86541978 Genuine GM Front Headlamp Assembly For GMC Terrain 1.5L 1.6L 2.0L

86541978 Genuine GM Front Headlamp Assembly For GMC Terrain 1.5L 1.6L 2.0L

Name: 86541978 Genuine GM Front Headlamp Assembly For GMC Terrain 1.5L 1.6L 2.0L
Brand: GM
SKU: 86541978
Price: 1399.00 USD
Availability: InStock

P/N: 86541978 Manufactured by: GM

$1,399.00 - $1,399.00

$1,399.00

$1,399.00 - $1,399.00

$1,399.00

3 in Stock

Condition: New

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Description

The 86541978 front headlamp assembly is a Genuine GM lighting component designed for GMC Terrain models equipped with 1.5L, 1.6L diesel, or 2.0L engines. This factory headlamp assembly provides proper forward illumination and integrates with the original mounting points and electrical connectors.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2018–2021	GMC Terrain	1.5L L4, 1.6L L4 Diesel, 2.0L L4	SLE, SLT

General Specifications

Condition	New
Part Number	86541978
Brand	GM
Part Type	Front Headlamp Assembly
Years	2018–2021
Vehicle	GMC Terrain
Engine	1.5L L4, 1.6L L4 Diesel, 2.0L L4
Weight	8.60 lb

Product Features

The 86541978 front headlamp assembly is built to match factory performance and installation requirements:

Genuine GM headlamp assembly engineered for GMC Terrain models
Designed to integrate with the factory lighting and electrical system
Maintains correct beam alignment and forward illumination
Fits original mounting points without modification
Supports proper connection with factory wiring and lighting components
Manufactured to meet GM durability and lighting standards

Application Notes

The 86541978 headlamp assembly is intended for GMC Terrain vehicles equipped with the engines and trims listed above. It installs using the factory mounting locations and electrical connectors designed for the original lighting system.

Always verify part number, vehicle model year, engine configuration, and trim level before installation.