MBU1274 CAP. Screw on cap for Windscreen washer bottle on Leyland and Marshall Quiet Cab and Explorer Cab tractors.
This plastic fits to the top of the washer fluid container and holds the plug which in turn holds the delivery tube in place.
Genuine British Leyland "new old stock". Made in the UK.
View item 2 in the illustration.
Alternative part number: NTK1408
Fitted to tractors: