ZF 1297 304 484 Synchronizer Ring
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ZF 1297 304 484 Synchronizer Ring

1297 304 484 is OEM friction synchronizer ring matched for ZF 16S series heavy-duty truck manual gearboxes, compatible with mainstream European commercial vehicles including Volvo, DAF, Iveco and Mercedes-Benz. As the core tapered friction component of the 3/4 gear synchronizer assembly, it generates stable friction torque to balance the rotational speed of meshing gears during shifting, effectively cutting shift impact and gear grinding noise for smooth gear selection. Long-term full-load transportation, frequent up-and-down shifts and insufficient lubrication will wear the cone friction surface, resulting in slow synchronization, stiff shifting and abnormal gear noise; this synchronizer ring thoroughly solves such common transmission faults for long-haul heavy trucks.
 
Availability:
Quantity:
  • 1297 304 484

  • ZF

  • 1297 304 484

Product parameters

Basic Info

  • OE Part No.: 1297 304 484

  • Product Type: Gearbox Synchronizer Friction Ring

  • Brand: ZF OEM Matching Spare Parts

  • Compatible Gearbox: ZF 16S150, 16S1650, 16S220, 16S2280 heavy truck manual transmissions

  • Cross Reference OE Numbers: Volvo 1662711, DAF 1342731, Iveco 42532487, Mercedes 0002627034

  • Material: 20CrMnTi alloy steel, carburized quenched with high wear-resistant friction coating on cone surface

  • Net Weight: approx 0.265kg

  • Function: Realize speed synchronization via friction during gear shifting, reduce shifting shock, protect gear teeth and synchronizer sliding sleeve

  • Category: Heavy Truck ZF 16S Series Gearbox Synchronizer Repair Spare Parts

Material & Advantages

  1. Carburized quenched alloy steel substrate, outstanding heat resistance and abrasion resistance to endure repeated high-load friction cycles

  2. Precisely machined uniform taper surface with stable friction coefficient, enabling fast and reliable gear synchronization

  3. Fully compliant with OEM dimensional standards, matching original synchronizer cone and sliding sleeve perfectly, direct bolt-on installation without modification

  4. Restores smooth shifting performance, eliminates gear grinding sound and extends the whole synchronizer kit service life

  5. Suitable for full-load highway haulage, mountain climbing and frequent gear shift working conditions of heavy commercial vehicles

Application Scenarios

  • Replace worn, scorched, deformed synchronizer rings of ZF 16S series synchronizer assemblies

  • Repair slow synchronization, hard gear shifting and abnormal grinding noise during gear selection

  • Complete synchronizer overhaul and regular maintenance for logistics heavy truck fleets

  • Assemble with matched synchronizer cone and hub following official ZF assembly specifications

Supply & After-sale

  • MOQ: 1 piece

  • Warranty: 3–6 months (excluding improper installation, overload, poor lubrication and normal abrasion)

  • Packaging: Independent shockproof foam + carton packaging

  • Remarks: Confirm gearbox model and cross reference OE numbers before placing orders

About yongliwei

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Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.

Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.

In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Company information (1)

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.

Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.

Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.

Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

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* 8000 square meters of large warehouse.

* A number of maritime, land, air transport international logistics companies work closely together.

* To provide you with convenient, fast and low-cost e-commerce one-stop service.

About Us
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