Description
MA3H –
Cummins 212161 is an oil cooler O-ring seal used on Cummins 855-series engine applications. PAI directly maps its 121217 O-ring to Cummins 212161, and PAI shows the seal throughout its Cummins 855-series oil-cooler, cooling-system, upper-gasket, and overhaul kits.
Verified PAI-equivalent specifications:
- Inside diameter: 1.171 in / 29.74 mm
- Cross section: 0.139 in / 3.53 mm
- AS568 size: -217
- Material: EPDM
- Durometer: 70
- Finish: Peroxide-cured / optional green TFE coating
Crosses
212161, 211126, 121217, M-212161, M212161, FP-212161, FP212161, 72217


Reviews
There are no reviews yet.