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Description
Industrial Injection 11-16 GM Duramax 6.6L LML CP4 to CP3 Conversion Kit w/Pump (No Tuning Required)Upgrade your 2011 to 2016 GM Duramax 6. 6L LML with the Industrial Injection CP4 to CP3 Conversion Kit. This kit includes a high performance CP3 injection pump and eliminates the need for any tuning, making installation straightforward and hassle free. Designed specifically for the GM Duramax 6. 6L LML engines, this conversion kit improves fuel delivery performance and reliability using trusted Industrial Injection technology. Whether you're upgrading
Upgrade your 2011 to 2016 GM Duramax 6.6L LML with the Industrial Injection CP4 to CP3 Conversion Kit. This kit includes a high-performance CP3 injection pump and eliminates the need for any tuning, making installation straightforward and hassle-free.Designed specifically for the GM Duramax 6.6L LML engines, this conversion kit improves fuel delivery performance and reliability using trusted Industrial Injection technology. Whether you're upgrading your diesel truck for enhanced power or fuel efficiency, this kit delivers dependable results with quality components.
Precision-engineered for easy installation, it fits directly in place of the original CP4 pump and comes fully assembled and ready to install. This means you can expect less downtime and faster upgrade times for your performance diesel project.
Experience improved system durability and gain the confidence that comes with using a product built by Industrial Injection, a leader in fuel delivery solutions. Shop now at Tuningsupply to enjoy competitive pricing, fast European shipping, and no hidden fees on your order.
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
4.5 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Perfect fit !
Size: Large, Color: Cerise,orange,yellow,light Blue
Most comfortable underwear I’ve had in awhile, soft, great length, can wear all day without adjusting all the time. I purchased a Large, I’m 6’3, 205 pounds, athletic build.
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Reviewed in the United States on April 20, 2026
★★★★★ 4
Nice briefs, worth the price
Size: Medium, Color: White
Briefs feel nice and I love the feel of cotton. Unfortunately they are missing a slot in the crotch that is usually present in these types of briefs.
Size is matching, soft to the touch.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Smooth
Size: Medium, Color: White
Fit is good. Material good
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Reviewed in the United States on May 6, 2026
★★★★★ 5
My absolute favorite boxers ever
Size: XX-Large, Color: White
I'm not a man, but I'm a nonbinary person with a big bottom and have tried many quality boxer brands over the years (including the unisex brands). These are my absolute favorite brand of boxers. They're super comfortable. It's taking me a while because I just keep forgetting to stock up but they are replacing all of my other boxers.
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Reviewed in the United States on March 8, 2026
★★★★★ 3
Too large
Size: Medium, Color: Burgundy,lake Blue,dazzling Blue,bijou Blue
Nice but medium size was just too large. Suggest ordering one size smaller.
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Reviewed in the United States on February 20, 2026