P171821 vs SFTXW2-18-25UM
Source: sfi_cross_reference_2025 cross-referenceSourced
Manufacturer
Donaldson
Swift Filters
Outer Diameter (in)
4.18
4.18
Inner Diameter (in)
0.4
0.4
Length (in)
18.31
18.31
Micron Rating
20
20
Media Type
MICROGLASS
MICROGLASS
Seal Material
BUNA
BUNA
Collapse (PSID)
145
—
Beta Ratio
—
1000
Beta Value
20
—
Flow Direction
INSIDE-OUT
—
Min Temp (°F)
-13
—
Max Temp (°F)
250
—
Values matchValues differ—Data not available
About This Comparison
This page compares Donaldson P171821 and Swift Filters SFTXW2-18-25UM using verified manufacturer specifications from the VerifiedFilters database. A cross-reference record exists between these parts, sourced from sfi_cross_reference_2025. Specifications shown are traced to manufacturer documentation. Always verify dimensional and performance compatibility before substituting filters in critical applications.