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BALDWIN · Transmission Oil Filter

BT23631

Transmission Filter

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

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THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Transmission Spin-on
Thread
M20 x 1.5
Outside diameter
2 25/32 in.
Outside diameter (mm)
70.6
Length
2 5/8 in.
Length (mm)
66.7
Contains
Anti-Drainback Valve;Wire Mesh By-Pass Screen
Gasket
[1] Included
Manufacturer part number
BT23631
GTIN
00791440111455

Baldwin replacement references: Subaru 38325-AA032, 38325-KA000

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 BT23631. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

14 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
AUTO TRANS. PARTS (ATP)B1981
BALDWIN FILTERSBT236311
CHAMPION LABORATORIEST7141
GRAINGER2XYH31
GRAINGER55ED441
HASTINGSTF1701
LUBER-FINERT7141
PARTS MASTER513651
PREMIUM GUARDPT12851
PUROLATORP12851
SERVICE CHAMP891891
SUBARU38325AA0301
SUBARU38325AA0321
SUBARU38325KA0001

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.

1999-on Subaru Forester, Impreza, Legacy, Outback, Outback Sport, 2006-07 B9 Tribeca with R4AX-EL (ECB) Transmission (4 Spd.)

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.

33 application ranges

YearsMake & modelEngineRequired notes & configuration
2006–2007Subaru B9 Tribeca3.0 H 6OE Number : 38325AA032
2004–2006Subaru Baja2.5 H 4Aspiration: Naturally Aspirated; OE Number : 38325AA032
2004–2006Subaru Baja2.5 H 4Aspiration: Turbocharged; OE Number : 38325AA032
2003Subaru Baja2.5 H 4OE Number : 38325AA032
2004Subaru Forester2.5 H 4Aspiration: Naturally Aspirated; OE Number : 38325AA032
2004, 2011–2012Subaru Forester2.5 H 4Aspiration: Turbocharged; OE Number : 38325AA032
1998, 2001–2003, 2005–2014Subaru Forester2.5 H 4OE Number : 38325AA032
1999–2000Subaru Forester2.5 H 4OE Number : 38325KA000
2002–2005Subaru Impreza2.0 H 4OE Number : 38325AA032
2000–2001Subaru Impreza2.2 H 4OE Number : 38325KA000
2002–2011, 2013–2014Subaru Impreza2.5 H 4OE Number : 38325AA032
2000–2001Subaru Impreza2.5 H 4OE Number : 38325KA000
2005–2006Subaru Legacy2.5 H 4Aspiration: Naturally Aspirated; OE Number : 38325AA032
2005–2006Subaru Legacy2.5 H 4Aspiration: Turbocharged; OE Number : 38325AA032
2010Subaru Legacy2.5 H 4Aspiration: Turbocharged; Spin-on; OE Number : 38325AA032
2000Subaru Legacy2.5 H 4Engine V I N: 6; OE Number : 38325KA000
2002–2004, 2007–2009Subaru Legacy2.5 H 4OE Number : 38325AA032
2001Subaru Legacy2.5 H 4OE Number : 38325KA000
2011–2012Subaru Legacy2.5 H 4Spin-on; OE Number : 38325AA032
2008–2009Subaru Legacy3.0 H 6OE Number : 38325AA032
2010–2014Subaru Legacy3.6 H 6OE Number : 38325AA032
2005–2006Subaru Outback2.5 H 4Aspiration: Naturally Aspirated; OE Number : 38325AA032
2005–2006Subaru Outback2.5 H 4Aspiration: Turbocharged; OE Number : 38325AA032
2000Subaru Outback2.5 H 4Engine V I N: 6; OE Number : 38325KA000
2002–2004, 2007–2009Subaru Outback2.5 H 4OE Number : 38325AA032
2001Subaru Outback2.5 H 4OE Number : 38325KA000
2011–2012Subaru Outback2.5 H 4Spin-on; OE Number : 38325AA032
2002–2007, 2009Subaru Outback3.0 H 6OE Number : 38325AA032
2008Subaru Outback3.0 H 6Spin-on; OE Number : 38325AA032
2011Subaru Outback3.6 H 6OE Number : 38325AA030
2010, 2012Subaru Outback3.6 H 6OE Number : 38325AA032
2008, 2011–2014Subaru Tribeca3.6 H 6OE Number : 38325AA032
2009–2010Subaru Tribeca3.6 H 6Transmission Num Speeds: 5; 5 Spd.; OE Number : 38325AA032

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

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