Silencer Box for GMC Sierra: Magnesium Alloy
This silencer box for the GMC Sierra is specified around magnesium 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 inconsistent hardness between lots, or inconsistent hardness between lots. Both are specification problems, and both are preventable.
Specification
| Product | Silencer Box |
|---|---|
| Vehicle application | GMC Sierra |
| Material / finish | Magnesium Alloy |
| Typical use | Airport Ground Fleets |
| MOQ | 2,000 pieces per specification |
| Sampling | 14 working days, 3 days per revision |
| Bulk lead time | 25-30 days after approval |
| Compliance | ISO/TS 16949 |
| Packing | 100 pieces per inner box, 500 per carton |
Material options
- Nylon 66 — selected when the part is exposed to weather and road salt
- Powder Coated Steel — chosen where wear resistance comes first
- Ceramic Composite — the cost-effective default for volume programmes
- Semi-Metallic Compound — chosen where wear resistance comes first
- Neoprene — selected when the part is exposed to weather and road salt
Processes available
- precision stamping
- anodising
- ultrasonic cleaning
- surface grinding
- cold forging
- injection moulding
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 airport ground fleets. Related applications include rural transport, airport ground fleets, passenger transport, construction sites, motocross.
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 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 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.
How long does sampling take?
Samples leave the factory in 14 working days, and each revision round adds about 3 days once you have seen the first piece.
What is the minimum order quantity?
The standard MOQ is 2000 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.
