ACDELCO
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ACDELCO D577A Specifications
Cap Mounted CoilNo
ColorBlack
Contact Terminal MaterialMetal
Distributor Cap Contacts MaterialBrass
Distributor Cap Tower Quantity7
Distributor TypeBreaker
Distributor VentNo
MaterialReinforced Polyester
Mounting TypeClip On
Plug Wire Retainer AttachedNo
Programming RequiredNo
Tower PositionVertical
Professional
An ACDelco Professional, premium aftermarket Distributor Cap is the ideal high quality replacement for your GM vehicle. It covers the top of the distributor and provides half of the rotary switch (distributor rotor). This premium aftermarket replacement distributor cap is manufactured to meet or exceed your expectations for fit, form, and function.

Features & Benefits:
  • Have metal inserts designed to provide the best possible fit to ensure maximum conductivity between the distributor towers and spark plug wires
  • Easy-to-read locator keys on caps make proper installation simple
  • Equipped with a full anti-arc barrier to reduce the possibility of secondary voltage arcs that can cause an engine to misfire
  • Undergo stringent testing, often under extreme or unusual conditions, to deliver the quality parts you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function to provide the performance and dependability you expect from ACDelco
ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.

GM ORIGINAL EQUIPMENT
GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDELCO GOLD (PROFESSIONAL)
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.


OEM / Interchange Numbers: 89056802

Warranty Information:
24 Month / Unlimited Mile Warranty on parts sold on or after 04/01/18; 12 Months on parts sold before 04/01/18.
Warranty Details