Excavator Engine Parts

456-3493 20R-5036 Common Rail Fuel Injector for CAT 336E D6T D7E

Q: What numbers are documented for 456-3493?

Primary Part Number: 456-3493. Same-number Formatting Variant: 4563493. Remanufactured Alternative: 20R-5036. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 456-3493 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 / reference456-3493

SpecificationFuel Injector

Catalog ID53318675

Product Type: Common Rail Fuel Injector
Product Brand: EexcavaStart
Model Number: 456-3493
Condition: New replacement part

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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 Part Number	Cat official reference	456-3493
Same-number Formatting Variant	Punctuation-normalized alias	4563493
Remanufactured Alternative	Cat official alternate part	20R-5036

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

456-3493

Formatting alias

4563493

Remanufactured number

20R-5036

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

Fuel Injector

Category: Excavator Engine Parts
Catalog ID: 53318675
Photo views: 8

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

Excavator models: CAT 336E, 336E L, 336E LN and 336E LH
Track-type tractor models: CAT D6T XL, D6T XW, D6T LGP and D7E
Motor grader models: CAT 12M 2, 140M 2 and 160M 2
Wheel loader models: CAT 966K, 966K XE and 972K

Fitment / evidence notes

Fitment limitation: Confirm engine arrangement and machine serial range

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 456-3493

Which machines use 456-3493?

Recorded compatible model references include Excavator models: CAT 336E, 336E L, 336E LN and 336E LH, Track-type tractor models: CAT D6T XL, D6T XW, D6T LGP and D7E, Motor grader models: CAT 12M 2, 140M 2 and 160M 2, Wheel loader models: CAT 966K, 966K XE and 972K. Recorded fitment/evidence notes: Fitment limitation: Confirm engine arrangement and machine serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 456-3493?

Formatting aliases for the same number: 4563493. Remanufactured references: 20R-5036.

How do I confirm 456-3493 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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