85121988 Genuine GM Headlamp Assembly For GMC Sierra 1500 3.0L 6.2L

Name: 85121988 Genuine GM Headlamp Assembly For GMC Sierra 1500 3.0L 6.2L
Brand: GM
SKU: 85121988
Price: 1178.00 USD
Availability: InStock

P/N: 85121988 Manufactured by: GM

$1,178.00 - $1,178.00

$1,178.00

$1,178.00 - $1,178.00

$1,178.00

1 in Stock

Condition: New

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Description

The 85121988 headlamp assembly is a GM factory-engineered lighting unit designed for GMC Sierra 1500 models to maintain proper forward visibility. It provides consistent beam projection, correct mounting alignment, and dependable integration with the original electrical system.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2026	GMC Sierra 1500	3.0L L6 Diesel, 6.2L V8 Gas	AT4, AT4X
2025	GMC Sierra 1500	3.0L L6 Diesel, 6.2L V8 Gas	AT4, AT4X
2024	GMC Sierra 1500	3.0L L6 Diesel, 6.2L V8 Gas	AT4, AT4X
2023	GMC Sierra 1500	3.0L L6 Diesel, 6.2L V8 Gas	AT4, AT4X

General Specifications

Condition	New
Part Number	85121988
Brand	GM
Part Type	Headlamp Assembly
Years	2023-2026
Position	Left
Generation	2022–2026 Redesign
Trim Compatibility	AT4 / AT4X
Weight	14.45 lb

Product Features

The 85121988 headlamp assembly is built to match factory performance and installation requirements:

Engineered for GMC Sierra 1500 OEM lighting configuration
Maintains accurate beam focus and light distribution
Interfaces with original vehicle electrical connectors
Manufactured to OEM housing specifications for proper fit
Installs using factory mounting points without modification
Delivers consistent illumination during standard vehicle operation

Application Notes

The 85121988 is intended for GMC Sierra 1500 vehicles equipped with the factory headlamp system listed above. It installs using original mounting locations and connects directly to the factory wiring harness.

Always verify part number, vehicle year, and lighting configuration before installation.