Piston Ring Set Compatible With John Deere 4320/4430/4630 6.404T Or 6.404A 1970-2026 Standard Bore

OEM PART NUMBERS:
• John Deere: R51741 (Primary OEM ring set number for 6.404T/A), A57944 (Alternative cross-reference)

SPECIFICATIONS:
• Size: Standard
• Bore Diameter: 108.0mm (4.25")
• Ring Configuration: 3-ring set (2 compression + 1 oil control)
• Top Ring: Cast Iron
• Oil Ring Width: 4.75mm
• Set Coverage: Per Cylinder
• Engine: 6.404 Series
• Condition: New

APPLICATION:
• Compatible with John Deere 4320 (1970-2026)

PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.

WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov