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Nuffield Tractors

86K145 - Exhaust valve guide

  • Brand: Nuffield Tractors
  • Condition: New
  • Part Number: 86K145
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£4.90 exc VAT

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86K145 Exhaust Valve Guide for BMC and Leyland Engines

Quality replacement exhaust valve guide suitable for a wide range of BMC and Leyland diesel engines.

The exhaust valve guide supports the exhaust valve as it moves within the cylinder head, ensuring accurate valve alignment and smooth operation. Replacing worn valve guides helps reduce valve movement, improve sealing and contribute to long engine life.

We also offer a professional BMC and Leyland cylinder head reconditioning service. If you would like us to rebuild your cylinder head, please contact us for further details.

Important Information

  • Suitable for BMC 2.6, 2.8, 3.4, 3.8, 5.1 and 5.7 litre engines
  • Suitable for early Leyland 4/98 and 6/98 engines
  • Late Leyland 4/98 and 6/98 engines are fitted with valve guide UAJ1009 – please check before ordering.
  • Supersedes CMK206 and CMK1477 on all BMC engine applications.
  • Also listed as JCB part numbers 02/300502 and 988/00048.

If you are unsure which valve guide your engine requires, please contact us with your engine serial number before ordering.

Technical Specification

  • Overall length: 82mm (3ΒΌ")

Fitted to the following engine models:

BMC Engines

  • BMC 2.6
  • BMC 2.8
  • BMC 3.4
  • BMC 3.8
  • BMC 5.1
  • BMC 5.7

Leyland Engines

  • Early Leyland 4/98
  • Early Leyland 6/98

Associated Parts

Features

  • Quality replacement exhaust valve guide
  • Correct 82mm overall length
  • Direct replacement for CMK206 and CMK1477 on BMC engines
  • Also referenced as JCB part numbers 02/300502 and 988/00048
  • Precision manufactured for accurate valve alignment
  • Ideal for cylinder head repairs, engine rebuilds and restoration projects

Additional Information

Exhaust valve guides operate under extremely high temperatures and naturally wear over time. Excessive wear can allow the valve to move within the guide, affecting valve sealing and engine performance. Replacing worn guides during a cylinder head overhaul helps restore correct valve operation and prolong engine life.

Ideal for customers searching for 86K145 exhaust valve guide, CMK206 valve guide, CMK1477 valve guide, BMC exhaust valve guide, Leyland 4/98 valve guide, Leyland 6/98 valve guide, JCB 02/300502, JCB 988/00048, cylinder head valve guide and vintage tractor engine parts.

We specialise in quality parts for Nuffield, Leyland and Marshall tractors and aim to supply reliable tractor spare parts that fit correctly and perform reliably.

Original equipment manufacturers names and parts numbers are quoted for reference purposes only and are not intended to suggest that our replacement parts are made by the original equipment manufacturer.

Product images are for illustrative purposes only and may not always be an exact representation of the product.

Note:

We offer BMC & Leyland cylinder head reconditioning services, please contact us for details.



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