This Bosch fog light relay is the switching relay for the Porsche 928 applications listed in the fitment table below. 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.

Technical Details

Manufacturer part number: 0 986 AH0 453
Type: Electrical relay
Function: Controls fog light circuit switching
OE-style Bosch service part for relay-panel replacement work
Application shown in the table: 1978-1991 Porsche 928
Inspect relay socket condition and terminal tension during installation

Fitment & Compatibility

Use the fitment table below to confirm the exact year range before ordering.

If you need help confirming out the right part before you order, send us the details on your car. We have been working with Porsche parts for over 20 years, and we still treat fitment questions like they matter.

Year	Make	Model
1978	Porsche	928
1979	Porsche	928
1980	Porsche	928
1988	Porsche	928
1989	Porsche	928
1990	Porsche	928
1991	Porsche	928

Fog Light Relay

Bosch Fog Light Relay for Porsche 928 (1978-1991)