Truck Transmission Repair Kits ZF 12AS2540 12AS2330
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Truck Transmission Repair Kits ZF 12AS2540 12AS2330

These repair kits are dedicated overhaul/maintenance kits for ZF AStronic 12AS2540TO and 12AS2330TO 12-speed AMT heavy-duty truck transmissions, used for routine maintenance and full gearbox rebuilds. The kits include gaskets, oil seals, O-rings, bearings, synchronizer components, bushings, washers and other consumable parts, solving common issues such as oil leakage, abnormal noise, synchronizer wear, bearing damage and seal aging, restoring shift performance and reliability for long-haul heavy trucks.
 
Availability:
Quantity:
  • 12AS2330

  • ZF

  • 12AS2330 12 AS 2140

Product parameters

Basic Info

      • Compatible Models: ZF AStronic 12AS2540TO, 12AS2330TO 12-speed automated manual heavy truck transmissions

      • Brand: ZF / aftermarket matching parts

      • Product Type: Transmission Overhaul Repair Kit / Seal Kit / Bearing Kit / Synchronizer Repair Kit

      • Main Components: Oil seals, gaskets, O-rings, needle bearings, ball bearings, synchronizer rings, sliding sleeves, bushings, snap rings, washers, sealing gaskets, shift mechanism repair parts, optional retarder seal parts

      • Material: Nitrile/FKM rubber seals, bearing steel, alloy steel synchronizer parts, high-temperature gasket materials

      • Applicable Vehicles: MAN, DAF, IVECO, Sinotruk, FAW J7 and other long-haul heavy tractor trucks fitted with ZF AStronic 12AS series 12-speed AMT gearboxes

      • Category: Heavy Truck Transmission Spare Parts – Overhaul Repair Kits

      • Types: Minor service seal kits, full overhaul kits, synchronizer repair kits, shift actuator repair kits, retarder repair sub-kits



  • Material & Advantages


  1. OEM-spec dimensions, perfect fit for 12AS2540 / 12AS2330 gearbox housings, shafts and synchronizer assemblies

  2. High-temperature, wear-resistant FKM/NBR oil seals, preventing long-term high-load oil leakage

  3. Precision bearings and hardened synchronizer components, reducing noise and extending service life

  4. Complete matching consumables for one-time full overhaul, shortening repair downtime

  5. Adapted to AMT electronic shift system and optional hydraulic retarder configurations

  6. Resistant to vibration and heavy-load conditions for long-distance heavy haul transport



Application


For scheduled maintenance and full overhaul of ZF 12AS2540 / 12AS2330 12-speed AMT transmissions. Clean all oil passages and mating surfaces thoroughly during assembly; replace all old seals, gaskets and worn bearings/synchronizer parts; follow official ZF assembly torque specs; use specified ZF heavy-duty transmission fluid; complete TCU adaptive learning and retarder calibration if applicable; test shift function, check for oil leaks and abnormal noise before formal operation.



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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* 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
19 years experience for gearbox, 5000㎡ warehouse stocked parts, professional team and high quality after-sale service, your inquiry will be our priority.
Contact Us
Email: truckparts@yongliwei.com 
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            transmission@yongliwei.com
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WhatsApp: +86-13593740499 / +86-18807289527/+8618772950034
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