Excavator Engine Parts

3925177 Intake Valve Seat Insert for Cummins B3.9 and B-Series Engines

Q: What numbers are documented for 3925177?

Primary Part Number: 3925177. Published Cross-Reference: 3906854. Published Cross-Reference: J906854. Published Cross-Reference: J925177. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 3925177 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.

3925177 Intake Valve Seat Insert for Cummins B3.9 and B-Series Engines, OEM/reference 3925177, Intake Valve Seat Insert, product view 1

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OEM / reference3925177

SpecificationIntake Valve Seat Insert

Catalog ID53745069

Product Type: Intake valve seat insert
Valve Position: Intake
Sold As: Individual insert; confirm quantity required

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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 intake-valve-seat-insert identity	3925177
Cross-reference (fitment check required)	Cataloged intake-seat reference; confirm cylinder-head application	3906854
Cross-reference (fitment check required)	Cataloged intake-seat reference; confirm cylinder-head application	J906854
Cross-reference (fitment check required)	Cataloged intake-seat reference; confirm cylinder-head application	J925177

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

3925177

Cross-reference (fitment check required)

3906854
J906854
J925177

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

Intake Valve Seat Insert

Category: Excavator Engine Parts
Catalog ID: 53745069
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

2 model references

Manufacturer manual application: Cummins B3.9-C
Published engine family: Cummins 4B / 4BT / 6B / 6BT B-series; confirm cylinder-head casting and CPL

Fitment / evidence notes

Fitment limitation: Confirm cylinder-head casting, outside diameter, seat angle and engine CPL

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 3925177

Which machines use 3925177?

Recorded compatible model references include Manufacturer manual application: Cummins B3.9-C, Published engine family: Cummins 4B / 4BT / 6B / 6BT B-series; confirm cylinder-head casting and CPL. Recorded fitment/evidence notes: Fitment limitation: Confirm cylinder-head casting, outside diameter, seat angle and engine CPL. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3925177?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm 3925177 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 verified references from the same system.

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