KTA19 Cummins Pressure Switch 2897691 Parts Catalog Ref No. Part Name Part No. Required 　 Oil Pressure Switch EC4137 　 1 Pressure Switch 2897691 1 2 Wiring Harness 3056356 1 Above is the introduction of the Cummins Pressure Switch 2897691, while if you need Pressure Switch 2897691, complete Cummins engine or other Cummins product, please further consult our sales.