Expansion Tank for Mazda CX-5: Natural Rubber
This expansion tank for the Mazda CX-5 is specified around natural rubber, 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 specification nobody had written down, or a specification nobody had written down. Both are specification problems, and both are preventable.

Specification
| Product | Expansion Tank |
|---|---|
| Vehicle application | Mazda CX-5 |
| Material / finish | Natural Rubber |
| Typical use | Adventure Travel |
| MOQ | 2,000 pieces per specification |
| Sampling | 10 working days, 3 days per revision |
| Bulk lead time | 20-30 days after approval |
| Compliance | CCC |
| Packing | 20 pieces per inner box, 500 per carton |
Material options
- Powder Coated Steel — chosen where wear resistance comes first
- Zinc Plated Steel — used when the finish has to hold a coating
- Stainless Steel — selected when the part is exposed to weather and road salt
- Titanium Alloy — specified where the part sits close to a heat source
- Anodised Aluminium — used when the finish has to hold a coating

Processes available
- heat treatment
- precision stamping
- shot blasting
- die casting
- sintering
- injection moulding
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 adventure travel. Related applications include security patrols, adventure travel, rural transport, long-distance touring, track days.
Quality and packing
- In-line inspection with AQL 4.0 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 testing is included?
Standard lots ship with dimensional and hardness reports. CCC documentation is issued with the shipment when your market requires it.
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.
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 part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.







