Honda Passport Parking Light Bulb Size

Additional Notes

• The Honda Passport parking light specifications cover model years 1994 through 2002, with three distinct bulb types listed across that range: 1034, 1034NA, and 1157NA.
• The 1034 bulb is the most frequently specified type, covering the Honda Passport from 1994 through 1999, as well as the 2000 and 2002 model years in its NA variant form.
• All three bulb types share the same BAY15d bayonet base, dual-filament construction, and 12V/21W/5W electrical ratings, placing them within the same functional family of parking light bulbs.
• The 1034 and 1034NA are both documented as variants of the 1157, meaning they share the same base design and wattage configuration as that widely used ANSI-standard bulb.
• The key distinction between the 1034NA and the 1034 is the natural amber glass envelope on the NA variant, which produces an amber output without requiring an amber-tinted lens on the vehicle.
• The 1157NA specified for the 2001 Honda Passport also features natural amber glass and the BAY15d base, but it carries the 1157 designation rather than the 1034 variant designation used in surrounding model years.
• Although the 1034NA and 1157NA share identical electrical ratings and base types, they carry different ANSI part numbers, and direct interchangeability between them is not confirmed by the specifications for the Honda Passport.
• The dual-filament design present in all three bulb types serves two brightness levels within a single bulb, a configuration typical of parking lights that also function as turn signals or running lights.
• The BAY15d base uses an offset double-contact bayonet mount, a design that physically prevents incorrect filament orientation during installation.