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Powermaster

Alternator, Powermaster, 1954-88 GM, CS121, 100A, 6-rib Pulley

Vehicle Specific View fitment for 19 models
Part# PM31462
Mfg# 28462-114
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$249.99
List Price: $275.95
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Color Variation

Due to variations in monitor settings, some colors on this page may appear slightly different from GM originals. In addition, due to color differences in the original GM dye lots, interior product colors may vary slightly.

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Proven performance!

Compact design for maximum clearance!

Powermaster CS121 Style Alternators are manufactured using only the highest quality components. These "5x5" Compact Alternators are avaliable in 1V or 6-rib 100amp or 100amp XS VOLT™ featuring user adjustable voltage set points between 13.5-18.5 volts. Great for 12v-14v, and 16v systems, the set points are adjustable via adjusting screw on the back of the alternator housing. The CS121 has a side battery post, fits in "5x5"space which resolves clearance issues and one unit for 1 wire or 3 OE hookup, great for both hot rods and race applications. These alternators Feature a 6.14" Straight Mount with a 5"x5" housing for additional clearance. 100AMP break down: 60A at Idle, 90A at Cruise and 100A at Top end.

Notes

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

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  • 2023 Cadillac 1936-1993 137
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  
1984–1987 Buick Grand National  
1978–1987 Buick Regal  
1963–1976 Buick Riviera w/6-grv serpentine pulley
1961–1972 Buick Skylark w/6-grv serpentine pulley
1983–1987 Buick T-Type  
1959–1976 Cadillac DeVille w/6-grv serpentine pulley
1954–1976 Cadillac Eldorado w/6-grv serpentine pulley
1954–1976 Cadillac Fleetwood w/6-grv serpentine pulley
1954–1976 Cadillac Series 62 w/6-grv serpentine pulley
1976 Cadillac Seville w/6-grv serpentine pulley
1964–1977 Chevrolet Chevelle w/6-grv serpentine pulley
1964–1987 Chevrolet El Camino 1964–1977: w/6-grv serpentine pulley
1978–1987: w/6-grv serpentine pulley
1978–1983 Chevrolet Malibu w/6-grv serpentine pulley
1970–1988 Chevrolet Monte Carlo 1970–1977: w/6-grv serpentine pulley
1978–1988: w/6-grv serpentine pulley
1961–1987 Oldsmobile Cutlass 1961–1977: w/6-grv serpentine pulley
1978–1987: w/6-grv serpentine pulley
1959–1977 Pontiac Bonneville w/6-grv serpentine pulley
1982–1986 Pontiac Bonneville w/6-grv serpentine pulley
1959–1977 Pontiac Catalina w/6-grv serpentine pulley
1962–1987 Pontiac Grand Prix 1962–1977: w/6-grv serpentine pulley
1978–1987: w/6-grv serpentine pulley
1964–1973 Pontiac GTO w/6-grv serpentine pulley
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