2020-2023 L5P Engine

Pacific Performance Engineering

2017-2024 GM 6.6L DURAMAX HIGH-FLOW EXHAUST MANIFOLD AND UP-PIPE KIT

Pacific Performance Engineering

2001-2024 GM 6.6L DURAMAX COOLANT BLOCK-OFF PLATE - BILLET ALUMINUM - BLACK

Pacific Performance Engineering

2020-2025 GM 6.6L DURAMAX HEAVY-DUTY DEEP-CAPACITY CAST ALUMINUM ENGINE OIL PAN

XDP MFG

XDP Starter Bolt Kit (Black-Phosphate) For 2001-2022 GM 6.6L

XDP MFG

XDP HD Billet Engine Oil Fill Cap For 2001-2021 GM 6.6L

XDP MFG

XDP HD Billet Coolant Block-Off Plate For 2001-2017 GM 6.6L

XDP MFG

XDP Street Performance Pushrods (3/8") For 2017-2023 GM 6.6L

XDP MFG

XDP HD Rocker Arm Shafts For 2001-2023 GM 6.6L

XDP MFG

XDP HD Billet Rocker Arm Valve Bridge Set For 2001-2023 GM 6.6L

XDP MFG

XDP X220 Series Head Stud Kit 2017-2023 GM 6.6L Duramax L5P

H&S Motorsports

2017+ GM 6.6L L5P Billet Fuel Filter Housing

Fleece Performance Engineering

6.6L Duramax Billet Coolant Block Off Plate (2001-2023)