Choosing a reliable 5/16 inch fuel line is essential for fuel delivery, performance, and safety in cars, ATVs, and small engines. This guide highlights five top options featuring NBR rubber construction, 5/16″ inner diameter, and strong pressure ratings. Each product offers durability under high temperatures and petroleum exposure, with details to help you compare installation needs, compatibility, and longevity. Use the quick reference table below to scan key specs at a glance.
| Product | Brand | Length | ID / OD | Working Pressure |
|---|---|---|---|---|
| 5/16 Inch (8mm) ID Fuel Line Hose 10FT | dojobkinb | 10 ft | 5/16″ / 9/16″ | 300 PSI |
| HOUSUN 5/16 Inch ID Fuel Line 10FT | HOUSUN | 10 ft | 5/16″ / 0.55″ | — (oil, heat, flame resistant) |
| CMOOD 5/16″ ID Fuel Line SAE 30R7 25FT | CMOOD | 25 ft | 5/16″ / 0.55″ | 150 PSI |
| EVIL ENERGY 5/16 Fuel Line 10FT | EVIL ENERGY | 10 ft | 5/16″ / 9/16″ | 300 PSI |
| Storystore 5/16 Inch ID Rubber Hose 10FT | Storystore | 10 ft | 5/16″ / 9/16″ | 300 PSI |
5/16 Inch (8mm) ID Fuel Line Hose 10FT NBR Rubber Push Lock Hose High Pressure 300PSI
This Dojobkinb fuel line features an ID of 5/16″ (8mm) and an OD of 9/16″ (14.5mm), with a 10-foot length suitable for standard automotive fuel routing. Made from premium NBR material, it emphasizes wear resistance and high-temperature performance. With a working range from -40°F to 257°F and a 300 PSI working pressure, it is designed for fuel injection systems and racing accessories, delivering reliability under demanding conditions.
HOUSUN Fuel Line 5/16 Inch ID, 10FT, NBR
HOUSUN’s 10-foot fuel hose has an ID of 5/16″ (8mm) and OD of 0.55″ (14mm). It combines NBR with polyester fibers for improved durability, offering oil resistance, heat resistance, flame resistance, and ultraviolet resistance. The construction emphasizes long life in oily environments and varying temperatures, making it suitable for automotive fuel systems and engines with moderate routing demands.
CMOOD 5/16″ ID Fuel Line SAE 30R7 25′ Length
The CMOOD line is a versatile 5/16″ ID hose and features SAE 30R7 compliance, rated for 150 PSI. It is described as suitable for multiple roles, including fuel lines, PCV connections, and emissions-related lines, with resistance to diesel, gasoline, lubricants, and ethanol blends. Its 25-foot length is ideal for longer runs or multiple connections in a single project.
EVIL ENERGY 5/16 Fuel Line Push Lock NBR 10FT
EVIL ENERGY offers a 10-foot push-lock NBR fuel hose, with ID 5/16″ (8mm) and OD 9/16″ (14mm). The line supports a working pressure of 300 PSI and a burst pressure around 1200 PSI. Temperature tolerance ranges from -40°F to 257°F. It is designed for diesel, gasoline, biodiesel, and other common automotive fluids, providing robust performance in a compact one-piece hose suitable for quick connections and secure clamping.
Storystore 5/16 Inch ID NBR Fuel Line 10FT
Storystore presents a 10-foot NBR fuel line with an ID of 5/16″ (8mm) and an OD of 9/16″ (14mm). It is designed for small engines and general fuel transferring, with a working range from -40°F to 257°F and a working pressure of 300 PSI. The 10-foot length makes it convenient for flexible routing in compact systems or portable equipment, and it is marketed as lightweight and portable for easy handling.
HOUSUN 5/16 Inch ID Fuel Line 10FT, J30R7
This HOUSUN option also highlights a 10-foot extension with ID 5/16″ and OD 0.55″ (14mm). It emphasizes durable construction with oil, heat, flame, sunlight, ozone, and chemical resistance. The multi-layer design and NBR-polyester composition aim to provide consistent performance under automotive fuel exposures and environmental conditions, matching a range of installation scenarios.
HOUSUN 5/16 Inch ID 5FT Fuel Line With Clamps
This shorter HOUSUN option delivers a 5-foot length with ID 5/16″ (8mm) and OD 0.55″ (14mm), wrapped in two layers of NBR rubber and reinforced with a polyester fiber core. It is positioned for quick installations where space is tight, offering oil resistance, heat tolerance, and a compact clamp-ready design for secure connections in fuel systems and engines.
VWTNI 5/16 Fuel Line 10 Feet, NBR
The VWTNI option highlights a 10-foot line with ID 5/16″ (8mm) and OD 0.55″ (14mm). It combines a three-layer braided design with polyester for added pressure resistance. Working pressure is 300 PSI and burst pressure around 1160 PSI, with a temperature range from -40°F to 250°F. This design aims to deliver extended service life in demanding fuel delivery applications while easing installation with compatible clamps.
Buying Guide: Key Purchase Considerations
- Material and compatibility: Look for NBR-based hoses with proven resistance to gasoline, diesel, ethanol blends, and oil. Confirm compatibility with your vehicle or engine model and clamp style.
- Pressure and temperature ratings: Match the hose’s working pressure and burst pressure to your system. Ensure the temperature range aligns with your climate and engine heat loads.
- Length and ID/OD: Choose a length that minimizes excess routing while avoiding excessive bending. Ensure the inner diameter will support required fuel flow without excessive pressure drop.
- Construction and durability: Multi-layer designs and fiber reinforcements can improve resistance to pressure and wear. Consider hoses with UV and ozone resistance for outdoor installations.
- Clamps and fittings: Some listings include clamps or require separate hardware. Verify compatibility with your existing clamps and mounting points for a secure seal.
- Application scope: If you need a single hose for multiple roles (fuel line, PCV, or return line), select a versatile option that is ethanol-compatible and rated for the intended fluids.
- Install and maintenance: Check installation guides or manufacturer recommendations. Regular inspection for cracks, leaks, or hardening will extend service life and safety.
When selecting a 5/16 fuel line, prioritize hoses with proven resistance to common automotive fuels and high-temperature exposure, along with adequate safety margins for pressure. Each option above provides a distinct balance of length, reinforcement, and chemistry to suit automotive fueling needs, whether for racing, street use, or small engines.