37H7921 WASHER.  Washer for the Thumbscrew Drain Plug on Lucas CAV fuel filter. 

Suitable for both twin and single Lucas CAV fuel filters on Leyland and Marshall tractors with 4/98 four cylinder diesel engine or 6/98 six cylinder diesel engine.

See item number 28 in the illustration.

Fitted to tractors:

• Leyland 255, 270,  262, 272, 462, 472, 282, 482, 602, 604, 702, 704, 802, 804
• Leyland 285, 2100, 485, 4100
• Marshall 602, 604, 702, 704, 802, 804, 902XL, 904XL
• Marshall 100, 115, 125, 145