Overhaul Diesel Injection Pump Rebuild Kit Compatible with DELPHI TRACTOR CAV OEM Lucas MPN: 7123-888 / 7135-110 replacement fit any of these machines which have DPA 2,3,4 or 6 cylinder pump fitted on the engine: Allis-Chalmers Case Case-International Caterpillar David Brown Ferguson Fiat/Hesston IH IMT JCB John Deere Landini Leyland Long Mahindra Massey-Ferguson Massey-Harris McCormick Oliver Perkins (many perkins engines) Volvo, and many others. Symptoms of worn transfer pump and fuel/vacuum leak: Power loss Engine may die when left to idle. Slow / delayed throttle response Prolonged engine cranking while start up or not starting at all Engine is not trying to pull harder when full throttle is applied In some cases engine runs very smooth, because of the lowered transfer pump pressure. Overhaul Diesel Injection Pump Rebuild Kit Compatible with DELPHI TRACTOR CAV OEM Lucas