Answering the common buying question: which auxiliary transfer tank connector kit best fits your diesel setup and vehicle? This guide highlights five top options, explains who they suit, and clarifies key considerations like compatibility, installation, and durability. The focus is on kits that feed diesel directly or connect auxiliary tanks to factory systems. Ideal buyers include pickup owners doing off-road prep, long-haul drivers seeking fewer refuels, and DIY enthusiasts who want a reliable gravity-fed flow.
Summary table of chosen products:
- Dee Zee DZ97960 Auxiliary Transfer Tank Connector Kit — Best for direct-fit diesel feeding from the truck bed.
- 11025 Diesel Installation Kit for Diesel — Best for versatile, gravity-fed flow with broad vehicle compatibility.
- 11025 1 1/2″ Diesel Installation Kit (Ford/Chevy/GMC/Dodge) — Best for diesel engines, strong valve design.
- Auxiliary Fuel Tank Install Kit 11025 by RedRock Performance — Best for durable aluminum/rubber construction and corrosion resistance.
- RDS MFG INC 11025 Diesel Install Kit — Best for a broader kit assortiment and varied tank options.
Dee Zee DZ97960 Auxiliary Transfer Tank Connector Kit
Best for direct diesel transfer from the truck bed. Includes hoses and hardware; some OEM fuel hose cutting may be required. This kit is suited for owners who want a straightforward feed from the auxiliary tank into the vehicle’s fuel line without extensive modification. The inclusion of all necessary hoses and hardware reduces additional shopping, though installation may require benchwork or cutting to fit OEM components. Best for: DIY enthusiasts seeking a complete, direct-install option.
Limitations: Some cutting of the OEM fuel hose may be required, which requires basic mechanical skills and careful handling to avoid leaks.
11025 Diesel Installation Kit Auxiliary Fuel Tank Install Kit for Diesel
Best for broad vehicle compatibility with gravity-fed delivery. This kit targets Dodge Ram, Ford, Chevy, and GMC models across multiple years. It includes a comprehensive package: fuel hose, shut-off valve, roll-over valve, aluminum tee, PTFE tape, hose sleeves, and hose clamps. Best for: owners who want a complete gravity-fed system that supports long trips and stable flow. Better for: users who prioritize a full hardware set for quick assembly.
Caution: The kit relies on gravity-fed flow; ensure proper positioning of the auxiliary tank to maintain consistent feed and prevent air gaps.
11025 1 1/2″ Diesel Installation Kit – Ford/Chevy/GMC/Dodge (Diesel Only)
Best for diesel engines needing a robust 1½” line setup. This kit explicitly covers Ford (1999–2026), Chevy/GMC (2011–2022), and Dodge (1999–2012) diesel platforms, with a valve-closed design to minimize spillage during installation. Best for: diesel-equipped pickups and heavy-duty trucks with the need for a secure fill line and reliable shut-off components. Limitation: Some models outside listed years may require adaptation or additional parts not included in this kit.
Auxiliary Fuel Tank Install Kit 11025 – RedRock Performance
Best for durability and corrosion resistance. The RedRock Performance kit uses premium aluminum and rugged rubber, with an electrophoresis-treated black tube surface for improved corrosion resistance. It includes shut-off and roll-over valves, aluminum tee, fuel hose, hose sleeves, and clamps. Best for: owners seeking a durable, long-lasting installation that can resist harsh environments. Choose this if you value aluminum components and a visually robust setup. Caution: The kit’s aluminum components should be protected from galvanic contact with incompatible materials.
RDS MFG INC 11025 Diesel Install Kit
Best for buyers seeking a broader assortment of tanks and fit options. RDS MFG INC provides a full range of tanks and accessories, suitable for gasoline and diesel applications. This kit emphasizes flexible compatibility with various tanks and configurations. Best for: users who want a modular approach, with options to match different tank sizes. Limitation: Gasoline options are noted, so confirm diesel-only use if that is required for your system.
Buying Guide
What should you check before buying?
- Vehicle compatibility: Confirm year, make, and model, plus whether the kit is designed for diesel or gasoline systems. Some kits specify specific years and brands.
- Flow method: Gravity-fed vs. pumped feed. Gravity-fed kits are simple but require correct tank positioning to maintain a steady flow.
- Valve design: Look for shut-off and rollover valves to prevent spills during installation and during driving.
- Hardware and hoses: Ensure the package includes hoses, clamps, and fittings, or budget for compatible add-ons.
- Materials: Aluminum and corrosion-resistant rubber are common; consider exposure to fuel and temperature ranges in your application.
- Installation complexity: Some kits require cutting OEM hoses or mounting adjustments. Assess your mechanical skill level.
- Warranty and support: Check for product support or guidance from the seller if you anticipate future maintenance needs.
How to choose between the top options
- Direct feed from truck bed: Dee Zee DZ97960 is a strong pick if you want a complete, ready-to-install setup with included hoses and hardware.
- Broad vehicle compatibility: The 11025 Diesel Installation Kit for Diesel suits a wide range of trucks with gravity-fed operation, making it versatile for mixed fleets.
- Diesel-specific, high compatibility: The 11025 1 1/2″ kit targets major diesel platforms and emphasizes valve locking for spill prevention.
- Durable construction: RedRock’s kit emphasizes aluminum and corrosion resistance for long-term exposure to fuel and environmental factors.
- Modular option: RDS MFG INC offers versatility in tank choices and configurations, ideal for buyers who want adaptable solutions.
Frequently asked questions
- What is a gravity-fed auxiliary fuel kit? It uses gravity to move fuel from an auxiliary tank into the main system, typically requiring correct tank height and hose routing.
- Do these kits require cutting hoses? Some kits may require cutting OEM hoses or making minor modifications during installation.
- Are these kits suitable for gasoline engines? Some kits mention gasoline compatibility; verify each product’s specified engine type and fuel compatibility before purchasing.
- Can I install these kits myself? Many kits are designed for DIY installation, but basic mechanical skills and proper safety precautions are recommended.
- Will these kits prevent spills during installation? Look for shut-off valves and rollover valves, which help minimize spill risks during setup and operation.
- Do these kits come with all necessary hardware? Several kits include comprehensive hardware, while others may require additional fittings or clamps not listed.