27H8657 SCREW.  Fuel filter Bleed Screw for bleeding the fuel system on Nuffield and Leyland tractors.

Fitted to the top of the fuel filter assembly and used to bleed the fuel system after changing the fuel filter on the Simms inline fuel pump.

For engines:

BMC 2.6T and 2.8TD 3 cylinder engine
BMC 3.8T, 3.8TA and 3.8TD engines
Some Leyland 4/98 engines

Fitted to:

• Nuffield 342, 460, 10/42, 10/60, 345, 465 (see item number 11 on the single fuel filter illustration)
• Leyland 344, 384, 255, 270 (see item number 40 on the twin fuel filter assembly illustration)