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Description
Diode Dynamics 3157 LED Bulb HP24 Dual-Color LED - Cool - White Set of 4FeaturesModern LED appearance with instant on and off. Compatible with GMC Sierra 2500 3500 front turn signal bulbs. Plug and play no modification with factory 3157 bulb size. Multiple brightness levels available. OverviewLED Indicators. The factory incandescent turn signals on your vehicle illuminate in a slow glow taking a moment to turn off and on. With replacement LED bulbs you can immediately update your vehicle with the instant on off blinking
FeaturesModern LED appearance with instant on and off.Compatible with GMC Sierra 2500/3500 front turn signal bulbs.Plug and play no modification with factory 3157 bulb size.Multiple brightness levels available.OverviewLED Indicators. The factory incandescent turn signals on your vehicle illuminate in a slow glow taking a moment to turn off and on. With replacement LED bulbs you can immediately update your vehicle with the instant on-off blinking of modern LEDs. This instant activation adds a modern and distinct look to your vehicle.Brightness. Your vehicle uses a 3157 dual-filament bulb. They light up with low power as parking lights then they get brighter when the turn signal or hazards are activated. Diode Dynamics bulbs are designed to match the factory brightness ratio so there is enough distinction between low and high brightness levels. As with all Diode Dynamics LED bulbs these turn signal bulbs are rated with accurate measured lumen figures not calculations or guesses.Switchback. These bulbs illuminate in a bright white for the low power setting for your running/parking light then switch to intense amber when the turn signals are activated. When the turn signal is switched off they return to the original white output. Please note: in order to properly see the white you must have clear reflectors/lenses over the turn signal bulb.Reduced Load. If you experience hyperblinking the most tried-and-true method to correct this is to add resistors (sold separately). Since a 6-ohm resistor uses about the same power as a standard turn signal bulb these can be used on any vehicle but does require tapping factory signals. One resistor is needed to replace each turn signal bulb.Installation Instructions
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.9 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
The fit is perfect and is a sold mounting system
Custom fit for 2022 Tacoma, fit exactly. Very sturdy mount and took seconds to install. All metal with the exception of a adjustment knob. Quality hardware. More expensive than a lot of mounts but most are cheap plastic and are not nearly as solid and sturdy as the Offroam.
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Reviewed in the United States on October 15, 2025
★★★★★ 5
FINALLY a decent phone mount!!!
I’ve tried about 5 different phone mounts in my 2018 Tacoma and ended up throwing them all away. They’re either too bulky, too weak to hold the phone, awkward or just won’t stay in place. I won’t install a holder that requires adhesive or screws into the dash (or anywhere) in my truck. This holder is the answer. Fits perfectly, doesn’t damage your vehicle. Holds the phone really solidly. This is a very sturdy mount.
It’s a bit pricy in comparison to other phone mounts out there. IMO, it’s worth every penny. Materials are far superior to your typical mount, which I’m sure drives up the manufacturing costs. Again, worth every penny. Also, it’s a small business based in the US. Love supporting our small businesses.
GREAT MOUNT!!!
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Reviewed in the United States on November 11, 2022
★★★★★ 5
This is it
For the longest time I’ve STRUGGLED with finding a mount the works in my Tacoma. I don’t do off reading but every mount I use just can’t hang!! I got this and immediately impressed with the build quality. It’s entirely metal and can tell it’s sturdy. It took me 1 minute to install and the give you the one tool you need to install. I have an iPhone 13 Pro Max that baby isn’t going anywhere. You can adjust it with out unscrewing anything and it stays put. If you have a Tacoma stop wasting money on cheap mounts this is the last one you need I promise you
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Reviewed in the United States on June 29, 2024
★★★★★ 5
The only phone mount for a taco
This is a really quality product. So quality that I wish they made this for some of my other cars, I don't ever wanna use another phone holder. I was a bit skeptical on the longevity of the spring that holds it open, but a few months later and it feels just as sturdy as new. Fit is immaculate, the phone stays put. Worth the price. You will see when you see the machine finish on this product.
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Reviewed in the United States on March 25, 2025
★★★★★ 5
Fantastic Mount especially on rough Roads
Robust and discretely positioned mount. This mount is the real deal. It is by far the highest quality most stable mount that I've ever had in my Tacoma pickup. I also really like that it's positioned closer to the steering wheel in instead of in the windshield, making it easier to view. Very highly recommended!!
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Reviewed in the United States on January 27, 2026
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