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BALDWIN · Engine Coolant Filter

B5091

Coolant Spin-on without Chemicals

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Call either store for your current price.
Belleville APCCall for availability
Kingston APCCall for availability

Stock checked September 11, 12:46 PM Eastern. Call before travelling so we can confirm what is still available.

Call Belleville ↗Call Kingston ↗Text your part number ↗

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Coolant Spin-on without Chemicals
Thread
M16 x 1.5
Outside diameter
3 11/16 in.
Outside diameter (mm)
93.7
Length
5 13/32 in.
Length (mm)
137.3
Manufacturer part number
B5091
GTIN
00791440082830

Baldwin replacement references: Mack 20575545

Baldwin PIES August 20, 2026 · Baldwin Product Guide July 24, 2026.

START WITH THE NUMBER YOU HAVE

CROSS-REFERENCE NUMBERS.

Baldwin’s reference lists the numbers below for B5091. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

16 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
AUTOMANN840CF6250911
BALDWIN FILTERSB50911
CARQUEST895451
FLEETGUARDWF21671
FRAM FiltersPR9661Mack1
GRAINGER4ZLU71
HASTINGSWC241
HENGSTH44WF1
LUBER-FINERLFW5141XLMack1
MACK205755451
MACK219372981
MACK3076PR96611
NAPA GOLD45451
NAPA X45451
WIX245451
WIX5245451

Source: Baldwin Specs & Interchange · July 27, 2026. Reference quantity is part of the manufacturer’s cross-reference, not store stock.

CHECK THE EQUIPMENT. CHECK THE ENGINE.

APPLICATIONS & EQUIPMENT.

Mack Trucks

Baldwin Product Guide summary. This description does not establish fit for every model from each manufacturer.

Call with your equipment model, engine and the number on the existing filter. Our counter will help verify the application.

A REAL COUNTER. CLOSE TO HOME.

YOUR LOCAL FILTER PEOPLE.

Bring the number off your old filter, or your equipment and engine details. We’ll help check the match.