Differential for BYD F3: Bronze
This differential for the BYD F3 is specified around bronze, 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 supplier who changed material without saying so, or lead time that slipped twice before bulk started. Both are specification problems, and both are preventable.

Specification
| Product | Differential |
|---|---|
| Vehicle application | BYD F3 |
| Material / finish | Bronze |
| Typical use | Ride-Hailing Fleets |
| MOQ | 500 pieces per specification |
| Sampling | 10 working days, 3 days per revision |
| Bulk lead time | 20-30 days after approval |
| Compliance | SAE J431 |
| Packing | 10 pieces per inner box, 200 per carton |
Material options
- Stainless Steel — preferred when weight matters more than rigidity
- EPDM Rubber — chosen where wear resistance comes first
- Carbon Fibre Composite — selected when the part is exposed to weather and road salt
- Semi-Metallic Compound — used when the finish has to hold a coating
- Aluminium Alloy — preferred when weight matters more than rigidity

Processes available
- die casting
- anodising
- sintering
- shot blasting
- CNC machining
- robot welding
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 ride-hailing fleets. Related applications include rural transport, ride-hailing fleets, passenger transport, mining sites, off-road trails.
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 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.
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.
Do you handle mixed containers?
Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 500 pieces per line.
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.
Share a sample or a drawing and we will quote against a written specification, not against a photograph.







