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
PPE
PPE Replacement Passenger-Side Up-Pipe - LBZ Duramax
$359.99$345.95
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SALE
aFe Power
aFe Power Momentum HD Pro 5R Cold Air Intake - LBZ Duramax
$420.00$403.95
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SALE
Merchant Automotive
Merchant Automotive S400 Valley-Mount Turbo Oil Line Kit - LLY Duramax
$204.95$196.95
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SALE
BD Diesel
BD Diesel Allison Transmission & Multidisc Converter Package - LLY Duramax
$7,260.00$6,969.95
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SALE
WC Fab
WC Fab 3-inch Cold-Side Intercooler Pipe - Cat Yellow - LLY Duramax
$295.85$284.99
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SALE
Merchant Automotive
Merchant Automotive MAximum Work Allison 1000 Transmission - 2WD - LLY Duramax
$4,899.00$4,703.99
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SALE
S&S Diesel
S&S Diesel 45% Over SAC Reman Injector Set - LLY Duramax
$3,536.00$3,394.95
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SALE
Dorman Products
Dorman Products Diesel Fuel Cooler - LLY Duramax
$283.15$271.99
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SALE
Garrett
Garrett Turbo Vane Position Sensor - LLY Duramax
$308.72$296.99
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WC Fab
WC Fab Stage 2 4-inch Intake Kit - Cat Yellow - LLY Duramax
$800.25$768.99
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SALE
Exergy
Exergy 550 Alpha Stroker CP3 Pump - LBZ Based - LLY Duramax
$3,700.00$3,552.99
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SALE
S&S Diesel
S&S Diesel 100% Over SAC Injector Nozzle Set - LLY Duramax
$1,293.60$1,241.99
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SALE
KC Turbos
KC Turbos Balanced Assembly DIY Turbo Kit - Extreme - LLY Duramax
$480.00$460.99
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HSP Diesel
HSP Diesel Max Flow VGT Intake Mouthpiece - Illusion Blueberry - LLY Duramax
$337.25$323.95
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SALE
S&S Diesel
S&S Diesel 45% Over SAC Injector Set - LLY Duramax
$4,087.20$3,923.99
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SALE
HSP Diesel
HSP Diesel Max Flow VGT Intake Mouthpiece - Raw - LLY Duramax
$304.00$291.95
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SALE
HSP Diesel
HSP Diesel Max Flow VGT Intake Mouthpiece - Black - LLY Duramax
$337.25$323.95
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SALE
PPE
PPE Silicone Hose & Clamp Kit - TopKick/Kodiak - LLY Duramax
$197.99$190.99
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SALE
S&S Diesel
S&S Diesel 10mm Stroker CP3 High-Pressure Fuel Pump - LB7 Duramax
$2,000.00$1,920.99
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SALE
Merchant Automotive
Merchant Automotive NP263XHD Transfer Case - LB7 Duramax
$2,249.95$2,159.99
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SALE
Merchant Automotive
Merchant Automotive Transfer Case Seal Driver Kit - LB7 Duramax
$175.35$168.99
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SALE
Merchant Automotive
Merchant Automotive ECM/TCM Terminal Ends - Allison 5-Speed - LB7 Duramax
$5.33$5.12
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SALE
Edge Products
Edge Products Juice with Attitude CTS3 - LB7 Duramax
$1,449.95$1,391.99
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SALE
PPE
PPE High-Flow Exhaust Manifold & Up-Pipe Kit - Raw - LB7 Duramax
$899.99$864.99
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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.