Description
This Fuel Tool MC400 + MC300 Combo Kit gives Harley‑Davidson owners everything needed to service and rebuild the fuel check valve without removing the fuel tank. Instead of replacing the entire check valve and fuel line assembly, this kit allows you to quickly rebuild the valve using high‑quality components and the industry’s only dedicated installation tool.
The MC400 Check Valve Tool enables fast, professional removal and installation of check‑valve O‑rings and rebuild components directly on the motorcycle. The MC300 Rebuild Kit includes premium Dupont Viton® O‑rings, a solid nickel‑plated brass valve, and a stainless‑steel spring — all engineered for long‑term durability and leak‑free performance.
This combo saves significant time and money, especially on late‑model Harley‑Davidsons where the OEM check valve and fuel line assemblies are expensive and often backordered. Proudly Made in the USA, this is the industry’s first and only complete check‑valve rebuild solution.
🔧 Features & Benefits
MC400 – Check Valve Tool
• Allows removal and replacement of check‑valve O‑rings without removing the fuel tank
• Designed for use with MC200/MC200‑5 O‑rings and MC300 rebuild kits
• Professional‑grade construction
• Saves time and labor
• Industry’s first and only dedicated check‑valve rebuild tool
• Fits 2001–2025 Harley‑Davidson models (except V‑Rod)
MC300 – Check Valve Rebuild Kit
• Rebuilds the leaking check valve instead of replacing the entire assembly
• Includes:
• Dupont Viton® O‑rings
• Nickel‑plated brass valve
• Stainless‑steel spring
• Long‑lasting, high‑quality components
• Fast, easy installation when paired with the MC400 tool
• Made in the USA
• Fits 2001–2025 Harley‑Davidson models (except V‑Rod)
Notes
• O‑rings and rebuild kit are included in this combo
• Eliminates the need to replace expensive OEM check‑valve assemblies
• Ideal for shops, technicians, and DIY riders
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