Basic Info

• OE Part No.: 0501 223 660

• Cross Reference OE: Sinotruk OEM part WG22032101, Eurotec 95009145

• Product Type: Gear Shift Pneumatic Booster Assembly / Shift Servo Cylinder

• Brand: ZF OEM Matching Transmission Pneumatic Shift Repair Spare Parts

• Compatible Gearbox: ZF 16S151NMV, 16S1930, 16S2230, 16S2530, 16S2531 Ecosplit4 16-speed manual heavy truck transmission

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

• Material: High-pressure die-cast aluminum cylinder housing, nodular cast iron piston, HNBR high-temperature resistant integrated sealing set

• Net Weight: approx 2.16kg (reference value)

• Standard Working Air Pressure: 5–8 bar

• Matching Components: Shift rocker assembly, shift control valve, air pipeline, shift linkage

• Function: Supply auxiliary pneumatic thrust for gear selecting and shifting, lighten shift operation force, guarantee fast and stable gear engagement

• Category: Heavy Truck ZF 16S Series 16-Speed Transmission Shift Pneumatic Assist System Repair Spare Parts

Material & Advantages

1. Integral die-cast aluminum cylinder body with thickened reinforcing structure, anti-deformation under long-term reciprocating air pressure impact

2. Built-in high-precision piston and multi-channel composite sealing structure, effectively prevent internal and external air leakage caused by seal aging

3. Pre-assembled complete unit with standard mounting hole spacing and push rod stroke consistent with OEM, direct bolt-on installation during overhaul without modification

4. Optimized internal air flow channel design for fast response, reduce shift lag and gear jamming risks

5. Wide working temperature range, adapt to high-frequency shifting of long-distance full-load highway and mountain heavy transport vehicles

6. Integrated finished assembly saves separate purchase of piston, seals and push rod, lower assembly failure risk

Application Scenarios

• Replace air-leaking, slow-response, jamming original shift booster assembly marked 0501 223 660 for ZF 16-speed Ecosplit4 gearbox

• Fix vehicle faults including heavy gear shifting, slow gear engagement, shift booster abnormal air consumption, difficulty engaging gears

• Complete gear shift pneumatic system disassembly overhaul and regular maintenance for fleets equipped with ZF 16-speed manual gearbox

• Assemble matched shift rocker and air pipelines following official ZF shift mechanism assembly standards

Supply & After-sale

• MOQ: 1 piece

• Warranty: 3–6 months (exclude contaminated compressed air, improper linkage adjustment, collision damage and natural seal aging abrasion)

• Packaging: Independent reinforced fumigated wooden case + full inner shockproof foam wrapping to protect cylinder sealing surface and push rod from scratch and deformation

• Remarks: Confirm gearbox model ZF 16S Ecosplit4 series before order placement; adjust shift linkage stroke evenly after installation

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.