OPGI.com works best with JavaScript enabled.
Early Black Friday! Save up to 20% off Restoration! - use code: BIGDEAL20W
  • As seen on
  • Wrench'd
  • Lokar Car Show Series

Powermaster

Alternator, Original Look, 1959-88 GM Cars, 12SI, 100A, 1V

Vehicle Specific View fitment for 21 models
Part# CH20252
Mfg# 17294
Sold As Each
$139.99
List Price: $154.95
You Save $14.96
Arriving Soon
Add To Wishlist 

Available in a variety of styles and finishes

Keep your charging system alive with a new top of the line alternator from Powermaster. These alternators are manufactured by professionals using only the highest quality components. Choose between an externally regulated DN-style alternator and a later SI-style alternator, which is internally regulated for one wire operation or can also be used with an external regulator if desired. Alternators are available in natural, chrome and polished finishes depending on your preference and each includes a fan and pulley.

Notes

  • This item is not eligible for any further discounts or promotional pricing.

Find Item In These Catalogs

  • 2023 Cadillac 1936-1993 137
  • 2023 Grand Prix 1962-77 209
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National 12SI (100-amp, int. reg.)
1984–1987 Buick Grand National 12SI (100-amp, int. reg.)
1978–1987 Buick Regal 12SI (100-amp, int. reg.)
1963–1976 Buick Riviera 12SI (100-amp, int. reg.)
1961–1972 Buick Skylark 12SI (100-amp, int. reg.)
1983–1987 Buick T-Type 12SI (100-amp, int. reg.)
1959–1976 Cadillac DeVille 12SI (100-amp, int. reg.)
1953–1976 Cadillac Eldorado 12SI (100-amp, int. reg.)
1954–1976 Cadillac Fleetwood 12SI (100-amp, int. reg.)
1954–1964 Cadillac Series 62 12SI (100-amp, int. reg.)
1954–1964 Cadillac Series 65 12SI (100-amp, int. reg.)
1964–1977 Chevrolet Chevelle 12SI (100-amp, int. reg.)
1964–1987 Chevrolet El Camino 1964–1977: 12SI (100-amp, int. reg.)
1978–1987: 12SI (100-amp, int. reg.)
1978–1983 Chevrolet Malibu 12SI (100-amp, int. reg.)
1970–1988 Chevrolet Monte Carlo 1970–1977: 12SI (100-amp, int. reg.)
1978–1988: 12SI (100-amp, int. reg.)
1961–1987 Oldsmobile Cutlass 1961–1977: 12SI (100-amp, int. reg.)
1978–1987: 12SI (100-amp, int. reg.)
1958–1977 Pontiac Bonneville 12SI (100-amp, int. reg.)
1982–1986 Pontiac Bonneville 12SI (100-amp, int. reg.)
1959–1977 Pontiac Catalina 12SI (100-amp, int. reg.)
1962–1987 Pontiac Grand Prix 1962–1977: 12SI (100-amp, int. reg.)
1978–1987: 12SI (100-amp, int. reg.)
1964–1973 Pontiac GTO 12SI (100-amp, int. reg.)
1961–1974 Pontiac LeMans 1961–1973: 12SI (100-amp, int. reg.)
1961–1970 Pontiac Tempest 12SI (100-amp, int. reg.)
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (8)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.