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Description
2011-2016 LML CP3 Conversion Kit with CP3KConvert your LML's Fuel System from a CP4 to a CP3 The stock CP4 is only capable of supporting up to ~500rwhp and 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. A CP3K is capable of supporting 600+ rwhp in conjunction
Convert your LML's Fuel System from a CP4 to a CP3
The stock CP4 is only capable of supporting up to ~500rwhp and 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.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.
Kit Contents:
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
LML CP3 Conversion Fuel Pressure Regulator Table
NO CORE CHARGE ON CP3 PUMP!
WARNING
- This product is not legal in the state of California.
- When used incorrectly this product may violate local, state, and federal laws pertaining to emissions, traffic, registration, and safety.
- Use of this product may damage or destroy mechanical and/or electrical components of this vehicle.
- Use of this product may void or nullify the vehicles factory warranty.
- User understands that motorsports are dangerous, and that installation of this product may subsequently require special driving skills or techniques to safely operate the vehicle.
- User assumes sole responsibility for the safe, proper, and legal use of the vehicle at all times.
- The purchaser and end user releases, indemnifies, discharges, and holds harmless Fleece Performance Engineering, Inc. from any and all claims, damages, causes of action, injuries, or expenses resulting from or relating to the use or installation of this product that is in violation of the terms and conditions on this page, the product disclaimer, and/or the product installation instructions. Fleece Performance Engineering, Inc. will not be liable for any direct, indirect, consequential, exemplary, punitive, statutory, or incidental damages or fines cause by the use or installation of this product.
- This product may not work with the EGR cooler installed. It may need to be removed.
- This product MUST be used in conjunction with custom tuning calibrations. Failure to install the correct calibrations can result in engine damage.
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 30 reviews
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Product Reviews
★★★★★ 5
Canvas crossbody messenger for work, school and travel. Beautiful dark green
This is a great canvas tote messenger crossbody bag. The canvas material ensures that it’s durable and can hold all the things including iPads/laptops and other school/work related items, making this a great school or commuter bag. It’s the perfect size for that type of bag as well as for traveling when you need extra room to carry necessities. I ordered this mainly because I have plenty of fashionable bags, but my husband likes more plain or “gender-free” bags to carry and this one is perfect for boys, men, girls and women and literally anyone needing a satchel to carry their belongings. The crossbody strap is thick and comfortable and creates a super easy wearing experience, where all your things are close and easy to access. I love the dark green color where even though it’s not black/brown it’s still a “neutral” and matches most everything.
Overall it’s a great bag at a great price point that could work for most people needing this style/size. If like me you want to jazz it up a bit, there’s plenty of room to hang bag charmies and chains and the canvas is even easy to hotfix rhinestones to. Would also make a good gift and especially if someone is traveling or moving as I love this size for travel to carry all the extras. I’m very happy with the quality, color, size and comfort.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Spacious, versatile canvas crossbody that hits the sweet spot between purse and messenger bag
I needed something larger than my usual purse but smaller than a messenger bag for days when I need to carry more without going too bulky. This fills that gap perfectly. It could even work as an overnight bag if you travel light.
The main compartment is spacious with two interior compartments layered inside it. One is open pocket style and one has a zipper. There are also two open pockets on the outside. The shoulder strap adjusts easily and should work for most people. The zipper pulls have rectangular holes I can clip keys to, and I added a small clip to the main zipper to secure it to the strap hardware.
The canvas texture means it isn't wipe-clean, but it should wash easily which matters to me. One unexpected and welcome detail: the desiccant pack inside was scented and made the whole bag smell great right from the start, rather than the usual chemical or dye smell new bags often have.
✅ Highlights
• Hits the sweet spot between purse and messenger bag in size
• Interior with multiple compartments
• Zipper pulls have holes for clipping keys or a security clip
• Adjustable strap works for most body types
• Scented desiccant pack means no unpleasant new-bag smell
❌ Cons
• Main zipper requires two hands to close when fully open
• Canvas texture means not wipe-clean
This is a well-thought-out but simple bag that works exactly as described. The minor zipper quirk aside, it does everything I needed it to do.
-Review of GEMIU "GEMIU Canvas Hobo Crossbody Bag for Women Casual Tote Shoulder Bag Large Messenger Bag for Travel"
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Reviewed in the United States on March 15, 2026
★★★★★ 5
A Nice Size Versatile Tote/Bag/Purse
This GEMIU Canvas Hobo Crossbody Bag for Women Casual Tote Shoulder Bag Large Messenger Bag for Travel is a nice versatile tote that can be used as a purse, a work bag, or a travel bag. It is light-weight, made of a medium thick canvas, and can fit a laptop or iPad as well as other items, although it doesn't have the protective cushion for electronics. There are two deep pockets on one outer side, and the other outer side doesn't have pockets, but you can see the stitching from the inner pockets. Inside the bag, there are two pockets on one side; one is zipped and it sits on top of the second open pocket. The main compartment zipper goes beyond the bag so it allows the mouth of the bag to be opened all the way. But with this type of zipper, there is a small opening that remains at the end. The straps are easily adjustable to allow wear as a purse or crossbody. I typically like having smaller purses so I don't have to carry heavy things, but when I go on vacation or visit out of town, it's nice to have a bigger bag to carry things I don't normally carry in my purse (e.g., power bank, umbrella, water bottle, etc.). I can fit my smaller purse into this tote and carry some additional items in it - it's the best of both worlds. The bag does have a slight smell when I first took it out of the plastic package, but it dissipated over time.
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Reviewed in the United States on March 14, 2026
★★★★★ 1
Smells terrible
Color: Army Green
I bought this in green. Love the bag and the color. But the smell!! It is horrible.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Good hobo bag
Color: Grey
I love a good hobo bag for its laid-back style and functionality. It’s spacious without feeling bulky, and the slouchy design gives it that effortless, everyday vibe. There was no odor,material is a good thickness, not sure on durability since I just started to use it. The bag was bigger than I expected.
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Reviewed in the United States on April 22, 2026
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