Fuel‑Tool MC600 Fuel Line O‑Ring 5‑Pack – Viton® Replacement O‑Rings for Harley EFI (2001–2026)

OVERVIEW

The Fuel‑Tool MC600 replacement o‑ring pack delivers a dependable sealing upgrade for aging or damaged electronic fuel injection line connections. Constructed from high‑grade synthetic elastomer, this five‑piece set matches factory dimensions while providing a durable barrier against modern fuel blends. Designed specifically for 2001–2026 fuel‑injected Harley‑Davidson touring, softail, and sportster platforms, it restores factory performance without requiring full system replacements.

ENGINEERING & PERFORMANCE

Dupont Viton® construction provides exceptional chemical stability against ethanol, gasoline, and hydrocarbon exposure under prolonged heat cycling. The precisely molded cross‑sections maintain consistent compression force, eliminating microscopic gaps that lead to seepage or vapor lock. Installed components align with direct OE mounting points, allowing mechanics to revert custom or worn fuel lines back to leak‑free operational standards.

KEY FEATURES

• Five replacement viton® o‑rings engineered for Fuel‑Tool fuel line rebuild kits
• High‑temperature, fuel‑resistant dupont viton® polymer construction
• Precise dimensional tolerances restore factory sealing pressure
• Prevents fuel seepage and eliminates vapor loss across hot engine bays
• Includes ready‑use qty. of 5 units per package
• Made in the usa for consistent quality control
• Directly replaces degraded stock seals on efi motorcycle fuel circuits
• Compatible with all 2001–2026 fuel‑injected harley‑davidson chassis

TECHNICAL SPECIFICATIONS

• Brand: Fuel‑Tool
• Part Name: MC600 Fuel Line O‑Ring 5‑Pack
• Part Type: Fuel System Hardware
• Material: Dupont Viton®
• Supported Years: 2001–2026
• Compatible Harleys Trims: Touring, Softail, Sportster (EFI models; excludes V‑Rod)

FITMENT

• Harley Touring (2001–2026)
• Harley Softail (2001–2026)
• Harley Sportster (2001–2026)

WHY HARLEY RIDERS CHOOSE THIS

Mechanics select the MC600 pack because Dupont Viton® consistently outlasts standard nitrile seals in high‑heat electronic fuel environments. The precise molding eliminates guesswork during fluid line servicing, cutting labor time while protecting expensive intake components from corrosive ethanol damage. Because the geometry mirrors original equipment specifications, riders and builders can trust these seals to maintain steady injector flow and prevent hazardous drips without compromising factory handling characteristics.