Kohler 25-098-24-S Electric Starter Replacement - Reliable Fit

In this review of the Kohler 25-098-24-S electric starter, the bottom line is simple: it is a straightforward OEM replacement for riders and walk-behind mowers that need a dependable 12V solenoid shift starter. Mechanics and DIYers will appreciate that this starter is a genuine Kohler part that replaces earlier part numbers and is built to match the original equipment; the most compelling reason to buy is its direct fit and expected compatibility with multiple Kohler engine models, making installation quick and predictable.

Key Features

• Genuine part: This is a Kohler OEM starter, which helps ensure compatibility and the same build quality as the original component.
• Multiple replacements: Replaces old part numbers 25-098-11-S, 25-098-20-S and 25-098-21-S so it can be used when older starters wear out or are discontinued.
• 12V solenoid shift: The 12V solenoid shift design provides reliable engagement and simple wiring for typical mower electrical systems.
• Gear detail: The unit uses a 9 teeth gear, matching the mechanical interface on confirmed Kohler-compatible engines for correct meshing.
• Single-pack convenience: Ships as one starter, so users replacing a failed starter receive exactly what is needed without extra components.

Who It's For

This starter is aimed at owners of lawn tractors, commercial mowers and walk-behind machines that use Kohler engines listed in parts diagrams, and at small repair shops that prefer genuine replacement components. People who value an OEM fit and straightforward swap-in installation will find this part especially useful.

It is not aimed at custom or non-standard engine conversions, and buyers should verify the original Kohler part number in the owners manual or parts diagram before ordering to ensure fitment. Those seeking a universal or modified starter for non-Kohler drivetrains should look elsewhere.

Pros & Cons

Pros

• Direct OEM replacement improves the chances of correct fit and reduces troubleshooting when installing.
• Customers report easy installation and good build quality, making it accessible for DIY repairs.
• Replaces several legacy part numbers, which simplifies sourcing the correct replacement.

Cons

• Compatibility is limited to models that match Kohler part numbers, so verification is required before purchase.

Specifications

Part number	25-098-24-S (2509824-S)
Replaces	25-098-11-S, 25-098-20-S, 25-098-21-S
Voltage	12V
Starter type	Solenoid shift
Gear teeth	9 teeth
Package quantity	1 starter

Our Verdict

The Kohler 25-098-24-S is a practical choice for anyone who needs a like-for-like 12V solenoid shift starter backed by OEM fitment. It delivers the expected durability and ease of installation for routine mower repairs, and because it replaces several legacy part numbers, it represents good value for those restoring original equipment performance.

Frequently Asked Questions

Will this starter fit my Kohler engine?
Check the original Kohler part number in your owners manual or parts diagram; this unit replaces 25-098-11-S, 25-098-20-S and 25-098-21-S.

Is installation difficult?
Customers report straightforward installation; many experienced a 20-minute swap when wiring and mounting points match the original starter.

Does it include mounting hardware?
The package ships as one solenoid shift starter; verify whether your repair requires any additional bolts or electrical connectors that may be reused from the old unit.