37D454 PULLEY.  BMC Front crankshaft pulley for V-type fan belt.

This pulley drives the hydraulic pump on Leyland and Marshall tractors and JCB machinery fitted with engines:

BMC 3.4
BMC 3.8 
Leyland 4/98 NT
Leyland 4/98 DT
Leyland 4/98 TT

Fitted to tractors:

• Nuffield 4/65 (22077 onwards)
• Leyland 344, 384, 255, 270, 262, 272, 462, 472, 282, 482
• Leyland 602, 604, 702, 704, 802, 804
• Marshall 602, 604, 702, 704, 802, 804, 902XL, 904XL