Direct replacement for OEM OK508-10/20

Replaces A29977

Direct replacement for Caterpillar BK3015

4 used in 180 CID & 202 CID 4 cylinder gas engines

Zinc Plated - 5400 lb

Maxiforce Ring Set, 3.164, 4.219, 6.329 for John Deere AR55759 387-9858 Direct replacement for OEM OK508-10/20Aftermarket Piston Ring Set for the John Deere 3. 164 SMALL PIN, ORINGS ON diesel engine. Direct replacement for John Deere AR55759. Fits These Models John Deere Farm Tractors: 1035, 1130, 1420, 1520, 1530, 1635, 2030, 2035, 2040, 2120, 2330, 2440, 2520, 2530, 2840, 3120, 3130, 3530, 4030, 4420, 4425 John Deere Loaders: 301A, 302A, 401A, 4030, 710B John Deere Crawler Dozers: 350B, 350C, 350D, 450A, 450B, 450C, 450D, 455D John Deere Skidders: 4030,