Mercedes-Benz ATEGO / AXOR Belt Tensioner

OE A4572004370 / A4572003170 / 4572002970 / 4572004370 / 4572003170

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

Product category: Belt Tensioners
Brand application: Mercedes-Benz Truck
OE references: A4572004370 / A4572003170 / 4572002970 / 4572004370 / 4572003170
Application: Mercedes-Benz ATEGO / AXOR / CITARO / CONECTO
Cross reference: DAYCO APV2446 / GATES T38662

Confirm final specification and application before ordering.

PRODUCT OVERVIEW

ABOUT THIS BELT TENSIONER.

The TRUPA Mercedes-Benz ATEGO / AXOR Belt Tensioner is an aftermarket replacement belt tensioner referenced to OE numbers A4572004370, A4572003170, 4572002970, 4572004370, 4572003170, with cross references DAYCO APV2446, GATES T38662. It is listed for Mercedes-Benz ATEGO / AXOR / CITARO / CONECTO. 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 Mercedes-Benz ATEGO / AXOR / CITARO / CONECTO. More parts for Mercedes-Benz Truck.

OE & INTERCHANGE NUMBERS

A4572004370
A4572003170
4572002970
4572004370
4572003170
DAYCO APV2446
GATES T38662

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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