Dorman 904-090 Diesel Glow Plug Wiring Harness

Reliable Diesel Glow Plug Wiring Harness for Volkswagen Golf and Jetta

The Dorman 904-090 Diesel Glow Plug Wiring Harness is designed specifically for Volkswagen Golf and Jetta diesel models. This harness ensures consistent electrical connectivity for your vehicle's glow plugs, supporting efficient cold starts and engine performance.

Key Features of the Dorman 904-090 Wiring Harness

• Length: 63 inches for optimal routing and fitment
• Color: Black cable jacket and boots for a clean, factory look
• Conductor Material: High-quality copper wire core for reliable conductivity
• Boot Material: Durable rubber and EPDM rubber distributor boots for heat and chemical resistance
• Wire Gauge: 16 AWG wire gauge ensures proper current flow
• Terminal Type: Male blade terminals made of copper/steel for secure connections
• Specific Fit: Designed exclusively for Volkswagen Golf and Jetta diesel models

Detailed Product Description

The Dorman 904-090 Diesel Glow Plug Wiring Harness is engineered to meet the exact specifications required by Volkswagen Golf and Jetta diesel engines. Featuring four copper wire cores with a 16 AWG gauge, this harness delivers consistent electrical current to the glow plugs, essential for cold engine starts. The black plastic cable jacket and rubber boots provide protection against heat, oil, and environmental factors, while the EPDM rubber distributor boots enhance durability and maintain a secure connection. The male blade terminals constructed from copper and steel ensure a reliable and corrosion-resistant interface with the vehicle’s ignition system.

Common Applications and Issues Addressed

• Restores proper electrical flow to diesel glow plugs
• Eliminates intermittent glow plug failures and misfires
• Prevents cold start difficulties in Volkswagen Golf and Jetta diesel engines
• Replaces worn or damaged wiring harnesses to maintain engine performance
• Helps avoid electrical shorts and corrosion-related issues

Installation Notes and Tips

• Ensure vehicle ignition is off before installation
• Verify compatibility with Volkswagen Golf and Jetta diesel models prior to installation
• Route the harness carefully to avoid contact with hot engine components
• Secure all connections firmly to prevent electrical resistance or disconnection
• Inspect related glow plug terminals and connectors for wear during replacement

Quality Assurance and Warranty Information

Dorman manufactures the 904-090 Diesel Glow Plug Wiring Harness to meet or exceed OEM standards for fit, form, and function. The harness undergoes rigorous quality control to ensure durability and reliable performance in demanding diesel engine environments. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.