Direct Replacement for Subaru EX17 and EX21 – Designed to replace OEM part 220A-46502-00 and 277-43303-03, this speed control assembly ensures accurate throttle and governor response for EX40 engines.
Smooth & Reliable Throttle Operation – Restores consistent RPM control and smooth acceleration under load, crucial for engine-driven equipment.
Built for Long-Term Use – Manufactured from durable, wear-resistant materials to handle tough working conditions and high engine vibration.
Easy Installation – Plug-and-play design allows for quick and hassle-free installation, making it ideal for both professionals and DIY users.
Ideal for Industrial & Commercial Engines – Compatible with generators, construction equipment, and pressure washers using Subaru EX17 and EX21 engines.
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Restore the performance of your EX17 and EX21-powered equipment with the Spertek Speed Control Assembly — a high-quality aftermarket replacement for part number220A-46502-00 and 277-43303-03. This throttle governor control assembly is essential for maintaining consistent engine speed, smooth power delivery, and responsive acceleration under load. Whether you're running a generator, concrete saw, or industrial machine, this part ensures your EX17 and EX21 engine runs efficiently and reliably. Crafted for durability and precision, this Spertek replacement is easy to install and made to last, delivering performance you can count on for professional or heavy-duty use.