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Holley EFI

Holley EFI 558-475 Pulse Width Modulated (PWM) Alternator Harness

Part # 558-475

Compatible with 2007+ PWM GM® Alternators with Holley EFI® and Terminator X® Main Harnesses. This product is not created or sold by GM®.

Holley EFI 558-475 Pulse Width Modulated (PWM) Alternator Harness

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Free Shipping on orders over $150*
$80.24
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

See Emissions Details
Plug and play Holley EFI® alternator harnesses for late model engines with Pulse Width Modulated alternators.

Features:

  • Plug and play with Holley EFI and Terminator X Main Harnesses
  • Designed for use with 2007-up late model factory alternators
  • Includes detailed instructions for software configuration
Brand Holley EFI
Emission Code5
Product TypeAlternator Harnesses
WarrantyManufacturer's Limited 90 Day (1 Year with Warranty Registration)
UPC090127142301
Manufacturer Part Number558-475
Part Number558-475
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Instructions for 558-475
Manufacturer's Limited 90 Day (1 Year with Warranty Registration): See Details

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*Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

Some parts are not legal for use in California or other states with similar regulations.

Holley EFI 558-475 Pulse Width Modulated (PWM) Alternator Harness
Holley EFI 558-475 Pulse Width Modulated (PWM) Alternator Harness
$80.24