The Lister Petter HR2 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 |
|---|---|---|
| HS450 | Main Features—Fuel Pump Side—Radiator Cooled | fuel_pump |
| HS450M | Main Features—Fuel Pump Side—Marine Propulsion Engines | fuel_pump |
| HS36 | idling spring | other_service |
| HS413 | Radiator and Fan | other_service |
| HS42M | cylinder head cover | other_service |
| HS451 | Main Features—Manifold Side—Radiator Cooled | other_service |
| HS451M | Main Features—Manifold Side—Marine Propulsion Engines | other_service |
| HS462/1 | Flywheel and Guard—Tank Cooled Engines | other_service |
| HS463 | Cylinder Head | other_service |
| HS458 | Water Pump Fittings | pump |
| HS459 | Components of Water Pump | pump |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.