Peterbilt 375 Turn Signal Bulb Size

The Peterbilt 375 front and rear turn signal bulbs utilize 198 and 2057 sizes. A replacement chart documents bulb specifications across the 1987 to 1996 production range.

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
1996198
2057 (With Halogen Capsule Headlamps)
19952057
19942057
198 (With Halogen Capsule Headlamps)
1993198
2057 (With 4 Round Headlamps)
1991-19922057
198 (With 4 Round Headlamps)
19902057
19892057
198 (With 4 Round Headlamps)
1988198
2057 (With 4 Rectangular Headlamps)
19872057
198 (With Halogen Capsule Headlamps)

Rear Turn Signal

YearsBulb Size
1995-19962057
198 (With Halogen Capsule Headlamps)
1993-19942057
19922057
198 (With Halogen Capsule Headlamps)
19912057
19902057
198 (With Halogen Capsule Headlamps)
1989198
2057 (With Halogen Capsule Headlamps)
1987-19882057
198 (With Halogen Capsule 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

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