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BALDWIN · Engine Oil Filter

B40121

Full-Flow Lube Spin-on

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

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Full-Flow Lube Spin-on
Thread
M20 x 1.5
Outside diameter
3 11/16 in.
Outside diameter (mm)
93.7
Length
3 1/4 in.
Length (mm)
82.6
Contains
Anti-Drainback Valve;19 PSID By-Pass Valve
Gasket
[1] Included
Manufacturer part number
B40121
GTIN
00791440115354

PENDING OBSOLETE.

Baldwin replacement references: Chrysler 4494477; Mazda AM15-14-302

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 B40121. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

8 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSB401211
CHRYSLER44944771
GRAINGER2XWG11
GRAINGER4ENU21
GRAINGER61KF381
HASTINGSLF5431
MAIN FILTERMF02441521
MIGHTY AUTO PARTSPH28569A0

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.

1992-93 Dodge Ram 50, Plymouth Laser; 1992-94 Eagle Summit, Talon; 1987-89 Mazda B2600 Light-Duty Trucks

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

Match the year, model, engine and every note. Bring the engine or serial number when a configuration is unclear.

11 application ranges

YearsMake & modelEngineRequired notes & configuration
1994Eagle Summit2.4 L 43 11/16 Inch Outside Diameter; OE Number : 4494477
1994Eagle Talon1.8 L 43 11/16 Inch Outside Diameter; OE Number : 4494477
1994Eagle Talon2.0 L 4Aspiration: Naturally Aspirated; Engine V I N: E; 3 11/16 Inch Outside Diameter; OE Number : 4494477
1994Eagle Talon2.0 L 4Aspiration: Turbocharged; Engine V I N: F; 3 11/16 Inch Outside Diameter; OE Number : 4494477
1993Eagle Talon2.0 L 4Aspiration: Turbocharged; Engine V I N: F; OE Number : 4494477
1989Mazda B26002.6 L 4
1992–1993Plymouth Laser1.8 L 4OE Number : 4494477
1993Plymouth Laser2.0 L 4Aspiration: Turbocharged; Engine V I N: F; OE Number : 4494477
1992Plymouth Laser2.0 L 4Aspiration: Turbocharged; Engine V I N: U; OE Number : 4494477
1993Plymouth Laser2.0 L 4Engine V I N: E; OE Number : 4494477
1992Plymouth Laser2.0 L 4Engine V I N: R; OE Number : 4494477

Baldwin ACES · July 27, 2026 · Auto Care vehicle definitions. This searchable list may not cover every application. Our counter can check configurations not shown.

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.