Excavator Engine Parts

7W-7037 Fuel Valve Nozzle for Cat 3406B 3406C 3412 3412C Engines

Q: What numbers are documented for 7W-7037?

Primary Manufacturer Part Number: 7W-7037. Related Reman Reference - Verify Arrangement: 0R-3425. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 7W-7037 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 / reference7W-7037

SpecificationMechanical Fuel Valve Nozzle

Catalog ID74939396

7W-7037 is documented by Cat as a fuel valve nozzle for mechanical diesel fuel-injection systems. The official product record lists 3406B, 3406C, 3412 and 3412C engine families. Related reman number 0R-3425 is shown as a 3406 reman fuel-injector nozzle and must be checked by arrangement rather than assumed universal. Confirm the stamped number, nozzle code, calibration, engine arrangement and serial before ordering.

Product Type: Mechanical Fuel Valve Nozzle
Fuel System: Mechanical diesel injection
Calibration and Nozzle Code: Required

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Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	Official Cat fuel-valve-nozzle reference	7W-7037
Related Reman Reference - Verify Arrangement	Not asserted as universal direct interchange	0R-3425

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

7W-7037

Remanufactured number

0R-3425

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

Product summary

Mechanical Fuel Valve Nozzle

Category: Excavator Engine Parts
Catalog ID: 74939396
Photo views: 1

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

Engine families: Cat 3406B / 3406C / 3412 / 3412C
Fitment limitation: Confirm number, nozzle code, calibration, arrangement and 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 7W-7037

Which machines use 7W-7037?

Recorded compatible model references include Engine families: Cat 3406B / 3406C / 3412 / 3412C, Fitment limitation: Confirm number, nozzle code, calibration, arrangement and serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 7W-7037?

Remanufactured references: 0R-3425.

How do I confirm 7W-7037 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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