Peterbilt 377 Turn Signal Bulb Size

The Peterbilt 377 front and rear turn signal bulbs utilize a 2057 or 198 size specification. The replacement chart covers vehicle production spanning 1987 to 2001.

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

Front Turn Signal

YearsBulb TypeShop
1995-20012057Check Price
19942057Check Price
198 (With Halogen Capsule Headlamps)Check Price
19932057Check Price
198 (With 4 Rectangular Headlamps)Check Price
19922057Check Price
198 (With 4 Round Headlamps)Check Price
1990-19912057Check Price
1987-19892057Check Price
198 (With 4 Rectangular Headlamps)Check Price

Rear Turn Signal

YearsBulb TypeShop
1998-20012057Check Price
19972057Check Price
198 (With Halogen Capsule Headlamps)Check Price
19962057Check Price
19952057Check Price
198 (With Halogen Capsule Headlamps)Check Price
19942057Check Price
198 (With 4 Rectangular Headlamps)Check Price
1992-19932057Check Price
19912057Check Price
198 (With 4 Rectangular Headlamps)Check Price
19902057Check Price
19892057Check Price
198 (With 4 Round Headlamps)Check Price
19882057Check Price
198 (With 4 Rectangular Headlamps)Check Price
19872057Check Price
198 (With Halogen Capsule Headlamps)Check Price

Bulb Specifications

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

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