AAK378 WASHER.  Nuffield fuel filter Sealing Washer. 

1. Fits to the bottom of the Fuel Filter Assembly on Nuffield 3DL, Nuffield 4DM and some Nuffield 460s.
   (see item number 16 in the Nuffield parts book drawing).
2. Fits to the end of the air Vacuum Chamber on Nuffield 3DL tractors.
   (see item number 35 in the Nuffield parts book drawing).

Fitted to engines:

BMC 2.6-litre 3 cylinder diesel
BMC 3.4-litre 4 cylinder diesel
Some BMC 3.8T 4 cylinder diesel

Fitted to tractors:

• Nuffield Universal Three (3DL), Nuffield Universal Four (4DM)
• Nuffield 460