Choosing the right outboard fuel line is essential for reliable starts, steady fuel flow, and long engine life. The following five products represent versatile, marine-grade fuel line assemblies and primer bulbs compatible with a range of Yamaha, Mercury, Johnson, Evinrude, and other outboard systems. Each option includes a primer bulb, stainless steel hose clamps, and a connector set designed for universal fitting on boats, RVs, tractors, and caravans. Use this guide to compare materials, compatibility, and installation features before purchasing.
| Product | Brand | Diameter | Length | Key Feature |
|---|---|---|---|---|
| BARTOO Marine Boat Fuel Line Assembly | BARTOO | 5/16″ (8 mm) | 7 ft | Low-permeation material; includes primer bulb; universal fit |
| BARTOO Fuel Line Assembly | BARTOO | 3/8″ (10 mm) | 6 ft | Low-permeation; primer bulb; universal connectors |
| Five Oceans OMC/Johnson/Evinrude Kit | Five Oceans | 3/8″ | 6 ft | EPA/CARB approved; full kit incl. connectors and clamps |
| iFJF 32-858104K08 Fuel Line Kit | iFJF | 5/16″ (8 mm) | 10 ft | Bulb included; cross-reference compatible models |
| YIENAKFUN 3/8″ 6FT Fuel Line Kit | YIENAKFUN | 3/8″ (10 mm) | 6 ft | Rubber construction; universal marine use |
BARTOO Marine Boat Fuel Line Assembly
The BARTOO 5/16″ fuel line is designed for ethanol-blended fuels and uses an engineered low-permeation material to minimize evaporation. It includes a premium rubber primer bulb and 6 ft of 5/16″ hose with 360° stainless steel clamps. This universal line is suitable for boats, RVs, tractors, and caravans. The hose length and compatibility make it a flexible option for many outboard setups, although it does not include engine or tank fittings, which keeps installation compatible with a variety of tank and engine configurations.
BARTOO Fuel Line Assembly (3/8″)
This 3/8″ nylon braided marine fuel hose assembly from BARTOO includes a primer bulb and 6 ft of hose with 360° stainless steel clamps. It is designed for universal use and is compatible with ethanol-blended fuels. As with the 5/16″ version, it does not come with engine or tank fittings, making it adaptable to existing systems on boats, RVs, tractors, and caravans. The 3/8″ size provides a good balance for many mid-range outboard configurations.
Five Oceans OMC/Johnson/Evinrude Kit
Five Oceans offers a complete 3/8″ x 6′ fuel line kit designed for OMC, Johnson, and Evinrude engines. The kit includes a premium primer bulb, two female quick-connects, and two stainless steel hose clamps. This EPA/CARB-approved kit emphasizes a secure fuel line connection at both engine and tank ends, helping ensure reliable priming and fuel delivery for outboard motors within the supported range of engines. It’s a compact solution for owners seeking a full compatibility package in a single purchase.
iFJF Outboard Fuel Line Kit
The iFJF 32-858104K08 kit covers outboard fuel line needs for a broad range of models, including Yamaha, Mercury, and Johnson engines from certain years. It includes a 10 ft length of 5/16″ line, a primer bulb, and multiple cross-reference items to help identify compatibility. The note indicates that newer models above certain horsepower may not accommodate external fuel tanks, so compatibility should be verified against the specific outboard model. The kit reflects a comprehensive approach to matching historical configurations.
YIENAKFUN 3/8″ 6FT Fuel Line Kit
This 6 ft, 3/8″ fuel line kit from YIENAKFUN uses premium rubber and is compatible with ethanol-blended fuels. It features a primer bulb and stainless steel clamps. The kit emphasizes universal marine applicability and is intended for various outdoor power equipment beyond boats, including RVs and tractors. While offering robust construction, users should confirm end fittings and tank connectors for their specific engine model before installation.
Universal 5/16″ 8mm Fuel Line Assembly
From YIENAKFUN, this 6-foot fuel line uses 5/16″ inner diameter with a 8mm measurement and comes with clamps and a primer bulb. Its design supports universal outboard and RV applications, offering straightforward installation for mid-range engines. It highlights compatibility with common marine fuel systems and emphasizes low permeation to reduce evaporation, which is beneficial for longer storage or frequent use.
Buying Guide: Key Purchase Considerations
- Engine compatibility: Verify model year and horsepower to ensure external tank connections are supported. Some newer engines do not allow external fuel tanks.
- Line diameter and length: Choose 5/16″ or 3/8″ depending on fuel flow requirements and tank outlet size; ensure hose length fits your setup without overstressing fittings.
- Fuel type compatibility: Look for low-permeation materials engineered for ethanol-blended fuels to minimize evaporation and fuel loss.
- Primer bulb and clamps: A robust primer bulb improves priming efficiency, especially after storage. Stainless steel hose clamps reduce corrosion risk in saltwater environments.
- Kit completeness: Some options include connectors, quick-disconnects, and multiple end fittings. A complete kit simplifies installation on older and newer engines alike.
- Fittings compatibility: Ensure the kit’s connectors match your engine’s primer bulb housing, tank end connectors, and any quick-connect interfaces your outboard uses.
- Build quality and warranty: Look for marine-grade rubber, reinforced braiding, and corrosion-resistant components designed for outdoor exposure and temperature variations.
- Maintenance and replacement interval: Consider ease of inspection for cracks, leaks, and wear; plan for periodic replacement to maintain safe fuel delivery.
Overall, the top choices prioritize universal compatibility, reliable priming, and durable construction suitable for a wide range of outboard motors and marine environments. When selecting, balance hose diameter, length, and kit completeness against your specific engine model, tank connections, and installation constraints.