Cummins 8.3L ISC Injector 87581565 0986435532New and reman injectors for Cummins ISC 8. 3L Engines. Note: A $100. 00 refundable core charge is due. We will email you a paypal invoice for the core charge that will be refunded upon receiving the old rebuildable core. Testing Service Available For This Injector $40. 00 Each Cross References: 0 445 120 035 0 445 120 112 0 445 120 272 0 986 435 532 0 986 435 532RX 0445120035 0445120112 0445120272 0986435532 0986435532RX 3965720 3965720NX 3965720PX