D47539 Tension Adjusting Nut -(Tractor & Recoil) Fits Case 450 to SN# 3050800 model-ECR28 Replaces Part Number: R51500

Replaces Part Number: R51500

Overall Length: 6 3/4"

SK330LC/IV

98" Chamber Bore

Note: Verify fitment by matching your OEM part number to the Replaces Part Numbers listed below

D47539 Tension Adjusting Nut -(Tractor & Recoil) Fits Case 450 to SN# 3050800 model-ECR28 Replaces Part Number: R51500One New Aftermarket Replacement Track Spring Tension Adjusting Nut Fits Case 450 Dozer This aftermarket replacement tension adjusting nut (also referred to as a track spring nut or recoil nut) is a key component of the track recoil spring assembly on the Fits Case 450 crawler dozer. It secures and adjusts tension on the track recoil spring, maintaining proper track tension and reducing undercarriage wear. Important: This nut is Fits Case 450 before