Mopar Performance 04627742AB Belt Tensioner for 2.4L I4 MultiAir Engine

The Mopar Performance 04627742AB is a genuine OEM belt tensioner designed specifically for 2.4L I4 MultiAir engines. This critical engine component maintains proper tension on the serpentine belt, ensuring reliable operation of essential accessories including the alternator, power steering pump, air conditioning compressor, and water pump.

Key Features:

• Genuine Mopar OEM quality with factory-authorized specifications
• Spring-loaded automatic tensioner maintains optimal belt tension
• Compensates for belt wear and stretch over time
• Prevents belt slippage, squealing, and premature wear
• Designed for 2.4L I4 MultiAir engines with and without ESS (Engine Stop-Start)
• Compatible with 2.4L I4 Zero Evap M-Air engine variants
• Works with 9-speed 948TE automatic transmissions

This belt tensioner replaces Mopar part number 4627742AA and is engineered to meet the demanding requirements of modern Chrysler, Dodge, Jeep, and Ram vehicles. The automatic tensioner applies precise pressure to keep the serpentine belt properly seated on all pulleys, preventing accessory failure and maintaining optimal engine performance. Regular replacement of the belt tensioner when installing a new serpentine belt is recommended to ensure long-lasting, trouble-free operation.