
Overview
LED replacement bulbs can fit numerous vehicle applications such as dashboard lights, instrument cluster lights and gauge lights. The single-contact BA7s LED bulb replaces traditional 3898 and 16037 bulbs. It has 1 LED that emits a wide 100° viewing angle. European midget bayonet base for easy plug-and-play installation. The energy-efficient bulb has 12V DC operation and is designed to last 10,000 hours on your car, truck, SUV, or van—8 times longer than incandescent bulbs. Available in cool white, blue, green, amber and red.


- Dashboard Lights
- Instrument Cluster Lights
- Gauge Lights
- LED Vanity Lights
- Indicator Lights
Specifications
Part NO | LED Wattage | Intensity | Color Temperature | CCT / Wavelength | CRI | UL File Number | Luminous Efficacy | Price Ea. | IC Rated | Operating Temperature | Lumen Per Dollar | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BA7S-R | - | 2 lm | - | 626 nm | - | - | - | $0.89 | - | - | 2.25 lumen/dollar | ||
BA7S-A | - | 1.5 lm | - | 591 nm | - | - | - | $0.89 | - | - | 1.69 lumen/dollar | ||
BA7S-B | - | 1 lm | - | 473 nm | - | - | - | $0.89 | - | - | 1.12 lumen/dollar | ||
BA7S-G | - | 4.5 lm | - | 532 nm | - | - | - | $0.89 | - | - | 5.06 lumen/dollar | ||
BA7S-W-20PK | - | 5 lm | 6500 | 6500 | - | - | - | $16.95 | - | - | 5.9 lumen/dollar |
Lumen meters are a great way to measure white light output but can be deceptive for colored bulb intensity. Lumens measure light wavelengths in all colors of the visible spectrum. Because multiple wavelengths create white light and colored bulbs are a single-wavelength source, colored bulbs will have lower lumen readings. However, they will appear equally as bright as a white bulb. | ![]() |
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Accessories

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Speedometer illumination in VW Bug Aircooled
These white bulbs work OK for the speedometer illumination on the VW Aircooled Type 1 Bug / Super Beetle.
The speedometer illumination is negative ground, as are these LEDs.
Note that the turn signal, oil, and alt/gen lights are POSITIVE ground, and these LEDs will not work in those positions.
Brighter alternative
Used these on my Porsche 914 after thinking the old bulbs were burned out. They were just not bright so I bought these. The color made the dials seem brighter than the old yellow incandescent bulbs. Wish they could be brighter but that is a design flaw of the gauges. At least I can glance down and see the dials at night when I had to stare for 1 second with the old bulbs