ATJ6942 PISTON RING.  Leyland and Marshall draught control hydraulics Piston Ring for 3 ⁵/8” inch diameter cylinder 3 ring piston.

Fitted to Leyland and Marshall tractors up to serial number 1331A.  After this a “Shamban” seal was used.

Fitted to tractors:

• Leyland 253–245–344–384–255–270–262–272–462–472–282–482–502–602–604–702–704–802-804
• Leyland 285 – 2100 – 485 – 4100
• Marshall 502–602–604–702–704–802–804 (up to serial number 1331A)