2004.5-2005 LLY Engine Parts & Accessories


ARP Head Studs | 01-16 Duramax
Sale priceFrom $948.00

Merchant Grade C Head Gasket Kit | 04.5-10 LLY, LBZ & LMM Duramax
Sale priceFrom $751.00


XDP Wrinkle Black HD High Output Alternator | 01-07 GM Duramax
Sale price$613.00


Merchant Automotive Performance Motor Mounts | 01-10 GM Duramax
Sale price$616.00

CR2 Duramax Crankshaft Pin Kit | 01-16 GM Duramax
Sale price$218.00


PPE Billet Valve Covers Shaved | 04.5-10 Duramax
Sale price$446.00


PPE Billet Valve Covers OEM Style | 04.5-10 Duramax
Sale price$446.00


PPE Head Stud Kit | 01-16 GM Duramax
Sale price$787.00

PPE Uppipe Bolt Set | 01-16 GM Duramax
Sale price$53.00


Wehrli Billet Exhaust Manifolds | 2001-2016 GM Duramax
Sale price$1,978.00

XDP HD Gear Reduction Starter | 2001-2019 GM Duramax
Sale price$438.00


Wehrli Brake Reservoir Cover | 2001-2019 GM Duramax
Sale priceFrom $205.00


Wehrli Billet Aluminum Oil Cap | 2001-2025 GM Duramax
Sale price$73.00


PPE Stainless Steel Coolant Tube | 01-24 GM Duramax
Sale price$289.00


XDP High Output Alternator | 01-07 GM Duramax
Sale price$438.00


SoCal Street Rods | 01-16 GM Duramax
Sale price$2,914.00


SoCal Performance Motor Mounts | 01-10 GM Duramax
Sale price$655.00


SoCal Billet Main Caps | 01-16 GM Duramax
Sale price$1,305.00


SoCal Alternative Firing Camshafts | 01-16 GM Duramax
Sale price$1,604.00


Merchant Automotive Water Pump Kit | 01-05 GM Duramax
Sale priceFrom $364.00


Merchant Automotive Oil Cooler | 01-10 GM Duramax
Sale priceFrom $1,166.00


Industrial Injection Billet Pushrods | 01-16 GM Duramax
Sale priceFrom $35.00


Industrial Injection 14MM Gorilla Girdle Kit | 01-10 GM Duramax
Sale price$1,927.00