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1329 304 011
ZF
OE Part No.: 1329 304 011 (38 teeth gear), 1328 302 061 (matching auxiliary gear)
Product Type: ZF 12AS Series Main / Countershaft Transmission Gear Set
Compatible Gearbox: ZF 12AS series 12-speed AMT heavy-duty transmissions (12AS2140TD, 12AS2340TD, 12AS2540TD, 12AS2541TD, 12AS2740TO etc.)
Applicable Vehicles: MAN, DAF, IVECO, Sinotruk SITRAK and other heavy trucks with ZF 12AS 12-speed gearboxes
Material: Forged alloy steel, carburized & quenched heat treatment, high precision helical gear
1329 304 011 Spec: 38 teeth (Z38), weight approx 2.96kg
Function: Transmit main drive torque, realize gear ratio conversion, ensure smooth shifting and stable power output
Category: ZF 12-Speed AMT Heavy Truck Gearbox Main Shaft Gear Repair Spare Parts
Material & Advantages
Precision forged and carburized hardened alloy steel, high surface hardness, wear resistance and impact resistance, long service life under high torque heavy load
Accurate helical tooth profile, smooth meshing, reduce noise, vibration and synchronizer wear
OEM standard dimensions, tooth parameters and spline specifications, direct fit replacement during gearbox overhaul
Optimized for heavy-duty long-distance transport and mountain road frequent shifting conditions
Restore normal shift quality, reduce gearbox damage risk and extend overall transmission service life
Application
Replace worn, chipped or damaged gears during ZF12AS full gearbox overhaul
Repair persistent abnormal noise, vibration, rough shifting and gearbox fault codes
Routine heavy truck transmission maintenance and periodic inspection of main gears
Rebuild ZF12AS gearboxes for long-haul fleets and special vehicles
Follow ZF official service manual for meshing clearance, backlash and assembly torque specifications
Origin & Lead Tim
In stock, delivery within 1–3 working days; bulk orders: 4–7 days; sea freight: 10–24 days
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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