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
WC Fab
WC Fab 4" Intake Kit with Air Box - Bengal Blue - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Brizzle Blue - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Gloss Black - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Gloss White - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Bengal Grey - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Gun Metal - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Semi-Gloss Black - LB7 Duramax
$528.65$507.95
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SALE
WC Fab
WC Fab 4" Intake Kit with Air Box - Fine Texture Black - LB7 Duramax
$528.65$507.95
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SALE
PPE
PPE Deep Engine Oil Pan - Raw - L5P Duramax
$359.99$345.95
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SALE
Exergy
Exergy Denso HP4 High-Pressure Fuel Pump - L5P Duramax
$1,080.00$1,036.99
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SALE
PPE
PPE Heavy-Duty Rear Differential Cover - Raw - L5P Duramax
$296.99$285.99
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SALE
Mishimoto
Mishimoto Silicone Radiator Hose Kit - Black - L5P Duramax
$329.95$316.95
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SALE
PPE
PPE High-Flow Exhaust Manifold & Up-Pipe Kit - Raw - L5P Duramax
$1,349.99$1,296.95
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SALE
PPE
PPE Deep Engine Oil Pan - Black - L5P Duramax
$377.99$362.95
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SALE
PPE
PPE OEM-Length High-Flow Up-Pipe Set - L5P Duramax
$269.99$259.99
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SALE
HSP Diesel
HSP Diesel Cold Air Intake - Polar White - L5P Duramax
$571.32$548.99
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SALE
Edge Products
Edge Products Pulsar V3 + Insight CTS3 Kit - L5P Duramax
$1,549.95$1,487.99
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SALE
PPE
PPE Magnetic Engine Oil Drain Plug - L5P Duramax
$17.99$17.27
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SALE
PPE
PPE Turbo Resonator Delete Plug - Black - L5P Duramax
$22.49$21.59
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SALE
Merchant Automotive
Merchant Automotive Fan Clutch Wrench - L5P Duramax
$59.35$56.99
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SALE
Calibrated Power
Calibrated Power Stealth STR Turbocharger - 2017-2023 - L5P Duramax
$2,149.00$2,063.95
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SALE
PPE
PPE Allison EPC Blocker - L5P Duramax
$49.49$47.99
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SALE
Edge Products
Edge Products Pulsar V3 Performance Module - L5P Duramax
$1,199.95$1,152.95
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SALE
Calibrated Power
Calibrated Power Stealth STR Turbocharger - 2024-2025 - L5P Duramax
$2,149.00$2,063.95
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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.