One New Aftermarket Replacement Standard Piston Ring Set Fits Case IH Tractors
This standard bore piston ring set replaces OEM part number 3139594R91 and is designed Fits Case IH (Fits Case/International Harvester) diesel engines including the D155, D179, D206, D239, D310, D358, and TD239 engine families. The set includes three rings per cylinder — a chrome plated keystone top compression ring, a chrome plated taper faced internally stepped second ring, and a chrome plated bevelled edge oil control ring with helical coil spring — providing a complete solution for engine rebuild and overhaul work.
Specifications
- Bore: 3.875 in (98.425 mm) — Standard
- Rings per cylinder: 3
- Top Ring: Chrome Plated Keystone (CK1) — 3.00 mm
- 2nd Ring: Chrome Plated Taper Faced Internally Stepped Top (CT2) — 2.38 mm
- 3rd Ring: Chrome Plated Bevelled Edge with Helical Coil Spring (CBEH) — 4.76 mm
- Sold per cylinder
Compatible Models
Fits Case IH Tractors: 268, 288, 433, 454, 474, 533, 574, 633, 644, 674, 684, 685, 685XL, 695, 695XL, 733, 740, 743, 743XL, 744, 745, 745S, 745XL, 785, 785XL, 795, 795XL, 833, 840, 844, 844S, 844XL, 845, 845XL, 885, 885XL, 895, 895XL, 940, 955, 955XL, 956, 956XL, 995XL, 1046, 1055, 1055XL, 1056, 1056XL, 2400, 2500, 4210, 4220, 4230, 4240, Hydro 84, Hydro 86
Replaces Part Number(s):
3139594R91, 671510C91
New aftermarket replacement part – not remanufactured, not used.
