Diode Dynamics 3156/3157 HP11 Backup 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.
The HP11 is a direct-swap LED for the 3156/3157-size backup bulb in a long list of Chevy, GMC, Ford, Dodge and Jeep trucks. It turns a dim incandescent reverse light into a crisp 6000K white with 310 lumens per bulb, and it plugs into the factory socket.
Why it works
- Built with four COB-style LED strips around the body plus a single high-power chip on the tip, all mounted to a full metal heatsink.
- Rated at 310 measured lumens per bulb with an omnidirectional, 270-degree beam, so the factory housing lights up the way it was designed to.
- It is fully nonpolar and CK compatible, so it works in both standard and CK-style sockets.
- Plug and play: it uses the OEM-size base, so it drops into the factory socket with no splicing.
Options
Sold as a single or a pair in Cool White (6000K). Most trucks have two reverse lamps, so the pair is the usual buy; a single covers a lone cargo or trunk light or a replacement. For reference, the 3156/3157 backup lineup here runs HP48 (250 lumens), HP11 (310 lumens) and XPR (800 lumens).
Fitment
Diode Dynamics lists the 3156/3157 size for the trucks and SUVs below. Many of them use this size in more than one lamp, so confirm which position you are replacing before you order.
- Chevrolet: Colorado 2004-2012; Silverado 1999-2013; Silverado 2500/3500 2014
- Dodge: Ram 1994-2006
- Ford: Bronco 1992-1996; F-150 1997-2008, 2015-2023; Maverick 2022-2026; Ranger 1998-2011; Super Duty 1999-2006
- GMC: Canyon 2004-2012; Sierra 1500 1999-2013; Sierra 2500 2000-2014; Sierra 3500 2001-2014
- Jeep: Wrangler 2007-2017
Specs at a glance
- Part numbers: DD0052S, DD0052P
- Bulb size: 3156/3157 (3157)
- Output: 310 measured lumens per bulb
- Beam: Omnidirectional (270 degrees)
- Power: 3.14 W, 0.238 A at 13.2V
- Operating voltage: 9-16V
- Polarity: Full Nonpolar (Standard and CK compatible)
- Operating temperature: -40C to 85C (-40F to 185F)
- Connector: OEM-size plug and play
- Colors: Cool White (6000K)
Warranty
Diode Dynamics backs this part with a 3-year limited replacement warranty. Full terms are on our Diode Dynamics warranty page, and the rest of the lineup lives in the Diode Dynamics collection.
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 3156/3157 HP11 Backup LED Bulbs FAQs
Will this fit a 3156 socket as well as a 3157?
Diode Dynamics builds it as a direct replacement for factory 3156/3157-size backup (reverse) light bulbs, so it plugs into either factory socket in that family.
Should I buy a single or a pair?
Most trucks have two reverse lamps, so the pair keeps both sides matched. Grab a single for a cargo or trunk light, or to replace one bulb.
Does polarity matter when I install it?
No. It is fully nonpolar and works in both standard and CK sockets, so it lights regardless of which way it seats.
Is it a direct plug-in or do I need adapters?
It uses the OEM-size base and plugs straight into the factory socket. No adapters or splicing needed.
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