This is a Premium Remanufactured 6.6L LB7 Duramax common rail fuel injector. The 8th digit of the VIN will identify which engine model you have. LB7 engines have "1" as the 8th digit of the VIN.

• Each injector is built with Brand New Internal components, includes New Nozzle.
• Comes with New Combustion Seal and O-rings for installation.
• Every injector is individually tested on a state of the art test bench to ensure they meet OE specifications.
• Every injector test consists of: solenoid performance, response time, back leak flow test, full load test, mid load test, idle test, pre-injection test, and emission test points.

*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 INJECTOR INSTALLATION:

• Follow manufacturer installation procedure and torque specifications.
• Thoroughly clean and inspect injector bores (in cylinder head).
• Verify copper combustion seals are installed on new injectors and the old combustion seals were removed with previous injectors.
• Replace fuel filter.
• Replace any fuel lines to avoid contaminating the remanufactured injectors.

• 1 Year
• Unlimited Mileage