Piston Ring Set - .045" Oversize - 2 Cylinder fits John Deere A AO AR 60 321

Piston Ring Set for John Deere A, AO, AR, and 60 Tractors

This piston ring set is an aftermarket replacement for select John Deere two-cylinder tractors. The rings are sized at .045 inch oversize, which is a common rebore dimension used when cylinder bores have been machined beyond standard. The 2-cylinder designation identifies the engine family this set is intended for. This item is a replacement component, not a genuine John Deere part.

Product Details

• Product Type: Piston Ring Set
• Oversize: .045"
• Engine Configuration: 2 Cylinder

Fitment & Compatibility

• fits John Deere A
• fits John Deere AO
• fits John Deere AR
• fits John Deere 60
• Model Reference Text: 321

Frequently Asked Questions

Q: What does .045" oversize mean on a piston ring set? A: It indicates the rings are sized for a cylinder bore that has been enlarged by .045 inch beyond the original standard dimension, typically during a rebuild.

Q: How do I confirm these rings fit my tractor? A: Check the complete model and engine in your equipment, verify the required bore size, and compare the oversize figure against the machining already performed on your block.

This is an aftermarket replacement part. Confirm fitment before purchase.