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BALDWIN · Engine Oil Separator

OAS99048

Oil/Air Separator Spin-on

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

THE DETAILS THAT MATTER

FILTER SPECIFICATIONS.

Filter type
Oil/Air Separator Spin-on
Thread
M24 x 1.5
Outside diameter
3 27/32 in.
Outside diameter (mm)
97.6
Length
8 5/16 in.
Length (mm)
211.1
Gasket
[1] Included
Manufacturer part number
OAS99048
GTIN
00791440107670

Baldwin replacement references: Rotorcomp R12476

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 OAS99048. Keep any size, quantity or application conditions with the match. A cross-reference alone does not confirm fit on your equipment.

41 manufacturer reference rows

Brand / manufacturerReference numberCondition / noteReference qty
ABAC90562921
ALUP KOMPRESSOREN172510011
ATLAS COPCO16220871001
ATLAS COPCO29030871001
BALDWIN FILTERSOAS99032Superseded by1
BALDWIN FILTERSOAS990481
BLITZ SCHNEIDER7581601
BOGE5750001021
BOTTARINI2210461
CARQUEST950871
COMPAIR982622151
DEMAG105335741
DONALDSONP783499Exc. Eagle NK601
ECOAIR4101510221
ECOAIRF4101510221
FAI (KOMATSU)DSP07001
FIAC72119600001
FINI482870001
FLEETGUARDAS2451Exc. Eagle NK601
FLEETRITEASR824511
GRAINGER54TA261
GREYFRIARSSEP6007S1
HASTINGSOAS990321
IRMER & ELZE40012261
IRMER & ELZE7545011
JURA (HIFI)OV60731
M.A.N.49306581011
M.A.N.49306581311
MANN+HUMMELLB9621
MANN+HUMMELLB9622Exc. Eagle NK601
NAPA GOLD4011101
NAPA X4011100
POWER SYSTEM4900091
ROTORCOMPR12476Exc. Eagle NK601
ROTORCOMPR274321
ROTORCOMPR74321
SF-FILTER / SCHUPPSPA500341
SOTRASDF50051
VMAC36000791
WIXP02AX767Exc. Eagle NK601
WOODGATEWGOS9621

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.