921 Incandescent Light Bulb - Wedge Base - 18 Watt - Soft White - Qty 2

Part Number: DI39VR

66 Reviews | 9 Questions

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Incandescent light bulbs replace 921 (T15) bulbs to provide 270 lumens of soft white light for RV, marine, and automotive applications. Miniature wedge base. 1-800-940-8924 to order Diamond accessories and parts part number DI39VR or order online at etrailer.com. Free expert support on all Diamond products. Great prices and Fastest Shipping for 921 Incandescent Light Bulb - Wedge Base - 18 Watt - Soft White - Qty 2. Accessories and Parts reviews from real customers.

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Diamond Accessories and Parts - DI39VR

Incandescent light bulbs replace 921 (T15) bulbs to provide 270 lumens of soft white light for RV, marine, and automotive applications. Miniature wedge base.

Features:

Incandescent bulbs replace 921 (T15) light bulbs to provide soft white lighting
- Great for backup, brake, center high mount stop light (CHMSL), courtesy, dome, fog, trunk, and turn signal light applications
Soft white color temperature produces a yellowish, white light
Wedge base mounts into a compatible fixture

Specs:

Quantity: 2 bulbs
Light output: 270 raw lumens
Bulb size: 1-7/8" diameter
Bulb type: 921
Bulb size: T-15
Base type: wedge
Light type: soft white
Color temperature: 2,700 K
Wattage: 18 watts
Candela: 21.47
1-Year limited warranty

DG71211VP Diamond Group Replacement 921 Incandescent T15 Light Bulbs - Wedge Base - Warm White - 12V - 18 Watt - 2 Pack

Customer Satisfaction Score:

99% were satisfied with this product

1% of customers were not satisfied

etrailer mistake
Wrong item was ordered

1% of customers were not satisfied

etrailer mistake
Wrong item was ordered

4.6

66 reviews

5 Stars		(51)
4 Stars		(9)
3 Stars		(3)
2 Stars		(1)
1 Star		(2)

by: Sgt. Bob 05/31/2026

Not much to say about bulbs. However, I bought these for the two-bulb lamp above the dining table. I had put in led bulbs, but they were too bright for dining.

by: Charles 02/05/2023

Needed to replace an obsolete bulb in my RV bathroom vanity. These bulbs worked perfectly and actually provided better lighting.

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by: John 03/17/2026

Excellent seller and Excellent items

by: Carl 04/01/2024

Shipped through US Postal Service and a bulb was crushed. Sad

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by: Michele 01/11/2021

Customer service was great. Took 8 days, 6 if you take out the weekend. Either I am too weak or the connector is just very tight, but having a hard time getting the bulb to sit all the way in. Afraid of I push any harder the bulb will break. The bulb works when turn on though.

by: James 04/19/2021

Was hard to find these bulbs. I feel lucky to come across e-trailer to get them.

James One Year Later

4/20/2022

Works great!

by: William 12/18/2023 One Year Later

They are light bulbs. I needed them and wasn't finding them locally so I order them. What else can I say?

by: Jerry 01/08/2022

So far so good. bulbs serve the purpose and meet product description. Don't know how long they last. 4 star becuase made in PRChina - Would gladly pay a little more for made in USA but had a real hard time finding that.

by: Thomas E 05/29/2020

Bulbs are bulbs and they worked. The replacement vent dome fit perfectly. Thanks.

by: Bonnie 04/06/2024

These lights didn’t fit like the one that came out of it. Don’t push in all the way. It’s like the glass is thicker.

Jenny N.

4/10/2024

I have heard of this before with these replacement bulbs. There is variances in how thick the base will be. Please let me know if they are not lighting up for you.

by: Linda 09/17/2021

Great to be able to get just what I needed, easily, quickly, inexpensively.

by: Milinda 02/12/2024

Great! I have ordered from you all a few times and each time the items arrive quickly and work great! Thanks so much!

by: Kathleen 09/09/2023

They fill the bill. Just what I needed. The service was great and they were delivered quickly. Thank you for being there to help.

by: James 09/23/2020

Thanks for the quick friendly service. The bulbs fit just find. I was surprised that they arrived so quickly.

by: Gregory 10/21/2026

by: Jim 07/12/2021

Great service... Thank-you

by: Phillip 08/03/2021

They light up the stove

by: James 07/06/2021

Always great service. Thank you.

by: John 05/25/2026

by: Donna 12/08/2025

by: Jesse 02/19/2022

Fit like a glove

by: James 07/05/2026

by: Wanda 11/15/2021

Exactly what we needed.

by: Kirby 05/18/2024 One Year Later

by: Mark 08/04/2026

true

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Does etrailer Carry Replacement for Heng 12V JRP1007B Range Hood Bulb
Hey Kristin; the Heng 12V JRP1007B Range Hood Bulb is a wedge type bulb. Based on the length it looks like the bulb size is a T-15 so you can use the # DI39VR you were looking at as a replacement. If you need anything else feel free to reach out in the comments below.
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Determining Correct Replacement Light Bulb With Wedge Base For Light In 1995 Trailer
Thanks for the pictures! Based on the pictures you provided your light uses either the 921 Incandescent Light Bulb # DI39VR or the 906 # DI99VR. To be sure of which light will fit you will need to find the brand and model number of your light. With that information we can cross reference your light and confirm the correct replacement for you. I included videos for both of the lights mentioned for you to take a look at.
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Available 921 Light Bulbs in Incandescent and LED Types
The Bargman Double Interior Light with Switch # 30-76-223 uses a 921 bulb and we offer many varieties of replacement bulb. For a basic incandescent 921 bulb you can use # DI39VR, but for high-efficiency when you're relying on the precious resource of trailer battery power you can swap out all the power-hungry incandescent bulbs to LEDs that use about 1/10th as much power. All LED type 921 replacement bulbs are shown on the page I linked for you. Some applications like the cooking area...
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Do the 921/906 LED Bulbs # DI64ZR Interfere with TV/Radio Reception?
While all LED bulbs technically emit small amounts of electronic signals that may interfere with TV or radio reception, the 921/906 LED Light Bulb # DI64ZR will not cause a noticeable difference in your signal. To give you an open option for an alternative, you can always go with incandescent bulbs. These do not emit any signal whatsoever. That is the 921 Incandescent Light Bulb - Wedge Base - 18 Watt # DI39VR or the softer 906 Incandescent Bulb - 5 Watts # DI99VR. I went ahead and attached...
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Replacement Bulbs for RV Euro Style Interior Double Ceiling Light Part # RVIL22
Yes, the replacement bulbs for the RV Euro Style Interior Double Ceiling Light with Built-In Switch part # RVIL22 are the Replacement Bulb921 Incandescent Light Bulb - Wedge Base - 18 Watt - Soft White # DI39VR.
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Difference Between Ventline # VA0415-00 and Optronics # A921B 921 Bulb
The Ventline, # VA0415-00, and the bulbs # DI39VR, are both the 921 series bulb just made by two different manufacturers.
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Replacement Backup Alarm Bulb for 2010 GMC Sierra 2500
According to my research your 2010 GMC Sierra 2500 uses a 921-type backup light bulb. We offer a standard incandescent bulb, part # DI39VR, as well as three brighter LED-types from Putco that you can see on the link provided. If you happen to be using the Hopkins Backup Alert # HM20101VA that you referenced this alarm uses a 3156-type bulb. We also offer LED-type replacements for this bulb, all shown on the linked page.
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Recommendation For LED RV Vanity Light That Is 18 Inches
Based on your information, I recommend the Gustafson RV Vanity Light, Item # 277-000322, which is 18 inches long x 2 inches wide. It uses three 921 bulbs that are not included like Item # DI39VR. For a more function over design option, I recommend the Opti-Brite LED Interior Light, Item # ILL08COB, which is 18 inches long x 5-1/2 inches wide. If these will not work for you, send me additional information or pictures and I will make a more specific recommendation.
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What is Replacement Bulb for Optronics Interior Light part # RVIL22
For the Optronics Interior Light part # RVIL22 the correct replacement bulb is a 921 bulb like the part # DI39VR.
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Info for this part was:

Installed by:

Jeff D

Installed by:

Bradley B

Video Edited:

Jacob T

Video by:

Dustin K

Updated by:

Wilson B

Edited by:

Daron K

Written by:

Brian T

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