Dorman 800-437 12mm Nylon Fuel Vapor Connector Straight to 3/8 In. Barbed

The Dorman 800-437 is a straight fuel vapor line connector designed to join a 12mm metric fitting on one end to a 3/8 inch barbed fitting on the other. This connector is an ideal solution for repairing or replacing damaged, cracked, or deteriorated fuel vapor line connections without replacing the entire fuel line assembly.

Constructed from durable nylon, this connector resists the corrosive effects of fuel vapors, heat, and engine bay chemicals, ensuring a long-lasting, leak-free seal. The straight configuration provides a clean, direct connection suitable for tight spaces and straightforward routing applications.

Key Features:

• Straight-style connector for direct in-line applications
• 12mm metric inlet connects to standard 3/8 in. barbed outlet
• Nylon construction resists fuel vapors, heat, and automotive chemicals
• Designed for fuel vapor (evaporative emission / EVAP) line repair
• OE-style fit for a straightforward, professional installation
• Dorman OE FIX quality — engineered to meet or exceed original equipment standards

The Dorman 800-437 is part of Dorman's extensive line of fuel and vapor line connectors, making it easy to restore proper EVAP system function and maintain emissions compliance without costly dealership repairs.