Sylvania 192.PK4 Courtesy Light Bulb - Front

Sylvania Basic Courtesy Light Bulb for Interior Use

The SYLVANIA Basic 4 Pack courtesy light bulb is a direct replacement for interior and auxiliary lighting points on a wide range of vehicles. It is built for standard performance in applications such as dome lights, trunk lights, and reverse or backup lighting where the correct bulb size matters.

Part number 192.PK4 is listed across many fitments, including Toyota Tacoma, Jeep Grand Cherokee, Chevrolet Silverado, and Dodge Ram applications.

Key Features

• SYLVANIA Basic miniature bulb for interior and auxiliary lighting
• Direct replacement format for common courtesy light applications
• Suitable for dome, trunk, backup/reverse, and similar lighting locations
• Built for durability and lower maintenance needs
• Designed with safety-focused lighting performance in mind

Detailed Description

SYLVANIA Basic miniature bulbs provide standard lighting performance for vehicle interior and exterior auxiliary circuits. This courtesy light bulb is used in a broad range of passenger cars, SUVs, and trucks, including 2001-2006 Toyota Corolla, 2000-2005 Chevrolet Impala, 2003-2007 Dodge Ram 1500, and 2007-2010 Chevrolet Silverado HD models. The 192.PK4 part number is also referenced for vehicles such as Jeep Liberty, Chrysler PT Cruiser, and Ford Mustang, depending on the exact application listed.

This SYLVANIA Basic 4 Pack is a practical OE-style replacement choice when restoring factory lighting output in the cabin, cargo area, or other auxiliary lamp locations. This part cross-references Sylvania (e.g., 192.PK4) for the same application.

Common Uses

• Dim or failed dome light output
• Burned-out trunk or cargo area lighting
• Reverse or backup lamp replacement on listed vehicles
• Interior courtesy light service after bulb failure
• Restoring factory-style auxiliary lighting function

Installation Notes and Tips

Verify the bulb number and socket style against the vehicle’s original part before installation. Fitment varies by year, make, model, and in some cases by trim or lighting package, so confirm the exact application for your vehicle. Handle the bulb carefully during installation and avoid touching the glass with bare hands.

Quality Assurance

SYLVANIA Basic bulbs are engineered as direct replacement lighting components for everyday vehicle service. They are designed for durability and reduced maintenance in standard automotive lighting applications.