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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
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Description
Fleece Performance 11-2016 GM 6.6L Duramax CP3 Regulator Extension HarnessEnhance the performance of your 2011 to 2016 GM 6. 6L Duramax engine with the Fleece Performance CP3 Regulator Extension Harness. Designed specifically to ensure reliable and efficient operation of your fuel system, this extension harness allows for seamless integration and improved wiring flexibility. Crafted by Fleece Performance, a trusted name in the tuning supply industry, this harness guarantees top notch quality and durability. Whether you are
Enhance the performance of your 2011 to 2016 GM 6.6L Duramax engine with the Fleece Performance CP3 Regulator Extension Harness. Designed specifically to ensure reliable and efficient operation of your fuel system, this extension harness allows for seamless integration and improved wiring flexibility.Crafted by Fleece Performance, a trusted name in the tuning supply industry, this harness guarantees top-notch quality and durability. Whether you are upgrading your truck or replacing an existing component, this extension harness offers a perfect fit and easy installation process for enthusiasts and professionals alike.
Its design supports maintaining optimal pressure control in your CP3 fuel pump regulator, helping you achieve better engine performance and longevity. Compatible with various GM 6.6L Duramax engines from 2011 through 2016, it is an essential component for tuning and performance enhancements.
Trust in Tuningsupply’s commitment to delivering high-quality parts quickly and without surprise costs. Order the Fleece Performance CP3 Regulator Extension Harness today and experience improved fuel system reliability and tuning potential for your Duramax engine.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Great product
Love that theyre adjustable.
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Reviewed in the United States on April 19, 2026
★★★★★ 3
Poor Quality
I wouldn't gift these... they seem to start having grinding issues after a few days of use. It feels like the grinding piece is binding / going to break when turning the top. Would not purchase again, and look for more durable item.
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Reviewed in the United States on March 20, 2023
★★★★★ 4
Lacking spices
They look just like pictures but it said they were pre- filled in the description and they arrived empty!
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Good grinders
These are great for the price
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Salt /pepper shakers
Heavy duty and well-made and works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2026
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