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BALDWIN · Hydraulic Filter

BT8304

Hydraulic Spin-on

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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
Hydraulic Spin-on
Thread
M38 x 2.0
Outside diameter
3 11/16 in.
Outside diameter (mm)
93.7
Length
5 9/16 in.
Length (mm)
141.3
Gasket
[1] Included
Manufacturer part number
BT8304
GTIN
00791440029095

Baldwin replacement references: Joy 1228337-20

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 BT8304. 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 FILTERSBT8303Superceded By0
BALDWIN FILTERSBT83040
CARQUEST942791
GRAINGER4ZNL31
JOY122833700201
JOY122833700211
JOY1228337201
JOY1228337211

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.

Joy Compressors

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.