757-15721 Oil pressure switch, Lister Petter oil pressure safety switch used on LPA, LPW2/3/4, LPWS, LPWT, TS, TR, HR, SR engines AC1 you may receive a rebuilt

you may receive a rebuilt injector

This only fits the 4 cylinder engines

pumps  (both hydraulic and water )

This joint/gasket set will only work for the 3 cylinder engine

it was also used on the TX2 and TX3 engines

757-15721 Oil pressure switch, Lister Petter oil pressure safety switch used on LPA, LPW2/3/4, LPWS, LPWT, TS, TR, HR, SR engines AC1 you may receive a rebuiltThis is a very commonly used low oil pressure switch used in the Lister Petter line of engines. You'll find it in almost every LP engine ( LPA, LPW S T G, TS TR, SR, AB AC AD engines). It can be adapted easily into almost every LP model of engine. The connections are C for Common, NO for Normally open and NC for Normally closed. The trigger point is set at approximately, 7 psi. Some electrical schematics you will see may show 2 wires on the drawing