NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi
The NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi is an OEM-spec safety device that cuts battery power during collisions. Priced at $15.45, it ensures electrical isolation in crashes for modern VW and Audi models.
● In stock
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Key features
- OEM 4G0915519 specification match
- Pyrotechnic disconnect for crash safety
- High-current circuit interruption
- Compact, underhood-compatible design
- Resists heat, vibration, and moisture
- Plug-and-play installation
- Ensures post-crash electrical isolation
Pros
- +Exact OEM replacement for reliability
- +Critical safety function in collisions
- +No programming needed after install
- +Durable for harsh engine environments
- +Affordable compared to dealership parts
Cons
- −One-time use after activation
- −Only for specific VW and Audi models
- −Not reusable once triggered
About NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi
What is NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi?
The NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi is an OEM-specified safety component engineered to instantly disconnect the vehicle’s battery during a collision. This pyrotechnic fuse activates in milliseconds, cutting high-current circuits to prevent electrical fires and ensure occupant safety. Designed specifically for modern Volkswagen and Audi models, it integrates seamlessly with factory crash response systems and requires no programming after installation. Built for reliability under the hood, this fuse is a critical part of the vehicle’s passive safety architecture.
Key features
- OEM 4G0915519 Match — Direct replacement meeting factory specifications for VW and Audi.
- Pyrotechnic Safety Response — Instantly disconnects battery power during impact using controlled charge.
- High-Current Interruption — Safely breaks main power circuits to reduce fire risk post-collision.
- Durable Construction — Resists heat, vibration, and moisture in engine bay environments.
- Plug-and-Play Design — Installs without coding or modifications; connects directly to harness.
- Compact Form Factor — Fits tight underhood spaces without interference.
- Post-Crash Isolation — Ensures electrical system remains disabled after activation for safety.
Who is NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi for?
This fuse is ideal for VW and Audi owners maintaining or repairing vehicles equipped with pyrofuse safety systems. It serves DIY mechanics, collision repair shops, and auto technicians needing an OEM-compliant replacement after an accident. It's essential for restoring factory safety functions without dealership pricing.
How does NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi compare?
Unlike standard fuses or manual disconnects, this pyrofuse offers automated, instantaneous response during crashes—matching OEM safety performance. It outperforms generic high-current breakers in speed and integration, and costs significantly less than dealership parts while delivering identical function and fit.
Best use cases
- →Replacing activated pyrofuse after collision
- →Restoring OEM safety post-repair
- →Upgrading from manual battery disconnect
- →Use in VW/Audi repair and maintenance
- →Ensuring compliance with factory safety
Is NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi right for you?
Buy this pyrofuse if you own or service a VW or Audi that requires OEM-compliant crash safety systems. Ideal for DIYers with basic mechanical skills and access to battery terminals. Not needed for non-Audi/VW vehicles. Alternatives include dealership OEM units at higher cost or unsafe bypass methods that compromise safety.
How it compares: Compared to standard polypropylene fuses or manual battery switches, this pyrofuse offers faster, automated response during crashes. It integrates natively with VW/Audi safety systems, unlike universal breakers requiring extra wiring or programming.
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What does the pyrofuse do in a collision?
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The pyrofuse uses a small pyrotechnic charge to instantly cut the main battery circuit during a crash, preventing electrical shorts and reducing fire risk in VW and Audi vehicles.
Does this pyrofuse require programming after installation?
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No, this pyrofuse is plug-and-play and does not require coding or programming. It functions immediately once installed in compatible VW and Audi models.
How do you know if the pyrofuse has been triggered?
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A triggered pyrofuse will show visible separation inside the fuse element. The vehicle typically won't start or charge, and diagnostic tools may report battery disconnect faults.
Is the pyrofuse reusable after activation?
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No, the pyrofuse is a one-time-use safety device. Once activated during a collision, it must be replaced to restore battery power and safety functions.
Can I install this myself?
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Yes, if you're comfortable working with battery connections and following safety procedures. Disconnect the battery first, then replace the unit using basic hand tools.
How much does NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi cost?
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NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi is $15.45 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi in stock at Lab Work Auto?
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Yes, NEW Battery Disconnect Fuse pyrofuse pyroswitch 4G0915519 Fit for VW Audi is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-1579