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Excavator Engine Parts

326-4634 Fuel Injection Pump Group for CAT 311D 312D 313D 315D 319D

Name: 326-4634 Fuel Injection Pump Group for CAT 311D 312D 313D 315D 319D
Brand: EexcavaStart
SKU: 326-4634

OEM / reference326-4634

SpecificationCommon-Rail Fuel Injection Pump Group

Catalog ID87507072

Common-rail fuel injection pump group identified by Caterpillar part number 326-4634. The official Cat record supports 311D LRR, 312D, 313D, 314D, 315D L, 318D L and 319D excavator families. Cat lists 10R-7661 as a separate remanufactured service option, not as an unrestricted direct interchange. Confirm the complete number, pump label, connector and fuel-port layout, engine arrangement and serial prefix.

Fitment status: Verified · Checked 2026-07-28

Product Type: Common-Rail Fuel Injection Pump Group
Product Brand: EexcavaStart
Fuel System: Common rail
Overall Length: 15.7 in (398.8 mm approx.)
Overall Height: 6.2 in (157.5 mm approx.)
Installation Area: Engine high-pressure fuel system

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Caterpillar new fuel injection pump group	326-4634
Normalized Search Alias	Formatting-only alias; not a separate interchange	3264634
Remanufactured Service Option	Cat CR200 reman pump; confirm dealer and serial arrangement before substitution	10R-7661

Evidence record

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

326-4634

Formatting alias

3264634

Remanufactured number

10R-7661

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

Product summary

Common-Rail Fuel Injection Pump Group

Category: Excavator Engine Parts
Catalog ID: 87507072
Photo views: 7

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

8 model references

Excavator: CAT 311D LRR
Excavator: CAT 312D / 312D L
Excavator: CAT 313D
Excavator: CAT 314D CR / 314D LCR
Excavator: CAT 315D L
Excavator: CAT 318D L
Excavator: CAT 319D / 319D L / 319D LN
Fitment limitation: Confirm 326-4634 on the pump label, connector and fuel-port layout, engine arrangement and serial prefix

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 326-4634

Which machines use 326-4634?

Recorded compatible model references include Excavator: CAT 311D LRR, Excavator: CAT 312D / 312D L, Excavator: CAT 313D, Excavator: CAT 314D CR / 314D LCR, Excavator: CAT 315D L, Excavator: CAT 318D L, Excavator: CAT 319D / 319D L / 319D LN, Fitment limitation: Confirm 326-4634 on the pump label, connector and fuel-port layout, engine arrangement and serial prefix. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 326-4634?

Formatting aliases for the same number: 3264634. Remanufactured references: 10R-7661.

How do I confirm 326-4634 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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