Genuine Cummins piston lift pump spring

DescriptionGenuine Cummins piston lift pump spring – Brand newNew Genuine Cummins ABFJV spring for the transfer / supply / lift pumpFor 6bt or 4bt Cummins diesel piston lift pump for p7100 and P3000 and A-pumpIs your lift pump old & tired. Replace the lift pump spring with this brand new tapered pump spring.Restore throttle response & performance, as long as your overflow valve & rest of fuel system is in good shape.This pump is an genuine Cummins part, & will fit the – FP916, 3936322, 3415661, 3930134, 3932224, 3933252, 3936316 and 4944710 OEM lift-pumps.Note : A new lift pump spring will not fix either a simple air drain back problem or weak or faulty overflow valve.Please don’t waste my time if you refuse to fix an existing problem or one the is caused by disturbing old hoses or fittings.Common problem on customers end is : faulty pressure gauge, old or improper fuel line, cracked pu, air leaking into fittings.