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Description
AFE 42-12021 DFS780 Fuel System (Full-Time Operation)The AFE 42 12021 DFS780 Fuel System with Full Time Operation for your 2003 2004. 5 Dodge 5. 9L Diesel offers you a complete fuel system solution to replacing the factory lift pump in your Ram pickup. The fuel in your truck contains contaimants, 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
The AFE 42-12021 DFS780 Fuel System with Full-Time Operation for your 2003-2004.5 Dodge 5.9L Diesel offers you a complete fuel system solution to replacing the factory lift pump in your Ram pickup. The fuel in your truck contains contaimants, 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:
- Bypasses OE Fuel Pump (Full-Time Operation)
- "Worry Free" 2 Year Warranty
- Built In The U.S.A
WARRANTY INFO:
1 Year
Disclaimer: GAP is in no way affiliated with Cummins or any of its subsidiaries or related companies, and that Cummins has not authorized the sale of any of GAP's parts, and has not tested or approved any of GAP’s parts for use in genuine Cummins brand products.
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
4.6 ★★★★★
Based on 657 reviews
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Product Reviews
★★★★★ 5
Good quality, see pic for scale help!
Size: 8.7in, Color: White, Size: 8.7in, Color: White
I haven’t hung this shelf yet, but it seems to be good quality wood and seems easy to install. I did have to return and reorder the next biggest size because the initial shelf I bought was too small. I couldn’t find anywhere that listed how the dimensions were measured so I’m including a pic for reference! Hopefully it helps someone out!
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Reviewed in the United States on May 30, 2026
★★★★★ 4
Great shelves, poor instructions
Size: 16in 2P, Color: White
We bought these corner shelves for our son’s nursery, and the quality of the shelves themselves is great. We have plants on the shelves and no scratches even with sliding them on and off weekly to water them. The pots are very big and the plants are pretty heavy so they are holding up quite well. However, the instructions for hanging them were not very clear, and it took us several tries (and some wall damage) before we got them up correctly. We eventually found better guidance from another source. Once installed, though, they look great and feel sturdy.
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Reviewed in the United States on September 5, 2025
★★★★★ 5
Love them!
Size: 9/10/12in(3P), Color: Oak, Size: 9/10/12in(3P), Color: Oak
A little difficult to install but only because my corner must not be exactly a 90° angle and that’s not the shelves fault, that’s a me problem! It had multiple parts for different mounting options and even included a level tool for each shelf! They are built very well and super sturdy. I love that I was able to choose the distance between them that fit my plants and the aesthetic. I have 3 good size plants on each of the bottom shelves and it holds them with ease. I also was able to run a grow light cord up through the back and it’s nearly invisible. I’m definitely going to buy more and fill as many corners in my home with more plants!!!
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Reviewed in the United States on April 9, 2026
★★★★★ 5
Good quality corner shelf
Size: 10in, Color: White
Good quality corner shelf with included wall anchors for drywall or masonry walls. The paint finish is smooth and has a slight shine. I needed a corner shelf to relocate my modem to a higher location. This is perfect !
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Elegant and Sturdy - A Perfect Addition to My Home
Size: 7in, Color: White
Elegant and Sturdy - A Perfect Addition to My Home
I recently purchased the **7-inch White Solid Oak Wood Floating Corner Shelf** and I am absolutely delighted with it! This shelf has not only met but exceeded my expectations in both functionality and style.
**Build Quality and Design:** The first thing that struck me was the quality of the oak wood. It's solid and feels very durable, which gives me confidence that it can hold my items securely. The white finish is flawless, providing a clean, modern look that complements my home decor beautifully. Additionally, the round edges are a nice touch, adding an element of sophistication and safety, especially in a household with children.
**Installation Ease:** Installation was a breeze. The shelf came with all the necessary hardware and clear instructions. I was able to mount it in my desired corner with minimal effort. It sits flush against the wall, giving it a seamless appearance.
**Versatility:** Despite its compact size, this shelf is incredibly versatile. I've used it to display a small plant and a couple of framed photos, which it holds perfectly. It's also ideal for small speakers, trinkets, or even as a bedside shelf for essentials.
**Space-Saving Design:** For anyone looking to maximize space, especially in smaller rooms or apartments, this shelf is a fantastic solution. It turns an empty corner into a functional, stylish display area without taking up floor space.
**Overall Experience:** I am thoroughly impressed with this floating corner shelf. It's not just a shelf; it's a piece of decor that enhances the look of my room. I highly recommend it to anyone looking for a high-quality, stylish, and functional shelving solution.
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Reviewed in the United States on December 29, 2023