SEMA Certified & Engineered to OEM Standards
2017-2023 GM Duramax 6.6L L5P
PART # 608990
Stanadyne’s next-generation DCR high-pressure fuel pump delivers OEM-grade performance with zero calibration or tuning required.
Engineered for the demanding Duramax L5P platform, this direct-fit upgrade enhances long-term durability, improves fuel system reliability, and maintains emissions compliance for modern diesel applications.
Info & Specs
FEATURE | SPECIFICATION |
|---|---|
| Engine Compatibility | GM Duramax 6.6L L5P (2017-2023) |
| Fuel Pressure Capability | 29,000+ PSI (2,000+ bar) |
| Technology | Stanadyne Diesel Common Rail (DCR) |
| Fuel Types | ULSD, biodiesel blends, low-lubricity fuels |
| Installation | Direct bolt-in, no calibration required |
| Certification | SEMA emissions compliant |
| Replaces | GM 12731367, 12678993, 12701094 & Denso 294050-0701 |
Caratteristiche
Costruzione
- High-efficiency pumping elements
- Corrosion-resistant materials
- Precision metering components
- Designed to minimize internal wear
Validation Testing
- Endurance and long-cycle durability
- Extreme temperature cycling
- Corrosive media exposure
- High-pressure fatigue testing
- Low-lubricity performance testing
Applications
- Towing / hauling
- Fleet service
- Off-road / harsh environments
- Daily-use L5P reliability upgrades
- Performance shop builds
Reliability / Durability
- Improved performance with low-lubricity fuels
- Stable high-pressure output for heavy duty use