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Excavator Engine Parts

233-5221 Engine Oil Pump for Cat C11 C13 Engines

Name: 233-5221 Engine Oil Pump for Cat C11 C13 Engines
Brand: EexcavaStart
SKU: 233-5221

OEM / reference233-5221

SpecificationEngine Oil Pump

Catalog ID64371530

Engine oil-pump group identified by reference 233-5221 for Cat C11 and C13 engine applications. Exact-number parts records also place the pump in 966G II and 980K wheel loaders and related powertrain packages. Confirm the engine arrangement, pump housing, gear and mounting pattern.

Fitment status: Verified · Checked 2026-07-28

Product Type: Engine Oil Pump
Product Brand: EexcavaStart
Engine Family: Cat C11 / C13
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Part Number	Engine oil-pump group	233-5221
Formatted Alias	Same number without separator	2335221
Related Assembly Number	Related oil-pump assembly/group	233-5220
Source-Catalog Cross-Reference	Catalog-listed oil-pump reference	223-1612

Evidence record

Source: Exact-reference evidence retained for internal audit
Evidence grade: multi-source-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

233-5221

Formatting alias

2335221

Related assembly

233-5220

Other documented relationship

223-1612

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

Product summary

Engine Oil Pump

Category: Excavator Engine Parts
Catalog ID: 64371530
Photo views: 6

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 C11 / C13
Wheel loader: Cat 966G II / 980K / 980K HLG
Generator set: Cat XQ350 / XQ425
Fitment limitation: Confirm arrangement, housing, drive gear and mount

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 233-5221

Which machines use 233-5221?

Recorded compatible model references include Engine family: Cat C11 / C13, Wheel loader: Cat 966G II / 980K / 980K HLG, Generator set: Cat XQ350 / XQ425, Fitment limitation: Confirm arrangement, housing, drive gear and mount. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 233-5221?

Formatting aliases for the same number: 2335221. Related assembly numbers (not direct interchanges): 233-5220.

How do I confirm 233-5221 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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