Description
The Fuel Tool MC300 Check Valve Rebuild Kit allows you to repair a leaking Harley‑Davidson fuel check valve without replacing the entire fuel line assembly. This kit includes premium components engineered to restore proper sealing, fuel pressure retention, and long‑term reliability.
Instead of purchasing an expensive OEM check valve and fuel line, the MC300 gives you a fast, cost‑effective solution using high‑quality Dupont Viton® O‑rings, a nickel‑plated brass valve, and a stainless‑steel spring. When paired with the Fuel Tool MC400 installation tool (sold separately), the rebuild can be performed without removing the fuel tank.
Proudly Made in the USA, this is the industry’s first and only dedicated Harley check‑valve rebuild kit.
🔧 Features & Benefits
• Complete check valve rebuild kit
• Replaces leaking or failing Harley check valves
• Eliminates the need to replace the entire fuel line assembly
• Dupont Viton® O‑rings for superior fuel and ethanol resistance
• Solid nickel‑plated brass valve for long‑term durability
• Stainless‑steel spring maintains proper valve tension
• Works with the MC400 installation tool for tank‑on service
• Industry’s first and only Harley check‑valve rebuild solution
• Made in the USA
• Fits 2001–2025 Harley‑Davidson models (except V‑Rod)
📘 Notes
• MC400 installation tool is recommended for easiest installation (sold separately)
• Rebuild kit replaces O‑rings and internal valve components
• Designed for EFI Harley‑Davidson motorcycles
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