Peterbilt 372 Turn Signal Bulb Size

The Peterbilt 372 front and rear turn signal bulbs use either 198 or 2057 size specifications. The replacement chart covers vehicle production spanning 1989 to 1995 with corresponding bulb size data.

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

Front Turn Signal

YearsBulb Size
1995198
2057 (With 4 Round Headlamps)
1992-19942057
19912057
198 (With 4 Round Headlamps)
1989-19902057

Rear Turn Signal

YearsBulb Size
19952057
19942057
198 (With 4 Round Headlamps)
19932057
198 (With Halogen Capsule Headlamps)
19922057
1991198
2057 (With 4 Rectangular Headlamps)
19902057
19892057
198 (With 4 Rectangular Headlamps)

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W.198
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Brighter variant of 1157. 12V, 26.9W/8W.2057

Other Locations