Hella 921LL Back Up Light Bulb

Hella 921LL Back Up Light Bulb

The Hella 921LL back up light bulb is a 12V halogen replacement built for clear rearward illumination and street-legal use. With a W2.1 x 9.5d socket, 16W output, and long-life trim, it is a practical choice for drivers replacing a reverse light bulb on a wide range of vehicles.

Use this bulb when you need dependable backup light performance for everyday driving, parking, and low-light maneuvering. The Hella 921LL is a direct-fit style replacement for many Acura, Honda Civic, Toyota Tacoma, Ford Transit Connect, and Chevrolet Silverado applications.

Key Features

• 12V halogen back up light bulb for exterior lighting applications
• Clear bulb color for focused rear visibility
• 16W rated power with 1.40A amperage rating
• Long-life trim level for extended service life
• W2.1 x 9.5d bulb socket type
• Street legal for road use
• Average rated life: 1000 hours

Detailed Description

Hella 921LL is engineered as a halogen back up light bulb with consistent output and OE-style fitment characteristics. The bulb uses a 12V electrical design, clear glass, and a single filament layout to deliver the rear lighting needed when reversing. For shoppers searching for a 921LL back up light bulb, Hella 921LL, or a halogen reverse light bulb replacement, this part matches the common socket and power requirements used across many late-model and earlier vehicles.

This part cross-references Philips (e.g., PHL921LLB2, PHL921LLCP) for the same application.

Used For

• Replacing a burned-out reverse light bulb
• Restoring backup lamp visibility when shifting into reverse
• Correcting dim or inconsistent rear lighting
• Addressing bulb failure from age or vibration
• Maintaining street-legal exterior lighting performance

Installation Notes and Tips

Verify the bulb socket type, wattage, and vehicle application before installation. This bulb uses a W2.1 x 9.5d socket and 12V halogen specification, so it should be matched to the original reverse lamp requirements. Assy/disassy by qualified personnel required. For best results, handle the bulb carefully and avoid touching the glass with bare hands.

Fits 2014-2022 Honda Civic, N/A; fits 2016-2022 Toyota Tacoma, N/A; fits 2019-2022 Ford Transit Connect, N/A; fits 2019-2022 Chevrolet Silverado 1500, N/A.

Quality Assurance

Hella supplies tested lighting components built for reliable road use and consistent performance. The 921LL back up light bulb is a street-legal halogen replacement designed to meet the lighting needs of compatible vehicles.