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Car Alternator Repair Specification Example for Aftermarket Retail: Long Life Version

Source:Steel Piston Pin / Time:2026-09-18

Car Alternator Repair Specification Example for Aftermarket Retail: Long Life Version

This is a worked specification for car alternator repair in a long life version 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 long life version version exists because the duty cycle on aftermarket retail is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually warranty claims traced back to a single lot.

Car Alternator Repair

Example specification

ItemCar Alternator Repair
ApplicationAftermarket Retail
VersionLong Life Version
Base materialNylon 66
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishpainted
MOQ200 pieces per specification
Sampling14 working days, 3 days per revision
ComplianceTUV

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Nylon 66, 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.

Car Alternator Repair example

Processes involved

  • cold forging
  • laser cutting
  • CNC machining
  • precision stamping
  • sintering
  • assembly line testing

Where this example applies

Programmes that run long life version most often specify this build for aftermarket retail. Related applications include assembly programmes, light trucks, boat trailers, rental motorcycles, long-haul trucks.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 1.5 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

How long does sampling take?

Samples leave the factory in 14 working days, and each revision round adds about 3 days once you have seen the first piece.

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.

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the TUV-compliant build instead of a fresh interpretation.

What testing is included?

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

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

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