Genuine ZF Synchronizer Hub 3rd4th Gear – Part No. 1272304135 Trusted ZF Parts Supplier
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- P/N:1272304135
Genuine ZF Synchronizer Hub 3rd/4th Gear – Part No. 1272304135
Technical Specification
we provide the Genuine ZF Synchronizer Hub (Part No. 1272304135), specifically designed for 3rd and 4th gear applications. This hub is a vital component of the synchronization unit, acting as the bridge between the sliding sleeve and the main shaft to ensure smooth, grind-free gear transitions.
| Feature | Details |
| Product Name | Synchronizer Hub (3rd / 4th Gear) |
| Part Number | 1272304135 (1272.304.135) |
| Manufacturer | ZF |
| Compatible Series | ZF Ecosplit, New Ecosplit, Astronic |
| Material | Premium Forged Alloy Steel |
| Function | Facilitates Gear Synchronization and Engagement |
Simple Install Tip:
Proper assembly of the 1272304135 Synchronizer Hub is essential for shift quality. Follow these tips:
Check Spline Direction: Before installation, ensure the internal splines of the hub are correctly aligned with the main shaft. Some hubs are directional; refer to your ZF service manual for the “front” marking.
Inspect Synchronizer Rings: Never install a new hub with old, worn synchronizer rings. Check the clearance between the ring and the gear. If the gap is below the ZF wear limit, replace the rings simultaneously.
Inspect the Sliding Sleeve: Ensure the sliding sleeve moves freely and smoothly over the hub. Any resistance or “catching” can lead to shifting issues later.
Clean and Lubricate: Thoroughly clean the hub to remove any protective anti-rust coating. Apply a light layer of the specified ZF transmission oil to the splines to prevent galling during the first shift.
Use a Press Tool: Always use a proper hydraulic press and the correct sleeve driver to seat the hub on the shaft. Never use a hammer, as it can deform the precision-cut teeth and cause the synchronizer to bind.
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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