
The Story
This Bosch 5 amp standard flat fuse is the correct service fuse for Porsche applications that call for Bosch part number 1-904-529-903. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability. It restores the original fuse style and amperage without guessing on size or circuit load.
Technical Details
- Manufacturer part number: 1-904-529-903
- Bosch catalog reference: 55 9039 011 / 559039011
- Fuse style: Standard flat fuse
- Rated current: 5 amps
- Voltage rating: 32V
- Color code: Tan/Beige
Fitment & Compatibility
Verify the standard flat fuse format, amperage rating, and circuit requirements before installation. Confirm compatibility using the manufacturer part number and fuse type listed above.
If you would like help verifying fitment, contact us with your VIN and part number so we can confirm the correct application.
Description
This Bosch 5 amp standard flat fuse is the correct service fuse for Porsche applications that call for Bosch part number 1-904-529-903. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability. It restores the original fuse style and amperage without guessing on size or circuit load.
Technical Details
- Manufacturer part number: 1-904-529-903
- Bosch catalog reference: 55 9039 011 / 559039011
- Fuse style: Standard flat fuse
- Rated current: 5 amps
- Voltage rating: 32V
- Color code: Tan/Beige
Fitment & Compatibility
Verify the standard flat fuse format, amperage rating, and circuit requirements before installation. Confirm compatibility using the manufacturer part number and fuse type listed above.
If you would like help verifying fitment, contact us with your VIN and part number so we can confirm the correct application.











