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BALDWIN · Engine Oil Filter Housing Mount

OB1320

Hydraulic Filter Base

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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 Filter Base
Outside diameter
3 3/4 in.
Outside diameter (mm)
95.3
Length
3 in.
Length (mm)
76.2
Inlet
1 1/16-12 ORB
Outlet
1 1/16-12 ORB
Contains
25 PSID By-Pass Valve;Threaded Stud: 1-12
Use with
BT839, BT839-10, BT8420, BT8428-MPG, BT8443
Manufacturer part number
OB1320
GTIN
00791440011908

Has [2] 1/8 In. NPT indicator ports that are designed to accept the PG1326 pressure gauge.;Top-mount bracket holes can be used for easy installation. For use on return side.

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 OB1320. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

4 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSOB13201
CARQUEST992511
GRAINGER4ZKD61
ZINGAZAF112501

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.

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.