Topfactory 77930-SNA-A320 Crash Impact Knock Sensor: Detects vehicle impacts
Available Options
This little sensor is the unsung hero of your Civic's safety net. Designed specifically for 2006–2011 Honda Civics, it snaps into place like a missing puzzle piece, hooking right into the car's brain to detect sudden jolts or impacts. When trouble hits—be it a fender-bender or a full-on crash—it's the first to shout, "Deploy the airbags!" ensuring occupants get protection in the blink of an eye.
In the real world, skipping this part is like driving with crossed fingers. A well-maintained knock sensor keeps false alarms at bay and guarantees your safety systems won't snooze when you need them most. It's a savvy, budget-friendly swap for sticklers who want OEM-level reliability without the dealership price tag. Because when it comes to safety, cutting corners isn't just risky—it's downright reckless.
- Enhances safety systems
- Easy installation
- OEM compatibility
- Durable construction
- Detects vehicle impacts
General specs
- Brand: Topfactory
- Model: 77930-SNA-A320
- Seller: Joom
- Compatibility: 2006-2011 Honda Civic
- Part Number: 77930-SNA-A320, 77930SNAA320
- Function: Impact detection, Safety system activation
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Topfactory 77930-SNA-A320 Detects vehicle impacts
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Crash Impact 77930-SNA-A320 Accurate engine knock detection
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Topfactory 77970-TX6-A01 Compatible with Honda Accord
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Topfactory 95920-2S000 Direct replacement for OEM parts
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Topfactory 37940-SNA-A01 Compatible with multiple Honda models
|
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| Brand | Topfactory | Crash Impact | Topfactory | Topfactory | Topfactory | Topfactory |
| Model | 77930-SNA-A320 | 77930-SNA-A320 | 77970-TX6-A01 | 95920-2S000 | 95930-2E000 | 37940-SNA-A01 |
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| Price | $63.45 | $59.86 | $41.14 | $23.80 | $58.69 | $23.02 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 28, 2025 | August 17, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 | August 28, 2025 |
| Compatibility | 2006-2011 Honda Civic | Honda Civic 2006-2011 | 2016-2017 Honda Accord, 2016-2018 Acura RDX | Hyundai Tucson 2010-2015, Kia Sportage 2011-2014 | Kia Sportage 2005-2010, 2.0L engine, 2.7L engine | Honda Accord, Honda Civic, Honda CR-V, Honda CR-Z, Acura CSX, Acura RL |
| Function | Impact detection, Safety system activation | Detects engine knocking | Impact detection for airbag system | Impact detection, Airbag system activation | ||
Crash Impact Knock Sensor
Nathan B.
Lyon
September 1, 2025
i expected this sensor to be a straightforward replacement based on the description, and in reality, it delivered exactly that—snapped right in and worked as intended without any fuss. as a pragmatist, i appreciate that it offers reliable performance at a lower cost, ensuring my car's safety systems are always ready. it's a solid choice for anyone with a bit of mechanical skill, though i'd advise double-checking the fit if you're not confident. overall, it does its job well and keeps me feeling secure on the road, which is what matters most. 👍
- Pros: it fits perfectly into my civic like it was made for it, which it was, and it communicates with the car's systems instantly to trigger safety features during impacts, giving me peace of mind without breaking the bank for original parts.
- Cons: from what i feel, it might be a bit too sensitive in some situations, potentially leading to unnecessary alerts, and installation requires some technical know-how that could be tricky for less experienced folks.