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Hitachi GLP2104 Diesel Glow Plug Relay
Reliable Diesel Glow Plug Relay for Volkswagen Vehicles
The Hitachi GLP2104 diesel glow plug relay is designed to ensure efficient glow plug operation in select Volkswagen models. This relay supports the proper functioning of the glow plugs, which are essential for cold starts in diesel engines.
- Manufacturer: Hitachi
- Part Number: GLP2104
- Category: Emission Control > Relays
- Compatible with Volkswagen Beetle, Golf, and Jetta diesel models
- Ensures reliable glow plug circuit control
Product Details and Specifications
The Hitachi GLP2104 diesel glow plug relay is engineered to meet the specific electrical requirements of Volkswagen diesel engines. This relay controls the power supply to the glow plugs, allowing them to heat up quickly and maintain the necessary temperature for optimal engine starting performance. Designed with precision, the GLP2104 supports emission control by enabling efficient combustion during cold starts. Its compatibility with Volkswagen Beetle, Golf, and Jetta models ensures a proper fit and function within these vehicles' diesel systems.
Applications and Problem Resolution
This diesel glow plug relay is used primarily in the glow plug circuit of Volkswagen diesel engines. It addresses several common issues, including:
- Difficulty starting the engine in cold weather
- Glow plug circuit failure or intermittent operation
- Extended glow plug activation times
- Engine misfires related to glow plug malfunction
- Emission control system irregularities due to faulty relay
Installation Notes and Tips
When installing the Hitachi GLP2104 relay, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify compatibility with your Volkswagen Beetle, Golf, or Jetta diesel model before installation. Properly secure the relay in its designated socket and check all electrical connections for corrosion or damage. After installation, test the glow plug system to confirm correct operation.
Quality Assurance and Warranty
Hitachi manufactures the GLP2104 diesel glow plug relay to meet stringent quality standards. While specific warranty details are not provided here, Hitachi products typically undergo rigorous testing to ensure durability and reliable performance in emission control applications.
| Brand | Hitachi |
| Part Number | GLP2104 |
| Manufacturer | Hitachi |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 2005 | Volkswagen | Golf | TDI | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order; To Chassis/VIN 1J-54033 907 |
| 2005 | Volkswagen | Jetta | GLS TDI | Wagon | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2005 | Volkswagen | Jetta | GL TDI | Wagon | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2004 | Volkswagen | Golf | GLS TDI | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2004 | Volkswagen | Golf | GL TDI | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2004 | Volkswagen | Jetta | TDI | Wagon | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Beetle | GLS | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Beetle | GLS | Convertible | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Beetle | GL | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Beetle | GL | Convertible | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Golf | GLS | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Golf | GL | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Jetta | TDI | Wagon | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2003 | Volkswagen | Jetta | TDI | Sedan | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Beetle | Sport | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Beetle | GLS | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Beetle | GL | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Golf | GLS | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Golf | GL | Hatchback | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Jetta | TDI | Wagon | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
| 2002 | Volkswagen | Jetta | TDI | Sedan | 1.9L | L4 | DIESEL | N/A | Availability: Available to Order |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.