Diode Dynamics H10 HP48 LED Bulbs
Warranty Information
Vendor warranty summary
Diode Dynamics Warranty
At a glance: 3 years on every Diode Dynamics product, 8 years on Stage Series and Elite Series lamps, and lifetime coverage on Stage Series pods, rock lights, SL2 bulbs and off-road brackets (orders from April 15, 2025)
This is Diode Dynamics' policy, not an NVMOS policy. We've summarized Diode Dynamics' published warranty in plain English. The manufacturer's official terms always govern and can change without notice. Last reviewed on nvmos.com: October 15, 2026.
Coverage by product
| Product or component | Coverage |
|---|---|
| All Diode Dynamics products: defects in materials and workmanship | 3 years |
| Stage Series and Elite Series lamp assemblies and lamp mounting brackets (functional failure; wiring, harnesses and lens covers excluded after year 3) | 8 years |
| Stage Series LED pods, Stage Series rock lights, SL2 and SL2 Pro LED bulbs, off-road mounting brackets, ordered on or after April 15, 2025 (functional failure after year 3) | Lifetime |
| Commercial or industrial use (construction, mining, fleet, agriculture and similar) | Capped at 8 years |
| Form Lighting products (a Diode Dynamics brand) | 2 years (details) |
What's covered
- Defective products are replaced with the same item, or a comparable one if it's been discontinued
- Diode Dynamics may replace just the failed component
- Finish defects caused by manufacturing, during the first 3 years
- Moisture beyond normal condensation that points to a seal failure, at Diode Dynamics' discretion
- Free tech support for the life of the product, even after the warranty ends
What's not covered
- Normal condensation, and paint or coating wear from regular use
- Installation or labor costs
- Improper installation or use, abuse, or opening, rewiring or repairing a product
- Swapping lenses on Stage Series lights voids the 3-year coverage (the 8-year coverage stays)
- Purchases from unauthorized sellers; coverage is for the original buyer and isn't transferable
How to make a Diode Dynamics claim
- Keep your proof of purchase; every claim needs it (gift recipients can register within 90 days of the original purchase instead)
- Request an RMA through Diode Dynamics' returns portal and work through diagnosis with their support team
- Nothing goes back without an RMA number; include photos for moisture claims
- For US customers, Diode Dynamics covers shipping on 3-year claims, plus return shipping for inspection on 8-year and lifetime claims
Diode Dynamics contact: Phone: (314) 205-3033 · Contact form · Monday to Friday, 10 AM to 5 PM Central · St. Charles, Missouri
Bought it from NVMOS? Start with us.
Have your order number and a few photos of the issue ready, then call real humans at (920) 249-7744 or send us a message. We'll tell you whether the claim goes through us or straight to Diode Dynamics, and help it along either way.
Disclaimer: The information on this page describes Diode Dynamics' own warranty policy. It is not a warranty offered by NVMOS (No Visible Means of Support LLC). Manufacturers update their terms at any time; we review these pages periodically, but the manufacturer's current official policy is the one that applies to your claim. Source: Diode Dynamics warranty. Last updated on nvmos.com: October 15, 2026. See our return policy for NVMOS's own terms.
About the brand
Diode Dynamics builds LED lighting in St. Charles, Missouri: Stage Series SS3 and SS5 pods, CrossLink light bars, ditch and fog kits, bulbs and accents. It designs, engineers and assembles as much as it can in the USA instead of rebranding imports, which shows in the warranty. NVMOS carries the Diode Dynamics off-road, vehicle lamp, bulb and accent lines for Toyota, Jeep, Ford, GM, Ram and Nissan trucks and SUVs,...
Based in: St. Charles, Missouri · Founded: 2006 · Made in: Designed and assembled in the USA · Quality: ISO 9001:2015 certified · Lead time: In-stock items usually leave Diode Dynamics the same business day; ask us about any item
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Warranty terms are set by Diode Dynamics, not NVMOS, and can change. Bought from us? Call (920) 249-7744 and we'll handle the claim with the brand.
Diode Dynamics H10 HP48 LED bulbs are a direct, plug-and-play replacement for the factory H10 bulb, giving you a modern LED look at 250 measured lumens per bulb. Diode Dynamics lists them for trucks and SUVs including the Chevrolet Colorado, Chevrolet Colorado ZR2 Bison, Chevrolet Silverado, Chevrolet Silverado Classic, Dodge Ram and more.
Why it works
- Swaps the yellowed incandescent glow for a sharper, more modern LED look.
- Plug and play — no modification needed.
- Nonpolar, so orientation in the socket does not matter.
Options
Cool White (6000K), sold as a pair.
Fitment
This bulb size shows up in different positions on different trucks, so confirm which light you are replacing. Diode Dynamics lists it for:
- Chevrolet Colorado 2004-2012
- Chevrolet Colorado ZR2 Bison 2019
- Chevrolet Silverado 2003-2006
- Chevrolet Silverado Classic 2007
- Dodge Ram 2010
- Dodge Ram Sport 2009
- Ford F-150 1999-2023
- Ford Ranger 2001-2011
- Ford Super Duty 1999-2022
- GMC Canyon 2004-2012
- GMC Sierra 1500 2003-2006
- GMC Sierra 1500 Classic 2007
- GMC Sierra 2500 2003-2006
- GMC Sierra 2500 Classic 2007
- GMC Sierra 3500 2003-2006
- Jeep Wrangler 2007-2009
- Ram 2011-2024
- Toyota Sequoia 2008-2019
- Toyota Tacoma 2005-2011
- Toyota Tundra 2007-2013
Cross-reference: Also covers H10 bulbs: 9005, HB3, 9005LL, 9011, 9040, H10, HIR1, 9145, PY20.
Specs at a glance
- Measured output: 250 lm
- Color temperature: 6000K
- Beam: omnidirectional (270 degrees)
- Power: 4.0 W
- Current: 0.33 A at 13.2V
- Operating voltage: 9-16V
- Polarity: nonpolar
- Operating temperature: -40°F to 185°F
- Bulb size: H10
Warranty
Diode Dynamics backs the H10 HP48 LED bulbs with a 3-year replacement limited warranty. Full terms are on our Diode Dynamics warranty page, and the rest of the brand lives in our Diode Dynamics lineup.
Questions before you order?
Fitment questions are easier to settle before the box ships. Call or text Carl & Anton at (920) 249-7744 or use the chat — real humans in Sheboygan, Wisconsin, not a call center.
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Specifications
Diode Dynamics H10 HP48 LED Bulbs FAQs
Will these fit my truck?
Diode Dynamics lists them for vehicles including the Chevrolet Colorado, Chevrolet Colorado ZR2 Bison, Chevrolet Silverado, Chevrolet Silverado Classic, Dodge Ram, Dodge Ram Sport and more. The H10 size can be used in more than one position, so confirm which light you are replacing. Call or text the real humans at NVMOS, (920) 249-7744.
Do I need to modify anything?
No. They are a direct replacement for the H10 bulb and plug straight into the factory socket.
Does it matter which way it goes in?
No. These are nonpolar, so they light in either orientation.
How many come in the package?
Two — this is sold as a pair.
What other bulb numbers does it replace?
Also covers H10 bulbs: 9005, HB3, 9005LL, 9011, 9040, H10, HIR1, 9145, PY20.
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