624-21770 Top radiator hose, used on a Lister Petter DWS4 engine, Delta series. JAS The TX series engine was

The TX series engine was commonly used with the Read Screen-All product line but also with generators and  pump units

The important thing to verify is the orientation of the inlet and outlet of the fuel pump the bolt pattern and making sure its the same as yours

This will be item number 22 in the Lister Petter drawing

25mm in thickness or

this cap is used on the power pac engine but will fit other applications such as generators etc

624-21770 Top radiator hose, used on a Lister Petter DWS4 engine, Delta series. JAS The TX series engine was624 21770 Top Hose for a DWS4 engine. ID of the big end measures 1. 625 inches the small end measures 1. 438 inches ID. This will be item 2 in the Lister Petter drawing. This engine was commonly used in the Armstrong generator lineup.