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Weichai 1003807321B Belt Tensioner Pulley Assembly - Image 1

Weichai 1003807321B Belt Tensioner Pulley Assembly


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Part NameAutomatic Belt Tensioner Pulley
Belt TypeSerpentine
Mounting StyleDirect Fit
Housing MaterialCast Aluminum
Pulley MaterialWear-Resistant Composite
ApplicationsEngine Accessory Drive
Tensioner TypeTorsion 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.