DDP DDPL5P-STK 2017-PRESENT DURAMAX L5P BRAND NEW STOCK INJECTOR SINGLE

The DDP Injector Set for 2017–2023 L5P Duramax is built to deliver superior fuel delivery, precise atomization, and long-term reliability for your GM HD diesel. Whether you’re replacing worn factory injectors or upgrading for more horsepower, DDP injectors are flow-tested, matched, and built from brand-new OEM bodies – no reman cores, no compromises.

Available in stock flow or performance upgrades (30%, 50%, or 100% over), these injectors support everything from OEM replacements to 800+ horsepower builds, depending on your selection.

Fitment

Compatible with all L5P-equipped GM trucks:

• 2017–2019 Chevrolet Silverado 2500HD / 3500HD

• 2017–2019 GMC Sierra 2500HD / 3500HD

• 2020–2023 Silverado HD & Sierra HD

• 6.6L V8 Turbo Diesel (RPO: L5P)

Direct replacement with required tuning for performance models.

Injector Flow Options

Key Features

• Brand-New Construction – Not remanufactured, no core charge

• Flow-Matched Sets – Balanced for even cylinder fueling

• Built in the USA – Quality-verified by DDP technicians

• High-Performance Ready – Custom tuning required for +% flow sets

• Clean Install Fitment – Designed as a direct OE-style drop-in

Recommended Pairings

• Custom ECM tuning (required for +30% and above)

• Upgraded CP3 conversion or modified CP4

• Lift pump & filtration system

• Turbocharger upgrade for 50%+ sets

Built for Power, Proven by Performance

Whether you’re replacing failed OEM injectors or building a high-horsepower L5P, the Dynamite Diesel Performance Injector Set delivers unmatched precision and power potential.
Order today and power your Duramax with confidence.