Basic Info

• OE Part No.: 1358 302 066

• Cross Reference OE: MAN 81325220065, DAF 2349505, Iveco 42582754, Eurotec 95008243

• Product Type: Main Shift Pneumatic Actuator Cylinder Housing / Air Cylinder 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-duty tractors

• Material: High-density pressure die-cast aluminum alloy, inner cylinder bore precision honing treatment

• Net Weight: approx 5.225kg (reference value)

• Matching Components: Main shift cylinder piston, NBR sealing O-rings, reset compression spring, shift push rod, air pipe joint

• Function: Form sealed pneumatic chamber, provide smooth reciprocating slide inner bore for piston, integrate air inlet/outlet channels, fix shift actuator assembly

• Category: Heavy Truck ZF 12TRAXON AMT Transmission Main Shift Pneumatic System Repair Spare Parts

Material & Advantages

1. High-pressure die-cast aluminum alloy with integrated thick reinforcing ribs, high structural rigidity, resistant to vibration and impact under long-distance bumpy road conditions

2. Inner cylinder bore ultra-precision honing process, smooth mirror surface, effectively avoid piston pull-scratch and internal air leakage

3. Integrated forming air inlet and outlet flow channels, consistent with OEM air path layout to guarantee stable air pressure transmission

4. Standard bolt hole distribution, thread hole precision tapping, perfect matching with original mounting bracket without cutting or polishing modification during overhaul

5. Optimized wall thickness design, balance light weight and compression resistance, adapt to long-term high-pressure pneumatic impact

6. Effectively eliminate shift lag, gear engagement failure and excessive air consumption, extend service life of matched piston and sealing components

Application Scenarios

• Replace cylinder housing marked 1358 302 066 with scratched inner bore, cracked body, damaged thread and air leakage for ZF 12TRAXON gearbox

• Fix transmission faults including delayed main gear shifting, failure to engage gears, continuous air leakage and high air consumption

• Complete main shift pneumatic actuator disassembly overhaul and regular maintenance for logistics heavy truck fleets

• Assemble matched piston, sealing rings and reset spring following official ZF cylinder assembly standards

Supply & After-sale

• MOQ: 1 piece

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

• Packaging: Reinforced fumigated wooden case + internal shockproof foam wrapping to prevent cylinder bore scratch and casing 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.