Hitachi GLP2105 Diesel Glow Plug Relay

Hitachi GLP2105 Diesel Glow Plug Relay

The Hitachi GLP2105 diesel glow plug relay helps manage glow plug operation in cold-start conditions and under demanding underhood temperatures. Built with quality components, it is a direct-fit electrical control part for select Volkswagen diesel applications.

Key Features

• Diesel glow plug relay for emission control and cold-start system operation
• Built to withstand extreme temperatures and harsh underhood conditions
• OE-style replacement for select Volkswagen diesel models
• Hitachi part number GLP2105 for easy identification
• Cross-references Monroe Shocks & Struts 132105 and 038907281C for the same application

Detailed Description

The Hitachi GLP2105 is a diesel glow plug relay used to control power delivery to the glow plug system, helping support reliable ignition during cold starts. It is compatible with select 2004-2006 Volkswagen Beetle, Golf, Jetta, and Passat diesel applications, including 2005-2006 Volkswagen Beetle, 2005-2006 Volkswagen Golf from chassis 54033908, 2005 Volkswagen Jetta to VIN 9M-5-149 999, 2004-2005 Volkswagen Passat, 2004 Volkswagen Beetle from VIN 1C-4-400 001, and 2004 Volkswagen Jetta. The GLP2105 is a practical replacement when the original relay no longer provides consistent glow plug control.

What It Helps Address

• Hard starting in cold weather
• Glow plug circuit relay failure
• Intermittent glow plug operation
• Extended cranking during diesel startup
• Electrical issues tied to worn underhood relay components

Installation Notes and Tips

Verify the vehicle’s year, model, chassis break, and VIN notes before ordering. For fitment accuracy, match the existing relay part number and confirm the application against the vehicle’s diesel glow plug system. Fits 2005-2006 Volkswagen Beetle, N/A; Fits 2005-2006 Volkswagen Golf, N/A; Fits 2005 Volkswagen Jetta, N/A; Fits 2004-2005 Volkswagen Passat, N/A; Fits 2004 Volkswagen Beetle, N/A; Fits 2004 Volkswagen Jetta, N/A.

Quality Assurance

Hitachi builds this relay with quality components for use in extreme temperatures and adverse underhood conditions. The GLP2105 is a dependable OE-style electrical replacement for Volkswagen diesel glow plug relay service.