
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 9 - Jul 14
For Your Every Summer RSVP, with Code: SUMMER15
Description
PureFlow R4SBC134 Raptor 4G 100 GPH Fuel Pump 11-14 6.6L GM Duramax LMLFeaturing Pureflow's 4G technology, this Raptor 4G can reliably deliver your Duramax engine up to 100 gallons per hour of fuel in a compact and quiet design, all backed by a lifetime guarantee. From the factory, your Duramax is not equipped with a low pressure lift pump. Rather, it puts all of the load on the CP4 injection pump to inevitably "suck" the fuel from the tank. To make matters worse, it has been proven that the move in 2011 to a CP4 from
Featuring Pureflow's 4G technology, this Raptor 4G can reliably deliver your Duramax engine up to 100 gallons per hour of fuel in a compact and quiet design, all backed by a lifetime guarantee.From the factory, your Duramax is not equipped with a low pressure lift pump. Rather, it puts all of the load on the CP4 injection pump to inevitably "suck" the fuel from the tank. To make matters worse, it has been proven that the move in 2011 to a CP4 from the original, higher output CP3 from previous model year Duramax's has led to numerous failures. By adding a higher performing lift pump, such as this model Raptor 4G, you will ensure that your engine and injection pump are properly fed enough fuel while supporting stock to 500 rear wheel horsepower applications.
Unsure of whether you need the Raptor 100 or the Raptor 150?
Put it this way...if your truck is stock, or moderately stock (70hp chip) you want the 100. If you've added a chip or two, larger injectors, or even a modified CP3, you will want the 150.
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
4.8 ★★★★★
Based on 2397 reviews
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Product Reviews
★★★★★ 5
I feel I’m walking on clouds
Size: 10, Color: Brown
I’m on my feet 6–8 hours a day working at the dealership, constantly walking the lot and helping customers—and I’ve gone through a lot of shoes trying to find something that actually holds up.
These Bruno Marc MaxFlex Dress Sneakers honestly surprised me. They look sharp and professional enough for work, but feel more like a comfortable athletic shoe than a stiff dress shoe. From day one, there was no break-in period, no soreness, just all-day comfort. I feel I’m walking on clouds!
If you’re in a job where you’re standing or moving around a lot but still need to look polished, these are hands down the most comfortable work shoes I’ve owned.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Dress shoes
Size: 9, Color: Light Brown/Coffee
Very comfortable and well made shoes.
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Reviewed in the United States on May 24, 2026
★★★★★ 3
Runs big
Size: 10, Color: Black
Too big , looks okay. Try 1 size down
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Great shoes
Size: 10 Wide, Color: Brown, Size: 10 Wide, Color: Brown
This shoe is incredibly comfortable and durable.
I work in custodial work as management. However, sometimes I have to help my team when we are low manned. Just recently I had to help my team auto scrub a restroom. My shoes felt lightweight and were completely easy to clean. I was worried I would be slipping on sudsy water. To my surprise, these shoes gripped on to the floor nicely.
I love the versatility of having a working shoe with the great style Bruno Marc provides. The shoe is breathable and true to size. I ordered the black pair as well and have had them for about 3 months. Highly recommend these amazing shoes.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great quality.
Size: 8.5, Color: Brown
Bought these shoes at the last minute for my husband to wear to an event. They arrived overnight and did not disappoint. They are true to size, high quality, lightweight, and they look great on. Can be worn with jeans to a casual event or with slacks to a more formal event . He loves them and said they are extremely comfortable.
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Reviewed in the United States on May 25, 2026
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