12H2689 BUSH. Rocker cover Sealing Bush for Nuffield 4/25 and Leyland 154 tractors.

Two of these oval shaped bushes fitted to the top of the rocker cover.
Dimensions: 1¹/₄” inch by 1″ inch by ¹/₂” inch.

Fitted to engines;

BMC 1500cc diesel engines
BMC 1622cc petrol engines
Thornycroft T90 marine engines.

See item number 22 in the parts diagram. 

Fitted to tractors:

• Nuffield 4/25
• Leyland 154