The Morimoto LF557 XB Hybrid headlight pair combines LED low/high beams and white daytime running lights with the Yukon’s original turn-signal bulbs. It is listed for 2007–2014 GMC Yukon and Yukon XL with matching original equipment. Confirm the H13 headlight connection and DRL power wiring before installation.
Fitment and original equipment
- GMC Yukon and Yukon XL: 2007–2014, with matching original headlight mounting and wiring.
- For Yukon XL 2500, the exact dealer application ends at 2013. Do not infer a 2014 XL 2500 application from the generic Yukon XL wording.
- The installation description specifies the factory H13 three-pin headlight connection and reuse of the original turn-signal bulb.
- Left-hand-drive beam pattern. Morimoto designed and tested these housings on US-spec vehicles; confirm Canadian and other-market equipment and DRL operation.
Specifications and contents
| Part number | LF557 |
|---|---|
| Quantity | Left/right XB Hybrid headlight pair |
| Low / high beam | Kuria Optic Bi-LED projector |
| Daytime running light | White; supplied DRL power cable and fuse tap |
| Turn signal | Reuses the original turn-signal bulb |
| Headlight connection | Factory H13 three-pin, as specified in the installation description |
| Housing / lens | ABS plastic / UV-resistant polycarbonate |
| Manufacturer comparison | Low beam: 240 to 760 lux; high beam: 360 to 880 lux in Morimoto’s listed comparison. These are not lumen ratings. |
Before installation
Compare the original H13 connector and mounting, and check the turn-signal bulbs and sockets before transferring them. Connect the supplied DRL power cable and fuse tap as instructed. Test each lighting function and check final beam aim once the housings are fitted.
Warranty
Morimoto 5-year limited warranty. Manufacturer terms and exclusions apply.
Product questions and answers
Does the 2007–2014 range include every Yukon XL version?
The manufacturer lists Yukon and Yukon XL in that range, but the exact dealer application for Yukon XL 2500 ends at 2013. Check the specific model and original lighting equipment rather than extending the generic range to an unlisted XL2500 year.
Are the turn signals integrated sequential LEDs?
No. This Hybrid design reuses the original turn-signal bulbs. The LED low/high beams and white daytime running lights do not change that bulb-based turn-signal arrangement.
Which headlight connector does LF557 use?
Morimoto’s installation description specifies the factory H13 three-pin connection. Compare the actual connector and mounting before fitting; a year/model match alone does not confirm a truck with modified wiring.
Is the DRL powered only through the headlight plug?
Morimoto calls for a separate supplied cable and fuse tap to power the DRL. Follow that connection procedure and test DRL operation separately from the low and high beams.
Are the published 760 and 880 output figures lumens?
No. Those figures are lux readings in Morimoto’s listed low- and high-beam comparison. They describe illuminance in that test, not total lumen output or a guaranteed result at every point on the road.
Can I assume the same setup on a Canadian Yukon?
No. Morimoto identifies US-spec design and testing. Confirm the original H13 connection, turn-signal equipment and DRL operation on the Canadian vehicle before installation.
What is supplied and what should I keep from the original lamps?
The listing includes two headlight assemblies, the installation harness and fuse tap. The Hybrid design reuses the original turn-signal bulbs; check their condition and sockets before transferring them.
