Quad bike seals and O-rings

Start with the sealing location

An engine oil seal, countershaft seal and differential seal kit cover different locations. Use the part description and any position notes alongside the complete model, year and variant. Check the specified component directly if it has been changed from the original vehicle specification.

Check the part specification and kit coverage

Compare all stated dimensions and material details with the required part. For kits, read which locations and components are covered rather than assuming every seal is supplied. Browse gaskets and kits for gasket requirements, or gaskets and seals to compare the wider range.

Are matching dimensions enough to choose a seal?

Use dimensions alongside the part reference, intended location and any material or application requirements. A matching outside diameter alone does not confirm the right part. Ask for clarification if the listing does not give enough information to establish the required specification.

Can I choose an O-ring by its colour?

Use the stated reference, dimensions and material specification rather than colour or appearance. Match those details to the component manufacturer's requirements and confirm any missing specification before ordering a substitute.

Does an engine seal kit include differential seals?

Check the exact kit contents and the locations it covers. Do not assume a kit for one assembly includes seals for another. Compare separate engine, countershaft and differential listings with the parts required for the planned work.

How do I avoid ordering seals already included in a kit?

Compare the contents of the gasket, bearing or repair kits you are buying with the separate seals on your parts list. Where contents are unclear, confirm them for the exact reference before ordering duplicates. A shared vehicle application does not show what is supplied in the pack.