Collection: Gaskets, O-Rings, Screens, Seals & Shims

Cummins CO309042700 Thermostat 180 Degree For 20KW Onan 309-0427 (Uses Gasket C0309058600 Onan 309-0586) OBSOLETE 7/24/2026 THIS PART IS IN STOCK 7/24/2026

154-0013 Onan Gasket (1 Piece) Replaces 154-2769 Sold Per Each Individual 9/14/2026 THIS PART IS IN STOCK 9/14/2026

309-0186 Onan Thermostat Housing Gasket For MCCK 9/28/2026 THIS PART IS IN STOCK 9/28/2026

154-2671 Replaced by C0154276100 Onan Exhaust Manifold Gasket Supersedes 154-1057 OBSOLETE 7/24/2025 THIS PART IS IN STOCK 7/24/2025

509-0090 Onan Seal Valve Stem (Replaced Old # 509-0090 & Old # 509-0132) 12/10/2025 THIS PART IS IN STOCK 12/10/2025

Onan 149-1703 Fuel Pump Kit Includes 149-1038 Fuel Pump, 149-0792 (1) gasket OBSOLETE 9/21/2026 THIS PART IS IN STOCK 9/21/2026

149-1704, 149-1790, 149-1003 & 149-1020 Onan Fuel Pump Series DJC (OBSOLETE) Includes Gasket 149-0792 & (2) Fuel Pump Washers 149-1307 8/6/2026 THIS PART IS IN STOCK 8/6/2026

141-0281 Onan Carb Flange Gasket this is the new number for 141-0858 For MCCK 9/28/2026 THIS PART IS IN STOCK 9/28/2026