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BALDWIN · Hydraulic Filter

BT9377

Hydraulic Spin-on

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

Stock checked September 11, 2:46 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
Hydraulic Spin-on
Thread
M48 x 2.0
Outside diameter
5 9/32 in.
Outside diameter (mm)
134.1
Length
11 15/32 in.
Length (mm)
291.3
Contains
Metal Retainer Ring
Manufacturer part number
BT9377
GTIN
00791440078956

Baldwin replacement references: Komatsu 21N-60-12210

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 BT9377. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

11 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSBT93771
CARQUEST941371
DONALDSONP5506151
FLEETGUARDHF288941
GRAINGER4ZVJ71
HENGSTHY815W1
KOMATSU21N60122101
NAPA GOLD4010921
NAPA X4010921
SAKURAHC56031
YAMASHINCSP10L101

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.

Komatsu Dozers, Excavators

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.