Grizzly Remanufactured CP4 Fuel Pump - 2011-2016 GM And Chevy 6.6L Duramax - Lgh / LML
Regular price
$886.96
I acknowledge a $275 Core Charge will be added to my order. Core Refunds are issued after the eligible core is returned and approved. This $275.00 fee will be added to your cart.
This part ships directly from the supplier — longer lead times may apply.
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Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
Get your Duramax diesel back to work with this remanufactured CP4 high-pressure fuel injection pump (part #CR-0-986-437-421) for 2011–2016 GM and Chevy 6.6L Duramax, LGH/LML. The CP4 generates the extreme rail pressure a common-rail diesel needs for accurate injection timing and efficient combustion. Remanufactured to restore dependable operation—match the year, engine, and application to your vehicle before you buy.
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