SportDOG SD-425X/425XS Replacement Transmitter-- CUT 03-30-2026

Read how to add your existing collars to your new handheld. Replacement transmitter for SD-425X and SD-425XS training systems. Includes antenna and lanyard. Charger not included. Replace your lost transmitter, use it to split your multi-dog system into two smaller systems or program multiple transmitters to control the same collar(s). This transmitter only works with "25" and "25X" series collars.

Price: 89.99

Code: 8810

We ship these US48 only. We'll contact you with additional shipping / sales taxes or questions about your order.

Questions? We're here to help. Call 1-800-624-6378 or 662-324-2410 and we'll answer any questions or take a phone order.

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Questions? Since 1972, we're here to help. Call 1-800-624-6378 or 662-324-2410 and we'll answer any questions or take a phone order. Prefer email? Contact sales@gundogsupply.com. -- Steve Snell