Dorman 1591000 Headlight Assembly - Left

Brand Dorman 1591000
Position Left
Bulb Quantity 2
Bulb Technology Halogen
Bulbs Included Yes
Housing Material Plastic
Lens Color Clear
Lens Material Plastic
Package Contents 1 Headlight Assembly
Street Legal Yes
Voltage 12.8
Fits Cadillac · 3 vehicles

OE-style replacement. Reverse-engineered to match the original headlight assembly.

Clear lens. Helps deliver a clean, factory-like appearance.

Halogen bulbs included. Ready for a straightforward replacement.

Cross-references Eagle Eye GM194-B001L, TYC 20-5174-00 and 16525275 for the same application. See all 3.

$181.89Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $181.89
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Left Headlight for DeVille

This Dorman headlight assembly is a direct replacement for the left side on 1997-1999 Cadillac DeVille models. It is reverse-engineered to match the original headlight’s fit, appearance, and function while helping reduce dealership replacement costs. Part number 1591000 is built for drivers who need a street-legal halogen headlight with clear lens styling.

Key Features

  • Fits 1997-1999 Cadillac DeVille, left
  • OE-style replacement headlight assembly for factory-like fit and appearance
  • Halogen bulb technology with bulbs included
  • Clear lens and plastic housing construction
  • Street legal for road use
  • 12.8-volt electrical specification
  • Direct replacement part number 1591000

Detailed Description

Dorman 1591000 is a replacement headlight assembly engineered for the left side of the Cadillac DeVille. It is designed to match the stock headlight on specific vehicles, making it a practical choice when restoring nighttime visibility and maintaining the original front-end look. The clear lens, plastic housing, and halogen bulb setup support a factory-style lighting solution for 1997-1999 Cadillac DeVille applications. This part cross-references TYC 20-5174-00 for the same application.

What This Headlight Helps Solve

  • Cracked or clouded headlight lens
  • Dim or uneven forward lighting
  • Water intrusion from a damaged housing
  • Failed original headlight assembly
  • Restoration needs for a 1997-1999 Cadillac DeVille left headlight

Installation Notes and Tips

Verify left-side fitment before ordering and compare the original connector, mounting points, and lamp layout to the replacement assembly. This headlight assembly is intended for 1997-1999 Cadillac DeVille, left applications only. Confirm bulb type and electrical requirements during installation to ensure proper operation after replacement.

Quality Assurance

Dorman reverse-engineers this replacement headlight to match the original equipment design on specific vehicles. Part number 1591000 is built as a direct-fit replacement for the Cadillac DeVille left headlight application listed above.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
1999CadillacDeVilleLeft—
1998CadillacDeVilleLeft—
1997CadillacDeVilleLeft—
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Eagle Eye — GM194-B001LTYC — 20-5174-0016525275