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- USA
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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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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
4.1 ★★★★★
Based on 2026 reviews
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Product Reviews
★★★★★ 5
Heavenly Sleep Upgrade – DIORIS Pillows Are a Dream Come True!
I’ve finally found the perfect pillows! The DIORIS Queen Pillows Set of 2 has completely transformed my sleep experience. From the moment I laid my head down, I felt like I was at a luxury hotel — but right in my own bedroom!
These pillows strike the ideal balance between softness and support. The premium down alternative filling cradles the head and neck gently, yet offers just the right amount of firmness. Whether I sleep on my side, back, or stomach, these pillows adapt perfectly and keep me comfortable all night long.
The slow-rebound, breathable fiberfill is a game changer. It stays cool, supports proper posture, and even helps reduce neck pain — something I’ve struggled with for years. I wake up feeling refreshed and ache-free, which is priceless.
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Reviewed in the United States on August 13, 2025
★★★★★ 5
Hotel Grand Set of 2 pillows
Size: King
Excellent quality and comfort. The pillows are soft but with the perfect support, ideal for any sleeping position. They feel fresh thanks to the cotton cover and keep their shape very well. Without a doubt, a great purchase for a hotel-like break at home.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Highly recommend
Size: King
These pillows are super comfortable and feel just like hotel quality. They’re soft but still give great support for my neck and head. I’ve been sleeping much better since I got them.
They stay fluffy and don’t go flat, and the material feels nice and cool. Definitely a great purchase
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Perfect Comfort Every Night 💤
Size: King
Super comfy pillows! Perfect mix of soft and supportive, and they don’t go flat. Sleep feels way better—definitely recommend 😊
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Time will tell
Size: King
I won’t actually use these for a few days when my mattress arrives. Unboxed this morning and they are not as plump and full as I expected but they’re laying out to expand. Overall first impression is they felt comfortable and I could adjust them with my hands. They seem well made and durable. Cant say anything yet about firmness or shape retention since I’ve not used them. They feel like they will be soft. So time will tell but so far I’m loving what I see.
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Reviewed in the United States on April 28, 2026