Your cart is empty
Browse our catalog to find the parts you need.
These images are illustrative and may not match the product exactly. Always verify by part number — or confirm instantly with the assistant using a photo or VIN.

Optronics · Electrical & Lighting
STL75AB
In stock · ships from Knoxville
This amber LED mid-ship turn signal and side marker light is a 6-1/2 inch oval lamp with nine diodes, designed for recess mounting on trailers and commercial vehicles under 30 feet in length.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 1 applications
Add your truck to see whether it's one of them
All confirmed applications for this part number.
Other applications
Other applications
Requires mounting grommet (A70GB) and PL-3 pigtail (A45PB) for installation.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 9 of 9.
Different year, make, or config? Get a confirmation against your truck in under a minute.
It serves both as a turn indicator and a side clearance marker, meeting FMVSS 108 requirements with sonically sealed, waterproof construction. Replace the light when it becomes damaged, moisture intrudes, or the LEDs fail, using a PL-3 pigtail and grommet for installation.
Part Number: STL75AB
LED MIDTURN LIGHT
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting