Husqvarna/Jonsered OEM Short Circuit Switch 504385603

Husqvarna / Jonsered OEM Short Circuit Contact (Stop Switch) – Part # 504385603

Genuine OEM Husqvarna/Jonsered short circuit contact switch, new and ready to ship. This is a direct factory replacement stop switch designed for a wide range of Husqvarna and Jonsered chainsaws — used to ground the ignition and stop the engine when activated.

⚠️ NOTE: This part is currently listed as no longer available directly from Husqvarna, though stock remains available through authorized parts retailers.

Product Specifications

• Part Number: 504385603
• Also Known As: 504 38 56-03; Also Cross-References to 504385607
• Description: Shortcircuit Contact (Stop/Kill Switch)
• Brand: Husqvarna / Jonsered (also fits AYP, Craftsman, McCulloch, Poulan, Poulan Pro, RedMax, Weed Eater)
• Condition: New / OEM

Fitment Chart

(Always verify your exact model and serial number before purchasing)

Key Features

• Direct OEM Fit — Genuine factory replacement stop switch designed specifically for compatible Husqvarna and Jonsered chainsaw models
• Grounds Ignition to Stop Engine — Essential safety component that allows the operator to shut down the engine reliably
• Restores Reliable Shutdown — A worn or faulty switch can prevent the engine from stopping properly — replacement restores this critical safety function
• Precision Component — Manufactured to exact factory tolerances for proper fit and reliable electrical contact
• Wide Cross-Brand Compatibility — Fits numerous chainsaw models across multiple Husqvarna-produced brands

⚠️ Verify Before Purchasing: Always confirm your exact chainsaw model before ordering, as fitment can vary across production years.

• ✅ Genuine OEM Husqvarna / Jonsered Part
• ✅ New in Packaging
• ✅ Fits Husqvarna 450, 455, 49SP, 621, 820-930 Series
• ✅ Also Fits Jonsered 450 & 535
• ✅ Also Fits AYP, Craftsman, McCulloch, Poulan, RedMax, Weed Eater
• ✅ Fast Shipping — Ships Quickly from the USA

Keywords: Husqvarna 504385603, short circuit contact, stop switch chainsaw, Jonsered 450 535 stop switch, Husqvarna 621 820 930 switch, kill switch chainsaw replacement, OEM Husqvarna ignition switch, chainsaw shortcircuit contact

Questions about fitment? Check your owner's manual or contact your local Husqvarna/Jonsered dealer to confirm this is the correct stop switch for your chainsaw model.