Weichai Z20290039 Automatic Belt Tensioner Assembly
Express Free Shipping
3-Year Factory Warranty
90-Day Hassle-Free Returns
24/7 Dedicated Support
| Type | Automatic Belt Tensioner |
|---|---|
| Mounting Configuration | Engine Block Mounted |
| Belt Type | Serpentine / Poly-V |
| Pulley Material | Steel / High-Strength Polymer |
| Operating Temperature Range | -40°C to 120°C |
| Net Weight | 1.3 kg |
| Package Dimensions | 16 × 12 × 11 cm |
Manufacturer No.
- Z20290039
OEM Part No.
- Z20290039
Engine Part No.
- Weichai WP3
- Weichai WP3.2
Fitment Vehicles
- Sinotruk Howo
- Sinotruk Sitrak
- Sinotruk Steyr
The Z20290039 automatic belt tensioner is engineered for Weichai WP3 series diesel engines. It ensures consistent belt tension across operating temperatures and load variations, preventing belt slip, noise, and premature wear on the accessory drive system. The unit features a calibrated spring mechanism and a sealed pivot bearing designed for heavy-duty commercial vehicle duty cycles. Direct replacement for Weichai OEM part number Z20290039, compatible with Sinotruk Howo, Sitrak, and Steyr heavy truck platforms equipped with WP3 powerplants.
Related Technical Components & Compatible Parts
Cummins 4947323 Air Compressor Assembly
4947323Cummins
Perkins 145206210 Thermostat
145206210Perkins
Weichai 1003807321B Belt Tensioner Pulley Assembly
1003807321BWeichai
Linhai 35297 CVT Drive Belt
35297Linhai
Volvo 21372815 V-Ribbed Fan Belt Assembly
K120786Volvo
Mercedes-Benz A4722000370 Belt Tensioner Assembly
T38720Mercedes Benz
ACDelco 12560344 Drive Belt Tensioner Assembly
12560344Acdelco
Mopar 68027603AA Idler Pulley Assembly
68027603AAMopar