Purge Valve for Chevrolet Silverado: Polypropylene
This purge valve for the Chevrolet Silverado is specified around polypropylene, 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 warranty claims traced back to a single lot, or packing that arrived crushed at the port. Both are specification problems, and both are preventable.
Specification
| Product | Purge Valve |
|---|---|
| Vehicle application | Chevrolet Silverado |
| Material / finish | Polypropylene |
| Typical use | Farm Use |
| MOQ | 2,000 pieces per specification |
| Sampling | 14 working days, 5 days per revision |
| Bulk lead time | 15-30 days after approval |
| Compliance | ISO/TS 16949 |
| Packing | 10 pieces per inner box, 500 per carton |
Material options
- Carbon Steel — the cost-effective default for volume programmes
- Magnesium Alloy — the cost-effective default for volume programmes
- Tempered Glass — used when the finish has to hold a coating
- Brass — selected when the part is exposed to weather and road salt
- Natural Rubber — used when the finish has to hold a coating
Processes available
- rubber vulcanisation
- CNC machining
- gravity casting
- shot blasting
- heat treatment
- die casting
Fitment notes
Confirm the fitment against the VIN or the frame number before ordering; two model years often share a name and not a part.
Where it is used
The specification above is the one most often ordered for farm use. Related applications include food delivery, airport ground fleets, urban courier work, long-distance touring, heavy load hauling.
Quality and packing
- In-line inspection with AQL 2.5 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 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 is packing specified?
Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.
Can the specification be held on file?
Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the ISO/TS 16949-compliant build instead of a fresh interpretation.
How long does sampling take?
Samples leave the factory in 14 working days, and each revision round adds about 5 days once you have seen the first piece.
Share a sample or a drawing and we will quote against a written specification, not against a photograph.
