LML Duramax Engine Parts

The ARP Diesel Head Stud Kit 230-4201 is a must have in any high performance 2001-2016 GM 6.6L Duramax. To overcome head gasket failures that can o...

The XDP Performance Valve Springs & Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades an...

The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the fac...

The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE ro...

Enhance the charging system in your 2011-2019 GM 6.6L Duramax with the XDP Wrinkle Black HD High Output Alternator XD350. While many Duramax owner...

Avoid catastrophic engine failure from a sheared dowel pin in your 2001-2016 GM 6.6L Duramax with the XDP Duramax Crankshaft Pin Kit XD331. From t...

Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The ...

The XDP Pushrods 3/8" Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The factory pushrods in...

Upgraded 0.875 inch diameter pushrods for GM's Duramax 6.6L diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engin...

Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strength improvement over factory bridges. ...

Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your ...

Assemble the bottom end in your engine with the ARP 900-0950 Piston Ring Compressor (4.095" Bore). The Ring Compressor is CNC machined from 6061-T6...

Purchase the ARP 900-0750 Piston Ring Compressor (4.075" Bore) to save time and hassle on your engine build. Built tough, this Piston Ring Compress...

Purchase the ARP 900-0550 Piston Ring Compressor (4.055" Bore) to save time and hassle on your engine build. Built tough, this Piston Ring Compress...

The ARP Diesel Custom Age 625+ Head Stud Kit 230-4202 is the ultimate head stud kit for high horsepower 2001-2016 GM 6.6L Duramax engines. ARP has ...

ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8 hardware. Offered for all Duramax ...

ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8 hardware. Offered for all Duramax ...

The ARP 200-8793 Harmonic Balancer Washer for your 2001-2016 GM 6.6L Duramax is optimized for enhanced reliability and increased strength. Each 874...

The ARP 129-2503 Balancer Bolt Kit for your 2001-2018 GM 6.6L Duramax is optimized for enhanced reliability and increased strength. Each kit includ...

Replace the exhaust manifold in your 2001-2016 GM 6.6L Duramax with the XDP Driver Side High-Flow Exhaust Manifold XD342. The XD342 has an unrestri...

You can rely on the XDP Wrinkle Black HD Gear Reduction Starter XD251 to get your 2001-2019 GM 6.6L Duramax running in the most extreme environment...