2020-2024 Cadillac CT4 84978871 8 Speaker Used OEM Audio Amplifier
This listing is for a used OEM Cadillac audio/radio amplifier for 2020-2024 Cadillac CT4. Parts Depot preserves every usable full OE/reference number found in valid used amplifier listings.
Part number coverage
Detected OE/reference number: 84978871. Every full detected number is retained as hard fitment data and never consolidated with a different number.
Exact amplifier configuration
- Part Numbers: 84978871
- Configuration: 8 Speaker
- Year range: 2020-2024
- Vehicle: 2020-2024 Cadillac CT4
- Condition: Used OEM
- Shipping: Free nationwide U.S. shipping
- Warranty: 1-year replacement warranty
- Returns: 30-day returns
Audio amplifier fitment verification
Compare VIN, exact OE/reference number, factory audio system, speaker count, amplifier power/options, mounting location, connectors and the original amplifier label before ordering.
Source inventory reference: 2020-2024 CADILLAC CT4 CT5 A/V Amplifier, 8 speaker system, ID 84978871
1-year replacement warranty. See the warranty policy for complete terms.
