Will This Custom LED Part Fit My Motorcycle? Using the Compatibility Finder
The fastest way to find out if a Custom LED flasher relay fits your bike is the Compatibility Finder. Enter your make, model, and year, or type in your OEM flasher-relay part number, and it routes you to the exact relay that plugs into your motorcycle. Tail lights work a little differently: each one is its own product with its own fitment list, so you confirm those on the product page. If you are not sure about either one, send us a photo and we will confirm before you order.
This guide explains which tool to use for which part, how the finder decides, and what to do when your exact model and year is not listed.
Which tool fits which part?
Custom LED makes two kinds of parts that need fitment, and each has its own way to check.
Flasher relays use the Compatibility Finder. Every motorcycle uses an OEM flasher relay (or a combination relay that includes the flasher function), and the connector that plugs into it is different from brand to brand. The finder exists because that connector is what matters. You give it your make, model, and year, or the OEM relay part number printed on your stock unit, and it matches you to the relay variant with the right plug. Browse the full family on the Electronic LED Flasher Relays collection.
Tail lights use per-product fitment lists. Our integrated LED tail lights are built model by model, so fitment lives on each individual product page rather than in a single finder. Find your bike in the Integrated LED Tail Lights collection and the product itself tells you the exact years and variants it covers.
How does the relay finder decide?
It comes down to the OEM connector. The electronics inside our relays do the same job on every bike: maintain the normal DOT blink rate of 60 to 120 flashes per minute so your LED turn signals do not hyperflash or fail to blink. What changes from one motorcycle to the next is the plug, and that is exactly what the finder resolves. It reads your make, model, and year and selects the variant whose connector matches your harness, so the relay drops in without any wiring work.
Here is the relay family the finder picks from. Differently shaped connectors mean a different part for the same job.
ELFR-1 Electronic LED Flasher Relay with OEM Connector. The most common variant the finder routes to. It maintains the OEM blinker flash rate for a wide range of LED and non-LED blinkers and offers plug and play connectivity with compatible 2-wire and 3-wire OEM flasher-relay connectors.
ELFR-1-QD Electronic LED Flasher Relay with Quick Disconnects. The same electronics as the ELFR-1, but with male quick-disconnect terminals on the wires instead of an OEM plug. They plug directly into some compatible OEM flasher-relay connectors and are useful for custom and hard-wire applications.
ELFR-1-H Electronic LED Flasher Relay, 4-Pin Honda. The variant for Honda's 4-pin OEM flasher-relay connector, found on bikes like the CB500F and CB500X, CB650F, CBR500R, CBR650F, CMX300 and CMX500 Rebel, NC700 and NC750, CTX700, and VFR1200F.
ELFR-1-U Electronic LED Flasher Relay, 7-Pin Suzuki. The variant for Suzuki's 7-pin combination relay, used on models like the Bandit, GSX-R, Hayabusa, SV650, V-Strom, Boulevard, Burgman, DR-Z400, and Katana. It plugs into the compatible Suzuki OEM combination relay socket, and it is the clearest example of why the finder exists: same job, completely different connector.
ELFR-P Programmable Electronic LED Flasher Relay with OEM Connector. The programmable specialty version for motorcycles that the finder routes to the ELFR-1. It offers 10 user-selectable blinker flash patterns ranging from a DOT-style flash to intense strobe modulations, and it maintains the pattern you select.
How does tail-light fitment work?
Tail lights are matched per product, and one product often covers many model years. Our integrated LED tail light is a direct replacement for the OEM housing, so every model and year that shares that housing is covered by one product.
The 2015 to 2026 Yamaha YZF-R1 is a clean example. One product, the Blaster-X Integrated LED Tail Light, fits 2015 to 2026 Yamaha YZF-R1, R1S, and R1M because they all share the same OEM tail-light housing.
2015 to 2026 Yamaha YZF-R1 Blaster-X Integrated LED Tail Light. A Complete Plug and Play Ultra-Bright Integrated LED tail light with High Quality clear or smoked lens and OEM fitment. No cutting, splicing, or bodywork modifications are required, and it produces no bulb-out warnings, diagnostic errors, or fast blink rates. No external load equalizers or flasher relays are necessary for proper operation with the Blaster-X tail light.
Because fitment is grouped by housing, the way to confirm a tail light is to open the product page for your model and read its fitment line. If your bike is on the list, it fits.
Things that look like a fitment problem but are not
Two situations come up often, and neither one means the part will not work.
Your bike is a brand-new model year. When a manufacturer carries the same OEM part forward into a new model year, the existing product fits. The R1 tail light extending to the 2026 model year on a carried-over housing is exactly that situation. If your year is the newest one and the OEM part did not change, it should fit, and our return and satisfaction policy covers you if anything is off.
Your exact model and year is not listed. If you search the finder or the tail-light collection and your specific model and year does not come up, we most likely do not make that part for your bike yet. The finder and the per-product fitment lists are the authoritative source, so if your bike is not listed, do not assume a near match will plug in. Check with us before ordering.
How to check your bike, step by step
For a flasher relay:
- Open the Compatibility Finder.
- Enter your make, model, and year, or type in the OEM flasher-relay part number from your stock unit.
- The finder routes you to the matching relay variant. Add it to your cart.
For a tail light:
- Open the Integrated LED Tail Lights collection.
- Find your model and open its product page.
- Read the fitment line. If your year and variant are listed, it fits.
If your make, model, and year does not return a result on either path, contact us before ordering rather than guessing at a near match.
Still not sure?
If the finder or the product page does not give you a clear answer, contact Custom LED and send us a photo of your OEM flasher-relay connector or your tail-light housing. We will confirm the right part before you order so you get a clean plug-and-play fit the first time.
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