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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25
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Description
2011-2016 LML CP3 Conversion Kit with PowerFlo 750Why convert your LML's Fuel System from a CP4 to a CP3? The stock CP4 is only capable of supporting up to ~500 RWHP. A CP3K is capable of supporting 600+ RWHP in conjunction with the piezoelectric injectors. The reliable and proven PowerFlo 750 is capable of supporting nearly 850+ RWHP. The CP4 was introduced as a cost reduction to the LML platform since a smaller amount of fuel is required when running the more efficient piezoelectric injectors.
Why convert your LML's Fuel System from a CP4 to a CP3?
- The stock CP4 is only capable of supporting up to ~500 RWHP. A CP3K is capable of supporting 600+ RWHP in conjunction with the piezoelectric injectors. The reliable and proven PowerFlo 750 is capable of supporting nearly 850+ RWHP.
- The CP4 was introduced as a cost reduction to the LML platform since a smaller amount of fuel is required when running the more efficient piezoelectric injectors. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms.
The Fleece CP3 Kit contains:
- High Pressure Fuel Rail Line
- Fuel Rail Plug and Nut
- CP3 Block Adapter with O-ring
- (3) CP3 Block Adapter Bolts (Flange Head, M8x1.25x35mm)
- CP3 Pump Fittings – 3/8”
- CP3 Pump Fittings – 1/2"
- (2) Sealing Washers
- Low Pressure Fuel Feed Line –
- 3/8”x8” Flexible Fuel Line with Hose Clamps (CP3 Return)
- 1/2”x30” Flexible Fuel Line with Hose Clamps (Filter to CP3)
- 3/4” P-Clamp
- Fuel Return Line Block Off with O-ring
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
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Professional and streamlined leather backpack
I’ve had a dozen or so backpacks to use for work (corporate environment), and I really love this one. The leather is of high quality, plenty of pockets, strong zippers, straps, and grab handle, and provides a polished, professional, well-put together look. In the rear, zippered compartment, I have a 15-inch HP laptop, an iPad, and a 1/2 inch notebook. The main compartment is spacious and holds chargers for each device plus a lot of other miscellaneous items. There are two front, zippered compartments (one is intentionally “hidden” behind the other) that offer a secure and accessible way to access smaller items like pens, air pods, keys, etc. Great purchase, and I would definitely buy it again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 9, 2025
★★★★★ 5
Love it!!!
Color: Mocha Brown
I bought it because it's the perfect size for carry-on luggage on the plane, and it's big enough to carry several things. Excellent quality for the price. It looks super cute and goes with everything.
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Reviewed in the United States on December 12, 2025
★★★★★ 4
9/10
Color: Mocha Brown
Better than expected
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Reviewed in the United States on July 24, 2025
★★★★★ 5
Lots of storage but compact look
Color: Mocha Brown
I was looking for something for my corporate 9-5 and was over a tote bag. This is perfect! It fits so much without it feeling or looking bulky. Love the amount of storage it has and I think it would even be a good travel bag
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Reviewed in the United States on March 13, 2026
★★★★★ 1
Defective
Super cute bag, unfortunately it was less than functional.
The main zipper cannot zip up completely, as it has been sewn incorrectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025
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