Genuine HOWO Parts - VG1246060005 Automatic Belt Tensioner Pulley Assembly for Sinotruk WD615 Engine

A failing tensioner is the leading cause of roadside breakdowns for heavy-duty trucks. The VG1246060005 Automatic Tensioner Pulley Assembly is a critical component in the Sinotruk HOWO engine’s accessory drive system. Its primary job is to maintain constant, precise tension on the serpentine belt, powering the alternator, fan, and water pump.

As a dedicated supplier of HOWO parts, we provide this genuine assembly featuring a high-fatigue internal spring and a premium-sealed bearing. This ensures that even under the extreme thermal cycles of a WD615 or D12 engine, the tensioner won't seize or lose its dampening capacity—protecting you from expensive belt snaps and engine overheating.

Technical Specifications

Maintenance Insight: When to replace your VG1246060005

1. Audible Squealing: If you hear a high-pitched chirping from the front of your HOWO engine at idle.

2. Belt Flutter: Visible vibration of the belt while the engine is running indicates the internal damping of the tensioner has failed.

3. Pulley Wear: Any lateral play or "wobble" in the pulley indicates bearing fatigue.

4. We recommend replacing the drive belt (VG1500060050) whenever installing a new VG1246060005 tensioner to ensure a complete system refresh.

5. Orders for HOWO parts are dispatched within 24 hours from our Jinan or Guangzhou hubs. We use DHL, FedEx, and specialized sea-freight routes for the African and Southeast Asian markets.