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Leyland Tractors

12H242 - Oil pump (1500 engine)

  • Brand: Leyland Tractors
  • Condition: New
  • Part Number: 12H242
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£109.75 exc VAT

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12H242 Engine Oil Pump for BMC 1500 Diesel Engines

Quality replacement engine oil pump for the BMC 1500cc diesel engine, suitable for Nuffield, Leyland and marine applications.

The oil pump is responsible for circulating engine oil under pressure to lubricate the crankshaft, camshaft, bearings and other vital engine components. Replacing a worn oil pump helps maintain correct oil pressure and provides essential protection against premature engine wear.

Important Information

  • Suitable for BMC 1500cc diesel engines
  • You must check that your existing oil pump has an overall depth of 41mm before ordering, as shown in the second product image.
  • Suitable for tractor and marine engine applications.

Technical Specification

  • Overall depth: 41mm
  • Maximum rotor lobe clearance: 0.006" (0.152mm). Outside this tolerance a new oil pump must be fitted. 

Fitted to the following tractor models:

Nuffield Tractors

  • Nuffield 4/25

Leyland Tractors

  • Leyland 154

Fitted to the following engine applications:

  • BMC 1500-based diesel marine engine
  • Thornycroft 90
  • Thornycroft 90/2

Features

  • Quality replacement engine oil pump
  • Precision manufactured for reliable oil delivery
  • Helps maintain correct engine oil pressure
  • Direct replacement for the original pump
  • Suitable for engine rebuilds, repairs and restorations

Additional Information

The engine oil pump is one of the most important components within the lubrication system. As internal wear increases, the pump's ability to maintain the correct oil pressure can be reduced, potentially leading to accelerated engine wear.

Before ordering, it is essential to measure the depth of your existing oil pump and confirm it is 41mm, as different versions were fitted to BMC engines during production.

When rebuilding an engine, we also recommend inspecting the oil pickup, pressure relief valve and bearings to ensure the lubrication system is operating correctly.

Ideal for customers searching for 12H242 oil pump, BMC 1500 oil pump, Leyland 154 oil pump, Nuffield 4/25 oil pump, Thornycroft 90 oil pump, Thornycroft 90/2 oil pump, marine diesel oil pump and classic 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.



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