Belt Tensioner 190-0642 138-2514 for Caterpillar Cat 3406E C7 C12 C13 C15 C18

Belt Tensioner for Caterpillar

This belt tensioner, referencing OEM numbers 190-0642 and 138-2514, is designed for Caterpillar 3406E, C7, C12, C13, C15, and C18 engines, maintaining proper belt tension for accessory drive systems.

Overview

The belt tensioner provides consistent tension to the serpentine belt system, preventing slippage and premature wear on Caterpillar diesel engines. Designed to match OEM specifications for engines like the 3406E and C-series, this belt tensioner ensures reliable alternator, fan, and water pump operation. Replacing a worn tensioner with this belt tensioner restores optimal belt performance.

Built For Performance

• Heavy-duty sealed bearing for long service life
• Precision-machined pulley for true belt tracking
• Robust spring mechanism maintains constant tension
• Direct fit for Caterpillar 3406E, C7, C12, C13, C15, C18 engines
• Corrosion-resistant finish for harsh environments

Fits These Machines

• for Caterpillar 3406E
• for Caterpillar C7
• for Caterpillar C12
• for Caterpillar C13
• for Caterpillar C15
• for Caterpillar C18

On-The-Job Use

• Servicing heavy equipment and trucks
• Maintaining generator sets and industrial engines
• Replacing worn tensioners in on-highway and off-highway applications
• Ensuring accessory drive reliability during long operating hours

Specs At A Glance

Good To Know

Q: Can this tensioner be used on non-Caterpillar engines? A: This tensioner is specifically designed for listed Caterpillar engines; using it on other engines may require verification of belt length and pulley alignment.

Q: What is the typical lifespan of this belt tensioner? A: With proper belt alignment and tension, it can last 100,000 to 150,000 miles or equivalent hours, depending on operating conditions.

Slight variation in finish or dimensions may occur between production runs, and confirm compatibility before ordering.