Excavator Engine Parts

377-9087 8-Rib A/C Belt Tensioner for Cat C6.6, 313D2 and 316 GC

Name: 377-9087 8-Rib A/C Belt Tensioner for Cat C6.6, 313D2 and 316 GC
Brand: EexcavaStart
SKU: 377-9087

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OEM / reference377-9087

Specification8-Rib Automatic A/C Belt Tensioner

Catalog ID84451671

377-9087 is an automatic 8-rib belt tensioner for the air-conditioning drive. The official parts record lists Cat C6.6 engines and 313D2, 313D2 GC and 316 GC excavators among the compatible applications. Compare the complete number, pulley rib count, mounting points and machine serial range before ordering.

Product Type: Automatic air-conditioning belt tensioner
Pulley: 8-rib
Material: Alloy aluminum with corrosion-preventive treatment
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Official tensioner reference	377-9087

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

377-9087

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

8-Rib Automatic A/C Belt Tensioner

Category: Excavator Engine Parts
Catalog ID: 84451671
Photo views: 5

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

3 model references

Engine: Cat C6.6
Excavator: Cat 313D2 / 313D2 GC / 316 GC
Fitment Limitation: Confirm 377-9087, pulley ribs, mounting points and machine serial range

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 377-9087

Which machines use 377-9087?

Recorded compatible model references include Engine: Cat C6.6, Excavator: Cat 313D2 / 313D2 GC / 316 GC, Fitment Limitation: Confirm 377-9087, pulley ribs, mounting points and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 377-9087?

No alternate number is listed for 377-9087. Send the original nameplate for an alternate-number check.

How do I confirm 377-9087 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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