55719 Automatic Drive Belt Tensioner

Name: 55719 Automatic Drive Belt Tensioner
Brand: GOODYEAR BELTS
SKU: 498-55719
Price: 143.33 USD
Availability: InStock

^$143³³

Ships on Sep 03, 2026

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Automatic Drive Belt Tensioner

Goodyear Belts 55719 Features:

Goodyear's automatic tensioners and pulleys are meticulously designed to offer complete support to an engine's belt drive system. In today's modern engines, the belt drive system plays a critical role in transferring power from the engine's crankshaft to essential accessories, ensuring smooth and comfortable vehicle operation on the road. Over time and with high mileage, engines can experience decreased efficiency due to factors like worn ball bearings, improper tension, and misalignment in the belt drive system. To maintain optimal performance and prevent potential issues, it's essential to install Goodyear automatic belt tensioners and pulleys.

Goodyear belt tensioners and pulleys are precision-engineered to match the specifications and requirements of the vehicle's belt drive system. This ensures a perfect fit and optimal performance.
Feature automatic tensioning mechanisms that continuously adjust the belt tension as needed, maintaining optimal tension levels under varying operating conditions.
Goodyear belt tensioners and pulleys are constructed using durable materials such as steel, aluminum, high-strength polymers, and advanced coatings to withstand the rigors of daily driving.
Goodyear belt tensioners and pulleys utilize advanced bearing technology, such as sealed bearings and low-friction designs, to reduce wear, noise, and vibration.
Maintaining proper belt tension and alignment, tensioners and pulleys optimize the performance of the entire belt drive system, including accessories like alternators, power steering pumps, and air conditioning compressors.
Bearing Bore Inside Diameter: 0.67 in.
Width: 1.26 in.
Outside Diameter: 3.34 in.
Grade Type: OE Performance
Belt Type: Serpentine
Contact Surface: Smooth/Backside
Material: Steel
Housing Material: Steel/Aluminum

Part Interchange Numbers:

OEM Part Number: 1399691
OEM Part Number: 1406486
OEM Part Number: 1702525
Gates: 38584
OEM Part Number: 4891116
OEM Part Number: 4898548
Continental: 49578
OEM Part Number: 504065874
Dayco: 89939

Dependable Engine Drive Support With Goodyear Automatic Belt Tensioners

Goodyear’s Automatic Drive Belt Tensioners are engineered to deliver precision tension control and extended durability for modern engine belt systems. These tensioners self-adjust to maintain optimal belt tightness across operating conditions, helping prevent slippage, reduce noise, and maximize accessory drive efficiency. Torsion-spring technology and a patented frictional damping “noose ring” system absorb crankshaft pulsing, protect belt life, and meet or exceed OE standards.

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Part TypeBelt Tensioner

Product LineGoodyear Belts Automatic Drive Belt Tensioners

BrandGOODYEAR BELTS

Package Height1.17

Package Width1.26 in.

Package Length7.67

Weight1.5 PG

Part CategoryReplacement Parts

Bearing Bore Inside Diameter0.67 in.

Housing MaterialSteel/Aluminum

Contact SurfaceSmooth/Backside