Iggniopt Starter Motor for Toro 22.5 & 24.5HP Engines - 136-7880 Direct-Fit Replacement, 5.5" Mount & 450V Capacitor

Iggniopt 136-7880 starter motor is a direct-fit replacement designed to reliably start 22.5 and 24.5HP Toro engines used in Timecutter, Titan HD, Z Master, Quest, Radius E-Series and S-Series mowers.

This heavy-duty replacement starter motor is built to match OEM form and function while offering simple installation and quiet operation. It replaces part numbers 136-7880, 133-1564, 133-9828 and 127-9209 and is also interchangeable with Gravely 21110533 and common Exmark Quest and Radius series starters. Key electrical and mechanical specs such as the integrated 450V 680µF capacitor and a 5.5" (140mm) mounting center make it a straightforward swap for worn or defective starters.

Will this starter motor fit my Toro or Exmark mower?

Yes — the Iggniopt 136-7880 is engineered as a direct replacement for the listed Toro and Exmark models. Match the part numbers and the mounting hole-to-hole dimension to confirm fitment before purchase.

• Replaces part numbers: 136-7880, 133-1564, 133-9828, 127-9209, Gravely 21110533
• Compatible with Toro Timecutter, Titan HD, Z Master models
• Compatible with Exmark Quest, Radius E-Series, Radius S-Series
• Mounting center: 5.5" / 140 mm (hole-to-hole)

How easy is installation and what tools will I need?

Installation is intended to be straightforward because the unit is a direct-fit replacement of the original starter. Typical installation involves disconnecting the battery, removing the old starter, and bolting the new unit in place with basic hand tools.

• Disconnect battery negative cable before starting
• Common tools: socket set, ratchet, wrench set, and possibly a torque wrench
• Refit electrical connectors exactly as removed to ensure safe operation
• Follow vehicle service manual torque specs where applicable

What electrical and performance features should I expect?

The starter features a built-in 450V 680µF capacitor to stabilize electrical performance during cranking and reduce voltage spikes. It’s designed for smooth, quiet engagement and reliable starter motor duty for 22.5 and 24.5HP lawn mower engines.

• Capacitor: 450V, 680µF for electrical smoothing
• Designed for quiet operation and smooth engagement
• Robust construction to handle repeated start cycles
• Direct replacement for OEM starter electrical and mechanical layout

How can I verify compatibility and avoid returns?

Before ordering, compare the part number on your existing starter with the replacement list, confirm the 5.5" (140mm) mounting center, and review connector types. If your mower uses one of the listed models or OEM numbers, this starter will likely be the correct match.

• Check original part number stamped on the starter
• Measure bolt-hole center-to-center distance (5.5" / 140 mm)
• Compare electrical terminal and mounting orientation photos
• Contact a technician if your starter has nonstandard brackets or wiring

Who is this for: This starter motor is intended for homeowners, landscapers and repair shops who need a dependable, direct-replacement starter for Toro 22.5 and 24.5HP engines and compatible Exmark/Gravely models. It’s a good choice if you want an OEM-style fit, reliable cranking, and straightforward installation without modifying existing mounts or wiring.