Piston for Kia Sorento: Reinforced Nylon
This piston for the Kia Sorento is specified around reinforced nylon, which decides how it behaves in service far more than the part name does. We build to a written specification — base material, dimensions, finish and packing — and hold that specification on file so every reorder reproduces the approved piece.
The usual reason a programme changes supplier is not unit price. It is reorders that did not match the approved sample, or warranty claims traced back to a single lot. Both are specification problems, and both are preventable.

Specification
| Product | Piston |
|---|---|
| Vehicle application | Kia Sorento |
| Material / finish | Reinforced Nylon |
| Typical use | Farm Use |
| MOQ | 500 pieces per specification |
| Sampling | 10 working days, 3 days per revision |
| Bulk lead time | 20-40 days after approval |
| Compliance | SAE J431 |
| Packing | 20 pieces per inner box, 1000 per carton |
Material options
- PU Leather — specified where the part sits close to a heat source
- Sintered Metal — chosen where wear resistance comes first
- EPDM Rubber — selected when the part is exposed to weather and road salt
- Nylon 66 — selected when the part is exposed to weather and road salt
- Chromed Steel — the cost-effective default for volume programmes

Processes available
- precision stamping
- CNC machining
- assembly line testing
- heat treatment
- injection moulding
- shot blasting
Fitment notes
Check whether the mounting points on your market version match the catalogue drawing — regional variants are the usual cause of a wrong first order.
Where it is used
The specification above is the one most often ordered for farm use. Related applications include daily commuting, passenger transport, construction sites, motocross, food delivery.
Quality and packing
- In-line inspection with AQL 1.5 sampling on every lot.
- Dimensional report issued against the approved drawing.
- Carton marking and barcode to your specification.
- Golden sample retained at the factory as the reorder reference.
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.
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.
How long does sampling take?
Samples leave the factory in 10 working days, and each revision round adds about 3 days once you have seen the first piece.
Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.







