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ZF Part 1269304137 Synchronizer Cone for Heavy-Duty Transmissions | Genuine Gearbox Spare
- 24/7 order processing with DHL/FedEx express options.
- In-stock availability for urgent repairs.
- Free technical guidance on installation and compatibility
- P/N:1269304137
ZF Part 1269304137 Synchronizer Cone for Heavy-Duty Transmissions | Genuine Gearbox Spare


Technical Specification
The ZF Synchronizer Cone 1269304137 is a critical component designed to facilitate smooth and precise gear transitions in heavy-duty manual transmissions. As a core element of the synchronizer assembly, this cone utilizes a high-performance friction lining (often Molybdenum or Carbon-based) to equalize the speeds of the gear and the shaft during shifting.
| Attribute | Specification |
| Brand | ZF Friedrichshafen AG |
| Part Number | 1269304137 / 1269.304.137 |
| Component Type | Synchronizer Cone / Friction Ring |
| Material | High-Strength Forged Steel |
| Friction Coating | Specialized High-Wear Resistance Coating |
| Application Range | ZF Ecosplit, Ecomid, and New Ecosplit Series |
| Vehicle Compatibility | MAN, DAF, IVECO, Renault, and Volvo Trucks |
| Weight | 0.45 kg |
Simple Install Tips
Proper installation of the ZF 1269304137 Synchronizer Cone is vital for gearbox health. Follow these expert tips:
Check Friction Surfaces: Before installation, inspect the mating synchronizer ring and gear taper. If there are signs of scoring or blueing (overheating), replace the mating components along with the cone.
Cleanliness is Crucial: Use a lint-free cloth and specialized brake cleaner to remove any anti-corrosion oil from the new cone before installation. Contaminants can reduce the friction coefficient and cause shifting issues.
Pre-Lubrication: Dip the synchronizer cone in the specific transmission fluid (approved ZF-TE-ML oil) before assembly. Never install a synchronizer cone “dry.”
Measure Clearance: Use a feeler gauge to check the “A-dimension” (clearance) between the synchronizer ring and the gear. If the clearance is below ZF’s wear limit, the synchronization will fail.
Alignment: Ensure the lugs of the synchronizer cone are perfectly aligned with the slots in the synchronizer body to avoid crushing the component during gearbox casing 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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