Trusted by Riders for Nearly 25 Years.
Delivering premium lighting designed for maximum performance, simple installation, and years of dependable riding.
Trusted by Riders for Nearly 25 Years.
Delivering premium lighting designed for maximum performance, simple installation, and years of dependable riding.
Select your ride! Suggested fitment for U.S. models only.
TL-BASE-18ST-C
Fitment for U.S. models only, unless otherwise noted.
We're happy to help.
Direct replacement for OEM taillight baseplate 73381-12 and 67801288 on 2012-2016 Harley-Davidson® Dyna Switchback (FLD), 2018-2021 Heritage Classic (FLHC), 2018-2024 Heritage Classic 114 (FLHCS), 2018-2020 Low Rider (FXLR), 2020-2024 Low Rider S (FXLRS), 2022-2024 Low Rider ST (FXLRST) and 2022 Low Rider El Diablo (FXRST). Durable plastic baseplate in choice of gloss black or chrome finish with metal threaded inserts for secure mounting of any Custom Dynamics® or ProBEAM® taillight (sold separately).
2022-2024 Low Rider ST (FXLRST) and 2022 Low Rider El Diablo (FXRST) models require OEM rear turn signals to be removed for installation and may require additional taillight wire harness (sold separately).
Warning: Cancer & Reproductive Harm — www.p65warnings.ca.gov
2012-2016 Harley-Davidson® Dyna Switchback (FLD), 2018-2021 Heritage Classic (FLHC), 2018-2024 Heritage Classic 114 (FLHCS), 2018-2020 Low Rider (FXLR), 2020-2024 Low Rider S (FXLRS), 2022-2024 Low Rider ST (FXLRST) and 2022 Low Rider El Diablo (FXRST).

| Type | Year | Make | Model |
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The base plate replacement is required for proper installation of the Custom Dynamic Pro Beam tail light It comes in black or crone. I choose the black with a red lence tail light on a black [****] The plate is well made and fits perfectly.
Beside the back plate and the integrated Custom Dynamic tail light Pro Beam, make sure you purchase the proper tail light adapter for the bike.
All parts were purchased directly from Custom Dynamic, their customer service team was very helpful in answering all questions and also providing all the correct parts for a perfect insulation.
Custom look and it also eliminates the extra weight the stock tail light has which is cousin issues with the tail light mounting bracket.
The rear fender tail light braket is braking causing the tail light to fall off and also cracking the lower part of the rear fender on the low rider st new models. This is a HD factory design defect. They are not having a recall as of yet because they are going to need to replace all the rear fenders on new Low riders ST models.
The Custom Dynamic integrated tail light reduces the weight of the stock tail light putting less stress on the rear fender braket that holds the tail light
Perfect fit and insulation on all parts
Very good
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