
Weichai 1003807321B Belt Tensioner Pulley Assembly
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| Part Name | Automatic Belt Tensioner Pulley |
| Belt Type | Serpentine |
| Mounting Style | Direct Fit |
| Housing Material | Cast Aluminum |
| Pulley Material | Wear-Resistant Composite |
| Applications | Engine Accessory Drive |
| Tensioner Type | Torsion Spring |
Manufacturer No.
1003807321B1003807321
OEM Part No.
10038073211003807321B
Engine Part No.
Weichai WP4Weichai WP4.1Weichai WP4.1NWeichai WP4.6NWeichai WP4.6NQ220E50
Fitment Vehicles
Sinotruk HowoSinotruk SitrakSinotruk SteyrFotonShacmanYutongKinglong
Engine System - Industrial Encyclopedia
OEM replacement automatic belt tensioner pulley for Weichai WP4 series diesel engines. Maintains precise serpentine belt tension for reliable accessory drive operation. Direct-fit design with cast aluminum housing.
