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Integrated Rear Lights Specification Example for Municipal Fleets: Vented Design

Source:Tandem Trailer Axles / Time:2026-09-18

Integrated Rear Lights Specification Example for Municipal Fleets: Vented Design

This is a worked specification for integrated rear lights 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 municipal fleets is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually a fitment that looked right on paper and failed on the bench.

Integrated Rear Lights

Example specification

ItemIntegrated Rear Lights
ApplicationMunicipal Fleets
VersionVented Design
Base materialChromed Steel
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishanodised
MOQ200 pieces per specification
Sampling7 working days, 3 days per revision
ComplianceDOT

How the example is built up

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

Integrated Rear Lights example

Processes involved

  • gravity casting
  • die casting
  • shot blasting
  • injection moulding
  • ultrasonic cleaning
  • laser cutting

Where this example applies

Programmes that run vented design most often specify this build for municipal fleets. Related applications include off-road bikes, utility trailers, agricultural trailers, workshop replacements, emergency vehicles.

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

What testing is included?

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

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 200 pieces per line.

How is packing specified?

Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.

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.

Send the specification you are working to and we will confirm what we can match, what we would change and why.

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