UNJ1004 INLET VALVE. Leyland 4/98 and 6/98 engine inlet valve.
Introduced for turbo engines (see the fluted stem).
This part was replaced by NKJ32 INLET VALVE on later engines.
Dimensions:
Head diameter – 43mm
Stem diameter – 8.75mm
Total length – 148mm
Valve seat angle – 30°
See item number 9 in the illustration.
Compatible with engines:
- Leyland 4/98TT (up to engine number 2140)
- Leyland 6/98TT (turbo truck engines between 1979 to 1980)
Fitted to tractors:
- Leyland 282, 482
- Leyland 802, 804