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BALDWIN · Hydraulic Filter

PT9557

Hydraulic Element

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

Stock checked September 11, 1:46 PM Eastern. Call before travelling so we can confirm what is still available.

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Hydraulic Element
Outside diameter
6 1/8 in.
Outside diameter (mm)
155.6
Inside diameter
4 13/16 in.
Length
16 31/32 in.
Length (mm)
431.0
Contains
20 PSID By-Pass Valve
Manufacturer part number
PT9557
GTIN
00791440085572

Baldwin replacement references: Hitachi 4448402, 4443773

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 PT9557. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

30 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
BALDWIN FILTERSPT95571
CARQUEST940021
DONALDSONP5022701
FLEETGUARDHF76911
GRAINGER5ECZ31
HITACHI44437731
HITACHI44484021
HITACHIFYA000330651
HITACHIYA000330651
JOHN DEERE44437731
JOHN DEEREFYA000160511
JOHN DEEREFYA000160531
JOHN DEEREFYA000160541
JOHN DEEREFYA000160551
JOHN DEEREFYA000163861
JOHN DEEREFYA000330651
JOHN DEERETH44437731
JURA (HIFI)SH601501
MANN+HUMMELHD16190X1
NAPA GOLD4000001
NAPA X4000001
SAKURAH273801
SAKURAH79811
SANYB2221000002331
SF-FILTER / SCHUPPHY902501
SF-FILTER / SCHUPPHY908501
SURE FILTER TECHNOLOGYSFH30651
WIXSL100021
WIXWL100021
WIXWL10051(FYA00016054)1

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.

Hitachi Excavators; John Deere Excavators, Loaders

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.