Product Category
Transmission Repair Parts
Gears, cross shafts, and synchronizers for gearbox repair and overhaul — supply coordinated from China for auto parts importers, transmission repair businesses, and parts distributors.
Repair Parts Sourcing, Confirmed Per Order
Jinjiuhui coordinates the supply of transmission repair parts from China for B2B buyers — auto parts importers, gearbox repair and overhaul businesses, and regional parts distributors. We match your requirement with suitable supply resources, follow up stocking or production, and arrange export delivery.
This site does not publish generic specification tables, reference number lists, or vehicle fitment charts. Compatibility is checked against the gearbox model or part number you provide, and specifications are confirmed per inquiry before you place an order.
Product Subcategories
Transmission Gears
Spur, helical, and shaft gear applications for manual and automatic gearbox repair. Module, tooth count, and material confirmed per inquiry.
Transmission Cross Shafts
Cross shafts (spiders) for universal joints and differential applications. Journal diameter, length, and snap ring grooves confirmed against your samples or drawings.
Transmission Synchronizers
Synchronizer rings, hubs, and complete assemblies for manual gearbox shift systems. Fitment verified against the gearbox model or part number you provide.
Images are illustrative examples, not photos of delivered orders.
What to Send With Your Inquiry
- Product name and category (gear, cross shaft, synchronizer)
- Gearbox model, or the part number of the component you are replacing
- Key dimensions, sample photos, or drawings where available
- Quantity and destination country
Frequently Asked Questions
Can you confirm fitment for our vehicle or gearbox models?
Do you have a catalog with OEM or reference numbers?
What is the minimum order quantity for repair parts?
Can you supply parts based on samples?
Related Sourcing Guides
Information to Confirm When Sourcing Transmission Gears
Sourcing transmission gears requires the gearbox model or OEM part number, gear specifications such as tooth count and module, and quantity with destination. This article lists the information buyers should prepare and what is verified per order.
Read guide →How to Verify Transmission Synchronizer Fitment
Verifying synchronizer fitment means matching the OEM part number and gearbox model, then confirming critical dimensions against the old part or drawing. This article explains the verification sequence and the mistakes that cause wrong-part deliveries.
Read guide →Dimensions and Data Needed to Source Cross Shafts
Sourcing a transmission cross shaft (universal joint cross) requires journal diameter, overall span, cap or bearing cup dimensions, and the application it serves. This article lists the measurements and technical data buyers should provide.
Read guide →Send your transmission parts inquiry
Share the product name, gearbox model or part number, quantity, and destination — we confirm availability, specifications, price, and lead time per order.
