587 products
Duramax
Shop Duramax from Hilltop Diesel Performance. Browse performance, replacement, service and supporting parts, and verify exact year, engine and vehicle fitment before ordering.
SALE
DTech
DTech Fuel Return Line Kit - 2001-2004 LB7 Duramax
$9.11$8.95
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SALE
Alliant Power
Alliant Power EGT Sensor Position 5 (Post-DPF) - 2011-2016 LML Duramax
$41.64$40.95
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SALE
Bosch
Bosch Fuel Rail Pressure Sensor - 2001-2004 LB7 Duramax
$287.87$276.95
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SALE
Bosch
Bosch New Right-Hand Fuel Rail - 2004.5-2005 LLY Duramax
$242.51$232.95
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SALE
Merchant Automotive
Merchant Automotive Rear Engine Cover - 2001-2010 GM Duramax
$569.65$546.86
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SALE
Wilwood
Wilwood TX6R Tactical Xtreme Front Big Brake Kit w/ Brake Lines - Black Calipers - 2011-2019 GM 2500
$3,157.98$3,031.95
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SALE
Mishimoto
Mishimoto Black Oil Catch Can - Universal - MMOCC-RB
$127.95$122.99
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SALE
Vibrant Performance
Vibrant Performance T304 Stainless Steel 90° Mandrel Bend - 5 in. O.D.
$187.99$180.95
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SALE
WeatherTech
WeatherTech Under Seat Storage System - 2020-2026 GM HD Work Truck Storage
$118.95$114.95
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SALE
Husky Liners
Husky X-Act Contour Center Hump Liner - 2020-2026 GM HD
$69.99$67.99
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SALE
WeatherTech
WeatherTech Grey Front FloorLiner HP - 2020-2026 GM HD
$157.95$151.95
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SALE
WeatherTech
WeatherTech Black Front FloorLiner HP - 2020-2026 GM HD
$157.95$151.95
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SALE
WeatherTech
WeatherTech Under Seat Storage System - 2020-2026 GM HD Regular Cab
$118.95$114.95
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SALE
WeatherTech
WeatherTech Tan Front FloorLiner HP - 2020-2026 GM HD
$157.95$151.95
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SALE
B&W
B&W Turnover Ball Gooseneck Hitch - 2016-2019 GM HD
$599.00$575.99
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SALE
WeatherTech
WeatherTech Roll-Up Truck Bed Cover 6'8 Bed - 2020-2026 GM HD
$605.95$581.95
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SALE
WeatherTech
WeatherTech TechLiner Bed Liner 8' Bed - 2020-2026 GM HD
$264.95$254.99
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SALE
WeatherTech
WeatherTech Cocoa Front FloorLiner HP - 2020-2026 GM HD
$157.95$151.95
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SALE
Husky Liners
Husky X-Act Contour Front Floor Liners - 2020-2026 GM HD Standard Cab
$109.99$105.99
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SALE
B&W
B&W Turnover Ball Gooseneck Hitch - 2011-2015 GM HD
$599.00$575.99
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SALE
B&W
B&W 25K Companion Fifth Wheel Hitch - 2020-2024 GM HD
$1,399.00$1,343.99
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SALE
B&W
B&W Turnover Ball Gooseneck Hitch - 2020-2024 GM HD
$699.00$671.99
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SALE
B&W
B&W Turnover Ball Gooseneck Hitch - 2001-2010 GM HD
$599.00$575.99
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SALE
PPE
PPE Polished Charge Pipe Kit - 2020-2025 GM Duramax L5P
$539.99$518.99
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Diesel parts guide
Shopping Duramax
Hilltop Diesel Performance organizes parts around real truck fitment so you can move from platform to the component you need without digging through an unrelated catalog. For Duramax applications, start with your exact year and engine, then verify configuration-specific notes on the product page before ordering.
Common upgrade and service paths include fuel delivery, injectors, turbochargers, intake and charge-air parts, exhaust, cooling, transmission components, filtration, sensors, gaskets, hardware and supporting installation parts.