20 AMP Upgrade Blade Clutch PTO Switch Replaces Scag 483957 481687 - Yellow Used with 461715 461660 461661 462166 461772 462339 484276 Electric PTO Clutch 461826 461662

What It Is

This is a 20-amp blade clutch PTO (Power Take-Off) switch that engages and disengages the mower deck blades on Scag zero-turn mowers. It replaces OEM Scag part numbers 483957 and 481687, and is designed for use with electric PTO clutches like models 461715, 461660, 461661, 462166, 461772, 462339, 484276, 461826, and 461662.

Fitment & Compatibility

Check these before buying:

• Mower brand/model: Fits Scag zero-turn mowers (e.g., Turf Tiger, Wildcat, Cheetah, Patriot) with 20-amp PTO systems. Not for smaller 15-amp or larger 30-amp setups.
• OEM cross-reference: Confirmed replacement for Scag 483957 and 481687. Verify your mower’s part number matches.
• Physical check: Switch has three spade terminals (common, normally open, normally closed). Measure your old switch’s mounting hole spacing (center to center) – should be ~1.5 inches. If yours is different, it won’t fit.
• Deck size irrelevant: This switch controls the electrical signal to the clutch, regardless of deck width.

Key Things to Know

• Quality vs. OEM: Aftermarket switch works reliably for most users, but some report slightly looser fit in the control panel. Tighten mounting nut firmly.
• Installation difficulty: Easy – unplug old switch, remove nut, swap, reconnect. No special tools needed. Disconnect battery first.
• Common gotcha: The yellow cap color may not match your mower’s original (often black). Function is identical; cosmetic only.
• Wiring check: If your mower has a diode or resistor in the switch circuit, this replacement works fine. If you have a different connector style (e.g., round pin vs. spade), you’ll need an adapter or different switch.

Should You Buy It

If your Scag’s blade engagement switch is dead or intermittent, this is a solid, budget-friendly fix. It’s right for DIY owners who want to save $20–$30 over OEM without sacrificing reliability. Not for commercial operators who need exact OEM fit and finish, but for home use or light commercial, it’s a great value.