Welcome to Auto, Motorcycle Parts & Accessories official website!

LNG Truck Engine Specification Example for Aftermarket Retail: Waterproof Version

Source:Electric Gasoline Engine / Time:2026-09-18

LNG Truck Engine Specification Example for Aftermarket Retail: Waterproof Version

This is a worked specification for lng truck engine in a waterproof 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 waterproof 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 packing that arrived crushed at the port.

LNG Truck Engine

Example specification

ItemLNG Truck Engine
ApplicationAftermarket Retail
VersionWaterproof Version
Base materialAnodised Aluminium
Controlled dimensions6 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishanodised
MOQ200 pieces per specification
Sampling14 working days, 5 days per revision
ComplianceREACH

How the example is built up

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

LNG Truck Engine example

Processes involved

  • anodising
  • powder coating
  • rubber vulcanisation
  • shot blasting
  • injection moulding
  • laser cutting

Where this example applies

Programmes that run waterproof version most often specify this build for aftermarket retail. Related applications include long-haul trucks, light trucks, courier fleets, emergency vehicles, aftermarket retail.

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

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.

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.

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

Online customer service
WeChat contact
Customer service
Scan code to add Wechat (same mobile phone number)
Telephone consultation
Back to top