Product Description
The code DDPCP3‑303 refers to a Dynomite Diesel remanufactured (reman) stock CP3 injection pump designed exclusively for the 2001–2004 6.6 L Duramax LB7 engine series.
- Engine Compatibility: Specifically engineered for the 2001–2004 LB7 Duramax 6.6 L LLY/LBZ models
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Remanufactured Stock Unit: Built to OEM specs with all core functionality intact—no performance increases or modifications .
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One-Year Unlimited-Mileage Warranty: Includes a 1-year warranty covering unlimited mileage
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Core Charge Applies: Typically around $200 USD, refundable upon return of your old pump as core
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California Restriction: Cannot be sold or shipped to California due to Prop 65 regulations
Suitable If You Want
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A direct OEM-level replacement for a worn or failed CP3 pump in LB7 Duramax engines.
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To maintain factory performance levels (stock fuel delivery and drivability).
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A replacement with a warranty and proven reliability, backed by Dynomite Diesel’s build standards.
Not Suitable If You Want
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Performance enhancement (this is stock performance only; for higher output, look into stroker CP3 upgrades like the CP3‑332 or other performance-level units).
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Use in California builds (shipping restricted due to Prop 65).
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A brand-new unit—this is remanufactured, not brand-new. (Dynomite does offer brand-new options like the DDPNCP3‑303, which carries a longer warranty but at a higher price point)
