HD Automatic Belt Tensioner | Dayco | 78mm Diameter | 28.7mm Width | Clock Wise

SKU 89438

Dayco heavy duty automatic serpentine belt tensioner 89438 boasts a high-strength cast aluminum body designed to keep contamination out and resist cracking, fatigue, and deformation. Each tensioner Includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. 78mm pully diameter, 28.7mm pully width. Clock wise direction, 6 grooves. For Freightliner, Mack and Sterling truck applications.

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$90.10

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Product Specifications

Type:Automatic
Direction:Clock Wise
Belt Type:Serpentine
Number of Pulleys:1

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Product Specs for Dayco 89438

Type:Automatic
Direction:Clock Wise
Belt Type:Serpentine
Number of Pulleys:1
Pulley Material:Polymer
Pulley Diameter (mm):78
Pulley Width (mm):28.7
Flat:No
Grooves:6
Continental Number:49552
UPC: 036687375896
MPN: 89438

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Dayco 89438 Details

Dayco heavy duty automatic serpentine belt tensioners boasts a high-strength cast aluminum body designed to keep contamination out and resist cracking, fatigue, and deformation. The advanced material used reduces weight when compared to regular belt tensioners, while also providing added strength and durability. Each tensioner feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Features

For heavy duty diesel engine accessory drive applications.
Designed to prevent fluctuations to the tensioner body for longer service life.
Reduces the risk of noise and helps avoid housing separation.
Includes pulleys with lubricated bearings for longer lasting performance.
Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability.
Patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn't change when it's under tension.
Includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service.

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