21422765 VOE21422765 Engine Belt Tensioner for Construction Machinery & Trucks | Heavy Duty Belt Tensioner

The 21422765 / VOE21422765 Engine Belt Tensioner is a replacement component designed for compatible truck and construction machinery diesel engine applications. It helps maintain proper tension on the engine drive belt, supporting stable belt operation and reliable power transmission to engine accessories.

Built for demanding heavy-duty working environments, this belt tensioner combines a durable metal housing, precision tensioning mechanism and wear-resistant pulley to provide consistent performance during long operating hours.

• Stable Belt Tension – Helps maintain appropriate tension on the engine drive belt during operation.
• Reliable Power Transmission – Supports smooth operation of belt-driven engine accessories.
• Heavy-Duty Construction – Designed for construction machinery and commercial vehicle operating environments.
• Wear-Resistant Pulley – Built to withstand continuous rotation and extended operating cycles.
• Reduced Belt Vibration – Proper tension helps minimize excessive belt movement, slipping and vibration.
• Precision Fit – Manufactured for compatible mounting dimensions and straightforward replacement.
• Long Service Performance – Durable construction provides dependable performance under demanding operating conditions.

The engine belt tensioner plays an important role in the accessory drive system. It applies controlled tension to the drive belt so the belt can maintain proper contact with the pulleys.

A worn or damaged tensioner may cause symptoms such as:

• Belt slipping
• Abnormal belt noise
• Excessive belt vibration
• Uneven belt wear
• Insufficient belt tension
• Premature drive belt failure

Replacing a worn tensioner can help restore proper operation of the engine belt drive system.

Main Part Number: 21422765
Reference / Cross Number: VOE21422765

For accurate fitment, please compare the part number, mounting position, pulley dimensions and machine/engine information with your original component before ordering.

Suitable for compatible:

Construction machinery • Trucks • Heavy-duty diesel engines • Excavators • Loaders • Industrial equipment

Specific compatibility can vary by machine model, engine configuration and serial number. Please provide your equipment model or engine serial number if you need us to verify compatibility.

JISION supplies replacement parts for construction machinery and heavy-duty diesel engines, including engine components, hydraulic parts, electrical parts, fuel system components and other replacement parts.

For the 21422765 / VOE21422765 belt tensioner, we focus on:

Reliable Quality · Accurate Fitment · Stable Performance · Professional Parts Support

For faster quotation and compatibility confirmation, please provide:

Part Number: 21422765 / VOE21422765
Machine Model: Your equipment model
Engine Model: If available
Serial Number: Recommended
Quantity: Required order quantity

JISION – Reliable Construction Machinery & Diesel Engine Parts Supplier.