37D442 THIMBLE.

BMC and Leyland inlet valve thimble.  This thimble holds the anti-rotation key in posistion to stop the masked inlet valve from turning.

Note the mask is to swirl the incoming air used on Nuffield.

See item number 18 in the illustration.

Compatible with the following engines:

• Leyland 4/98DT up to engine serial number 13804
• Leyland 4/98NT up to engine serial number 83027
• All BMC 3.8 engines
• BMC 3.4 from serial number 18824
• All BMC 2.8 engines

Fitted to tractors:

• Nuffield Universal Three (3DL), Nuffield Universal Four (4DM)
• Nuffield 342, 460, 10/42, 10/60, 3/45, 4/65
• Leyland 344, 384, 255, 270, 262, 272, 462, 472, 602, 604, 702, 704
• Marshall 602, 604, 702, 704