Product Description
Upgrade your 2010-2018 6.7L Cummins fuel system the right way with the FLEECE FPE-FFD-RF-HF-KIT-4G 2010-2018 CUMMINS FUEL DISTRIBUTION BLOCK HOSE AND FITTING KIT. This premium hose and fitting package is engineered specifically to work with the FLEECE FPE-FFD-RF-4G Fuel Distribution Block, giving your dual CP3 setup clean, reliable AN-style plumbing and a professional under-hood appearance.
Designed for serious performance builds and high-mile daily drivers alike, this hose and fitting kit includes everything you need to route feed and return lines to and from your Fleece fuel distribution block. High-quality, heat-resistant push-lock hose and precision AN adapters help maintain consistent fuel pressure, reduce leak points, and simplify service on your dual CP3 fuel system.
Key Features
- Directly compatible with the FLEECE FPE-FFD-RF-4G 2010-2018 Cummins Fuel Distribution Block.
- Complete AN hose and fitting solution for dual CP3 fuel systems.
- High-quality push lock hose for clean routing and secure connections.
- Precision AN adapters and sealing washers for a leak-free installation.
- Engineered specifically for 2010-2018 6.7L Dodge Ram Cummins applications.
- Ideal companion to Fleece dual CP3 hardware, feed line kits and junction blocks.
Fitment
This kit is designed for use on:
- 2010-2018 Ram 2500 / 3500 / 4500 / 5500 with 6.7L Cummins (4th Gen chassis)
- Configured with a Fleece fuel distribution block (FPE-FFD-RF-4G)
- Supports dual CP3 fuel pump conversions and high-flow fuel system upgrades.
Note: This is the hose and fitting kit only. The Fleece fuel distribution block is sold separately as FPE-FFD-RF-4G.
Kit Contents
Fleece’s own documentation for FPE-FFD-RF-HF-KIT-4G lists the following components:
- (2) Push Lock CP3 Feed Fittings
- (1) -6AN to M12 Fitting
- (3) 12mm Sealing Washers
- (2) -8AN 90° to Push Lock Fittings
- (1) -8AN 45° to Push Lock Fitting
- (1) -6AN 90° to Push Lock Fitting
- (1) -6AN 120° to Push Lock Fitting
- (3.5') -8AN (1/2") Push Lock Hose
- (2') -6AN (3/8") Push Lock Hose
Why This Kit Matters for Dual CP3 Builds
When you add a second CP3 pump, controlling and distributing fuel correctly becomes critical. The FPE-FFD-RF-HF-KIT-4G integrates with the Fleece distribution block to give each pump clean, well-supported feed and return routing. That helps stabilize rail pressure, supports higher horsepower goals, and keeps the engine bay looking tidy instead of cluttered with universal hoses and pieced-together fittings.
Cross-Reference & Related Fleece Parts (CPP Diesel Internal Links Only)
Build a complete, matching Fleece fuel system using these related components available at CPP Diesel:
- FLEECE FPE-FFD-RF-4G 2010-2018 4TH GEN DODGE/CUMMINS FUEL DISTRIBUTION BLOCK – the required block for this kit.
- FLEECE FPE-FFD-RF-HF-KIT-3G 2003-2007 CUMMINS FUEL DISTRIBUTION BLOCK HOSE AND FITTING KIT – similar hose and fitting kit for 3rd Gen 5.9L.
- FLEECE FPE-FFD-RF-3G 2003-2007 3RD GEN DODGE/CUMMINS FUEL DISTRIBUTION BLOCK – match for earlier 5.9L setups.
- FLEECE FPE-CP3-FEED 1/2 INCH CP3 FEED FITTING – high-flow CP3 feed fitting that complements upgraded fuel systems.
- FLEECE FPE-CP3-RTRN 3/8 INCH CP3 RETURN FITTING – durable stainless return fitting for CP3 pumps.
- FLEECE FPE-34196 6.7L CUMMINS DUAL PUMP KIT JUNCTION BLOCK WITH RAIL SENSOR PORT – integrates rail sensor and dual pump plumbing.
Specifications for FLEECE FPE-FFD-RF-HF-KIT-4G
| Attribute | Value |
|---|---|
| Brand | Fleece Performance Engineering |
| Part Number | FPE-FFD-RF-HF-KIT-4G |
| UPC | 635909312048 |
| GTIN | 00635909312048 |
| Engine/Application | 2010-2018 Dodge Ram with 6.7L Cummins; used with FPE-FFD-RF-4G Fuel Distribution Block for dual CP3 systems. |
| Kit Type | Fuel Distribution Block Hose and Fitting Kit (dual CP3 plumbing) |
| Compatible Fuel Block | FPE-FFD-RF-4G 2010-2018 4th Gen Dodge/Cummins Fuel Distribution Block |
| Hose Sizes | -8AN (1/2") push lock; -6AN (3/8") push lock |
| Fitting Types | Push lock CP3 feed fittings, -6AN to M12, -8AN 90° & 45°, -6AN 90° & 120°, plus sealing washers. |
| Cross Reference (Fleece) | FPE-FFD-RF-4G, FPE-FFD-RF-3G, FPE-FFD-RF-3G-67, FPE-FFD-RF-HF-KIT-3G, FPE-CP3-FEED, FPE-CP3-RTRN, FPE-34196. |
| Shipping Weight (approx.) | ~2 lb (kit & packaging, typical listing value) |
| Package Dimensions (approx.) | Approx. 12" x 6" x 4" (L x W x H) |
| Country of Origin | USA (per typical Fleece Performance manufacturing) |
| Prop 65 | WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov |
| E-Codes / Emissions | Not emissions-related (fuel plumbing hardware only; check local regulations for use on road vehicles). |
| Shipping Method | Standard ground shipping (UPS/FedEx/USPS – carrier at CPP Diesel’s discretion). |
FAQ
Do I need the Fleece FPE-FFD-RF-4G fuel distribution block to use this kit?Yes. The FPE-FFD-RF-HF-KIT-4G is engineered specifically to work with the FPE-FFD-RF-4G fuel distribution block. It will not correctly match ports or routing on other brands or OEM hardware.
Will this kit work with my stock lift pump or aftermarket lift pumps like FASS or AirDog?
This kit handles hose and fittings between your Fleece fuel distribution block and dual CP3 pumps. It can be used with stock or aftermarket lift pumps, as long as the supply side is properly plumbed into the distribution block (often using the FPE-FFD-RF-4G and compatible feed line solutions). Always verify total system flow and pressure when adding dual CP3s.
Is custom tuning required when installing this hose and fitting kit?
The hose and fitting kit itself does not change commanded rail pressure or fuel quantity, so no tuning is required for installation alone. However, most dual CP3 conversions and high-output fuel system upgrades will require appropriate ECM calibration to safely take advantage of the added fueling capability. Consult your tuner or engine builder for recommendations for your specific setup.
Can I daily drive my truck with this kit and a dual CP3 system?
Yes. Fleece engineered this kit and the matching distribution block to support both hard-working tow rigs and high-horsepower street trucks. As long as your fuel system is properly installed, filtered, and tuned, the FPE-FFD-RF-HF-KIT-4G is perfectly suitable for daily driving, towing, sled pulling, and more.
What’s the difference between this kit and the 3rd Gen Fleece hose kits?
The FPE-FFD-RF-HF-KIT-4G is tailored to the port layout and chassis routing of 2010-2018 4th Gen Cummins trucks and is designed to pair with the FPE-FFD-RF-4G distribution block. The FPE-FFD-RF-HF-KIT-3G and related 3rd Gen kits are built for earlier 2003-2007 and 2007.5-2009 applications with different factory fuel system layouts.
