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Bosch Fuel Pressure Regulator - 0438170040

Bosch Fuel Pressure Regulator - 0438170040

Bosch Fuel Pressure Regulator 0438170040 - Built to OE Specifications & Quality. This regulator is...

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eBayFuel pressure accumulator 0 438 170 040 BOSCH for AUDI VW
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£147.89
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AutodocBOSCH Pressure Tank, fuel supply VW,AUDI 0 438 170 040 431133441D,1637306,84AB9K044AA 431133441D
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Product Information

Full details

This guide provides essential information for users of the Bosch Fuel Pressure Regulator 0438170040, specifically designed for VW Golf models from 1983 to 1985 and compatible Audi/VW models. It ensures optimal fuel pressure for improved engine performance. However, proper installation and regular maintenance are crucial for optimal function. This guide covers key features, performance, setup, troubleshooting, and frequently asked questions to help you effectively use and maintain your fuel pressure regulator.

All features

Model Part Number0438170040
BrandBosch

Extended Product Information

FAQs

What is the operating pressure of this fuel pressure regulator?

The fuel pressure regulator operates at pressures up to 1.8 bar.

What vehicles is this fuel pressure regulator compatible with?

It is compatible with VW Golf I (1983-1985), Scirocco, Corrado, Passat, and Audi 80.

Is this a direct replacement part?

Yes, it replaces Bosch part number 0 438 170 051 and is equivalent to OEM numbers 431133441D (VW/Audi) and 1637306, 84AB9K044AA (Ford).

What materials is this fuel pressure regulator made from?

It is constructed from sheet steel with a chrome-(VI)-free passivation and zinc coating.

What are the thread sizes?

The connecting threads are M16x1.5 and M14x1.5.

Where is this part shipped from?

This part is shipped from UK stock.

What is the return policy?

There is a 60-day return policy.

What should I do if my engine is hard to start after installing this regulator?

Check fuel pressure and ensure the fuel pump and lines are functioning correctly. Refer to the troubleshooting section for more detailed guidance.

Troubleshooting

Engine hard to start or won't start.

Check fuel pressure; a faulty regulator may be the cause. Verify fuel pump operation and fuel line integrity.

Rough idling or engine misfires.

Inspect the fuel pressure regulator for proper function. Check for vacuum leaks and ensure the regulator's connections are secure.

Reduced fuel efficiency.

Check the fuel pressure regulator for leaks or a drop in pressure. Examine for any fuel line obstructions.

Fuel leaks.

Inspect the regulator and fuel lines for any visible leaks. Tighten connections or replace damaged components. Ensure proper installation and thread sealing.

Pros and Cons

Pros

  • Improved engine performance and fuel efficiency.
  • Durable construction ensures long-lasting use.
  • Direct fit for specific Audi and VW models.
  • Meets OE specifications for reliable performance.
  • Easy installation due to direct replacement design.

Cons

  • Specific compatibility limited to certain Audi and VW models.
  • Requires professional installation for optimal results.
  • May require additional components depending on the vehicle's condition.
  • Potential for fuel leaks if not installed correctly.
  • Performance impact if not properly maintained.

Setup, Compatibility & Care

Setup:

  1. Professional Installation: It is highly recommended that a qualified mechanic install the fuel pressure regulator.
  2. Compatibility Check: Verify that the part is compatible with your vehicle's make, model, and year before installation.
  3. Thread Connections: Ensure that the M16x1.5 and M14x1.5 threads are securely connected without leaks.

Compatibility:

  • VW Golf I (1983-1985)
  • VW Scirocco
  • VW Corrado
  • VW Passat
  • Audi 80

Care:

  • Regular Inspections: Periodically inspect the fuel lines and regulator for leaks or damage.
  • Fuel Filter Maintenance: Replace the fuel filter at recommended intervals to prevent clogging and maintain optimal performance.
  • Professional Servicing: Have a mechanic inspect the fuel system regularly to catch potential issues early.

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