The 12JS160T-1707140 synchronizer is a core component of heavy-duty truck gearboxes. It enables smooth, noiseless gear shifting by synchronizing the speed of the gear and the shaft before engagement. A worn or low-quality synchronizer causes difficult gear shifting, grinding noise, and even gear damage.
OE No.: 12JS160T-1707140. Direct OEM replacement, same size and structure as original, no modification needed.
Fits 12JS160T series gearboxes, commonly used in heavy-duty trucks and engineering vehicles. Send your VIN or gearbox model for quick fit confirmation.
Key Specifications
- Part Number: 12JS160T-1707140
- Key Material: High-strength brass synchronizer rings. They provide the friction needed for smooth shifting.
- Function: It matches the speed of the gear and collar before they connect. This stops grinding and gives you a smooth, no-crunch shift.
- Durability: It's built for tough conditions and heavy loads, so it lasts a long time.
- Replacement Tip: Don't just change the synchro ring. Always check the gear teeth it connects to and replace the ring, hub, and sleeve together as a kit. This saves you time and avoids future issues.
advantages
- Quick sync shifts, less jerking ：this syncs gears fast-no grinding or hesitation. The brass cones lock in quick, so shifting between high and low ranges feels smooth, even under heavy loads. No more rough jolts when changing gears.
- Wear-resistant alloy, tough and long-lasting：made with strong sintered bronze sync rings. They handle heat and friction way better than cheap ones. Seen these hold up in big torque rigs-hardly wear down, lasts way longer.
- High-strength build, impact-resistant：the steel hub and keys are heat-treated, super strong. Takes a beating from rough shifting on bumpy roads-won't crack or bend. Tough as nails.
- OEM-spec fit, easy to install：drops right into 12JS160T transmissions, same as original.
Compatible Models & OEM/ODM
Fits SHACMAN F3000 series heavy-duty trucks.
Also works with SINOTRUK HOWO, FAW J6, Foton Auman, and similar 12-speed manual transmission models.
In stock year-round, fast shipment
Bulk order lead time: 7–10 days
MOQ: 1 piece for samples; wholesale MOQ negotiable
Free installation guidance, 24/7 technical support
Warranty: Free replacement for quality defects (material or manufacturing issues)
Support OEM/ODM: custom processing based on drawings or samples, including tooth profile and size adjustment
Application
This 12JS160T-1707140 synchronizer is mainly used for 12JS160T series gearboxes, widely applied to heavy-duty trucks, dump trucks, long-haul tractors and engineering transport vehicles.
It is commonly used on:
Long-haul logistics tractors and cargo trucks requiring frequent gear shifting
Dump trucks, construction trucks and engineering transport vehicles working under heavy load
Mining trucks and off-road vehicles operating on rough roads
Various heavy-duty commercial vehicles equipped with 12JS160T gearboxes
This synchronizer performs stably under frequent gear shifting, heavy load and harsh working conditions. It ensures smooth gear changing, reduces wear of gearbox components, and maintains stable operation of the vehicle. It is widely used in domestic, Southeast Asia, Central Asia, Russia and African markets, trusted by fleets, repair shops and parts distributors.
FAQ
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