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8171737
Volvo
OE Part No.: 8171737 (interchange: 1521438, 7408171737)
Brand: Volvo
Product Type: Gearbox Synchronizer Cone Ring / Synchro Ring
Compatible Gearbox: Volvo VT, AT, ATO, VTO series heavy-duty manual transmissions
Applicable Vehicles: Volvo FH, FM, FH12, FH16, NH12 and other Volvo heavy-duty long-haul trucks
Material: Copper alloy / sintered friction material with high friction coating
Product Weight: approx 0.4kg (reference value)
Function: Friction synchronization during gear shifting, reduce shift impact, achieve smooth gear engagement, protect gears and shift components
Category: Volvo Heavy Truck Transmission Synchronizer System Spare Parts
Material & Advantages
High-friction copper alloy friction surface, stable friction coefficient, durable under repeated heavy-duty shifting cycles
Precision tooth and notch structure, perfectly matches synchronizer hub and sleeve assembly
Standard OEM dimensions, direct fit replacement for Volvo VT/AT series gearbox overhaul
Reduces gear grinding noise, stiff shifting and shift delays, improves shifting comfort
Extends synchronizer service life, avoids damage to main gears and shift sleeves, reduces overall maintenance costs
Application
Inspect the synchronizer hub, sleeve, keys and springs during replacement
Ensure proper transmission oil specification and oil level
Test shift operation after installation, confirm smooth shifting with no grinding noise
Avoid aggressive shifting and prolonged overloading to slow friction surface wear
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.
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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