ORIGINAL AXLE SEAL SLEEVE REQUIRES THE USE OF 1963839C1 SEAL FITS TRACTORS WITH 4" AXLES
ORIGINAL SIZE SEAL USE WITH ORIGINAL AXLE SEAL SLEEVE 1963837C1 FITS TRACTORS WITH 4" AXLES
CAN USE OE SANDEN COMPRESSOR - 509-603
CAN USE ORIGINAL JD VERSION 804-5502. CAN USE HEAVY DUTY DRY-TECH VERSION 804-550.