Excavator Engine Parts

344-2149 C9 Cylinder Head Assembly for Cat 330D 336D D6T D7R

Q: What numbers are documented for 344-2149?

Primary Equipment Part Number: 344-2149. Same-number Formatting Variant: 3442149. Manufacturer Reman Number: 10R-7279. Manufacturer Reman Number: 10R-8636. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 344-2149 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.

344-2149 C9 Cylinder Head Assembly for Cat 330D 336D D6T D7R, OEM/reference 344-2149, C9 Basic Engine Cylinder Head Assembly, product view 1

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OEM / reference344-2149

SpecificationC9 Basic Engine Cylinder Head Assembly

Catalog ID76470478

Product Type: Basic Engine Cylinder Head Assembly
Product Brand: EexcavaStart
Engine Family: Cat C9 / C-9
Condition: New replacement assembly
Required Comparison: Engine serial prefix, casting and included valve components

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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 Equipment Part Number	Cat basic cylinder-head number	344-2149
Same-number Formatting Variant	Compact Cat formatting	3442149
Manufacturer Reman Number	Official Cat Reman alternative	10R-7279
Manufacturer Reman Number	Official Cat C9 upgrade-to-new alternative	10R-8636

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

344-2149

Formatting alias

3442149

Remanufactured number

10R-7279
10R-8636

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

C9 Basic Engine Cylinder Head Assembly

Category: Excavator Engine Parts
Catalog ID: 76470478
Photo views: 4

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 C9 / C-9
Excavator examples: Cat 330D / 330D L / 336D / 336D2 / 340D2 L / M330D
Tractor and loader examples: Cat D6T / D7R / 973C / 973D
Additional cataloged use: C9 industrial engines, generator sets, graders and compactors

Fitment / evidence notes

Fitment limitation: Confirm engine serial prefix, casting and valve configuration

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 344-2149

Which machines use 344-2149?

Recorded compatible model references include Engine family: Cat C9 / C-9, Excavator examples: Cat 330D / 330D L / 336D / 336D2 / 340D2 L / M330D, Tractor and loader examples: Cat D6T / D7R / 973C / 973D, Additional cataloged use: C9 industrial engines, generator sets, graders and compactors. Recorded fitment/evidence notes: Fitment limitation: Confirm engine serial prefix, casting and valve configuration. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 344-2149?

Formatting aliases for the same number: 3442149. Remanufactured references: 10R-7279, 10R-8636.

How do I confirm 344-2149 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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