Clutch Slave Cylinder for Audi A4: Aluminium Alloy
This clutch slave cylinder for the Audi A4 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 premature wear on the first batch, or documentation that arrived after the container shipped. Both are specification problems, and both are preventable.

Specification
| Product | Clutch Slave Cylinder |
|---|---|
| Vehicle application | Audi A4 |
| Material / finish | Aluminium Alloy |
| Typical use | Rental Fleets |
| MOQ | 200 pieces per specification |
| Sampling | 14 working days, 5 days per revision |
| Bulk lead time | 15-30 days after approval |
| Compliance | SAE J431 |
| Packing | 20 pieces per inner box, 500 per carton |
Material options
- EPDM Rubber — preferred when weight matters more than rigidity
- Stainless Steel — the cost-effective default for volume programmes
- Polypropylene — selected when the part is exposed to weather and road salt
- Reinforced Nylon — selected when the part is exposed to weather and road salt
- Aluminium Alloy — used when the finish has to hold a coating

Processes available
- laser cutting
- die casting
- CNC machining
- surface grinding
- injection moulding
- assembly line testing
Fitment notes
Check whether the mounting points on your market version match the catalogue drawing — regional variants are the usual cause of a wrong first order.
Where it is used
The specification above is the one most often ordered for rental fleets. Related applications include airport ground fleets, ride-hailing fleets, food delivery, long-distance touring, wet weather riding.
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.
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.
Can the specification be held on file?
Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the SAE J431-compliant build instead of a fresh interpretation.
What is the minimum order quantity?
The standard MOQ is 200 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.







