Add to Cart Fleece Performance 17-19 GM Duramax 2500/3500 Heavy Duty Transmission Cooler lines - FPE-TL-L5P-1719 $395.99 Fleece Performance
Add to Cart Fleece Performance 11-16 GM 2500/3500 Duramax Auxiliary Heated Fuel Filter Kit - FPE-DMAX-HFFBA-1116 $475.99 Fleece Performance
Add to Cart Fleece Performance 17-22 GM 2500/3500 Duramax MAP Sensor Spacer & Boost Reference Port - FPE-L5P-MAP-SPR $89.99 Fleece Performance