37D441 KEY.  Inlet valve Woodruff key. 

This key is a half moon shaped anti-rotation key for the inlet valve and fits between 37D442 THIMBLE and 37D443 DOWEL.

Can be used in place of the oval key, part number AMK1570.

Precision made in UK.

See item 20 in the illustration.

Compatible with the following BMC Leyland engines:

• BMC 2.6T/TA, 3-Cylinder Diesel Engine 
• BMC 3.4T/TA/TD, 4-Cylinder Diesel Engine (from engine number 13324)
• BMC 2.8T/TD, 3-Cylinder Diesel Engine
• BMC 3.8T/TA/TD, 4-Cylinder Diesel Engine (from engine number 58396)
• BMC 5.1, 6-Cylinder Diesel Engine
• BMC 5.7, 6-Cylinder Diesel Engine
• Leyland 4/98NT, 4-Cylinder Diesel Engine (up to engine number 83027)
• Leyland 4/98DT, 4-Cylinder Diesel Engine (up to engine number 13804)
• Leyland 6/98NT/DT, 6-Cylinder Diesel Engine

Fitted to tractors and machinery:

• Nuffield Universal Three (3DL), Universal Four (4DM)
• Nuffield – 342, 460, 10/42, 10/60, 3/45, 4/65
• Leyland – 344, 384, 255, 270, 262, 272, 462, 472
• Leyland – 602, 604, 702, 704
• Leyland – 285, 2100, 485, 4100
• Marshall – 602, 604, 702, 704
• JCB Backhoe Loader – 2, 2B, 3 (with 2.8T 3-Cylinder engine)
• JCB Backhoe Loader – 2, 2B (with 2.8TD 3-Cylinder engine)
• JCB Backhoe Loader – 3C, 3D, 4C (with BMC 3.8T 4-Cylinder engine)
• JCB Backhoe Loader – 2D, 3 Mk2, 3 Mk3, 3C Mk2, 3C Mk3, 3D, 3D Mk2, 4D (with 3.8 TD 4-Cylinder engine)
• JCB Backhoe Loader – 2D, 3 Mk3, 3C, 3C Mk3, 3CX, 3D, 3D Mk3 (with 4/98NT/NV 4-Cylinder engine)
• JCB Tele-Handler – 520/HL/HM, 525, 530/B/HL (with Leyland 4/98NT 4-Cylinder engine)
• JCB Loader tractor – 700 (with 3.8TD 4-Cylinder engine or 4/98 4-Cylinder engine)

Alternative part number: 02/394003