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Hella 004846001 Brake Light Switch
Reliable Brake Light Switch for BMW and Saab Vehicles
The Hella 004846001 brake light switch is designed for precise and dependable operation in select BMW and Saab models. Engineered for manual transmission vehicles, this switch ensures consistent brake light activation to maintain safety and compliance.
- Combi switch function with normally open contact
- Bolted mounting type for secure installation
- Two electrical connectors for reliable connectivity
- Operates on 12V rated voltage
- Thread size M12x1.5 compatible with OEM specifications
- Spanner size 19 for ease of maintenance
- Designed specifically for manual transmission systems
Technical Details and Compatibility
This Hella brake light switch (part number 004846001) features a normally open contact combi switch function, which closes the circuit when the brake pedal is pressed, activating the brake lights. The bolted mounting type ensures a stable and vibration-resistant fitment. With two connectors, it provides a secure electrical connection suitable for the 12-volt electrical systems found in BMW 318i, 320i, 325i, M3, and Saab 900 models. The M12x1.5 thread size and spanner size 19 allow for straightforward installation and maintenance. This switch is specifically designed for vehicles equipped with manual transmissions, ensuring compatibility and optimal performance.
Applications and Problem Solving
- Restores brake light functionality in BMW 318i, 320i, 325i, M3, and Saab 900
- Resolves intermittent or non-functioning brake lights due to faulty switch
- Eliminates brake light flickering caused by poor electrical contact
- Ensures compliance with vehicle safety regulations
- Prevents potential brake light-related safety hazards
Installation Notes and Tips
Installation requires a spanner size 19 to properly secure the switch using its M12x1.5 threaded mount. Ensure the vehicle is off and the brake pedal is in the released position before removal of the old switch. Verify the electrical connectors are clean and properly seated during installation. This switch is designed for manual transmission vehicles; confirm compatibility with your specific BMW or Saab model before installation.
Quality Assurance and Warranty
Hella is a recognized manufacturer of automotive electrical components, and the 004846001 brake light switch meets OEM standards for fit and function. While specific warranty details are not provided, Hella products typically come with manufacturer-backed quality assurance to ensure durability and reliable operation in demanding automotive environments.
| Brand | Hella |
|---|---|
| Part Number | 004846001 |
| Combi Switch Function | Normally open contact |
| Mounting Type | Bolted |
| Number of connectors | 2 |
| Operating Mode | Electric |
| Rated Voltage [V] | 12 |
| Spanner Size | 19 |
| SVHC | 7439-92-1; lead |
| Thread Size | M12x1,5 |
| Transmission Type | Manual transmission |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1991 | BMW | M3 | Base | 2.3L | L4 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1990 | BMW | M3 | Base | 2.3L | L4 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1989 | BMW | 325i | Base | 2.5L | L6 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1989 | BMW | M3 | Base | 2.3L | L4 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1988 | BMW | 325i | Base | 2.5L | L6 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1988 | BMW | M3 | Base | 2.3L | L4 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1987 | BMW | 325i | Base | 2.5L | L6 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1985 | BMW | 318i | Base | 1.8L | L4 | GAS | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
| 1984 | BMW | 318i | 1.8L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1984 | Saab | 900 | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1983 | Saab | 900 | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1982 | Saab | 900 | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1981 | Saab | 900 | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1980 | Saab | 900 | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1979 | BMW | 320i | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1979 | Saab | 900 | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1978 | BMW | 320i | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission | ||
| 1977 | BMW | 320i | 2.0L | L4 | N/A | 12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.