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Auto Oil Separator Specification Example for Dealership Service: Vented Design

Source:Aftermarket Engine Brackets / Time:2026-09-18

Auto Oil Separator Specification Example for Dealership Service: Vented Design

This is a worked specification for auto oil separator in a vented design programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The vented design version exists because the duty cycle on dealership service is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually a supplier who changed material without saying so.

Auto Oil Separator

Example specification

ItemAuto Oil Separator
ApplicationDealership Service
VersionVented Design
Base materialCast Iron
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishpowder coated
MOQ200 pieces per specification
Sampling10 working days, 5 days per revision
ComplianceSGS

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Cast Iron, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Auto Oil Separator example

Processes involved

  • precision stamping
  • heat treatment
  • robot welding
  • laser cutting
  • gravity casting
  • shot blasting

Where this example applies

Programmes that run vented design most often specify this build for dealership service. Related applications include racing teams, dealership service, city buses, construction equipment, scooter fleets.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 2.5 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

What happens if a lot fails inspection?

The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

What testing is included?

Standard lots ship with dimensional and hardness reports. SGS documentation is issued with the shipment when your market requires it.

What is the minimum order quantity?

The standard MOQ is 200 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

Tell us the model, the fitment and the quantity and we will hold a production slot for you.

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