SKU: 0280158040 / UPC: 4047023028419
Bosch Injection Valve (Solenoid) for 1998–2004 Volkswagen Jetta, Golf & New Beetle 1.9L TDI (ALH Engine)
The Bosch Injection Valve is the genuine OEM solenoid valve for the VP37 distributor injection pump used in 1998–2004 Volkswagen Jetta, Golf, and New Beetle models equipped with the 1.9L TDI ALH engine.
This precision component controls fuel timing and delivery volume with factory accuracy, ensuring smooth operation, consistent power delivery, and optimal fuel economy. As the original equipment part, it provides reliable performance and exact fitment for the VP37 pump.
Key Features
- Genuine Bosch Engineering – Manufactured to original equipment specifications for seamless integration and long-term reliability
- Precision Solenoid Design – Accurately controls injection timing and fuel volume for optimal combustion and performance
- High-Quality Construction – Built with durable materials to withstand diesel fuel, heat, and high pressure
- Direct Replacement – Bolts directly into the VP37 pump with no modifications required
- Improved Engine Stability – Helps reduce misfires, rough idling, and inconsistent throttle response
Specifications
| Detail | Value |
|---|---|
| Brand | Bosch |
| Type | Injection Valve / Solenoid (for VP37 Pump) |
| Compatibility | 1998–2004 VW Jetta, Golf, New Beetle 1.9L TDI (ALH Engine) |
| Material | High-Strength Steel with Fuel-Resistant Seals |
| Country of Origin | Germany |
| Warranty | Bosch Limited Warranty |
Whats Included
- Bosch Injection Valve (Solenoid)
- Installation Hardware (if applicable)
Product Notes
- Confirm engine code is ALH before purchasing
- Special puller tool is typically required to remove the old solenoid from the VP37 pump
- Professional installation is strongly recommended
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 1999–2004 | Volkswagen | Jetta GLS TDI | 1.9L TDI (ALH) | VP37 Pump |
| 1999–2004 | Volkswagen | Golf GLS TDI | 1.9L TDI (ALH) | VP37 Pump |
| 1998–2003 | Volkswagen | New Beetle GLS TDI | 1.9L TDI (ALH) | VP37 Pump |
| 2001–2003 | Volkswagen | New Beetle Convertible GLS TDI | 1.9L TDI (ALH) | VP37 Pump |
Why Choose Bosch?
- Original inventor of automotive fuel injection systems
- Trusted OEM supplier to Volkswagen for decades
- Manufactured in Germany to exacting OE standards
- Proven reliability in high-pressure diesel applications
Frequently Asked Questions
- Q: Will this fit my 2003 Volkswagen Jetta TDI with the ALH engine?
- A: Yes, this is the correct OEM injection valve for all 1999–2004 Jetta TDI models with the ALH 1.9L engine.
- Q: Do I need any special tools to install this?
- A: Yes. A special puller tool is usually required to safely remove the old solenoid from the VP37 pump.
- Q: Is this a genuine Bosch part?
- A: Yes. This is the original Bosch OEM injection valve (not an aftermarket copy).
- Q: Should I replace anything else when installing this valve?
- A: It is recommended to inspect the injection pump, fuel lines, and seals during replacement for overall system health.
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock – ships same or next business day
- Packaging: Secure OEM-style box (5″ x 3″ x 2″)
- Weight: 0.22 lbs
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