2017-2019 GM 2500HD/3500HD 6.6L L5P Duramax Radiators & Cooling Upgrades

When pushed to their limit, the 2017-2019 6.6L Duramax L5P's can run a bit hot which causes further issues and unnecessary hassles down the road. These premium 2017-2019 GM Sierra/Silverado 2500/3500 cooling options were specifically engineered to keep engine temps under control and operating at peak performance even during the harshest applications. Choose from our selection of performance radiators or pick up a deep engine oil pan to help dissipate heat faster over stock, allowing your truck to outperform and outlast the competition. GM Duramax Fitments: 2017, 2018, 2019 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2017-2019 6.6L L5P
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Fleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L DuramaxFleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece Performance ProductsFleece FPE-DMAX-CBOP Billet Coolant Block Off Plate | 2001-2017 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SKU: FLCFPE-DMAX-CBOP
(1)
$55.00

PPE 119100100 Fan Clutch Delete Nut | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L DuramaxPPE 119100100 Fan Clutch Delete Nut | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPEPPE 119100100 Fan Clutch Delete Nut | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SKU: PPE119100100
$44.99

Fleece FPE-HAR-MU-PT-7 MAP Sensor and Airbox Control Valve Pigtail | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P & 2013-2018 Dodge 6.7L CumminsFleece FPE-HAR-MU-PT-7 MAP Sensor and Airbox Control Valve Pigtail | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P & 2013-2018 Dodge 6.7L Cummins
Fleece Performance ProductsFleece FPE-HAR-MU-PT-7 MAP Sensor and Airbox Control Valve Pigtail | 2017-2024 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P & 2013-2018 Dodge 6.7L Cummins
SKU: FLCFPE-HAR-MU-PT-7
$28.99

Wehrli 100699 Billet Heater Core Fitting with Hose | Universal
Wehrli Custom FabWehrli 100699 Billet Heater Core Fitting with Hose | Universal
SKU: WCF100699
$73.72

Wehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L DuramaxWehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli Custom FabWehrli 100155 Billet Coolant Heater Core Firewall Fitting | 1999-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SKU: WCF100155
$39.77

PPE 119030100 Raw 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L DuramaxPPE 119030100 Raw 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPEPPE 119030100 Raw 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SKU: PPE119030100
$197.99

PPE 119030130 Polished 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L DuramaxPPE 119030130 Polished 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPEPPE 119030130 Polished 304 Stainless Steel Coolant Tube (pump to oil cooler) | 2001-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
SKU: PPE119030130
$197.99

PPE 518001000 Weld-On Billet Radiator Neck | Universal
PPEPPE 518001000 Weld-On Billet Radiator Neck | Universal
SKU: PPE518001000
$22.49

Wehrli 100742 Upper Coolant Pipe Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5PWehrli 100742 Upper Coolant Pipe Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli Custom FabWehrli 100742 Upper Coolant Pipe Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
SKU: WCF100742-GB
From: $151.32
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PPE 119020092 2 inch OEM Coolant Hose Drain 1/4 inch Bung | Universal
PPEPPE 119020092 2 inch OEM Coolant Hose Drain 1/4 inch Bung | Universal
SKU: PPE119020092
$26.99

Wehrli 100433 OEM Placement Coolant Tank Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5PWehrli 100433 OEM Placement Coolant Tank Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
Wehrli Custom FabWehrli 100433 OEM Placement Coolant Tank Kit | 2017-2019 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax L5P
SKU: WCF100433-GB
From: $479.18
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Mishimoto MMOC-F HD Transmission Cooler with Fan | UniversalMishimoto MMOC-F HD Transmission Cooler with Fan | Universal
MishimotoMishimoto MMOC-F HD Transmission Cooler with Fan | Universal
SKU: MIMMMOC-F
$177.95

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2017-2019 6.6L Silverado & Sierra 2500HD/3500HD

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