Sylvania H4701.BX Headlight Bulb - High Beam

Sylvania H4701.BX Halogen Headlight Bulb

The Sylvania H4701.BX is a 12.8V halogen headlight bulb built for high beam use in a wide range of older GM, Jeep, Pontiac, Buick, and Chrysler applications. It delivers brighter roadway illumination than Sylvania Basic bulbs while maintaining a street-legal, DOT-approved setup for everyday driving.

Key Features

• Halogen headlight bulb with clear glass construction
• 12.8V, 65W electrical rating for high beam service
• DOT approved and street legal
• Single-filament design for focused beam output
• G-2 base type for listed vehicle applications
• Average rated life: 150 hours
• Part number: H4701.BX

Product Details

Built under the SYLVANIA Basic Box line, this H4701.BX headlight bulb is aimed at drivers who need a direct-fit halogen replacement for high beam lighting. The Basic Box line focuses on straightforward OE-style lighting service, and this bulb is specified for vehicles such as the Pontiac Firebird, Chevrolet G20, GMC G1500, Jeep Wagoneer, and Buick Riviera in the fitments listed below. If you are searching for a Sylvania H4701.BX replacement bulb for a Pontiac Firebird high beam or a Chevrolet G20 high beam headlight bulb, this part matches the listed applications.

This part cross-references Sylvania (e.g., H4701.BX) for the same application.

Common Problems This Bulb Addresses

• Dim or weakened high beam output
• Burned-out halogen headlight bulb
• Uneven forward lighting on older sealed-beam or quad-headlight vehicles
• Failed inspection due to non-functioning high beam lighting
• Reduced nighttime visibility on roadways

Installation Notes and Fitment

Compatible With high beam applications only in the listed vehicles. Verify the bulb type, base style, and headlamp configuration before installation. Fits 1998-2002 Pontiac Firebird, high beam; Fits 1992-1996 Chevrolet G30, high beam, with Quad Headlights; Fits 1992-1996 GMC G3500, high beam, with Quad Headlights; Fits 1992-1995 Chevrolet G10, high beam, with Quad Headlights; Fits 1990-1995 Chevrolet G20, high beam, with Quad Headlights; Fits 1992-1995 GMC G1500, high beam, with Quad Headlights; Fits 1992-1995 GMC G2500, high beam, with Quad Headlights; Fits 1989-1994 Pontiac Sunbird, high beam, with Sealed Beam Headlights; Fits 1990-1993 Chrysler Imperial, high beam; Fits 1993 Chrysler New Yorker, high beam; Fits 1986-1992 Oldsmobile Toronado, high beam; Fits 1989-1991 Chevrolet Blazer, high beam, with Quad Headlights; Fits 1988-1991 Chevrolet C1500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 Chevrolet C2500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 Chevrolet C3500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 Chevrolet K1500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 Chevrolet K2500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 Chevrolet K3500, high beam, with 4 Rectangle Headlights; Fits 1989-1991 Chevrolet R1500 Suburban, high beam, with Quad Headlights; Fits 1989-1991 Chevrolet R2500 Suburban, high beam, with Quad Headlights; Fits 1989-1991 Chevrolet R3500, high beam, with 4 Rectangle Headlights; Fits 1989-1991 Chevrolet V1500 Suburban, high beam, with Quad Headlights; Fits 1989-1991 Chevrolet V2500 Suburban, high beam, with Quad Headlights; Fits 1989-1991 Chevrolet V3500, high beam, with 4 Rectangle Headlights; Fits 1990-1991 Geo Storm, high beam; Fits 1988-1991 GMC C1500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 GMC C2500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 GMC C3500, high beam, with 4 Rectangle Headlights; Fits 1989-1991 GMC Jimmy, high beam, with Quad Headlights; Fits 1988-1991 GMC K1500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 GMC K2500, high beam, with 4 Rectangle Headlights; Fits 1988-1991 GMC K3500, high beam, with 4 Rectangle Headlights; Fits 1989-1991 GMC R1500 Suburban, high beam, with Quad Headlights; Fits 1989-1991 GMC R2500 Suburban, high beam, with Quad Headlights; Fits 1988-1991 GMC R3500, high beam, with 4 Rectangle Headlights; Fits 1989-1991 GMC V1500 Suburban, high beam, with Quad Headlights; Fits 1989-1991 GMC V2500 Suburban, high beam, with Quad Headlights; Fits 1988-1991 GMC V3500, high beam, with 4 Rectangle Headlights; Fits 1985-1990 Jeep Wagoneer, high beam; Fits 1989 Buick Skyhawk, high beam; Fits 1989 Chevrolet R2500, high beam, with 4 Rectangle Headlights; Fits 1988-1989 GMC R2500, high beam, with 4 Rectangle Headlights; Fits 1988-1989 Isuzu Impulse, high beam; Fits 1986-1988 Buick Century, high beam; Fits 1988 Chevrolet R20, high beam, with 4 Rectangle Headlights; Fits 1988 Chevrolet R30, high beam, with 4 Rectangle Headlights; Fits 1988 Chevrolet V30, high beam, with 4 Rectangle Headlights; Fits 1986-1987 Buick Riviera, high beam.

Quality Assurance

Sylvania specifies this bulb as DOT approved and street legal for the listed applications. The halogen design, clear glass construction, and defined electrical ratings support consistent replacement service in vehicles that use the H4701 bulb type.