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NEW PRODUCTS!!

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6.7 Powerstroke Turbo Compressor Outlet Connector - G&R Diesel Inc.6.7 Powerstroke Turbo Compressor Outlet Connector - G&R Diesel Inc.
G&R Diesel Inc. 6.7 Powerstroke Turbo Compressor Outlet Connector
Sale price$149.00
6.7 Cummins Billet Fuel Filter Bleeder Cap - G&R Diesel Inc.
G&R Diesel Inc. 2025-2026 6.7 Cummins Billet Fuel Filter Bleeder Cap
Sale price$599.00
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6.7 Cummins Dipstick Mounting Bracket - G&R Diesel Inc.6.7 Cummins Dipstick Mounting Bracket - G&R Diesel Inc.
G&R Diesel 6.7 Cummins Dipstick Mounting Bracket
Sale priceFrom $209.00
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06+ Cummins Billet Rocker Box - G&R Diesel Inc.06+ Cummins Billet Rocker Box - G&R Diesel Inc.
G&R Diesel 06+ Cummins Billet Rocker Box
Sale price$679.00
6.7 Powerstroke Upper Fuel Filter Bypass Block - G&R Diesel Inc.
G&R Diesel 6.7 Powerstroke Upper Fuel Filter Bypass Block
Sale price$249.00
6.7 Powerstroke Dual Rear Fuel Filter Conversion Kit - G&R Diesel Inc.6.7 Powerstroke Dual Rear Fuel Filter Conversion Kit - G&R Diesel Inc.
G&R Diesel 6.7 Powerstroke Dual Rear Fuel Filter Conversion Kit
Sale price$599.00
2013-2018 6.7 Cummins Fuel Filter/ Water Separator Conversion Kit - G&R Diesel Inc.
G&R Diesel 2013-2018 6.7 Cummins Fuel Filter/ Water Separator Conversion Kit
Sale price$499.00
6.7 Cummins Fuel Filter Bypass Block w/ Fuel Heater - G&R Diesel Inc.6.7 Cummins Fuel Filter Bypass Block w/ Fuel Heater - G&R Diesel Inc.
G&R Diesel 6.7 Cummins Fuel Filter Bypass Block w/ Fuel Heater
Sale price$299.00
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2019-2024 6.7 Cummins Fuel Filter/ Water Separator Conversion Kit - G&R Diesel Inc.
G&R Diesel 2019-2024 6.7 Cummins Fuel Filter/ Water Separator Conversion Kit
Sale price$499.00
Tappet Cover w/ Oil Separator - G&R Diesel Inc.
G&R Diesel Tappet Cover w/ Oil Separator
Sale price$399.00
6.7 Cummins Cab & Chassis Rear CAT Conversion Kit - G&R Diesel Inc.
G&R Diesel 6.7 Cummins Cab & Chassis Rear CAT Conversion Kit
Sale priceFrom $299.00
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Duramax Stock Turbo Drain Line Kit - G&R Diesel Inc.
G&R Diesel Duramax Stock Turbo Drain Line Kit
Sale price$199.00

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G&R Diesel Inc. is an American diesel performance and parts company dedicated to building high-quality components for hardworking trucks. Founded by enthusiasts who understand what diesel owners expect from their equipment, G&R Diesel designs and manufactures parts that improve reliability, performance, and durability for Cummins, Duramax, and Powerstroke platforms. Every product is developed with real-world use in mind—whether the truck is used for towing, work, or everyday driving. With a focus on precision manufacturing, dependable fitment, and customer support, G&R Diesel is committed to providing diesel owners with parts they can trust.

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★ Reviews

Let customers speak for us

758 reviews
Write a review
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(1)
B
Duramax OEM Turbo Exhaust Outlet Flange
Brandon P.

Very happy with the quality. Highly recommend this product.

D
Fuel Line Quick-Connect Plug
Derek B.

Very impressed with the machining and finish. Shipping was quick too.

J
Powerstroke 1/4 NPT Swivel Oil Fill Cap
Jason P.

Excellent quality. Fit perfectly and solved my issue. Would definitely buy again.

Z
5/8 x 1" Billet Coolant T
Zach P.

Exactly as described. Installation was straightforward. Works exactly as it should.

J
6.7 Cummins Rear WIF Sensor Resistor Plug
Josh P.

Exactly as described. Installation was straightforward. Five stars.

123
Review picture
Brandon P.

Very happy with the quality. Highly recommend this product.

Duramax OEM Turbo Exhaust Outlet Flange
Review picture
Derek B.

Very impressed with the machining and finish. Shipping was quick too.

Fuel Line Quick-Connect Plug
Review picture
Zach P.

Exactly as described. Installation was straightforward. Works exactly as it should.

5/8 x 1" Billet Coolant T
Review picture
Jason P.

Excellent quality. Fit perfectly and solved my issue. Would definitely buy again.

Powerstroke 1/4 NPT Swivel Oil Fill Cap
Review picture
Josh P.

Exactly as described. Installation was straightforward. Five stars.

6.7 Cummins Rear WIF Sensor Resistor Plug
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