A-B1AF204M-AI Air Filter, Kohler #2508301

One New Aftermarket Replacement Air Filter for Kohler Command Pro Engines

This heavy-duty primary air filter fits Kohler Command Pro and Aegis series engines using the HDAC (Heavy-Duty Air Cleaner) remote canister system. It replaces Kohler OEM part number 25 083 01-S and protects the engine by filtering airborne dust and debris before they can enter the intake. Regular replacement helps maintain engine performance and extends service life across a wide range of lawn, garden, and light commercial equipment powered by Kohler engines.

Specifications

• Filter Type: Primary / Outer radial seal element
• Dimensions: 4-1/8" OD x 10-3/4" H x 2-1/2" ID
• Application: HDAC remote air canister systems

Compatible Kohler Engine Models

Kohler Command Pro (CH Series): CH18, CH20, CH22, CH23, CH25, CH26, CH640, CH641, CH680, CH682, CH730, CH732, CH740, CH742, CH745, CH750, CH752, CH620-CH1000

Kohler Command Pro (CV Series): CV16, CV17, CV20, CV22, CV23, CV25, CV26, CV620-CV1000

Kohler Aegis / EFI Series: LH630-LH775, LV625-LV680, ECH630-ECH980, ECV630-ECV980, C940-C980

Compatible Equipment (Selected Models)

Fits Exmark: Lazer Z, Z Advantage, Z HP, Z XP, Z XS (with Kohler 25-28 HP engines)

Fits Toro: Z Master 200 Series mid-mount zero-turn mowers (52", 62", 72" cut) with Kohler Command Pro 23 & 25 HP engines

Ariens: 00181071, 21536900, 21537000, 21538600

Fits Ferris: 5022892X1, 5023141, 841237

Gravely: 21536900, 21537000, 21538600

Hustler: 785261

Fits John Deere: M131802, M144100, M164264, RG60690, MIU12457, PMAF25551

Fits Kawasaki-engined equipment cross-reference: 11013-7020, 11013-7044

Fits Bobcat: 4114746, 4164630, 6672467

Replaces Part Number(s):

Kohler 2508301, 25 083 01, 25 083 01-S, 2508301-S; A&I Products A-B1AF204M-AI, B1AF204

Aftermarket Interchange Numbers

Fits John Deere M131802, M144100, M164264, RG60690; Fits Briggs & Fits Stratton 841497; Wix 46438; Ariens 00181071; Fits Exmark 103-1327; Fits Toro 108-3810; Fits Donaldson P821575

New aftermarket replacement part - not remanufactured, not used.