PEAK 3157
PEAK part number 3157 is a back up / reverse lamp bulb in the Electrical-Bulb & Socket system. This catalog matches it to 798 year-and-engine configurations from 1991 to 2026.
Verified fitment includes 2026 GMC Savana 3500 4.3L V6 ; 2026 GMC Savana 3500 6.6L V8 ; 2025 Chevrolet Express 2500 4.3L V6 ; 2025 Chevrolet Express 2500 6.6L V8 ; 2025 Chevrolet Express 3500 4.3L V6 , plus 793 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is PEAK 3157?
PEAK part number 3157 is a back up / reverse lamp bulb with published application data for 798 vehicle configurations from 1991 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does PEAK 3157 fit?
This catalog matches 3157 to 798 year-and-engine configurations from 1991 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is PEAK 3157 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. PEAK 3157 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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