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GM Duramax Parts

MadJack Diesel Performance is proud to provide you with a huge selection of high-quality and affordable 6.6L Duramax diesel parts. From fuel, transmission and oil filters to transmission pans and differential covers, we carry all the Chevrolet and GMC Duramax performance parts you need to keep your engine running at its best. Whether you’re repairing a Duramax truck from the early 2000s or upgrading and customizing your 2015, you’ll find that our selection and prices are very competitive.

We source parts from the same manufacturers GM uses for their OEM line and their AC Delco line. These parts are the same parts as name-branded ones, without the big name and we sell at discounted prices. We also carry the name brand parts you expect to have available to you. We supply the exact same filter or part that you would get at a major retail store at a reduced cost.

We love our Duramax trucks whether they be GMC or Chevrolet just as much as you do. We strive to offer high-quality parts without the price tag these usually command. Our Duramax OEM, aftermarket and performance parts are going to fit, work and last. We understand that towing RV trailers, boats and hauling heavy loads takes a toll on your engine. Having the right parts helps your truck work efficiently for as long as possible. If you have questions about which parts will work best on your GM Duramax equipped truck contact us today! Our staff is extremely knowledgeable, experienced, courteous and ready to give you the time and service you expect when spending your hard earned money.

Need parts fast? Order in stock items by 3:00 pm and your parts will be shipped the same day in most cases.

MJD Duramax Water In Fuel Sensor Wrench GMC/Chevy 2012 & UP
MSRP $21.95
Our Price: $14.95
Savings: $7.00
Gladiator Heavy Duty Cargo Net with Rip-Stop Mesh Netting
MSRP $215.00
Our Price: $199.89
Savings: $15.11
S&B Cold Air Intake For 2011-2016 LML Duramax Diesel
MSRP $341.00
Our Price: $299.00
Savings: $42.00
2015-16 LML Duramax Diesel Fuel Filter Access Door
MSRP $32.99
Our Price: $21.95
Savings: $11.04
MadJack Diesel Performance Allison 1000 Deep Pan Kit With Fluid
MSRP $257.64
Our Price: $223.87
Savings: $33.77
S&B Cold Air Intake For 2017-2018 LP5 Duramax Diesel
MSRP $341.00
Our Price: $299.00
Savings: $42.00
PPE Cooling System Drain Tube
MSRP $38.99
Our Price: $29.99
Savings: $9.00

Top Sellers

Allison OEM Spin-on Transmission Filter
Our Price: $10.25
MJDP Billet Alum Bleed Screw
Our Price: $10.25
Racor Duramax Diesel Fuel Filter 2001-2016
Our Price: $39.25
Baldwin BF9882 Duramax Diesel Fuel Filter
Our Price: $35.78

New Products

AC Delco TP1015 2017 Duramax Fuel Filter
Our Price: $34.78
PPE Silicone Coolant Hose Kit 2011-2016 LML
Our Price: $289.99