This is a Remanufactured 6.6L Duramax LLY Fuel Injection Pump. It is remanufactured and tested to the strictest OE standards for optimal performance. 100% visually inspected and quality tested, and is backed by our 100% satisfaction guarantee.

• All Pump components are re-certified to OE specifications.
• Every pump is tested on state-of-the-art test equipment to meet OE specifications
• 100% replacement of all seals.
• Transfer Pump: Tested for vacuum (suction) and output pressure.
• Multiple point delivery testing of Pump Assembly at various Speeds and Pressures.
• Remanufactured Flow Control Valve: Complete disassembly, cleaning, inspection, and multiple point flow testing.
• Plunger check valves tested for back-leakage.

*CORE MUST BE IN "OFF ENGINE CONDITION" FOR FULL CREDIT*

The purchase of this part includes a separate charge for a core deposit. We provide a FREE pre-paid return shipping label to send your old part (core/cores) back to us. While we would appreciate getting the return back as soon as possible, you have 12 months to return the core for a refund. You will no longer be eligible to return the core, or receive a refund, after 1 year from your original purchase. Please see our core return policy or contact us with any questions.

TIPS FOR SUCCESSFUL INJECTION PUMP INSTALLATION:

• Follow manufacturer installation procedure and torque specifications.
• Replace fuel filter.
• Flush and inspect fuel supply system.
• Flush and inspect high pressure fuel lines.
• Lubricate O-rings with clean engine oil.

• 1 Year
• Unlimited Mileage