Purge Valve for GMC Sierra: Aluminium Alloy
This purge valve for the GMC Sierra is specified around aluminium alloy, 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 a fitment that looked right on paper and failed on the bench, or a supplier who changed material without saying so. Both are specification problems, and both are preventable.
Specification
| Product | Purge Valve |
|---|---|
| Vehicle application | GMC Sierra |
| Material / finish | Aluminium Alloy |
| Typical use | Mountain Roads |
| MOQ | 3,000 pieces per specification |
| Sampling | 7 working days, 5 days per revision |
| Bulk lead time | 25-40 days after approval |
| Compliance | CCC |
| Packing | 50 pieces per inner box, 1000 per carton |
Material options
- Tempered Glass — selected when the part is exposed to weather and road salt
- Natural Rubber — used when the finish has to hold a coating
- Ceramic Composite — the cost-effective default for volume programmes
- Anodised Aluminium — selected when the part is exposed to weather and road salt
- Powder Coated Steel — chosen where wear resistance comes first
Processes available
- die casting
- powder coating
- injection moulding
- anodising
- gravity casting
- rubber vulcanisation
Fitment notes
Keep the old part until the new one is on the bench. Comparing them side by side settles questions a photograph never will.
Where it is used
The specification above is the one most often ordered for mountain roads. Related applications include farm use, long-distance touring, security patrols, rental fleets, coastal delivery.
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
How long does sampling take?
Samples leave the factory in 7 working days, and each revision round adds about 5 days once you have seen the first piece.
What testing is included?
Standard lots ship with dimensional and hardness reports. CCC documentation is issued with the shipment when your market requires it.
What is the minimum order quantity?
The standard MOQ is 3000 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.
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.
Share a sample or a drawing and we will quote against a written specification, not against a photograph.
