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REINZ Valve Stem Seal Set - 12-37281-01

REINZ Valve Stem Seal Set - 12-37281-01

The REINZ Valve Stem Seal Set (MPN: 12-37281-01) is designed to provide a secure and precise seal ...

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VICTOR REINZ 12-37281-01 Seal Set, valve stem for ALPINA,BMW,BMW (BRILLIANCE)

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eBayVICTOR REINZ 12-37281-01 Seal Set, valve stem for ALPINA,BMW,BMW (BRILLIANCE)
£5.90 delivery
£19.84
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AutodocREINZ Seal Set, valve stem BMW,ALPINA 12-37281-01 11340029751,11340039494,11340054492 1134750541716x
£8.45 delivery
£21.09
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Product Information

Full details

The REINZ Valve Stem Seal Set (12-37281-01) is an essential engine maintenance component designed for DIY enthusiasts and professional mechanics working on BMW and ALPINA vehicle engines. This set provides a high-precision, secure seal that effectively prevents oil leakage in the valve area, thereby maintaining overall engine integrity and performance. While this product offers excellent durability and reliability, it requires significant mechanical knowledge and specialized tooling to install correctly, making it unsuitable for inexperienced novices.

All features

Model Part Number12-37281-01
BrandREINZ

Extended Product Information

FAQs

Are these seals suitable for both intake and exhaust valves?

Yes, the REINZ 12-37281-01 set is designed to be compatible with both intake and exhaust sides.

Do I need special tools to install these?

Yes, you will require a valve spring compressor and a valve stem seal installation driver appropriate for your specific valve diameter.

Can I reuse these seals if I remove the cylinder head?

No. Once valve stem seals are removed, they should always be replaced with a new set to ensure a proper, leak-free seal.

How do I know if my seals are failing?

Common symptoms include blue smoke from the exhaust during engine start-up or visible oil consumption without external leaks.

Does this set include seals for all valves?

Please verify the quantity in your specific kit against your engine's total valve count, as some sets cover specific banks or head configurations.

Troubleshooting

Excessive smoke from exhaust after installation

Verify that the seal was not damaged during the installation process and that it is fully seated on the valve guide.

Difficulty seating the seal

Ensure you are using the correct diameter driver tool and that the valve guide surface is free of any burrs or sharp edges.

Pros and Cons

Pros

  • High-quality materials ensure long-term reliability
  • Prevents internal oil leakage and consumption
  • Ensures engine compression consistency
  • Specifically designed for BMW and ALPINA engine architectures

Cons

  • Installation requires professional-level mechanical experience
  • Requires specialized valve spring removal tools
  • Labor-intensive procedure involving cylinder head access

Setup, Compatibility & Care

This product is compatible with select BMW and ALPINA engine models. Before installation, confirm the specific engine code and chassis compatibility using your vehicle's service manual or parts catalog.

Installation Guidance:

  1. Ensure the cylinder head is clean and free of debris.
  2. Use a dedicated valve stem seal installation tool to avoid damaging the rubber lip of the new seal.
  3. Lightly lubricate the seal with clean engine oil before installation to ensure smooth seating.

Care Instructions:

  • Keep seals stored in their original packaging until the moment of installation to prevent contamination from dust or grit.
  • Avoid using harsh solvents when cleaning the cylinder head near the valve guides, as these can degrade the rubber compounds of the new seals over time.

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