Dorman 42443 Headlight Bulb Cap - High Beam

Headlight Bulb Cap for Ford and Lincoln

The Dorman 42443 headlight bulb cap restores the seal at the rear of the headlamp assembly when the original cover is missing or damaged. Made from EPDM rubber in black, it helps keep dust and moisture out of halogen headlight housings on a wide range of Ford and Lincoln vehicles.

Use this replacement headlight bulb cap for OE-style fitment on applications such as Ford Escape, Ford F-150, Ford Explorer, and Lincoln Navigator. The Dorman 42443 is a direct-fit solution for maintaining headlamp protection and assembly integrity.

Key Features

• EPDM construction for durable sealing performance
• Black finish for a clean OE-style appearance
• Clip-on mounting method for specific applications
• Designed for halogen headlamp assemblies
• Helps seal out dust and moisture from the headlight housing
• Direct replacement for damaged or missing bulb caps

Detailed Description

Dorman 42443 is a replacement headlight bulb cap engineered to match the fit and function of the original part. It is made from EPDM material and shaped to restore the protective barrier at the rear of the headlight assembly, helping preserve the condition of the bulb area and surrounding components. This part is used on specific Ford and Lincoln models, including Ford Escape, Ford F-150, Ford Fusion, Ford Explorer, and Lincoln Navigator applications with halogen or HID headlamp configurations as listed in the fitment data. This part cross-references Ford OE number 4S4Z13N019AA for the same application.

What It Helps Fix

• Missing or cracked headlight bulb cap
• Dust entering the headlamp housing
• Moisture intrusion at the rear of the headlight assembly
• Loss of sealing integrity after bulb service
• Damaged OE-style headlamp cover on compatible Ford and Lincoln vehicles

Installation Notes and Tips

Verify headlamp type and vehicle application before installation. This cap uses a clip-on mounting method and is specific to listed fitments, including 2022-2023 Ford E-Transit, 2015-2022 Ford F-150 Level 4, 2011-2019 Ford Explorer, and 2003-2014 Lincoln Navigator high beam applications. Confirm the rear opening of the headlight assembly is clean and free of damage so the cap can seat properly.

Quality Assurance

Dorman replacement parts are built to match original fit and function using quality materials. The EPDM construction supports a secure seal for the headlight assembly, helping restore the protective barrier when the factory cap is no longer serviceable.