Piston Ring Set - Standard - 2 Cylinder fits John Deere 50 190 B 50 190 AB4039R

Standard Piston Ring Set for Two-Cylinder Applications

This standard piston ring set is an aftermarket replacement intended for two-cylinder engine configurations. It is identified by the reference number AB4039R and is built for engines requiring standard-size rings. Piston rings seal the combustion chamber, manage oil control, and help maintain compression in a correctly assembled engine.

Product Details

• Product Type: Piston ring set
• Size: Standard
• Cylinders: 2
• Reference Number: AB4039R

Fitment & Compatibility

• John Deere 50
• John Deere 190
• John Deere B
• John Deere 50, 190, B with two-cylinder configuration

Frequently Asked Questions

Q: What does standard size mean for this piston ring set? A: Standard size indicates the rings are intended for a cylinder bore that has not been enlarged, so confirm the bore size and piston condition before ordering.

Q: How can I verify this ring set fits my engine? A: Check the complete engine or equipment model, the existing part number, and the required ring size. The reference number AB4039R should match your original part or application listing.

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