A cracked or deteriorating gas line can spell disaster for your mowing routine, causing your lawn mower to sputter, leak fuel, or fail to start entirely.
This common problem is often accelerated by ethanol found in modern gasoline, which gradually degrades standard rubber hoses, leading to brittleness and poor engine performance.
Choosing the right replacement kit is crucial for both fixing immediate issues and ensuring lasting durability and consistent fuel flow.
The best replacements use ethanol-resistant materials and come in standard sizes, often 1/4 inch or 3/16 inch.
We recommend looking for complete kits that bundle the hose with essential accessories like clamps, filters, and shut-off valves for a secure, leak-free installation.
Based on hands-on testing, durability analysis, and verified user feedback, here are our top picks for the 8 Best Lawn Mower Gas Line Replacement Kits of 2025:
1. HuthBrother 1/4 Inch Fuel Line Kit – Best Overall
The HuthBrother kit stands out as the comprehensive solution for a full lawn mower gas line replacement. It is unrivaled in its completeness and focuses on durability.
The package includes a 3-layer thickened fuel line with a substantial 2.94mm wall thickness, significantly enhancing ethanol tolerance and longevity.
This kit goes beyond just the hose, including essential extras like fuel filters, shut-off valves, and even carburetor cleaning brushes, addressing the entire fuel delivery system in a single package.
The 6-foot hose length is ample for most mowers and tractors, cutting cleanly without fraying. The hose clamps are made from 65Mn Spring Steel, which provides a tight grip and prevents common leaks at connection points.
This makes the HuthBrother kit ideal for meticulous owners seeking a full maintenance overhaul and a superior value through sheer completeness.
Key Features
- Fuel Line ID: 1/4 Inch.
- Hose Length: 6-Foot.
- Construction: Durable 3-layer thickened fuel line.
- Hose Clamp Material: 65Mn Spring Steel.
- Inclusions: Fuel filters, shut-off valves, and carburetor cleaning brushes.
Pros
- All-in-one kit provides a full maintenance overhaul.
- Thick 3-layer hose offers enhanced ethanol tolerance and longevity.
- Includes shut-off valves for easier, safer carburetor work.
- Ample length compatible with Kawasaki and Kohler mower engines.
Cons
- May be overkill for users needing only a simple hose replacement.
- Includes more components than basic kits.
2. STRONGTHIUM 1/4 Inch Fuel Line Set – Best Value with Clamps
For a focused, no-fuss hose and clamp replacement, the STRONGTHIUM set delivers streamlined efficiency.
This kit smartly focuses on the two most critical components: a quality 1/4-inch ID fuel line and a generous supply of 10 hose clamps.
The thoughtful pairing ensures a secure, leak-free installation without requiring the user to pay for unnecessary extras.
The 6.6-foot (2-meter) hose offers plenty of material for routing around engine components on various mowers, including Troy-Bilt and Craftsman.
The material is oil resistant, cold-resistant, and features excellent ethanol tolerance, ensuring reliable performance across different seasons.
During testing, the hose proved pliable and easy to work with, while the included clamps provided a firm, consistent seal. This highly accessible kit is perfect for DIYers who only need to replace the core hose and clamps.
Key Features
- Inside Diameter: 1/4 inch (6.2mm).
- Outside Diameter: 7/16 inch (11mm).
- Material: Oil resistant, cold-resistant, ethanol tolerance.
- Length: 6.6 ft (2.0m).
- Compatibility: Gasoline, E-85, diesel, bio-diesel.
Pros
- Excellent value proposition for core components.
- Ample supply of 10 hose clamps included.
- Generous 6.6-foot length offers plenty of material.
- Material is specifically formulated to be ethanol tolerant.
Cons
- Does not include fuel filters.
- A fuel shut-off valve is not included.
3. 1/4 Inch Fuel Line 3M Kit – Best for Complete Setup
The 1/4 Inch Fuel Line 3M Kit is exceptionally generous, providing an impressive 10 feet (3 meters) of 1/4-inch fuel line, making it a standout choice for larger projects or multiple repairs.
This kit is engineered for a complete fuel system refresh, bundling the lengthy hose with two fuel filters, two inline shut-off valves, and ten clamps.
This all-inclusive approach is perfect for users looking to replace every wear-and-tear component from the tank to the carburetor.
The extended length is a significant advantage, allowing for custom routing on large garden tractors or leaving plenty of leftover hose for future needs on snow blowers and tillers.
The included components are universally compatible, and the shut-off valves are useful for simplifying future maintenance and winter storage.
This package is superior for users whose top priority is maximizing hose length for multiple machines or complex routing.
Key Features
- Length: 3m/10 Feet.
- Size: 1/4 inch (6.3mm).
- Included Items: Fuel line, clamps (10 pcs), shut-off valves (2), fuel filters (2).
- Compatibility: Lawn mowers, tractors, tillers, snow blowers, ATVs.
- Fuel Types: Gasoline, diesel, propane, E-85, bio-diesel.
Pros
- Features an extra-long 10ft hose for custom routing or multiple repairs.
- Complete kit eliminates the need to source parts individually.
- Includes essential shut-off valves and fuel filters.
- Wide compatibility for various small engine machines.
Cons
- The included clamps are considered basic.
- Does not include carburetor cleaning tools.
4. Strongthium 3/16 & 1/4 Fuel Line – Best Multi-Size Kit
This brilliantly versatile Strongthium kit is the ultimate problem-solver for workshops dealing with a variety of small engines.
Its core strength lies in providing both the 3/16-inch ID and 1/4-inch ID fuel lines, the two most common sizes required for equipment ranging from lawn mowers to generators.
This dual-size offering, which includes 12 appropriately sized clamps, ensures preparedness for nearly any lawn mower gas line replacement or small engine repair.
Having both sizes on hand prevents delays caused by discovering the wrong diameter hose. Each size comes in a 3.3-foot length, which is sufficient for most standard applications.
The tubing is robust, ensuring a durable and reliable fuel flow for engines generally ranging from 5.5hp to 13hp.
This kit prioritizes adaptability over sheer length of one size, making it an indispensable resource for DIY mechanics with multiple power tools.
Key Features
- Fuel Line Sizes: 3/16″ ID (4.9mm) & 1/4″ ID (6.3mm).
- Length: 3.3 Feet (1.0m) for each size.
- Clamps: 12 pieces included.
- Durability: Robust rubber tubing with sturdy ODs (11.5mm for 1/4″).
- Compatibility: Engines 5.5hp to 13hp; Gasoline, E-85, Diesel, Bio-diesel.
Pros
- Provides the two most common fuel line sizes required.
- Includes 12 appropriately sized clamps.
- Great solution for workshops maintaining a variety of equipment.
- Wide engine compatibility due to dual sizing.
Cons
- Shorter length per individual size compared to single-size kits.
- Does not include extra accessories like filters or valves.
5. 4 Sizes Yellow Fuel Line Hose – Best Budget Basic Kit
This kit is indispensable for 2-cycle engine repair, providing a specialized assortment of four smaller-diameter fuel lines.
With sizes tailored for intricate fuel systems, such as 2mm x 3.5mm, it is perfectly suited for chainsaws, string trimmers, and leaf blowers.
The highly visible yellow tubing is a fantastic functional feature, making it easy to trace fuel routes and spot potential clogs or leaks within a cramped engine housing.
This is a dedicated, niche solution for smaller power tools, offering sizes that are often difficult to find. Each of the four hoses comes in a generous 4-foot length, providing ample material for several repairs.
The premium material is specifically formulated to be corrosion-resistant and designed to handle oil and gas mixtures, ensuring longevity and reliable performance in demanding 2-cycle applications.
Key Features
- Sizes Available: Four specific small diameters (e.g., 0.08″ x 0.14″, 1/8″ x 1/4″).
- Length: 4 Feet for each of the four sizes.
- Material: Oil and gas resistant, corrosion resistant.
- Application: Tailored for 2-Cycle Small Engines.
- Color: Highly visible yellow tubing.
Pros
- Provides four exact sizes needed for 2-cycle tools.
- Highly visible color aids in diagnosing and tracing fuel routes.
- Material is resistant to corrosion and oil/gas mixtures.
- Offers superior value for users who specifically maintain trimmers and chainsaws.
Cons
- No clamps or accessories are included.
- It is specifically designed for 2-cycle small-bore applications and is generally not for mowers.
6. 4 Sizes Clear Fuel Line Tubing – Best Budget Long Length
Resourcefully abundant, this fuel line kit is excellent for anyone frequently repairing 2-cycle engines. It provides four distinct small-engine hose sizes, each supplied in a generous 4-foot length, totaling 16 feet of tubing.
This bulk offering ensures you are well-stocked for numerous future repairs on equipment like leaf blowers and Weed Eaters, providing an exceptional long-term value.
The hoses are crafted from a high-quality, clear polyurethane material, which is both durable and highly functional.
The transparency allows for at-a-glance diagnosis of fuel flow and air bubbles, offering a critical advantage when troubleshooting stubborn 2-cycle engines.
This kit is designed for the high-volume DIYer or small repair shop that needs a reliable, bulk supply of the most common small-bore fuel lines. This kit focuses on quantity and diagnostic capability.
Key Features
- Sizes Available: Four specific small diameters (e.g., 0.08″ x 0.14″, 1/8″ x 1/4″).
- Length: 4 Feet for each hose, totaling 16 feet.
- Material: Oil and gas resistant polyurethane.
- Features: Clear tubing for diagnostic visualization.
- Compatibility: Most two-stroke engines, including chainsaws and leaf blowers.
Pros
- Provides four useful small-bore sizes.
- Offers an excellent 16 feet total of tubing for bulk value.
- Clear tubing allows for easy diagnostic viewing of fuel flow and bubbles.
- Durable material designed to resist oil and gas.
Cons
- No clamps or accessories are included.
- Less visible than colored hoses, potentially making routing harder.
- Clear lines may degrade faster if exposed to UV light long-term.
7. YGQ 791766 Fuel Line Briggs Compatible – Best OEM Replacement
The YGQ 791766 fuel line is engineered for precision, serving as the definitive choice for an OEM-equivalent replacement on specific Briggs and Stratton engines.
The primary advantage of this product is that it eliminates guesswork by matching specific part numbers (such as 691050, 791850, and 791766), guaranteeing an exact fit for a vast range of equipment.
This includes applications for brands like Snapper, Toro, Craftsman, Lawn Boy, and Simplicity. The package is simple and effective, containing one length of purpose-built fuel hose and four clamps.
Although it doesn’t offer the bulk length of universal kits, the material is designed to meet or exceed the specifications for the intended engines, ensuring a reliable, long-lasting repair.
For a Briggs & Stratton owner, this OEM-style replacement offers unmatched compatibility and simplicity, making the lawn mower gas line replacement a quick and confident job.
Key Features
- Compatibility: OEM-specific replacement for Briggs & Stratton engines.
- Replaces Part Numbers: Includes 791766, 791850, 691050, and numerous others.
- Fit For: Craftsman, Lawn Boy, Murray, Simplicity, Snapper, Toro, Vanguard.
- Inclusions: One fuel hose line and four clamps.
- Usage: Suitable for snowblowers, lawn tractors, generators, and lawn mowers.
Pros
- Offers an OEM-specific fit, eliminating all guesswork regarding sizing.
- Guaranteed compatibility for a wide range of popular B&S models.
- Provides four necessary clamps for installation.
- Excellent choice for a fast, correct, and reliable targeted fix.
Cons
- Not a universal kit; only fits specific engines.
- Limited length compared to bulk kits.
- Does not include extra accessories like filters or valves.
8. 10 Feet Clear Fuel Line Hose – Best Length for Custom Cuts
This product is highlighted as the Best Length for Custom Cuts, offering a generous 10 feet of fuel line material. The extended length allows for custom routing on complex machines or leaves plenty of material for future repairs.
Unlike opaque options, this kit features clear tubing, which allows the user to visually check for clogs, sediment, or air bubbles, aiding in quick diagnosis of fuel delivery issues.
The size is listed as 1/4 Inch. While highly functional, clear tubing must be used cautiously, as it may degrade faster than opaque lines if exposed to UV light over the long term.
This option is perfect for users prioritizing the maximum amount of hose material in a single, easy-to-diagnose line.
When undertaking a lawn mower gas line replacement, having a longer hose ensures you can cut the exact size required, minimizing waste.
Key Features
- Size: 1/4 Inch Inner Diameter.
- Length: 10 Feet.
- Type: Clear tubing.
- Best For: Custom cuts and complex routing.
- Functionality: Allows visual check for clogs or fuel flow.
Pros
- Extra-long 10-foot length is perfect for custom needs and maximizing material.
- Clear material enables at-a-glance fuel flow diagnostics.
- Universal 1/4 inch size is common for many mower applications.
- Allows users to cut to the exact size needed, minimizing reliance on pre-cut hoses.
Cons
- No clamps or accessories are included.
- Clear tubing can degrade faster if exposed to UV light long-term.
- Requires sourcing filters and valves separately for a complete install.