Shop Blessed Performance for the all new DK Engine Parts L5P Cylinder Head with Loaded Valve Train. This single cylinder head is a brand new ready to install fully loaded head for your 2017-2025 Chevy/GM 6.6L Duramax L5P and 2019-2025 L5D Engine. No core charge, no waiting on a rebuild and no surprises.
The DK-GML5P-CHL arrives fully assembled with a complete new valve train, so you can get your truck back on the road faster. It includes new black nitride-coated valves, valve springs, valve seats, valve seals, retainers, and keepers — everything you need for a confident bolt-on installation.
Key Features & Benefits
- Single Cylinder Head — Sold individually (not a pair). Perfect when you only need to replace one side.
- Fully Loaded & Ready to Install — Saves hours of labor. No need to disassemble, inspect, or reassemble valve train components from your old head.
- New OEM-Style Castings — Precision manufactured from new castings (not refurbished). Each head is checked for flatness, pressure tested, and leak tested for quality you can trust.
- Precision CNC Valve Job — Ensures excellent valve-to-seat sealing and long-term reliability under heavy towing and high-load conditions.
- Black Nitride-Coated Valves — Added durability for demanding diesel applications.
- No Core Charge — Brand new part means you keep your old head (or sell it/scrap it). No return hassles or extra fees.
- Direct Fit — Maintains factory fitment and performance.
Fitment
- GM Duramax 6.6L L5P — 2017–2025 (VIN Code Y)
- GM Duramax 6.6L L5D — 2019–2025 (VIN Code K)
Interchange / Cross Reference: GM 12702633, GM 12716846
Warranty: 1 Year Limited
Whether you're repairing a failed head, doing a preventative refresh, or completing an engine rebuild, the DK Engines DK-GML5P-CHL loaded cylinder head gives you a high-quality, time-saving solution without compromising on durability or performance.
Note: Always use a new head gasket (Grade C recommended) and properly torque to spec.