What is the Difference Between a 912 and 921 Bulb
Updated 07/12/2017 | Published 07/11/2017 >
Question:
I see this light uses either a 912 or 921 bulb. Whats the difference?
asked by: Rodger W
1
Helpful Expert Reply:
The 921 bulbs are easier to come by than the 912. For a 921 you can use # A921B. For the 912 there is only an LED option, # AR50610. The 912 bulb is polarity sensitive so if it doesn't work take it out and turn it 180 degrees and reinsert it.
expert reply by:
Michael H
1

Continue Researching
- Shop: Westin EXP Truck Topper - Aluminum - Black
- Shop: RV Interior Lighting
- Video: A Closer Look at the Westin EXP Truck Topper
- Search Results: 31705
- Shop: Truck Topper
- Shop: Gustafson 12V RV Vanity Light w/ Light Shades - 13" Long - White Glass - Satin Nickel
- Shop: Gustafson 12V RV Vanity Light w/ Light Shades - 18" Long - White Glass - Satin Nickel
- Shop: Vehicle Sway Bars
- Shop: Brake Controller
- Shop: Towing Mirrors
- Shop: Tekonsha Prodigy RF Wireless Brake Controller - Trailer Mount w Remote - 1 to 3 Axles - Proportional
- Shop: Hellwig Adjustable Rear Anti-Sway Bar - 1" Diameter
- Video: Ultimate Overview of the 921/906 LED Light Bulb
- Q&A: Lower Power Drawing Light Bulbs for Gustafson RV Vanity Light # 277-000322
- Q&A: What is Difference Between 912 and 921 Bulbs
- Shop: Vehicle Lights
- Shop: Gustafson 12V RV LED Vanity Light - 18-1/2" Long - White Glass - Satin Nickel
- Shop: 921/906 LED Light Bulb - Wedge Base - 360 Degree - 230 Lumens - Warm White - Qty 2
- Search Results: 3317404000
- Q&A: Does Trailer Tire Size 225/75-15 Fit Rim Widths of 5 and 6 inches
- Search Results: lippert 706081
- Video: Hands-On with the Replacement Black Handle for Ram Sidewind Jacks