Basic Info

• OE Part No.: 1328 331 004

• Alternative OEM Codes: ZF 1328 331 002, 1328 331 003; MAN 81321060275; DAF 1945607; Iveco 42568900

• Product Type: Gearbox Rear Housing / Rear Tail Cover Casing

• Brand: ZF OEM Matching Replacement Spare Parts

• Compatible Gearbox: ZF 12TRAXON 12TX2420 / 12TX2620 / 12TX2820 AMT 12-speed heavy truck transmission

• Applicable Vehicles: Sinotruk Sitrak, FAW J7, MAN TGX, DAF XF, Iveco Stralis heavy haul tractors

• Material: High-strength pressure die-cast aluminum alloy, integrated reinforcing rib casting

• Net Weight: approx 0.73kg (reference value)

• Matching Components: Output shaft bearing, rear oil seal, output flange, tail lubrication oil channel

• Function: Seal gearbox tail chamber, fix output shaft bearing assembly, reserve oil circulation passage, provide mounting positioning interface for rear output flange

• Category: Heavy Truck ZF 12TRAXON AMT Transmission Shell Repair Spare Parts

Material & Advantages

1. High-pressure die-cast aluminum alloy with integrated thick reinforcing ribs, light weight and high structural rigidity, resistant to vibration deformation under mountain bumpy road conditions

2. Precision CNC machining sealing surface and bolt hole positions, flat fitting surface to avoid oil seepage between main box and rear housing

3. Standard OEM inner cavity and mounting hole dimension, perfect matching with output shaft bearing and oil seal without cutting or polishing modification during overhaul

4. Built-in integrated tail lubrication oil flow channel design, stable oil supply for output shaft and rear synchronizer parts

5. Unified overall flange size consistent with original housing, direct bolt-on assembly during gearbox overhaul without secondary processing

6. Compact lightweight design, effectively reduce overall transmission load, adapt to long-distance full-load logistics transportation working conditions

Application Scenarios

• Replace cracked, thread damaged, deformed and leaking original rear housing marked 1328 331 004 for ZF 12TRAXON gearbox

• Fix gearbox tail oil leakage, output shaft bearing loose positioning and abnormal tail vibration faults

• Complete gearbox disassembly overhaul and regular maintenance for logistics heavy truck fleets

• Assemble matched output bearing, rear oil seal and output flange following ZF official assembly standards

Supply & After-sale

• MOQ: 1 piece

• Warranty: 3–6 months (exclude collision crack, improper installation, overload and natural aging abrasion)

• Packaging: Independent shockproof foam + thick carton sealed packaging to prevent casing collision scratch and deformation

• Remarks: Confirm gearbox model 12TRAXON 12TX series before order placement to guarantee matching accuracy

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.

* 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.