ZF5S408 Countershaft Teeth 1333 303 050
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ZF5S408 Countershaft Teeth 1333 303 050

1333 303 050 is the countershaft (lay shaft) gear for ZF Ecolite ZF5S408 5-speed medium-duty manual truck/bus transmissions. It forms the core intermediate power transmission gear of the 5-speed gearbox, transferring torque between input shaft and main shaft for different gear ratios, enduring repeated variable load operation, ensuring stable meshing and reducing abnormal noise, vibration and premature tooth wear. It is widely used on medium trucks, light buses and commercial vehicles equipped with the ZF5S408 5-speed manual gearbox.
 
Availability:
Quantity:
  • 1333 303 050

  • ZF

Product parameters

Basic Info

      • OE Part No.: 1333 303 050

      • Brand: ZF

      • Product Type: Countershaft / Lay Shaft Gear

      • Compatible Gearbox: ZF5S408 (Ecolite) 5-speed medium-duty manual transmission

      • Material: High-alloy carburized quenched steel, precision machined teeth

      • Product Weight: Net weight approx 2.6kg; gross weight approx 2.9kg (with simple packaging) (reference value, official spec not available)

      • Function: Intermediate power transmission, establish different gear ratios, transfer torque between input shaft and main shaft

      • Applicable Vehicles: Medium trucks, light buses, commercial vehicles with ZF5S408 5-speed manual gearbox

      • Category: ZF5S408 Ecolite 5-Speed Transmission Core Countershaft Spare Parts



  • Material & Advantages


  1. Deep carburized alloy steel construction, high surface hardness, wear resistance and impact resistance for frequent variable load cycles

  2. Precision tooth machining, smooth meshing, reduce transmission vibration, abnormal noise and tooth surface pitting damage

  3. Standard OEM mounting dimensions, direct fit replacement for ZF5S408 gearbox overhaul

  4. Stabilize overall gear train operation, protect bearings, synchronizers and other gearbox components

  5. Matches original ZF Ecolite 5-speed gearbox structure, maintains original gear ratios and transmission efficiency



Application


For ZF5S408 gearbox overhaul and maintenance. Replace when gear teeth show pitting, chipping, excessive wear, cracking, or persistent abnormal noise and unstable power delivery. Check bearings, shafts, synchronizers and oil cleanliness during replacement; lubricate with specified ZF manual transmission oil; test full gear range operation after assembly; avoid long-term overload driving to reduce gear fatigue damage.


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
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