For dual stage type w/1- 1/8" X 10 spline and 1- 3/4" X 10 spline

Direct replacement for OEM BK849-10/STD

AL174137 and more

Fits John Deere Tractor: 5520 - Replaces OEM Number R125223

Fits Caterpillar 963 Track

Maxiforce Piston & Ring Kit Standard, 1104D-44 for Perkins U5PR0063 S6100 For dual stage type w/1-Aftermarket Piston & Ring Kit for the Perkins 1100D 1104D 44 (NK) 1) Basic Kit 1) (Rod Brg OD 63. 5 diesel engine. Direct replacement for Perkins U5PR0063. Please verify fitment against your equipment's serial and engine casting numbers before ordering. Cross references are provided as a guide; the customer is responsible for confirming compatibility.