Mack Belt Tensioner

OE 110-5126 / 9Y4650 / 133-3544 / 1352142 / 1340642

Aftermarket replacement for B2B importers, distributors, wholesalers and private-label programs.

Product category: Belt Tensioners
Brand application: Mack
OE references: 110-5126 / 9Y4650 / 133-3544 / 1352142 / 1340642
Application: Mack
Cross reference: DAYCO 89402 / GATES 38514 / SKF VKM910018

Confirm final specification and application before ordering.

PRODUCT OVERVIEW

ABOUT THIS BELT TENSIONER.

The TRUPA Mack Belt Tensioner is an aftermarket replacement belt tensioner referenced to OE numbers 110-5126, 9Y4650, 133-3544, 1352142, 1340642, with cross references DAYCO 89402, GATES 38514, SKF VKM910018. It is listed for Mack. TRUPA supplies it to importers, distributors, wholesalers and private-label programs, with China export supply and partner-warehouse support in the USA and Brazil for eligible orders.

WHAT IT DOES

A belt tensioner keeps the correct tension on the accessory (serpentine) belt that drives the alternator, water pump, fan and air-conditioning compressor. It uses a spring-loaded arm and an idler pulley to absorb belt stretch and vibration.

APPLICATION & FITMENT

Listed for Mack. More parts for Mack.

OE & INTERCHANGE NUMBERS

110-5126
9Y4650
133-3544
1352142
1340642
DAYCO 89402
GATES 38514
SKF VKM910018

BEFORE YOU ORDER

OE and cross-reference numbers (for example Gates, Dayco or Continental)
Engine and truck model, as some tensioners are shared across brands
Pulley type (grooved or flat), diameter and arm direction

COMMON REPLACEMENT SIGNS

Belt squeal, slipping or chirping
Tensioner arm vibrating or bouncing at idle
Noisy or rough idler pulley bearing
Premature belt wear or the belt jumping off the pulleys

Read the troubleshooting guide →

QUALITY CHECKS

Spring torque, pulley bearing quality and arm pivot wear decide service life, so these are checked against the original part. How TRUPA approaches quality control.

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