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ZF Synchronizer Cone 1250 304 292 Genuine ZF Part for Transmission Trusted ZF Parts Dealer
- 24/7 order processing with DHL/FedEx express options.
- In-stock availability for urgent repairs.
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- P/N:1250 304 292
ZF Part: 1250 304 292 Synchronizer Cone
The 1250 304 292 Synchronizer Cone (also known as a synchronizer ring or friction ring) is a precision-engineered component essential for the smooth synchronization of gear speeds during shifting. As an established ZF parts dealer, we understand that even minor wear on a synchronizer cone can lead to gear clashing and expensive transmission failure.


Technical Specification
| Feature | Details |
| Brand | ZF (Zahnradfabrik Friedrichshafen) |
| Part Number | 1250 304 292 (1250304292) |
| Component Name | Synchronizer Cone / Friction Ring |
| Transmission Series | ZF Ecosplit, AS Tronic, and Midliner Gearboxes |
| Material | High-Strength Steel with Friction Lining |
| Surface Coating | Anti-Wear Heat Treatment |
| Function | Speed Synchronization for Seamless Shifting |
| Quality | 100% Genuine OEM |
Simple Install Tips
To ensure peak performance for your ZF parts, follow these professional installation tips for the 1250 304 292 cone:
Measurement of the Gap: Before installation, place the new synchronizer cone onto the corresponding gear and measure the “A-dimension” (the gap between the cone and the gear teeth). If the gap is below ZF factory limits, the gear will not synchronize properly.
Oil Soaking: For the best initial engagement, soak the 1250 304 292 cone in clean ZF-approved transmission fluid for at least 30 minutes before assembly. This prevents “dry burn” during the first few shifts.
Inspect Friction Surface: Check the internal lining of the cone for any transport debris. A single scratch on the friction surface can reduce the life of the ZF part.
Match with Sliding Sleeve: Ensure the external teeth of the synchronizer cone align perfectly with the internal teeth of the sliding sleeve (such as the 1250 304 306).
Cleanliness is Critical: Use a lint-free cloth and specialized cleaning solvent to ensure no metallic dust remains in the synchronizer hub assembly.
Packaging & Shipping
By Express : Suitable for sample order or <50 KG Fast:3-10 days High shipping cost Door to door service
By Air : Suitable for >50 KG Fast: 3-7 days Lower than express cost Airport to airport service
By Sea: Suitable for >300 KG Lower cost port to port service


As a leading supplier and dealer of ZF parts, we provide genuine components to maintain the integrity and efficiency of your gearbox system. Trust in our expertise and quality assurance to keep your ZF gearbox running smoothly.
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