Chevrolet Chevette Dome Light Bulb Size

The Chevrolet Chevette dome light requires a 561 bulb size for proper illumination within the interior cabin area. Available data covers the specific range from 1976 through 1987 for the specified vehicle.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Type	Shop
1976-1987	561	Check Price

Bulb Specifications

Description	Type	Shop
ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W.	561	Check Price

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Additional Notes

The Chevrolet Chevette uses the 561 bulb for the dome light across all listed model years, spanning 1976-1987.
The 561 is an ANSI-standardized bulb, meaning its physical and electrical specifications are defined by a recognized North American standards body, ensuring consistency across manufacturers.
The 561 is a festoon-type bulb, which is a cylindrical lamp that makes contact at both ends rather than through a base socket. This design requires a spring-loaded or clip-style holder in the fixture.
The 561 bulb has a 44mm length, which is the critical fitment factor for festoon bulbs, as holders are sized to match specific lengths.
Electrical ratings for the 561 are 12 volts and 12 watts, consistent with standard automotive electrical systems.
The end-cap contact design of the 561 means the bulb is not interchangeable with festoon bulbs that use different contact styles, such as those with metal bands along the body.
The ANSI standard designation applies to both the United States and Canada, indicating the 561 specification is recognized across both markets.
Because the 561 is a festoon bulb, length conformity is essential for proper seating in the fixture; a festoon bulb of a different length would not make reliable contact even if the voltage and wattage ratings matched.