US Diesel Parts - 2017 - 2023 6.6L Duramax L5P

Chevy / GMC - 2017 - 2023 6.6L Duramax L5P

The L5P Duramax is the latest version of the Duramax V8 diesel engine.(engine code Y) Introduced in the 2017 model year it is the most powerful diesel engine GM has produced with 445 hp @ 2,800 rpm and 910 lb-ft @ 1,600 rpm. Design spec performance can exceed 550 bhp @ 3050 rpm and 1050 lb-ft at 1975 rpm.

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Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Electronic Performance - 2017-2023 GM Duramax L5P
Electronic Performance - 2017-2023 GM Duramax L5P
Electronic Performance Chips, Programmers, Tuners, and Gauge Display Monitors for 2017+ GM L5P Duramax Diesel - Get the most out of your electronically controlled diesel engine for work or play.
Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Exhaust Systems - 2017-2023 GM Duramax L5P
Exhaust Systems - 2017-2023 GM Duramax L5P
Performance exhaust systems are a key component in maximizing your Duramax's fuel efficiency and horsepower. The L5P comes equipped with the a DPF (Diesel Particulate Filter) which is designed...More Details »
Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Fuel System Components - 2017-2023 GM Duramax L5P
Fuel System Components - 2017-2023 GM Duramax L5P
The GM L5P Duramax found in the 2017-newer GM HD pickup trucks is rated at 445hp and 910 lb-ft of torque is powered by the Denso HP4 fuel injection pump rated to run up to 29,000 psi. The Denso HP4...More Details »
Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Head Studs, Head Gaskets, Main Bolts, Etc - GM Duramax L5P
Head Studs, Head Gaskets, Main Bolts, Etc - GM Duramax L5P
Head Studs, Head Gaskets, Main Bolts, Main Studs, Driveline Bolts for Chevy GMC Duramax Diesel Engines.
Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Steering, Suspension and Lift - 2017-2023 GM Duramax L5P
Steering, Suspension and Lift - 2017-2023 GM Duramax L5P
Steering, Lift and suspension parts to keep your truck performing smoothly and precisely, ensuring your ride comfort and handling performance, rain, snow or shine.
Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Fuel & Oil Filters - 2017-2023 GM Duramax L5P
Fuel & Oil Filters - 2017-2023 GM Duramax L5P
Chevy / GMC - 2017 - 2023 6.6L Duramax L5P - Cold Air Intakes & Air Filters - 2017-2023 GM Duramax L5P
Cold Air Intakes & Air Filters - 2017-2023 GM Duramax L5P
The air cleaner assembly is where your engine begins making power. Without good airflow in the equation, your engine simply can’t breathe, resulting in poor performance and fuel economy. While...More Details »