Description
25 099 27-S – Kohler Oil Pressure Switch (Genuine OEM Engine Oil Pressure Sensor)
The Kohler 25 099 27-S Oil Pressure Switch is a genuine OEM replacement sensor designed to monitor engine oil pressure and protect compatible Kohler Aegis® and Command® engines. Mounted directly into the engine block with a 1/8″ NPT thread, this switch continuously monitors lubrication system pressure and sends a signal to the engine’s warning or protection system when oil pressure falls below the specified operating level.
Manufactured to Kohler’s strict OEM standards, the 25 099 27-S provides accurate oil pressure monitoring, helping prevent severe engine damage caused by low oil pressure while ensuring reliable operation in commercial and residential equipment.
Product Details
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Part Number: 25 099 27-S
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Brand: Kohler
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Part Type: Oil Pressure Switch
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Thread Size: 1/8″ NPT
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Mounting Location: Engine Block
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Installation: Direct OEM Replacement
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Genuine Kohler OEM Part
Replaces Previous Part Numbers
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25 099 24
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25 099 24-S
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KH-25-099-24
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KH-25-099-24-S
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KH-25-099-06
Key Features
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Genuine Kohler OEM oil pressure switch
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Accurately monitors engine oil pressure
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1/8″ NPT threaded connection
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Helps protect engines from low oil pressure damage
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Durable, vibration-resistant construction
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Reliable electrical operation
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Direct-fit OEM replacement
Function
The Kohler 25 099 27-S Oil Pressure Switch monitors engine oil pressure during operation. If oil pressure drops below a safe level, the switch activates the warning or engine protection circuit, helping prevent catastrophic engine damage caused by insufficient lubrication.
Compatible Kohler Engines
The 25 099 27-S is commonly used on compatible Kohler engines including:
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Kohler Aegis LH775 (30 HP)
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Kohler Aegis ELH775 (30 HP)
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Kohler Command ECH730 (23 HP)
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Kohler Command ECH749 (26 HP)
Compatible Equipment
Commonly found on equipment including compatible:
Argo ATV Models
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Aurora 800 8×8
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Avenger 700 8×8
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Avenger 750 EFI 8×8
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Avenger 800 8×8
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Conquest Pro 800 XT-X / XT-L 8×8
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Frontier 6×6 S
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Frontier 6×6 SE
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Frontier 700 6×6
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Frontier 8×8 S
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Frontier 700 8×8
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HD 700 8×8
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HDI SE 8×8
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HDI 750 8×8
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Huntmaster 8×8
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Outfitter 8×8
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Scout 6×6
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Scout 8×8
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XTI 8×8
Always verify your engine model and OEM part number before ordering.
Who Is This For?
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Commercial landscapers
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Equipment fleet managers
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Utility vehicle owners
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Small engine repair technicians
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Outdoor power equipment dealers
Recommended Applications
Ideal for replacing a faulty oil pressure switch during engine maintenance, oil system repairs, warning light troubleshooting, or preventative service.
Pros
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Genuine Kohler OEM quality
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Accurate oil pressure monitoring
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Protects against engine damage from low oil pressure
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Durable, vibration-resistant construction
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Direct OEM replacement
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Long service life
Cons
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Fits only compatible Kohler engine applications
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Should be installed using the manufacturer’s recommended torque and thread sealing procedure
Comparison – Kohler 25 099 27-S vs Aftermarket Oil Pressure Switches
Kohler 25 099 27-S
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Genuine OEM specifications
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Accurate pressure calibration
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Reliable electrical performance
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Engineered specifically for Kohler Aegis and Command engines
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Long-lasting durability
Generic Aftermarket Switches
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May have different pressure activation points
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Variable manufacturing quality
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Potential fitment or electrical compatibility issues
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Shorter service life
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment supplies genuine Kohler OEM engine components trusted by professional landscapers, equipment technicians, and commercial operators.
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Genuine OEM Kohler replacement parts
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Fast nationwide shipping
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Competitive pricing
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Expert technical support
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Extensive inventory for Kohler, Argo, and other leading outdoor power equipment brands
