DB Electrical 400-12427 New Alternator for 180 Amp Buick Roadmaster 1991-1993 5.7L 240-503560H; ADR0022-220
DB Electrical 400-12427 New Alternator for 180 Amp Buick Roadmaster 1991-1993 5.7L 240-503560H; ADR0022-220
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DB Electrical

DB Electrical 400-12427 New Alternator for 180 Amp Buick Roadmaster 1991-1993 5.7L 240-503560H; ADR0022-220

|9 ratings

Key item features

  • Specs: Description: Alternator, Voltage: 12, Rotation: CW, Amperage: 220, Regulator: IR, Fan Type: EF, Clock: 11, Manufacturer: Delco
  • Replaces OEM Numbers: ARROWHEAD: ADR0022-220, LESTER: 8165-11-160, PIC: 240-503560H, FAMILY: CS130 HO, J & N: 400-12144, 400-12427
  • Compatible With/Replacement For: BUICK-ROADMASTER 1991-1993, CADILLAC-BROUGHAM 1991-1992, CHEVROLET ASTRO VAN 1987-1989, BLAZER 1987, 1994, C / K / R / V SERIES PICKUPS 1987-1993
  • 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.
  • 100% New aftermarket Alternator built to meet OEM specifications for Buick, Cadillac, Chevrolet
Current price is $134.94
Price when purchased online
  • Free shipping
  • Free 30-day returns

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Columbus, 43215
Arrives between May 6 - May 8
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Sold and shipped by DB Electrical
4.363025210084033 stars out of 5, based on 595 seller reviews(4.4)
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4.4 out of 5 stars
stars9 ratings9 reviews
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  1. 5 stars78% (7)
  2. 4 stars11% (1)
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Showing 1-3 of 9 reviews

Jan 27, 2026
DEBRA S.
5 out of 5 stars review

Seller Verified Purchase

Good alternator

Works good, good quality.

Review from dbelectrical.com
Helpful?3FFR4VGHMBZ4526380152
Aug 23, 2025
OBIE b.
5 out of 5 stars review

Seller Verified Purchase

Love it

Great price great performance

Review from dbelectrical.com
Helpful?3FFR4VGHMBZ4526380152
May 17, 2024
WILL R.
5 out of 5 stars review

Seller Verified Purchase

Great price

Installed this on a Jeep with a Chevy 5.7 swapped in and worked great, best price I could find for a high output bolt on alternator option. Haven't tested it to verify actual amp output but seems to work great.

Review from dbelectrical.com
Helpful?3FFR4VGHMBZ4526380152