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Universal License Lamp Specification Example for Courier Fleets: Off-Road Version

Source:Engine Oil Sump / Time:2026-09-18

Universal License Lamp Specification Example for Courier Fleets: Off-Road Version

This is a worked specification for universal license lamp in a off-road 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 off-road version version exists because the duty cycle on courier fleets is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually reorders that did not match the approved sample.

Universal License Lamp

Example specification

ItemUniversal License Lamp
ApplicationCourier Fleets
VersionOff-Road Version
Base materialForged Aluminium
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.5 mm
Finishpainted
MOQ1,000 pieces per specification
Sampling7 working days, 3 days per revision
ComplianceSAE J431

How the example is built up

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

Universal License Lamp example

Processes involved

  • sintering
  • assembly line testing
  • CNC machining
  • die casting
  • gravity casting
  • laser cutting

Where this example applies

Programmes that run off-road version most often specify this build for courier fleets. Related applications include agricultural trailers, export programmes, dealership service, rental motorcycles, long-haul trucks.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 4.0 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

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the SAE J431-compliant build instead of a fresh interpretation.

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.

What testing is included?

Standard lots ship with dimensional and hardness reports. SAE J431 documentation is issued with the shipment when your market requires it.

What is the minimum order quantity?

The standard MOQ is 1000 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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