Excavator Filters

1R-0749 Ultra-High Efficiency Fuel Filter for Cat C11 C13 C15 C18 336 349

Q: What numbers are documented for 1R-0749?

Primary Equipment Manufacturer Part Number: 1R-0749. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 1R-0749 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.

1R-0749 Ultra-High Efficiency Fuel Filter for Cat C11 C13 C15 C18 336 349, OEM/reference 1R-0749, Ultra-High Efficiency Secondary Fuel Filter, product view 1

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4 product photos · Swipe on mobile, or hover and select a thumbnail.

OEM / reference1R-0749

SpecificationUltra-High Efficiency Secondary Fuel Filter

Catalog ID70282439

Secondary fuel filter identified by part number 1R-0749. Caterpillar's official parts record classifies it as an ultra-high-efficiency fuel filter and lists C11, C13, C15, C18 and related engine families with representative 336, 349, 352, 374 and 390 excavator families. Four reviewed owned 1000 x 1000 product views are retained. Confirm the engine arrangement, filter position and machine serial before ordering.

Product Type: Secondary fuel filter
Efficiency Category: Ultra high efficiency
Physical Interface: Confirm dimensions, thread and gasket against the original filter

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

Relationship	Reference family	Number
Primary Equipment Manufacturer Part Number	Secondary fuel filter	1R-0749

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

1R-0749

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

Product summary

Ultra-High Efficiency Secondary Fuel Filter

Category: Excavator Filters
Catalog ID: 70282439
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

3 model references

Published engine families: C11 / C13 / C15 / C18 and related 3406 / 3412 families
Representative excavator families: 336 / 349 / 352 / 374 / 390
Fitment limitation: Confirm the engine arrangement, filter position, model and serial

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 1R-0749

Which machines use 1R-0749?

Recorded compatible model references include Published engine families: C11 / C13 / C15 / C18 and related 3406 / 3412 families, Representative excavator families: 336 / 349 / 352 / 374 / 390, Fitment limitation: Confirm the engine arrangement, filter position, model and serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 1R-0749?

No alternate number is listed for 1R-0749. Send the original nameplate for an alternate-number check.

How do I confirm 1R-0749 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.

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