Does your original LLY fuel injector lines have rust or corrosion build up. Are the sealing surfaces showing damage? Are you questioning if they will even clean up? We certainly would. Replacing the fuel injector lines is highly recommended when changing the LLY fuel...

ACDelco GM Original Equipment Automatic Transmission Oil Pan Gasket. This original equipment gasket provides the performance, durability, and service life you expect from General Motors.Features: Automatic Transmission Pan Gasket AC-Delco/GM Original Equipment Sold Individually Applications: 2001-Present GM 6.6L Duramax Allison 1000/2000 Transmissions (128044000) Vehicle...

Simply stated, more is always better when it comes to transmission fluid. Higher volumes of fluid take longer to heat up allowing for more stable transmission temperatures which help to extend transmission life. >PPEs Heavy-Duty Deep Allison Transmission Pans hold an extra 4 quarts...

If you're running an aftermarket positive displacement lift pump like our PowerFlo on your Duramax our fuel primer bulb sealing kit will allow you to eliminate the leak prone primer bulb from your fuel system. The sealing cap includes a 1/8 inch NPT port...

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 OEM cover. 2001-2016 Duramax Oil Cap Red? Vehicle Fitments Chevrolet Silverado 3500 2001 to 2006 Chevrolet Silverado 2500...

PureFlow AirDog 01-10 Chevrolet 6.6L Duramax FP-100-4G Fuel Pump

Control your torque converter from the palm of your hand with the AlliLocker from Fleece Performance Engineering. The AlliLockeris 100 percent code free and allows you to bypass the TCM to lock/unlock the torque converter on demand. Turn the bypass switch off, and the...

Transmission Filter for using our Deep Heavy Duty transmission oil pan.Features: Transmission Filter (12805700) GM Allison Transmission When Using PPE Deep Transmission Pan Sold Individually Applications: GM Allison 1000/2000/2400 series fit with PPE Heavy-Duty Deep Aluminum Transmission Pan Vehicle Fitments Chevrolet Silverado 2500 HD...

Upgraded 7/16 inch diameter pushrods for GM's Duramax 6.6L diesel engines. Produced from 4130 chrome molybdenum steel and heat treated to Rockwell Rc60 for outstanding strength and rigidity. These pushrods are designed to stand up to higher valve spring pressure, RPM, and cylinder pressure...

Problem: The factory turbo oil feed used on 2001-2016 Duramax's is supplied off of the #4 cam journal bearing, which can be restrictive, or even result in an oil blockage if the bearing slips. Solution: Fleece Performance's remote oil feed line allows you to...

TufShafts are a direct replacement upgrade shafts for any 2001-2010 GM 2500-3500 with a 9.25 inch AAM front axle. They are designed to eliminate the stock passenger side split axle shaft that is prone to breaking under high torque situations, as well as the...

GM 6.6L Duramax Cast Performance Pistons 411cid 4.095 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-40.7cc,896g,17.0CR, M142. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet Silverado...

GM 6.6L Duramax Forged Aluminum Race Pistons (Custom Order) 411cid 4.095 Forged Piston Kit, MADE TO ORDER - Call for Details. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016...

Diesel IND. Top Rings 1/16 (DMAX Forged, new style) 4.055 1/16 AP SS (STD) Top Ring (1cyl) Rings.   Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra...

Diesel Clips (each) 34.5 x 1.5mm Diesel Circlip. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet Silverado 2500 HD Classic 2007...

Diesel Ring Sets 4.075 DMAX 3.0K, 2.0, 3.0mm Steel DSL (8cyl) Rings.   Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet...

Diesel Ring Sets 4.095 DMAX 3.0K, 2.0, 3.0mm Steel DSL (8cyl) Rings.   Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet...

Diesel Pins 34.5 x 18 x 77.5mm R 410g DLC. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet Silverado 2500 HD...

Diesel IND. Top Rings 1/16 (DMAX Forged, new style) 4.095 1/16 AP SS (+040) Top Ring (1cyl) Rings.   Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra...

GM 6.6L Duramax Cast Performance Pistons SINGLE PISTON (930036055) 4.055 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-40.7cc,864g. Associated Comments: Replacement piston for kit 930036055. Bare piston only; components must be ordered separately. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016...

Diesel Ring Sets 4.055 DMAX 1/16, 2.0, 3.0mm Steel DSL (8cyl) Rings.   Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD 2007 to 2016 Chevrolet...

GM 6.6L Duramax Cast Performance Pistons w/ 0.075 Deep Valve Pockets 403cid 4.055 x 1.951CH, 3.898stroke,6.417rod,1.358pin,-41.8cc,861g,16.3CR, M142. Vehicle Fitments Chevrolet Silverado 2500 HD 2001 to 2016 Chevrolet Silverado 3500 HD 2007 to 2016 GMC Sierra 2500 HD 2001 to 2016 GMC Sierra 3500 HD...