarket turbocharger with potentially different internal specifications.
Built for Demanding Industrial Applications
The Kohler KDI 2504 TCR engine operates in equipment where consistent torque, reliability, and uptime are critical.
Whether powering a generator, operating hydraulic equipment, or supporting agricultural machinery, the turbocharger must function correctly throughout the engine's operating range.
Choosing the properly matched original equipment replacement helps preserve those intended operating characteristics.
Kohler KDI 2504 TCR: Engine Applications
The primary documented application for Garrett 819308-5001S is the Kohler KDI 2504 TCR, a 2.5-liter, four-cylinder, turbocharged common-rail diesel engine.
This engine platform is used in industrial and off-highway equipment, including machinery manufactured by third-party equipment companies.
Kohler's published engine information identifies applications across agricultural, construction, industrial, and power-generation sectors.
Agricultural Equipment
The KDI 2504 engine family is associated with equipment used in farming, landscaping, and agricultural operations, including:
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Agricultural and specialty tractors
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Orchard and vineyard tractors
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Fruit harvesting equipment
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Irrigation and water-pumping equipment
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Agricultural material-handling machinery
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Wood chippers and related equipment
For farmers and independent equipment owners, identifying the engine and turbocharger part numbers is particularly important because machine manufacturers frequently source engines from outside suppliers.
Construction Equipment
The Kohler KDI 2504 engine platform is also associated with construction machinery such as:
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Skid steer loaders
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Compact track loaders
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Compact wheel loaders
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Excavators
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Backhoe loaders
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Telescopic handlers
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Compaction rollers
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Concrete mixers and sprayers
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Aerial work platforms
These are engine-family application categories, not a claim that every machine in each category uses the 819308-5001S.
Generator and Industrial Equipment
Additional KDI engine-family applications include:
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Diesel generator sets
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Industrial standby power equipment
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Air compressors
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Welding equipment
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Industrial water pumps
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Pressure washers
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Motor sweepers
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Forklifts
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Specialized industrial machinery
Important fitment distinction: The presence of a Kohler KDI 2504 engine does not, by itself, confirm that Garrett 819308-5001S is the required turbocharger.
Engine suffixes, equipment configuration, emissions specifications, and production revisions must be considered. Confirm the turbocharger identification number or the equipment manufacturer's parts information before ordering.
Specific Equipment Models and OEM References
Beyond the engine-level application, several equipment manufacturers and aftermarket catalogs associate this Garrett turbocharger family with particular machines.
The following information is useful when researching replacement parts, but equipment serial-number verification remains necessary.
| Equipment Manufacturer | Model or Application | Fitment Considerations |
|---|---|---|
| Kohler / Lombardini | KDI 2504 TCR 2.5L Diesel | Primary Garrett-documented engine application |
| JCB | 215 Skid Steer Loader | Kohler KDI 2504-powered configurations; confirm original turbo number |
| JCB | 215T and related KDI-powered loader configurations | Engine-family association; verify turbo by serial number |
| JCB | 3CX Compact | Some parts catalogs reference JCB 333/H5647; verify engine and equipment configuration |
| Wacker Neuson | CRT60-74LX Ride-On Trowel | KDI 2504 TCR engine documented; check OE turbo reference |
| Wacker Neuson | CRT60-74L Ride-On Trowel | Catalog association with OE number 5200016499; verify machine revision |
| Wacker Neuson | HIF690 Equipment | Catalog association with 5200016499; confirm exact variant and engine |
JCB Turbocharger Cross Reference: 333/H5647
One important equipment-related number is JCB 333/H5647, also written 333H5647.
This number appears in aftermarket interchange catalogs for the Garrett 819308 turbocharger family.
JCB has used Kohler KDI engines in various compact equipment applications. However, some JCB models and production generations use entirely different engines.
For example, machine listings that broadly associate the JCB 270 with this turbocharger should not be treated as definitive; JCB documentation also identifies EcoMAX-powered 270 configurations.
When searching for a JCB 333/H5647 replacement turbocharger, verify the machine serial number, engine designation, and original Garrett identification plate.
Wacker Neuson Turbocharger Cross Reference: 5200016499
Wacker Neuson 5200016499 is another equipment OEM reference associated with this Garrett turbocharger family.
Parts catalogs identify this reference for certain CRT60-74 series ride-on trowels and HIF690 applications.
The CRT60-74LX is documented with a Kohler KDI 2504 TCR engine, making it a relevant application to investigate when sourcing Garrett 819308-5001S.
However, an equipment manufacturer's part number must be confirmed against the exact machine configuration before a Garrett replacement is selected.
A Note on Other Online Equipment Listings
Some broad aftermarket catalogs also list JCB 225 and 270 loaders, SANY SY95C excavators, Gehl R220/R260 skid steers, and Manitou 2200R/2600R loaders as potential applications.
These listings should not be considered confirmed fitments without additional documentation. Some of those machines are equipped with different engine families, depending on model and production year.
For an experienced technician, the safest approach is to treat machine-model search results as a starting point and use the original turbo identification or machine-specific parts catalog to establish the correct replacement.
Complete Garrett 819308-5001S Cross-Reference Guide
Searching by the original turbocharger number is generally more reliable than searching by equipment description alone.
Garrett 819308-5001S appears under several original equipment, service, aftermarket, and equipment manufacturer numbers.
Garrett Turbocharger Numbers
| Part Number | Reference |
|---|---|
| 819308-5001S | Genuine Garrett service replacement |
| 819308-5001 | Garrett related service number |
| 819308-0001 | Garrett original equipment number |
| 819308-1 | Catalog interchange formatting |
| 819308-9001 | Catalog interchange number |
| 819308-9001S | Garrett replacement interchange |
| 8193085001S | Non-hyphenated format |
| 8193085001 | Non-hyphenated format |
| 8193080001 | Non-hyphenated format |
| 8193089001 | Non-hyphenated format |
| 8193089001S | Non-hyphenated format |
Additional catalogs also associate 819308-2001 and 8193082001 with this turbocharger family. Because these are not the primary service numbers in Garrett's application record for 819308-5001S, verify their interchange status before ordering.
Kohler and Lombardini OEM Numbers
| Part Number | Manufacturer Reference |
|---|---|
| 9610079 | Kohler OEM |
| ED0096100790 | Kohler / Lombardini |
| ED0096100790-S | Kohler / Lombardini |
| ED0096100790S | Alternate catalog formatting |
Additional Equipment and Distributor References
| Part Number | Reference |
|---|---|
| 333/H5647 | JCB |
| 333H5647 | JCB, alternate formatting |
| 333-H5647 | JCB, alternate catalog formatting |
| 5200016499 | Wacker Neuson |
| 170-025-3147 | D&W Diesel |
| 1700253147 | D&W Diesel, alternate formatting |
| 70400727 | Published aftermarket interchange |
| 4105440 | Secondary turbocharger catalog reference |
Not all catalog references represent original equipment numbers issued by Garrett. Some are distributor, aftermarket, or alternate catalog identifiers.
A cross-reference listing is a part-identification aid, not a substitute for confirming the exact turbocharger specification.
What About GT1444S, GT1444SZ, and GT14?
The Garrett 819308-5001S is commonly described using GT1444SZ, GT1444S, and GT14 terminology.
These names are useful when researching replacement turbos, but a model-family match is insufficient to establish interchangeability.
The correct replacement must match the complete part-number specification.
For this application, the most useful purchase identifiers remain:
Garrett 819308-5001S | Kohler 9610079 | Lombardini ED0096100790-S
How to Identify the Correct Garrett Turbocharger
Before ordering, locate the identification plate on the original turbocharger.
Garrett turbochargers typically carry a metal identification plate containing a manufacturer part number and other identifying information.
A unit belonging to this family may show a number such as 819308-0001 rather than the service replacement number 819308-5001S.
Recommended Identification Procedure
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Locate the turbocharger identification plate. Record the complete number, including its suffix.
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Confirm the engine model. Identify whether the engine is a Kohler KDI 2504 TCR and record the full engine designation.
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Check the equipment serial number. Production changes may affect turbocharger specifications.
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Compare the OE reference. Numbers such as 9610079, ED0096100790-S, and 333/H5647 can help establish interchangeability.
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Verify the replacement before purchase. If the original number differs from the primary Garrett service number, confirm the cross-reference.
Never select a turbocharger solely because the housings look alike or the engine displacement matches.
Even small differences in turbine configuration, compressor matching, or wastegate calibration can affect engine performance.
Need help identifying the correct unit? Contact TURBOS.COM with the original turbocharger part number, engine model, equipment model, or a clear photograph of the identification plate.
Symptoms of a Failing Kohler KDI 2504 Turbocharger
A turbocharger operating outside its intended specifications can produce symptoms similar to fuel-system, intake, exhaust, or engine-management problems.
Accurate diagnosis before replacement is essential.
Reduced Power Under Load
A loss of engine power is one of the most common complaints associated with insufficient boost pressure.
In a generator, this may become apparent when electrical demand increases. On construction or agricultural equipment, the operator may notice reduced responsiveness or an inability to sustain expected engine performance.
Potential causes include compressor damage, boost leaks, restricted airflow, wastegate malfunction, or problems unrelated to the turbocharger.
Excessive Exhaust Smoke
Black exhaust smoke may indicate insufficient air relative to the amount of fuel entering the engine.
A failing turbocharger can contribute to this condition, but restricted intake airflow, charge-air leaks, injector issues, and other fuel-system faults must also be considered.
Blue exhaust smoke may indicate engine oil entering the combustion or exhaust system. Turbocharger oil leakage is one possible cause, but engine wear and crankcase ventilation issues can produce similar symptoms.
Unusual Turbocharger Noise
Whining, scraping, or other abnormal noises may indicate a problem with the rotating assembly.
However, intake and exhaust leaks can also create noises that resemble turbocharger failure.
Inspect the turbocharger and surrounding systems before concluding that the rotating assembly is damaged.
Excessive Shaft Movement or Wheel Damage
Some radial movement can be normal in an unpressurized journal-bearing turbocharger.
The important distinction is whether movement exceeds manufacturer limits, whether wheel-to-housing contact has occurred, or whether the compressor or turbine blades show physical damage.
Visible blade damage, housing contact, or abnormal axial movement warrants further investigation.
Oil Accumulation in the Intake System
Oil accumulation can indicate a turbocharger problem, but oil found in intake piping does not automatically establish turbocharger failure.
Restricted oil drainage, excessive crankcase pressure, overfilled engine oil, and ventilation-system issues may contribute to oil entering the intake or exhaust path.
Understanding the underlying cause is essential before installing a replacement.
Why Turbochargers Fail: Correct the Root Cause Before Replacement
Installing a new turbocharger without identifying the cause of the original failure can result in another damaged unit.
This is particularly important for industrial engines exposed to dust, heat, vibration, and sustained operating loads.
Oil Starvation
Insufficient lubrication can damage turbocharger bearings and the rotating assembly.
Possible causes include restricted oil supply lines, contaminated engine oil, inadequate oil pressure, or an interruption in oil delivery.
Before replacing the turbocharger, inspect the lubrication system and verify that the engine provides the required oil supply.
Oil Contamination
Contaminated lubricating oil can damage bearing surfaces and accelerate wear.
Metallic debris, dirt, degraded oil, and material from previous failures should be addressed before a new turbocharger is installed.
Foreign Object Damage
Foreign Object Damage (FOD) occurs when debris enters the compressor or turbine housing and strikes the rotating blades.
Debris may originate from the air intake, deteriorated components, damaged ducting, or material left behind after a previous failure.
Inspect the complete intake and exhaust paths as appropriate to the failure.
Airflow Restrictions and Boost Leaks
A restricted air filter, collapsed intake hose, or leaking charge-air connection may cause performance complaints even when the turbocharger is mechanically sound.
Do not replace a turbocharger based on low boost pressure alone without evaluating the full air-management system.
Wastegate Problems
The Garrett GT1444SZ uses a pressure-operated wastegate arrangement.
A damaged actuator, incorrect pressure signal, sticking mechanism, or improperly adjusted linkage can affect boost control.
Wastegate settings should not be altered without the applicable manufacturer specifications and procedures.
Important Installation Considerations
A new Genuine Garrett turbocharger should be installed only after the underlying engine and system conditions have been evaluated.
For a professional repair shop or experienced equipment owner, the following checks are especially important:
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Confirm the replacement turbocharger number and configuration.
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Inspect engine oil condition and replace the oil and filter as appropriate.
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Check turbocharger oil supply and drain lines for restrictions or damage.
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Confirm that the intake system is clean and free of loose material.
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Inspect the air filter and all intake connections.
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Inspect charge-air plumbing for debris, restrictions, and leakage.
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Confirm that the exhaust path is clear and free of damaging foreign material.
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Verify proper crankcase ventilation and oil drainage.
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Prime the turbocharger with clean engine oil according to Garrett's procedure.
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Follow the applicable engine manufacturer's initial-startup and inspection requirements.
The objective is not simply to install a replacement turbocharger. It is to restore the complete air, exhaust, and lubrication systems to proper operating condition.
This approach protects the new unit and reduces the likelihood of a repeat failure.
Genuine Garrett vs. Aftermarket Replacement: What Should Buyers Consider?
Price is important, particularly for farms, contractors, and maintenance operations working within a defined repair budget.
However, a turbocharger purchase should be evaluated against the total cost of the repair.
Original Equipment Specifications
A Genuine Garrett 819308-5001S provides an OE-manufactured replacement for applications requiring that exact specification.
The buyer is not relying on an unknown aftermarket manufacturer to reproduce the original component geometry and operating characteristics.
Equipment Downtime
Downtime can affect planting, harvesting, construction schedules, generator availability, or industrial production.
A lower purchase price offers little benefit if an incorrect component creates additional labor or extends the repair.
Repair Shop Confidence
Professional technicians depend on consistent parts identification and dependable replacement components.
Installing the correct OEM turbocharger can reduce fitment uncertainty and eliminate avoidable questions about the replacement unit's intended specifications.
Long-Term Ownership Value
For customers planning to retain their equipment, the cost of the part should be considered alongside labor, availability, future serviceability, and expected operating conditions.
The Genuine Garrett replacement is particularly attractive when original-equipment conformity is a purchasing priority.
Frequently Asked Questions
Is Garrett 819308-5001S a genuine OEM turbocharger?
Yes. Garrett 819308-5001S is a Garrett service replacement turbocharger associated with Kohler OE number 9610079. A new Genuine Garrett unit is an original-manufacturer product, not a generic aftermarket copy.
What engine does Garrett 819308-5001S fit?
Garrett documents the turbocharger for the Kohler KDI 2504 TCR 2.5L diesel engine, with a catalog reference beginning in 2012. Individual engine versions and equipment configurations must still be verified.
Does Garrett 819308-5001S replace Kohler 9610079?
Yes. 9610079 is the OE number shown in Garrett's application catalog for 819308-5001S.
Is ED0096100790-S the same turbocharger?
ED0096100790-S is a Kohler/Lombardini reference commonly cross-listed with Garrett 819308-5001S. Confirm the complete part number and engine configuration before ordering.
Is Garrett 819308-0001 interchangeable with 819308-5001S?
Yes. These numbers appear together in established Garrett interchange catalogs for this application.
Does this turbocharger fit a JCB skid steer?
Certain JCB machines use the Kohler KDI 2504 engine, and JCB reference 333/H5647 appears in the 819308 turbocharger interchange family. Confirm the machine's actual engine and turbocharger number before purchase.
Does Garrett 819308-5001S fit Wacker Neuson equipment?
Wacker Neuson reference 5200016499 appears in published interchange catalogs for this turbocharger family. Some CRT60-74 series equipment uses the KDI 2504 engine. Confirm fitment using the original turbocharger number and machine serial number.
Can I replace a GT1444S with a GT1444SZ?
Not based on the model designation alone. Verify the complete Garrett part number and the original application. Similar model names do not automatically indicate identical specifications.
Should I replace the turbocharger if my Kohler engine has low boost?
Not without diagnosis. Low boost can result from intake restrictions, leaking charge-air connections, wastegate problems, exhaust restrictions, or engine-management conditions.
Where can I buy a Genuine Garrett 819308-5001S turbocharger?
TURBOS.COM offers the Genuine Garrett 819308-5001S GT1444SZ turbocharger and provides assistance with part-number identification and replacement selection.
Check current pricing and availability at TURBOS.COM.
Buy Genuine Garrett 819308-5001S at TURBOS.COM
For professional repair shops, agricultural operations, construction contractors, generator service companies, and independent equipment owners, buying the correct replacement turbocharger is essential to completing a dependable repair.
The Genuine Garrett 819308-5001S GT1444SZ Turbocharger is an OE-manufactured replacement associated with the Kohler KDI 2504 TCR 2.5L diesel engine and Kohler OE number 9610079.
At TURBOS.COM, our focus is straightforward: help customers identify the correct turbocharger, source genuine OEM components, and purchase with confidence.
Whether you are replacing a Garrett 819308-0001, researching Kohler 9610079, locating a Lombardini ED0096100790-S replacement, or confirming an equipment-specific cross-reference, accurate parts identification comes first.
Get the right turbocharger the first time.
SHOP GENUINE GARRETT 819308-5001S AT TURBOS.COM
Not certain about fitment? Contact TURBOS.COM for expert replacement assistance. Provide the turbocharger identification number, equipment model, engine information, or a photograph of the original ID plate so our team can help confirm the correct replacement before ordering.
