Expansion Tank for Nissan Navara: Semi-Metallic Compound
This expansion tank for the Nissan Navara is specified around semi-metallic compound, 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 packing that arrived crushed at the port, or inconsistent hardness between lots. Both are specification problems, and both are preventable.

Specification
| Product | Expansion Tank |
|---|---|
| Vehicle application | Nissan Navara |
| Material / finish | Semi-Metallic Compound |
| Typical use | Rental Fleets |
| MOQ | 2,000 pieces per specification |
| Sampling | 7 working days, 3 days per revision |
| Bulk lead time | 25-55 days after approval |
| Compliance | DOT |
| Packing | 20 pieces per inner box, 1000 per carton |
Material options
- Nylon 66 — used when the finish has to hold a coating
- PVC Coated Fabric — selected when the part is exposed to weather and road salt
- EPDM Rubber — preferred when weight matters more than rigidity
- Silicone — chosen where wear resistance comes first
- Reinforced Nylon — used when the finish has to hold a coating

Processes available
- powder coating
- heat treatment
- gravity casting
- injection moulding
- CNC machining
- cold forging
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 rental fleets. Related applications include urban courier work, track days, delivery fleets, security patrols, airport ground fleets.
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 DOT-compliant build instead of a fresh interpretation.
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.
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.
What testing is included?
Standard lots ship with dimensional and hardness reports. DOT documentation is issued with the shipment when your market requires it.
Share a sample or a drawing and we will quote against a written specification, not against a photograph.







