Can a Porsche 911 use a H4 headlight?
All 911s thru 1989 can use the H4 headlamps, however, the 1987-89 911s require a wire harness adapter that will mate with the bulb. The headlamp bucket and fender that hold the housing are identical across all these years. The first step in installing the H4s is to remove the older, sealed beam units.
When was the first Porsche H1 headlight made?
H1 headlight assemblies were first introduced in 1966. There were offered as a factory option by Porsche for model year 1968, but they are correct for earlier cars as they were an after-market add-on. There’s a wealth of information about H1’s on this site HERE.
How to tell the date of Porsche 911 SWB headlights?
The had two adjustment screws in the chrome bezel, one at 1:00 and one at 7:00. You can tell the date of production of the buckets with the code written under the SB 19 lettering.
Is the Porsche 911 able to see at night?
If you are a proud owner of a 1965-1994 Porsche 911, you are aware of one vital flaw, the ability to see at night. For 30 years, the headlight design of the 911 remained the same and unchanged. As engine size grew, performance increased as well which made driving in the evening extremely dangerous.
All 911s thru 1989 can use the H4 headlamps, however, the 1987-89 911s require a wire harness adapter that will mate with the bulb. The headlamp bucket and fender that hold the housing are identical across all these years. The first step in installing the H4s is to remove the older, sealed beam units.
H1 headlight assemblies were first introduced in 1966. There were offered as a factory option by Porsche for model year 1968, but they are correct for earlier cars as they were an after-market add-on. There’s a wealth of information about H1’s on this site HERE.
The had two adjustment screws in the chrome bezel, one at 1:00 and one at 7:00. You can tell the date of production of the buckets with the code written under the SB 19 lettering.
If you are a proud owner of a 1965-1994 Porsche 911, you are aware of one vital flaw, the ability to see at night. For 30 years, the headlight design of the 911 remained the same and unchanged. As engine size grew, performance increased as well which made driving in the evening extremely dangerous.