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Description
AFE 42-14021 DFS780 Fuel System (Full-Time Operation)The AFE 42 14021 DFS780 Fuel System with Full Time Operation for your 2011 2016 GM 6. 6L Duramax LML offers you a complete fuel system solution for your Duramax pickup. The fuel in your truck contains contaminants, water and air vapor which reduces power and can cause damage to your injectors. The AFE DFS780 Fuel System features a patent pending design capable of removing power robbing entrained air, water and contaminants. The DFS780 ensures constant
The AFE 42-14021 DFS780 Fuel System with Full-Time Operation for your 2011-2016 GM 6.6L Duramax LML offers you a complete fuel system solution for your Duramax pickup. The fuel in your truck contains contaminants, water and air/vapor which reduces power and can cause damage to your injectors. The AFE DFS780 Fuel System features a patent-pending design capable of removing power-robbing entrained air, water and contaminants. The DFS780 ensures constant availability for your CP3 injection pump, while improving throttle response and horsepower at all RPMs.
Clear High-Impact Polycarbonate Sight Glass:
Allows visual inspection of fuel.
Helical Bronze Spur Gears:
Bronze gears more forgiving of contaminants than steel gears. The Helical spur gear design runs quieter than straight cut gears.
Billet 6061-T6 Aluminum Manifold:
Eliminates porosity concerns with cast aluminum.
"Marine Grade" Motor:
Protected against dust intrusion and powerful water jets.
Horsepower & Flow:
The DFS780 can be used on a totally stock truck, it was engineered for modified vehicles. BSFC (Brake Specific Fuel Consumption) for most modern turbocharged diesel engines is about 0.36 lbs/HP/hr. Since #2 diesel weighs about 7 pounds/gallon, which gives us about 19.5 HP/gallon/hr. The DFS780 will flow enough fuel (at rated pressure) to support over 2000 HP.
Plug & Play Installation:
Supplied harness attaches directly to battery and utilizes Deutsch weather-proof connectors. No cutting or modifications of the stock fuel lines required. Vehicle can easily be returned to stock.
Relay Controlled:
The DFS780 is powered by your ignition and can be run independently or in parallel with the stock fuel pump.
PEEK Bearing Wear Surfaces:
The DFS780 spur gears ride on PEEK (Polyether Ether Ketone) bearing surfaces to reduce both noise and wear.
Contoured CNC Machining Of Manifold Passages:
Enhances flow through the manifold to reduce pressure drop due to flow restrictions.
Direct Bolt-on Steel Mounting Bracket:
Heavy duty bracket mounts to the frame and utilizes existing hole to secure.
Fuel Pressure Gauge Port:
1/8 NPT port allows customer to attach an external pressure gauge to monitor fuel pressure.
O.E Quality Seals:
Compatible with diesel and biodiesel fuels.
Features:
- 8-10 PSI
- Built In The U.S.A.
- Supports 2000+ HP
- Full-Time Operation
- C.A.R.B. OE# D-550-37
- "Worry Free" 2 Year Warranty
WARRANTY INFO:
2 Year
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
4.7 ★★★★★
Based on 2088 reviews
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Product Reviews
★★★★★ 5
The Indispensable Standard for Outdoor Play
Size: 12 Pack, Color: Optic Yellow
As someone who genuinely lives on the pickleball court, having reliable equipment isn't a preference—it’s a necessity. The Franklin Sports X-40 Outdoor Pickleballs are the gold standard for a reason. From the moment you serve, the flight is true, offering predictable speed and a consistent, high-bounce off the court face, making every rally feel authentic and competitive.
The 40 precision-drilled holes ensure that they cut through the wind effectively, minimizing drift on those breezy days that are inevitable in outdoor play. I’ve hit these with powerful serves and vicious third-shot drops, and they maintain their shape and integrity beautifully, far outlasting many other brands I’ve tried.
However, let’s be honest about the one thing every dedicated player knows: you can never, ever have enough pickleballs. Even with the durability of the X-40, balls get lost in the bushes, occasionally crack under extreme force, or are simply needed for high-volume drilling. If you’re serious about the game, stocking up on these is essential—not just because they're great, but because having a full inventory is the only way to ensure the game never stops. If you’re looking for a ball that delivers official, tournament-level performance and holds up play after play, the X-40 is the one to get.
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Reviewed in the United States on October 14, 2025
★★★★★ 5
Bright, Smooth, and Worth the Price
Size: 12 Pack, Color: Optic Yellow
These pickleball balls are excellent quality and absolutely worth the price. I was hesitant at first because they cost a little more than other options for the same quantity, but the difference is obvious once you use them. They glide smoothly, feel like high‑end material, and the bright color is a huge plus especially in low lit areas where visibility can be an issue. They’re easy to spot on the court and stand out even when multiple games are going on.
The color is noticeably brighter than most pickleballs I’ve seen, which makes them easy to identify and retrieve. The overall quality and size really speaks for itself. I highly recommend them.
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Reviewed in the United States on March 6, 2026
★★★★★ 5
The best outdoor pickleballs.
Size: 12 Pack, Color: Optic Yellow
These pickleballs are much cheaper than found in stores. Great quality. Rates at the top when researching the best outdoor pickleballs. This a no brainer, a must buy if you play the game.
Well packaged. Fast delivery. The best price!
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Reviewed in the United States on May 2, 2026
★★★★★ 4
Great Outdoor Pickleballs for Practice and Games
Size: 6 Pack, Color: Multi
These pickleballs have been great overall for outdoor play. The colors are bright and easy to see on the court, which is especially helpful during evening games or when playing on darker surfaces. They have a consistent bounce and feel durable compared to some cheaper pickleballs I’ve tried before.
I also like that they fly pretty true and don’t wobble too much during rallies. They work well for both casual games and more competitive practice sessions. The balls feel solid off the paddle and provide a good balance of speed and control.
The only reason I’m giving 4 stars instead of 5 is because a couple of the balls started showing small cracks after extended outdoor use on rough courts. They still lasted longer than many other brands, but I expected slightly better durability considering the price. They can also feel a bit harder than some softer outdoor balls, especially in colder weather.
Overall though, these are reliable pickleballs and definitely a good choice for outdoor play. I’d buy them again for practice and recreational matches.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Good quality
Size: 3 Pack, Color: Optic Yellow
These are really good quality. The color is easy to see on the outdoor court, especially when the sun is bright. Definitely has good bounce to them.
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Reviewed in the United States on May 28, 2026