GM GENUINE 55511557

GM GENUINE part number 55511557 is a spark plug / ignition coil boot in the Ignition system. This catalog matches it to 13 year-and-engine configurations from 2021 to 2026.

Verified fitment includes 2026 Buick Envision 2.0L L4 Turbocharged ; 2026 Cadillac CT4 2.0L L4 Turbocharged ; 2026 Chevrolet Blazer 2.0L L4 Turbocharged ; 2025 Buick Envision 2.0L L4 Turbocharged ; 2025 Cadillac XT4 2.0L L4 Turbocharged , plus 8 other configurations. See every vehicle this part fits.

Manufacturer specifications
Use Boot 55511557 Only with 2-Bolt Melco Coil 55515866
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is GM GENUINE 55511557?

GM GENUINE part number 55511557 is a spark plug / ignition coil boot with published application data for 13 vehicle configurations from 2021 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.

Which vehicles does GM GENUINE 55511557 fit?

This catalog matches 55511557 to 13 year-and-engine configurations from 2021 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.

Is GM GENUINE 55511557 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 55511557 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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