Hazard Warning Switch

Fits:
Porsche 911 and 912 (1965-1969)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161362902
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
A warning flasher switch for all Porsche 911 with short wheelbase.
The warning flasher switch has a clear light guide installed and glows white.
Fits:
Porsche 911 1965-68
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161362301
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Fits:
Porsche 911 1984 - 1986
USA spec.
Harness for brake and seatbelt warning control light panel * to relay socket and 2 x switch on master brake cylinder.
* This harness requires to ship your original harness because some parts are NLA
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161204118
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
Fits:
Porsche 911 SC 1978 - 1983
USA and Canada spec.
Harness for brake and seatbelt warning control light panel to relay socket and 2 x switch on master brake cylinder.
Harness connects to tunnel harness with 2 pole connector.
A new 8 pole PCB connector (AMP 925077) is included.
2 connectors need to be re-used from original harness (NLA).
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91161204112
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC
Stay visible and safe in any driving situation with genuine and aftermarket Porsche hazard warning switches from Design911. This essential electrical component activates your vehicle’s emergency flashers, ensuring all indicator lights illuminate simultaneously to alert other drivers in the event of a breakdown or hazard.
What They Are & What They Do
The hazard warning switch, also known as an emergency flasher switch, is a
control unit typically located on the dashboard or center console. When
engaged, it sends power to all turn indicators, making them flash together to
warn surrounding traffic.
In many modern Porsche models, the switch is integrated with other safety
circuits, communicating with lighting control modules and dashboard warning
systems.
Why They Fail
Over time, hazard switches can fail due to mechanical wear, electrical
contact corrosion, or internal short circuits. Dust, heat, or moisture ingress
can cause sticking, intermittent flashing, or complete failure. A faulty switch
may prevent hazard lights from working or cause them to stay permanently on,
compromising safety and leading to MOT or inspection failures.
Why They Should Be Replaced
A properly functioning hazard switch is vital for driver safety and vehicle
legality. Replacing a worn or damaged switch restores full emergency lighting
functionality, ensuring your Porsche remains visible and compliant during
breakdowns or roadside stops.
Design911 offers a wide range of genuine Porsche and high-quality aftermarket
hazard warning switches, all engineered for perfect fitment, reliable
operation, and long-lasting durability - suitable for both classic and modern
Porsche models.
Genuine Porsche Hazard Warning Switches
Factory-original switches made to Porsche specifications for
precise engagement and dependable emergency light operation.
Aftermarket Replacement Hazard Switches
High-quality alternatives that meet or exceed OEM standards,
providing long service life and reliable electrical performance.
Classic Porsche Hazard Switches
Authentic replacements for vintage Porsche models such as
the 911 Classic, 912, and 964 - designed to maintain originality and safety.
Integrated Dashboard Hazard Units
Modern switches combining hazard control with additional
lighting functions, ensuring compatibility with Porsche’s advanced electrical
systems.
Wiring, Connectors & Fittings
OEM-grade connectors, mounting brackets, and wiring
harnesses for secure installation and long-term reliability of your hazard
system.