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 Raw Charge Pipe Kit - 2020-2025 GM Duramax L5P
$539.99$518.99
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SALE
PPE
PPE Black Charge Pipe Kit - 2017-2019 GM Duramax L5P
$539.99$518.99
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SALE
PPE
PPE Black Charge Pipe Kit - 2020-2025 GM Duramax L5P
$539.99$518.99
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SALE
PPE
PPE Transmission Thermal Bypass Valve - 2017-2019 GM Duramax L5P
$89.99$86.95
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SALE
MAHLE
MAHLE Cylinder Head Gasket - GM Duramax L5P
$105.95$101.95
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SALE
FASS
FASS No-Drop Fuel System - GM Duramax L5P
$919.00$882.95
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SALE
PPE
PPE Engine Oil Filter - 2020-2025 GM Duramax L5P
$24.29$23.95
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SALE
MAHLE
MAHLE Head Gasket Set - GM Duramax L5P
$318.95$306.95
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SALE
Calibrated Power
Calibrated Power L5P ECM Tuning Package
$775.00$744.95
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SALE
WCFab
WCFab S400 Turbo Oil Line Kit - GM Duramax L5P
$309.43$297.95
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SALE
Dayco
Dayco Molded Coolant Hose - 2011-2016 GM Duramax LML
$48.43$46.99
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SALE
Merchant Automotive
Merchant Automotive Head Gasket Service Components - 2011-2016 GM Duramax LML
$349.95$335.99
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SALE
Merchant Automotive
Merchant Automotive Head Gasket Service Kit - 2011-2016 GM Duramax LML
$441.63$424.95
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SALE
Edge Products
Edge Performance Tuner / Monitor - GM Duramax L5P
$849.95$815.99
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SALE
WCFab
WCFab L5P Turbo / Charge-Air Installation Hardware
$59.17$56.99
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SALE
Merchant Automotive
Merchant Automotive Head Gasket Kit with Studs - 2011-2016 GM Duramax LML
$1,275.63$1,224.99
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SALE
Merchant Automotive
Merchant Automotive Turbo Installation Kit - GM Duramax L5P
$299.43$287.99
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SALE
Merchant Automotive
Merchant Automotive Grade C Head Gasket Service Components - GM Duramax LML
$499.63$479.95
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SALE
Merchant Automotive
Merchant Automotive Grade C Head Gasket Service Kit - 2011-2016 GM Duramax LML
$645.63$619.99
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SALE
Alliant Power
Alliant Power Engine Sensor - 2011-2016 GM Duramax LML
$42.49$40.95
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SALE
Merchant Automotive
Merchant Automotive Turbo Installation Gasket Kit - 2011-2016 GM Duramax LML
$123.65$118.99
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SALE
PPE
PPE Turbocharger Gasket - 2011-2016 GM Duramax LML
$8.09$7.95
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SALE
Exergy
Exergy Performance Fuel System Upgrade - 2011-2016 GM Duramax LML
$5,296.00$5,084.99
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SALE
WCFab
WCFab High-Flow Charge-Air Kit - 2011-2016 GM Duramax LML
$920.53$883.99
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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.