MT40049450
New Holland Engine Air Filter
Current replacement chain ends at: 48145946
Fitment and replacement relationships are shown only where a source record is attached. Confidence labels distinguish direct model fitment from broader engine- or family-level references. Always confirm serial number, machine generation and configuration before ordering.
Check this part by serial number →Part details
Part numberMT40049450
ManufacturerNew Holland
DescriptionEngine Air Filter
CategoryAir Filters
Source-backed fitments1
Replacements & cross references
Direction matters: “Replaced by” points from a legacy number to the current substitute; “Replaces” identifies older numbers superseded by this part.
Verified replacement chain
Replaced by48145946 · Primary Engine Air Filter
Compatible equipment
New Holland WORKMASTER 25S
Fitment confidence: High-confidence reference
Version: United States · WORKMASTER 25S sub-compact · current version
Configuration: Current US WORKMASTER 25S sub-compact; catalog family from 12/17 onward
Engine air filter listed by New Holland Rochester for WORKMASTER 25S compact tractors from 12/17 onward. Verify serial/build date and air-cleaner configuration before ordering.
Sources
New Holland Rochester · supplier referenceNew Holland Rochester MT40049450 WORKMASTER 25S fitment
Messick's · supplier referenceMessick’s New Holland 48145946 air-filter replacement listing