Description
MA3H – Cummins 4010519 is an O-ring seal used in multiple Cummins engine applications, including sensor/oil-cooler locations and various upper/lower gasket sets. Cummins application catalogs show 4010519 as an individual O-ring, while PAI identifies its corresponding 121210 as a sensor O-ring.
Published dimensions are:
- Inside diameter: 0.445 in / 11.3 mm
- Cross-section: 0.087 in / 2.2 mm
- Thread/fitting application: M14 × 1.5
- Material: Buna-N
- Durometer: 90
- Finish: Peroxide cured


Reviews
There are no reviews yet.