85604121 Genuine GM Headlamp Assembly For GMC Sierra 1500 2.7L 5.3L

85604121 Genuine GM Headlamp Assembly For GMC Sierra 1500 2.7L 5.3L

Name: 85604121 Genuine GM Headlamp Assembly For GMC Sierra 1500 2.7L 5.3L
Brand: GM
SKU: 85604121
Price: 1289.00 USD
Availability: InStock

P/N: 85604121 Manufactured by: GM

$1,289.00 - $1,289.00

$1,289.00

$1,289.00 - $1,289.00

$1,289.00

3 in Stock

Condition: New

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Description

The 85604121 headlamp assembly is a GM factory front lighting unit designed for 2023–2025 GMC Sierra 1500 models listed below. It provides proper forward illumination and integrates with the original mounting points and vehicle wiring on the driver side.

Vehicle Compatibility

Year	Vehicle	Engine	Trims
2025	GMC Sierra 1500	2.7L L4 - Gas; 3.0L L6 - Diesel; 5.3L V8 - Flex; 5.3L V8 - Gas	Elevation, Pro, SLE
2024	GMC Sierra 1500	2.7L L4 - Gas; 3.0L L6 - Diesel; 5.3L V8 - Flex; 5.3L V8 - Gas	Elevation, Pro, SLE
2023	GMC Sierra 1500	2.7L L4 - Gas; 3.0L L6 - Diesel; 5.3L V8 - Flex; 5.3L V8 - Gas	Elevation, Pro, SLE

General Specifications

Condition	New
Part Number	85604121
Brand	GM
Part Type	Headlamp Assembly, Front
Years	2023–2025
Position	Front Driver Side, Left
Weight	37.27 Ib

Product Features

The 85604121 headlamp assembly is built to match factory performance and installation requirements:

Designed for front driver side installation
Matches OEM housing and mounting configuration
Maintains factory beam alignment specifications
Connects to original electrical harness
Built to factory structural specifications
Supports proper forward illumination performance

Application Notes

The 85604121 headlamp assembly is intended for 2023–2025 GMC Sierra 1500 models equipped with the engines listed above. Proper installation ensures correct beam aim and lighting system operation.

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