HomeHella 004846001 Brake Light Switch
Part #: 004846001

Hella 004846001 Brake Light Switch

18 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW and Saab, 318i, 320i, 325i, 900, and M3
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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.

BrandHella
Part Number004846001
Combi Switch FunctionNormally open contact
Mounting TypeBolted
Number of connectors2
Operating ModeElectric
Rated Voltage [V]12
Spanner Size19
SVHC7439-92-1; lead
Thread SizeM12x1,5
Transmission TypeManual transmission

This part fits 18 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1991BMWM3Base2.3LL4GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1990BMWM3Base2.3LL4GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1989BMW325iBase2.5LL6GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1989BMWM3Base2.3LL4GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1988BMW325iBase2.5LL6GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1988BMWM3Base2.3LL4GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1987BMW325iBase2.5LL6GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1985BMW318iBase1.8LL4GASN/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1984BMW318i1.8LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1984Saab9002.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1983Saab9002.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1982Saab9002.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1981Saab9002.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1980Saab9002.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1979BMW320i2.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1979Saab9002.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1978BMW320i2.0LL4N/A12V - 2-Pin Connector - Bolted - Normally Open Contact - Electric - Manual Transmission
1977BMW320i2.0LL4N/A12V - 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:

016240162509120111 352 1531 354 07110000217161000254987122-237023 14 1 352 15323 14 1 354 0714037403704381 6630654460551661 31 1 352 153654-100-2237.602970 560 11495 09 480D 449 004 29D44900429LRL023RLS5055RS5516SRL022V20-73-0079XRLS17

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.