ZF16S2530 Synchronizing Ring 1297 304 515
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ZF16S2530 Synchronizing Ring 1297 304 515

1297 304 515 is a main box synchronizing ring (synchro ring) for ZF Ecosplit 16S2530 16-speed heavy-duty manual transmission. It is a friction component of the main gearbox synchronizer assembly, providing friction torque to equalize gear speeds during gear shifts, enabling smooth meshing of gears and reducing shift impact and grinding noise. It solves common faults such as shift grinding, stiff gear selection, burnt friction surfaces and poor synchronization performance, widely used on Sinotruk Sitrak, Howo, MAN, DAF, IVECO and other long-haul heavy tractor trucks.
 
Availability:
Quantity:
  • 1297 304 515

  • ZF

Product parameters

Basic Info

    • OE Part No.: 1297 304 515 (1297304515)

      • Brand: ZF

      • Product Type: Main Box Synchronizing Ring / Synchronizer Ring

      • Compatible Gearbox: ZF Ecosplit 16S2530 16-speed heavy-duty manual truck transmission

      • Material: Copper alloy / high-alloy steel with precision friction surface, heat-treated

      • Applicable Vehicles: Sinotruk Sitrak, Howo T7H, MAN, DAF, IVECO, Renault heavy-duty long-haul tractor trucks

      • Category: ZF Heavy Truck Transmission Spare Parts – Main Box Synchronizer Components


  • Material & Advantages


  • Special friction surface material, stable friction coefficient, good heat resistance and wear resistance for frequent low/high gear shifting

  • Precision tooth structure, perfectly matched with synchronizer sleeve and gear hub, ensuring accurate meshing

  • Standard OEM dimensions, direct replacement during ZF16S2530 transmission overhaul

  • Heavy-duty vibration-resistant design, adapted to long-distance heavy haulage and mountain road operating conditions

  • Reduces shift noise and impact, protects gears and other synchronizer parts, extending overall gearbox life



Application


For ZF 16S2530 16-speed transmission overhaul and main box synchronizer maintenance. Replace if friction surface is worn, grooved, burnt or deformed, which causes grinding noise and difficult gear shifting. Clean the matching synchronizer hub and sleeve, check for excessive clearance; install correctly with proper alignment; use specified ZF heavy-duty transmission fluid; test gear shifting after installation, confirm no abnormal grinding noise or shift delay.



Origin & Lead Time

In stock, delivery within 1–3 working days; bulk orders: 4–7 days; sea freight: 10–24 days


MOQ & Packing

MOQ: 1 piece
Warranty: 6 months, not covered for improper programming, water damage, overvoltage and unauthorized circuit modification
Packing: Anti-static bag + shockproof foam + reinforced export carton

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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