1-4 DAYS DELIVERY
Viper 3121V Powersports alarm system
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100% ORIGINAL AND QUALITY
24 MONTHS GUARANTEE
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Viper 3121V Powersports alarm system
Keep your gear secure and your mind at ease
Viper designed and engineered their 3121V security system specifically for motorcycles, ATVs, boats, personal watercrafts, and snowmobiles. This alarm system features two 2-button waterproof remotes, a compact, waterproof alarm module, and a miniature water-resistant siren. The alarm also features a closed loop trigger, which is great for protecting helmets, saddlebags, and other valuables. You snake the trigger wire through your item, and if the wire gets broken, the alarm sounds.
There's more
Using the adjustable onboard shock and tilt sensor, the system will warn off most would-be thieves messing with your vehicle. An extra trigger input and an auxiliary output give this alarm system the versatility to work for you in almost any configuration, including controlling cabin door locks and lighting. If someone tries to steal a motorcycle armed with a 3121V, the anti-jacking mode will activate the siren, flash the parking lights, and disable the engine.
Product highlights:
- powersport security system
- designed for motorcycles, boats, ATVs, and more
- two 2-button waterproof 1-way remote controls
- waterproof main module with wiring harness
- IP66 rating (splash-proof)
- shock and tilt sensor onboard
- water-resistant siren
- loop trigger for protecting helmets and other valuables
- auxiliary trigger input
- anti-motorcycle-jacking protection
- auxiliary output to operate additional accessories like locks and lights
- panic alarm
- valet mode overrides alarm
- warranty: limited lifetime
- Our 14-day money-back guarantee
What's in the box:
- Control module with integrated 15-wire harness with inline 5A fuse on power wire and 15A fuse on park light wire (see more info for individual wire lengths)
- SPO-80 Piezo siren with 15" wire leads
- LED (pre-installed in mount with adhesive backing and attached 38" cord)
- Two 7121V 2-button remotes with installed CR2032 battery
- Owner's/install guide
- 2 "Viper" stickers
30-Day Return Policy
At Fuego Bass Shop, we want you to be fully satisfied with your purchase. You can return most products within 30 days of delivery for a refund or exchange.
Please note: Any returns with physical damage or missing original packaging may incur a deduction.
Restocking Fee: A 15% restocking fee will be deducted from your refund to cover handling and restocking.
Refunds will be processed to your original payment method within 5–7 business days after we receive and inspect the returned item.
We ship within the United States (excludes recipients in Alaska, Hawaii, Puerto Rico, U.S. Virgin Islands, and Guam).
At Fuego Bass Shop, we understand the thrill of receiving your car audio equipment quickly. Our shipping process is designed to ensure your order arrives safe, fast, and ready to pump bass.
Most orders are processed within 1–2 business days. Standard shipping usually takes 3–7 business days depending on your location. Expedited shipping is available for select items during checkout.
Once your order is shipped, you will receive a tracking number via email so you can follow your gear every step of the way. Our packaging is designed to protect high-performance audio equipment from bumps, vibrations, and shocks during transit.
Please note: Delivery times may vary during holidays, promotions, or due to carrier delays. We highly recommend verifying your shipping address before completing checkout to avoid delays.
If you have any questions about your shipment or need assistance, our support team is ready to help. We want your experience with Fuego Bass Shop to be as powerful and smooth as our bass systems!

