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ACDelco 85138728 GM Original Equipment Radio Speaker Amplifier

Part of: ACDelco GM Original Equipment Radio Speaker Amplifier

Other options in this family: ACDelco 84832893 ACDelco 84088424 ACDelco 84832894 ACDelco 84088423 ACDelco 84914043

Manufacturer

Picture for manufacturer ACDelco

Part Number

85138728
9 reviews
Sale Price

$222.42

1 left at this price

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Usually delivered within 2 days

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The ACDelco 85138728 is a GM Original Equipment Radio Speaker Amplifier designed as a direct OEM replacement for select 2021–2025 Cadillac vehicles. This amplifier receives audio signals from the vehicle's radio or head unit, boosts signal strength, and distributes power to the vehicle's speakers, delivering a rich, high-fidelity in-cabin listening experience.

Key Features:

  • GM Original Equipment part — designed, engineered, and tested to GM's rigorous standards
  • Amplifies audio signal and distributes output to the appropriate speakers
  • Output signal may include full-range frequencies or dedicated ranges such as subwoofer or midrange channels
  • Direct OEM replacement ensuring precise fit, form, and function
  • Backed by General Motors and covered under GM's Replacement Parts Limited Warranty

Important Installation Note: This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle. Professional installation by a qualified automotive technician is strongly recommended.

Choosing a GM Original Equipment amplifier guarantees the same performance, durability, and service life as the factory-installed component, maintaining the integrity of your vehicle's audio system.

Your selection and service is great. The only issue i had was knowing if the product i was ordering was a stock item. I had to contact your customer service about three days after ordering to get an estimated delivery time, would have been nice to know sooner.

GREAT user friendly website. Always have a good selection of parts, even Genuine OEM parts and other options.

Great.

Good prices, easy ordering.

Excellent service

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pricing is good.

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Good price painless experience!

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