HomeElectrical, Lighting and Body > Lighting - ExteriorTYC 18-6258-00 Side Marker Light Assembly - Front Left
Part #: 18-6258-00

TYC 18-6258-00 Side Marker Light Assembly - Front Left

TYC Regular, Front Left
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$30.64Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦TYC Regular, Front Left
🚗Fitment: Buick, Encore GX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of TYC Regular Side Marker Light Assembly

The TYC Regular Side Marker Light Assembly 18-6258-00 is designed specifically for the front left position of Buick Encore GX models. This amber lens LED side marker light provides reliable exterior lighting to enhance vehicle visibility and safety.

  • Complete side marker light assembly with LED bulbs included
  • Amber lens made from durable PMA plastic
  • Housing constructed from impact-resistant PC plastic
  • Snap-in attachment method for straightforward installation
  • Compatible with Buick Encore GX front left side

Detailed Product Description

This TYC Regular side marker light assembly (part number 18-6258-00) features an amber lens crafted from PMA plastic, known for its clarity and resistance to weathering. The housing is made of PC plastic, providing a sturdy and durable frame to protect the LED bulb inside. The included LED bulb offers efficient illumination with longer service life compared to traditional bulbs. Designed for the front left side of the Buick Encore GX, this assembly ensures proper fitment and function. The snap-in attachment method allows for a secure and hassle-free installation without the need for additional hardware.

Applications and Problem Solving

  • Replaces damaged or cracked front left side marker light on Buick Encore GX
  • Restores amber side marker visibility for improved vehicle signaling
  • Upgrades from incandescent to LED lighting for enhanced durability
  • Addresses issues with dim or non-functioning side marker lights
  • Ensures compliance with exterior lighting regulations

Installation Notes and Tips

Installation of the TYC Regular 18-6258-00 side marker light assembly is simplified by the snap-in design, which eliminates the need for additional hardware. Carefully align the assembly with the mounting location on the front left side of the Buick Encore GX and press firmly until it snaps into place. Verify that the LED bulb is functioning before finalizing installation. No special tools are required, but gentle handling is recommended to avoid damage to the lens or housing.

Quality Assurance and Warranty

TYC Regular parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. This side marker light assembly includes the LED bulb and is built with quality materials such as PMA and PC plastics for long-lasting use. While specific warranty details are not provided here, TYC products typically come with a limited warranty against defects in materials and workmanship.

About the TYC Regular Product Line

The TYC Regular product line offers dependable replacement lighting components designed to match original equipment specifications. This line focuses on providing complete assemblies with included bulbs, using quality materials like PMA and PC plastics for lens and housing. The TYC Regular side marker light assembly 18-6258-00 exemplifies this approach by delivering a ready-to-install, OEM-quality lighting solution for the Buick Encore GX.

BrandTYC
Part Number18-6258-00
PositionTYC Regular, Front Left
Bulbs IncludedYes
Lens ColorAmber
Bulb TypeLed
Lens MaterialPma plastic
Housing MaterialPc plastic
Attachment MethodSnap in
Components IncludedComplete assembly
Front Side Marker Light Bulb IncludedYes
Front Side Marker Light Bulb TypeLed
Hardware IncludedNo
Other Side18-6257-00
PositionFront left

This part fits 6 vehicles. Search below:

YearMakeModelSubmodelBody TypePositionNotes
2025BuickEncore GXAvenirSport UtilityFront LeftTYC Regular
2024BuickEncore GXSport TouringSport UtilityFront LeftTYC Regular
2023BuickEncore GXPreferredSport UtilityFront LeftTYC Regular
2022BuickEncore GXEssenceSport UtilityFront LeftTYC Regular
2021BuickEncore GXPreferredSport UtilityFront LeftTYC Regular
2020BuickEncore GXSelectSport UtilityFront LeftTYC Regular

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

42716025GM2550209

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.