New piston pin bushing, replaces John Deere R57451.
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MS4D – New connecting rod piston pin bushing, replaces John Deere part number R57451. For 1.625 in (41 mm) piston pin. Sold each.
Replaces: John Deere R57451, R56186.
Fits: John Deere 4039, 4045, 6059, 6068 (300 Series and early PowerTech).
Confirm fitment by original part number before ordering.
Product identification
Products explicitly described as “Genuine OEM” are genuine original equipment manufacturer parts. Other references to OEM names, part numbers, or model numbers are provided to identify compatibility and do not imply that a product is OEM.
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