Dorman Nylon Fuel Line Repair Kit, 104-Piece Universal Set — Cutter, Crimper & Fittings

Dorman's 800-300 Nylon Fuel Line Repair Kit is a 104-piece universal set that lets you cut out damaged sections and splice in new nylon fuel line with professional-grade fittings and tools.

Repairing a leaky or damaged fuel line no longer requires replacing the entire run or waiting for specialty parts. This comprehensive kit bundles barbed straight and elbow connectors, a precision cutter, an ergonomic clamp-style crimping tool, and a clamp-block joining system so you can restore fuel-line integrity quickly. Every component is engineered for common automotive nylon tubing and supported by Dorman's U.S.-based design and quality team.

How does this kit simplify fuel line repairs?

The 104-piece assortment groups the most commonly needed fittings and tools so you can address most fuel line breaks in one visit. The included clamp-block design makes it straightforward to join nylon tubing to nylon barbed fittings without guesswork, and the cutter ensures clean, square ends for reliable connections.

• Complete selection of straight and elbow barbed connectors for common runs
• Ergonomic clamp-type crimper reduces hand fatigue and ensures firm clamps
• Precision cutter produces clean tube ends for leak-free joins
• Clamp-block holds parts aligned for consistent crimps

What tools and fittings are included with the 104 pieces?

The kit contains a mix of nylon fittings, stainless or corrosion-resistant clamps, a dedicated cutter, and a clamp-style crimping tool designed for repeated use. This assortment is intended to cover most minor to moderate fuel-line repairs where nylon tubing is used.

• Straight barbed connectors for inline splices
• Elbow barbed connectors for routed or tight spaces
• High-quality cutter sized for nylon tubing diameters
• Clamp-block and ergonomic crimper for secure fastening

Will this kit work on different vehicles and tubing sizes?

Yes — the Dorman 800-300 is built as a universal repair kit aimed at common nylon fuel-line applications across many vehicle makes. The varied connector and clamp sizes in the 104-piece assortment cover popular tubing diameters, but confirm fitment with your specific line size before starting the repair.

• Universal fit components for common nylon line diameters
• Multiple connector types to match routing and bend needs
• Recommended to verify tubing outer diameter for best fit
• Ideal for in-garage or mobile repair use

How durable and reliable are the kit’s parts?

Components are designed for automotive service life and to resist typical under-hood conditions; clamps and fittings provide secure, vibration-resistant joints when installed correctly. Dorman backs the product with U.S.-based engineering oversight and quality control to help ensure consistent performance.

• Corrosion-resistant clamps for long-term service
• Precision-molded nylon fittings for consistent fit
• Robust cutter and crimper for repeated use
• Quality control and engineering support from Dorman in the United States

Who is this for? The Dorman 800-300 kit is suited to DIY mechanics, professional technicians, and fleet maintenance personnel who prefer repairing a damaged section of nylon fuel line instead of replacing entire assemblies. If you encounter common fuel-line leaks, chafing, or need a quick splice while on the road, this universal 104-piece set supplies the tools and fittings to complete the job efficiently, with parts and workmanship supported by Dorman's engineering team.