JP GROUP/LPR Wheel Cylinder - MPN: 4912
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AutodocLPR Brake Cylinder VW,AUDI,SKODA 4912 171698051A,309611051,3096110511 Wheel Cylinder,Brake Wheel Cylinder,Wheel Brake Cylinder 309611053,3096110531
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Product Information
Full details
This JP GROUP/LPR Wheel Cylinder (MPN: 4912) is designed for owners of compatible VW, Audi, and Skoda vehicles needing a reliable rear axle brake component. Its primary benefit is restoring optimal braking performance with a durable grey cast iron construction. A key consideration is the need to verify specific vehicle fitment using VIN ranges and PR numbers before purchase. This wheel cylinder is engineered for vehicles with drum brakes on the rear axle and can function with or without ABS, and with brake force regulators.
All features
| Model Part Number | 4912 |
|---|---|
| Brand | JP GROUP/LPR |
Extended Product Information
FAQs
What material is the JP GROUP/LPR Wheel Cylinder made of?
This wheel cylinder is constructed from grey cast iron, known for its durability and heat resistance.
Is this wheel cylinder suitable for all vehicle brake systems?
No, it is specifically designed for the rear axle of vehicles equipped with drum brakes. It is compatible with or without ABS and brake force regulators on those specific models.
How do I confirm if this part fits my car?
You must verify compatibility using your vehicle's VIN range and PR numbers against the manufacturer's specifications for models like VW Golf, Audi A2, Skoda Citigo, etc. Comparing OE part numbers is also recommended.
What are the key dimensions of this wheel cylinder?
It has a thread size of 10 x 1, a fastening hole spacing of 21mm, and a piston diameter of 17.46mm.
Do I need to bleed the brakes after installing this part?
Yes, bleeding the brake system is a mandatory step after replacing a wheel cylinder to ensure proper hydraulic function and remove any air.
What does MPN 4912 signify?
MPN stands for Manufacturer Part Number. 4912 is the unique identifier assigned by JP GROUP/LPR to this specific wheel cylinder model.
Can I use this on the front axle?
No, this wheel cylinder is designed exclusively for the rear axle drum brake systems of compatible vehicles.
Troubleshooting
Brake fluid leak from the wheel cylinder
The seals within the wheel cylinder have failed. The wheel cylinder needs to be replaced immediately.
Reduced braking power on rear axle
Check for leaks at the wheel cylinder. If none, inspect brake shoes, drum, and brake lines. The wheel cylinder may be internally damaged or seized.
Spongy brake pedal after installation
The brake system was not bled properly after installation. Re-bleed the brake system to remove all air.
Brake drum difficult to remove or install
Ensure the wheel cylinder pistons are fully retracted. If not, there may be an issue with the brake shoes or the cylinder itself. Check for seized components.
Pros and Cons
Pros
- Constructed from robust grey cast iron for longevity.
- Designed for precise integration with specific vehicle brake systems.
- Compatible with a broad spectrum of VW, Audi, and Skoda models.
- Suitable for various brake configurations (ABS, brake force regulators).
Cons
- Requires careful verification of vehicle compatibility.
- Replacement of wheel cylinders typically requires bleeding the brake system.
- Not a universal part; specific to certain vehicle models and rear axle setups.
Setup, Compatibility & Care Instructions
Setup:
Installation of a wheel cylinder is part of a brake system repair and should ideally be performed by a qualified mechanic. The process typically involves:
- Safely lifting and securing the vehicle.
- Removing the wheel and brake drum.
- Disconnecting brake lines and carefully removing the old wheel cylinder.
- Installing the new JP GROUP/LPR Wheel Cylinder, ensuring seals are properly seated.
- Reconnecting brake lines.
- Bleeding the brake system thoroughly to remove air.
- Reinstalling the brake drum and wheel.
Compatibility:
- Crucial Step: Always verify compatibility with your specific vehicle before purchasing. Check that your vehicle is listed within the compatible models (VW Golf, Scirocco, Polo, Audi 80, A2, 100, Skoda Citigo, etc.).
- Brake System: This cylinder is for vehicles with drum brakes on the rear axle.
- ABS/Regulators: It can be used in systems with or without ABS and with brake force regulators.
- VIN and PR Numbers: For definitive confirmation, consult your vehicle's VIN range and PR numbers against the manufacturer's specifications or a parts specialist.
- Cross-References: Compare with part numbers like 171698051A, 309611051, and 331698053.
Care:
Wheel cylinders are sealed components and do not require routine user maintenance. However, regular brake system inspections are recommended. Keep the area around the brake components clean during installation. If brake fluid leaks are observed around the wheel cylinder, it indicates a seal failure and requires immediate replacement.