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Excavator Engine Parts

245-7339 Front Crankshaft Seal 117.6mm for Cat C7 C9 3116 3126

Name: 245-7339 Front Crankshaft Seal 117.6mm for Cat C7 C9 3116 3126
Brand: EexcavaStart
SKU: 245-7339

OEM / reference245-7339

SpecificationFront Crankshaft Oil Seal

Catalog ID78812918

Clockwise-rotation crankshaft oil seal identified by Cat part number 245-7339. The official record specifies a 3.62-inch shaft, 4.629-inch bore and 0.4-inch width and lists C7, C9, 3116 and 3126 engine families. Confirm seal location, shaft and housing dimensions before installation.

Fitment status: Verified · Checked 2026-07-28

Product Type: Front Crankshaft Oil Seal
Product Brand: EexcavaStart
Rotation: Clockwise
Outer Diameter: 117.6 mm (4.629 in bore)
Shaft Diameter: 3.62 in
Width: 0.4 in
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Cat crankshaft seal	245-7339
Formatted Alias	Same number without separator	2457339
Superseded Part Number	Older catalog reference	7C-4163
Superseded Part Number	Older catalog reference	119-2921

Evidence record

Source: Exact-reference evidence retained for internal audit
Evidence grade: manufacturer-supported
Checked: 2026-07-28

Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.

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

245-7339

Formatting alias

2457339

Other documented relationship

7C-4163
119-2921

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

Product summary

Front Crankshaft Oil Seal

Category: Excavator Engine Parts
Catalog ID: 78812918
Photo views: 3

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

4 model references

Engine family: Cat C7 / C9 / C-9
Engine family: Cat 3114 / 3116 / 3126 / 3126B / 3126E
Excavator: Cat 320B / 325C / 325D / 330C / 330D / 336D
Fitment limitation: Confirm front/rear position, rotation and dimensions

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 245-7339

Which machines use 245-7339?

Recorded compatible model references include Engine family: Cat C7 / C9 / C-9, Engine family: Cat 3114 / 3116 / 3126 / 3126B / 3126E, Excavator: Cat 320B / 325C / 325D / 330C / 330D / 336D, Fitment limitation: Confirm front/rear position, rotation and dimensions. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 245-7339?

Formatting aliases for the same number: 2457339.

How do I confirm 245-7339 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.

Continue comparing recovered references from the same system.

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