▌Product Overview
The ZF Synchronizer Ring 1297 304 484 is a transmission component used in compatible manual gearbox synchronizer assemblies. It helps equalize rotational speeds during gear changes, supporting smoother engagement between transmission components.
For commercial vehicle transmission maintenance and overhaul, the synchronizer ring is an important part of the gear-shifting mechanism. This part number is associated with selected ZF transmission applications and related cross-reference listings, making it relevant to replacement-part sourcing for compatible gearbox configurations.
Technical Specifications
| Item | Specification |
| Product Name | Synchronizer Ring |
| Part Number | 1297 304 484 |
| Original Number Format | 1297.304.484 |
| Brand Reference | ZF |
| Component Category | Transmission Synchronizer |
| Application Reference | Selected compatible ZF manual transmissions |
| Weight | 0.28KG |
▌How the Synchronizer Ring Works
During a manual transmission gear change, the rotational speeds of the relevant transmission components may differ. The synchronizer assembly helps bring these speeds closer together before the selected gear engages.
The synchronizer ring contributes to this process through friction at the mating surfaces. This helps reduce speed differences during engagement and supports smoother gear selection.
Its performance depends on the condition of the complete synchronizer assembly, including the mating cone surfaces, synchronizer hub and sliding sleeve. These components work together during gear changes rather than operating independently.
▌ZF Gearbox Applications
Synchronizer ring 1297 304 484 appears in parts-reference listings for selected ZF manual transmission applications. Some catalog listings associate this number with gearbox families in the ZF 6S and 16S ranges.
The precise application depends on the gearbox version and internal configuration. For commercial vehicle parts distributors, transmission repair businesses and overhaul workshops, the relevant gearbox model is useful when confirming the correct replacement component.
▌When Is a Synchronizer Ring Replaced?
A synchronizer ring may be inspected when a manual transmission develops shifting difficulties or when the gearbox is dismantled for scheduled repair or overhaul. Wear on friction surfaces can affect how effectively the synchronizer assembly matches rotational speeds.
During servicing, technicians generally assess the ring alongside the mating components and other parts of the synchronizer assembly. The replacement decision depends on the inspection findings and the transmission manufacturer’s service requirements.
For parts distributors and repair workshops, having the correct synchronizer component available helps support planned transmission maintenance and repair work.
▌Sourcing ZF Synchronizer Ring 1297 304 484
YiZhi Power supports B2B inquiries for transmission components and replacement parts. If you are sourcing synchronizer rings for gearbox repair, maintenance or distribution, contact our team with the part number, required quantity and destination country.
▌Frequently Asked Questions
1. What is ZF Synchronizer Ring 1297 304 484?
It is a transmission synchronizer component used in compatible manual gearbox assemblies to help match rotational speeds during gear changes.
2. What does a synchronizer ring do in a gearbox?
The ring creates friction against mating synchronizer surfaces to help equalize rotational speeds before gear engagement, supporting smoother shifting.
3. Which transmissions use part number 1297 304 484?
Parts-reference listings associate this number with selected ZF manual transmission applications. The exact gearbox compatibility should be established from the applicable transmission parts catalog.
4. When should a transmission synchronizer ring be replaced?
Replacement may be considered when inspection reveals wear or damage to the ring’s working surfaces during transmission maintenance or overhaul. The surrounding synchronizer components should also be inspected.
5. How can I request a quotation for this synchronizer ring?
Contact YiZhi Power with part number 1297 304 484, your required quantity and destination country to discuss availability and quotation details.
