Excavator Engine Parts

3691282 Belt Tensioner for Cummins ISX QSX15 and X15 Engines

Q: What numbers are documented for 3691282?

Primary Part Number: 3691282. Published Replacement Reference: 4299091. Published Aftermarket Reference: 89440. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 3691282 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

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OEM / reference3691282

SpecificationBelt Tensioner

Catalog ID54095943

Product Type: Belt Tensioner
Condition: New replacement assembly

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Exact retained source reference	3691282
Published Replacement Reference	Published tensioner assembly reference	4299091
Published Aftermarket Reference	Dayco tensioner reference	89440

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number

3691282

Other documented relationship

4299091
89440

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

Belt Tensioner

Category: Excavator Engine Parts
Catalog ID: 54095943
Photo views: 7

Before ordering

Confirm these details

Match the complete part number on the original component.
Compare connectors, mounting points and visible dimensions with the product photos.
Confirm the exact machine or engine model and serial range before ordering.

Machine fitment

Compatible model references

1 model reference

Supported engine families: Cummins ISX / ISX15 / QSX15 / X15

Fitment / evidence notes

Fitment limitation: Confirm belt layout, pulley dimensions and engine serial

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 3691282

Which machines use 3691282?

Recorded compatible model references include Supported engine families: Cummins ISX / ISX15 / QSX15 / X15. Recorded fitment/evidence notes: Fitment limitation: Confirm belt layout, pulley dimensions and engine serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3691282?

No alternate number is listed for 3691282. Send the original nameplate for an alternate-number check.

How do I confirm 3691282 before ordering?

Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.

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