The Cummins/Onan KT19 engine line groups 2 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 3822574 | rocker lever actuator | actuator |
| 3177300 | Aftercooler Adaptor | adaptor |
| 140060 | Fan Hub (Gear Driven) | air_filter |
| 256837 | Air compressor air cleaner element (Cummins Two-Cylinder Only) | air_filter |
| AF-251 | Air compressor air cleaner element (Cummins Two-Cylinder Only) | air_filter |
| 3377193 | Battery Tester, Part No. 3377193 | battery_tester |
| 3823138 | Belt Tension Gauge (Poly V-belt) | belt_tension_gauge |
| ST-1293 | Belt Tension Gauge (V-belts) | belt_tension_gauge |
| 52 098 12-S | Bendix Drive 9-Tooth (Low-Mount Style) | bendix_drive |
| 69521 | Pump Bushings | bushings |
| 230722-S | Condenser | condenser |
| 3644834 | Water Transfer Connection | connection |
| 3627295 | Engine Oil Cooler Core 4 plate | cooler_core |
| 4095097 | Engine Oil Cooler Core 10 plate | cooler_core |
| 3007517 | Piston Cooling Nozzle w/Seal | cooling_nozzle |
| 175830 | Expansion Plug Thermostat Housing | expansion_plug |
| WF-2070 | Spin-On Coolant Filter | filter |
| WF-2071 | Spin-On Coolant Filter | filter |
| WF-2072 | Spin-On Coolant Filter | filter |
| WF-2073 | Spin-On Coolant Filter | filter |
| WF-2074 | Spin-On Coolant Filter | filter |
| WF-2075 | Spin-On Coolant Filter | filter |
| WF-2076 | Spin-On Coolant Filter | filter |
| FS1212 | Fuel/Water Sep Spin-On | fuel_filter |
| FS1242 | Fuel/Water Sep Spin-On | fuel_filter |
| 205061 | Oil Pump Body Gasket | gasket |
| 206443 | Thermostat Housing Gasket | gasket |
| 206460 | Manifold Connection Gasket | gasket |
| 206973 | Core Mounting Gasket | gasket |
| 3010918 | Thermostat Housing Gasket | gasket |
| 3042612 | Gasket - Fan Drive | gasket |
| 3052906 | Thermostat Housing Gasket LTA Engines | gasket |
| 3065791 | Oil Cooler Cover Gasket | gasket |
| 3200550 | Cooler Hsg to Cyl Block Gasket | gasket |
| 3630969 | Oil Cooler Core Mounting Gasket Top of Core | gasket |
| 3643837 | Lube Oil Pump Cover Gasket | gasket |
| FP-IFKKT19 | KT19 In-Frame Kit w/upper gasket set & oil pan gasket | gasket |
| M-4352576 | Upper Gasket Set | gasket |
| 3810313-00 | PT (Type D) STC Injector Shop Manual | injector |
| 3376000 | Injector puller, Part No. 3376000 | injector_puller |
| 3376497 | Injector puller, Part No. 3376497 | injector_puller |
| 3822575 | injector and valve adjustment kit | kit |
| 151355 | Oil Transfer Pump Lock Plate | lock_plate |
| 3379084 | PT Fuel Pump Rebuild and Calibrate Manual, Bulletin No. 3379084 | manual |
| 193736 | O-ring (3), Part No. 193736, has a green dot stripe. The ring is shiny black in appearance. | o_ring |
| 205216 | O-ring (2), Part No. 205216, has no markings. | o_ring |
| 205898 | Pump Mounting O-ring | o_ring |
| 3010510 | O-ring (1), Part No. 3010510, has a red dot or stripe. The o-ring is a dull gray in appearance. | o_ring |
| 212161 | O-ring Mounting Seals Bottom of Core | o_ring_mounting_seal |
| 145536 | O-ring Seal | o_ring_seal |
| 3375049 | Oil Filter Wrench | oil_filter |
| 3016789 | Oil Seal Fan Drive | oil_seal |
| KTA19 | Engine Model | other_service |
| 3047549 | Lube Oil Pump Assembly | pump |
| CC-2800 | Refractometer, Part No. CC-2800 | refractometer |
| 205080 | Regulator Plunger | regulator_plunger |
| 207135 | Pump Mounting Seal | seal |
| 3029820 | Oil Filterhead Seal | seal |
| 3822648/3823348 | Top Stop Tappet Setting Tool (STC equipped engines only) | tappet_setting_tool |
| 204586 | Thermostat - 175° F Vented | thermostat |
| 204586-175 | Thermostat - 175° F Non-Vented | thermostat |
| 3076489 | Thermostat - 180° F | thermostat |
| 3629205 | Thermostat - 195° F | thermostat |
| 3818885 | Thermostat Cover Plate Seal | thermostat_cover_plate_seal |
| 186780 | Thermostat Seal | thermostat_seal |
| 3627961 | Thermostat Seal | thermostat_seal |
| 3376592 | inch pound torque wrench | tool |
| ST-669 | Torque Wrench Adapter, Part No. ST-669 | torque_wrench_adapter |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.