921 / T10 Base Incandescent Bulb. 2 amps, 255°F Degrees.Your existing T10 / 921 bulb is 200-225 Lumens. This bulb is 600 Lumens – 2 times BRIGHTER than the bulb you are replacing!
Designed to take advantage of the reflector in your fixture!
This is the bulb that SHOULD be in your fixture – brighter, cooler (no more brown fixtures and melting lenses) and with 90% less energy used.
This bulb has been redesigned to be brighter and operates at a wider voltage range!
This bulb is a Cabin Bright Exclusive!
This T10 bulb fits your 921 Wedge Base Socket.
• Base: T10 / 921 / Wedge Base Tower Style
• LEDs: 18-2835s
• Volts: 9-16 AC/DC
• Amps: 0.2
• Lumens: 600
• Dimensions: 9mm Diameter; 25mm Long (not including base)
• Lifespan: 60,000 hours
• Color: 3200K-Warm White, 4100K-Neutral White or 5500K-Day White
• DIMMABLE!
Colors are for comparison only. Colors will vary with different monitors and settings.
THIS DOES NOT REPRESENT BRIGHTNESS.
Choose your preferred color temperature from the “Choose an Option” drop-down menu above.
The 18-2835 LEDs produce 3 times more light than your T10 / 921 / Wedge Base halogen incandescent bulb you are replacing but will draw less than 7% of the power. . .Making your house batteries last longer. To REALLY make your coach batteries last the longest, look through the rest of our site and replace ALL your lights with the Cabin Bright LED Solution!
1141 / 1156 Single Contact Base
168 / 192 Wedge Base Marker Light Bulb
T10 / 921 - Wedge Base, 9-5050 LEDs, 12 volts - .12 amps, 120 Lumens, 3200K-Warm White or 5500K-Day White
Bulb pictures are not to scale. 
Dean S. (verified owner) –
Kevin Mayfield (verified owner) –
Excellent product and service!