for Volvo Penta 4.3L 5.0L 5.7L 7.4L 8.2L GXi GI 385 415 Belt Tensioner 3860079

Belt Tensioner for Volvo Penta

This belt tensioner for Volvo Penta maintains proper tension on the serpentine belt for reliable accessory drive operation. Engineered for Volvo Penta 4.3L, 5.0L, 5.7L, 7.4L, and 8.2L engines, it ensures consistent performance and reduces belt slippage. The tensioner is a direct replacement for OEM part 3860079.

Overview

This belt tensioner for Volvo Penta is a critical component that keeps the drive belt correctly tightened, preventing slippage and premature wear. It is designed for Volvo Penta engines, including GXi and GI series, and provides a reliable replacement for OEM 3860079. The tensioner ensures smooth operation of the alternator, water pump, and other belt-driven accessories.

Built For Performance

• Pre-tensioned spring maintains constant belt pressure
• Sealed bearing reduces maintenance and extends service life
• Corrosion-resistant coating for marine environments
• Direct bolt-on replacement for OEM 3860079
• Lightweight aluminum housing minimizes engine strain

Fits These Machines

• for Volvo Penta 4.3L
• for Volvo Penta 5.0L
• for Volvo Penta 5.7L
• for Volvo Penta 7.4L
• for Volvo Penta 8.2L
• for Volvo Penta GXi
• for Volvo Penta GI
• for Volvo Penta 385
• for Volvo Penta 415

On-The-Job Use

• Maintains belt tension in stern drive engines
• Used in saltwater and freshwater environments
• Ensures alternator and water pump operate efficiently
• Common replacement during routine engine maintenance

Specs At A Glance

Good To Know

Q: Will this tensioner fit my Volvo Penta engine? A: It is designed for the listed engine sizes and series; confirm your specific model and serial number before ordering.

Q: Is this an original Volvo Penta part? A: This is an aftermarket replacement for OEM part 3860079, not an original Volvo Penta product.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.