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Alfa Marine Spare Parts is an independent supplier and is not an authorized Komatsu dealer. Komatsu names and part numbers are used for identification purposes only.

Komatsu Marine Parts

IDLER GROUP D41P-6

Part Number: 124-30-00103
Brand: Komatsu
Availability: 2-7 days
Shipping: Worldwide
Price
On Request
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Quote reference: Part No. 124-30-00103

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IDLER GROUP D41P-6 #4

Product Details

Part Number
124-30-00103
Description
IDLER GROUP D41P-6 #4
Brand
Komatsu
Category
Others
Availability
2-7 days
Shipping
Worldwide
Price
On Request

Product Tags: IDLER GROUP 124-30-00103 Komatsu, 1243000103

Product Description

Komatsu Belt-drive component 124-30-00103

1. Product Overview

Komatsu Belt-drive component 124-30-00103 is listed under source title “IDLER GROUP D41P-6”. It is classified for Batch 3 as belt-drive component within the accessory drive system. The source record does not establish an exact engine model. Confirm the complete engine model, serial number, arrangement, and installed reference before ordering.

2. Function and Operating Principle

A belt-drive component transfers rotation from the engine to an accessory or guides and tensions the belt path. Belt profile, effective length, pulley diameter, groove form, alignment, and tensioning arrangement must match.

Friction between the belt and pulley transmits torque while idlers and tensioners control wrap, alignment, and tension. Wear, contamination, misalignment, or bearing condition can reduce drive reliability.

3. Application Status

Manufacturer / brandKomatsu
Part number124-30-00103
Component categoryBelt-drive component
SystemAccessory drive
Evidence levelC — Component identity only
Engine applicationNot established by the supplied record

4. Typical Signs That Inspection May Be Required

ObservationPossible significance
Squeal, chirp, or belt dustMay indicate slip, misalignment, contamination, wear, or incorrect tension.
Cracking, glazing, fraying, or missing ribsShows belt deterioration that requires service.
Pulley wobble or bearing noiseRequires inspection of the pulley, shaft, bearing, and mounting.
Repeated belt failureCan indicate alignment, accessory drag, wrong part selection, or tensioning problems.

These observations are inspection triggers rather than a confirmed diagnosis. Evaluate the complete engine system and follow the applicable manufacturer service information.

5. Inspection and Replacement Guidance

  • Inspect the complete belt path and all driven accessories.
  • Check pulley grooves, alignment, bearings, tensioner travel, and contamination.
  • Use the specified belt and tensioning procedure.
  • Confirm belt set quantity, profile, and arrangement.

6. Information Required Before Ordering

  • Complete engine or equipment model.
  • Engine serial number and arrangement or configuration number.
  • Installed part reference and clear photographs of the identification label.
  • Installation position and related assembly information.

Compatibility notice: Verify 124-30-00103 against serial-number-specific parts documentation before purchase or installation. Do not select the component by appearance or part-number similarity alone.