4 product photos · Select a thumbnail to change the main view.
Excavator Engine Parts
Basic engine cylinder-head assembly identified by Cat number 344-2149 for the C9 engine. The official parts record lists Cat Reman alternatives 10R-7279 and 10R-8636 and applications including 330D/336D excavators, D6T/D7R tractors, 973C/973D track loaders, motor graders, generator sets and industrial C9 engines. Confirm the engine serial prefix, head casting, valve configuration and included components before ordering.
Fitment status: Verified · Checked 2026-07-29Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| 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 |
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
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
5 model references
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
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, Fitment limitation: Confirm engine serial prefix, casting and valve configuration. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 10R-7279, 10R-8636. Formatting aliases for the same number: 3442149.
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.
Excavator Engine Parts8-98063668-1 Water Connector for Isuzu 4LE28-98063668-1
Excavator Engine Parts8-97238994-1 Engine Replacement Part for Excavator and Diesel Equipment8-97238994-1
Excavator Engine Parts8-97300787-3 Engine Replacement Part for Excavator and Diesel Equipment8-97300787-3
Excavator Engine Parts095000-6290 Engine Replacement Part for Excavator and Diesel Equipment095000-6290
