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OER 1969-85 Chevrolet, Crankshaft Pulley, w/o AC, Small Block, Long Water Pump, 2-Groove, 3956666 R1055

OER 1969-85 Chevrolet, Crankshaft Pulley, w/o AC, Small Block, Long Water Pump, 2-Groove, 3956666 R1055
OER 1969-85 Chevrolet, Crankshaft Pulley, w/o AC, Small Block, Long Water Pump, 2-Groove, 3956666 R1055
$120.99 ea
NEWARRIVING SOONEstimated Ship Date 02/27/2026 (If Ordered Today)2 Available from our supplier as of 02/10/2026
Model: 4870737
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Reproduction 2-groove crankshaft pulley for 1969-81 Chevrolet models with small block and long water pump. Each pulley is manufactured to factory specifications. For use with small block models without air conditioning. 2 Groove design measures approximately 6-7/8".

Camaro applications:
  • 1969 327ci, with power steering, 6-7/8" O.D. GM# 3956666
  • 1969-73 307ci, without AC, 6-7/8" O.D. GM# 3956666
  • 1969-75 350ci, exc. Z28, 6-7/ 8" O.D. GM #3956666
Chevrolet / GMC Truck applications:
  • 1973 307ci, without AC, 6-7/8" O.D. GM# 3956666
  • 1973-85 350ci, exc. Z28, 6-7/8" O.D. GM #3956666
Impala / Full Size applications:
  • 1969 327ci, with power steering, 6-7/8" O.D.GM# 3956666
  • 1969-73 307ci, without AC, 6-7/8" O.D. GM# 3956666
  • 1969-75 350ci, 6-7/8" O.D. GM #3956666
  • 1970 454ci, with power steering 6-7/8" O.D. GM #3956666"
  • 1971-78 454ci, without AC 6-7/8" O.D. GM #3956666"
  • 1976-85 305ci, 350ci, without AC 6-7/8" O.D. GM #3956666"
Chevy II / Nova applications:
  • 1969 327ci , with power steering, 6-7/8" O.D. GM# 3956666
  • 1969-73 307ci, without AC, 6-7/8" O.D. GM# 3956666
  • 1969-75 350ci, exc. Z28, 6-7/8" O.D. GM #3956666

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Chevrolet Bel Air 1969 - 1975
Chevrolet Biscayne 1969 - 1972
Chevrolet Blazer 1973
Chevrolet Brookwood 1969 - 1972
Chevrolet C10 Suburban 1982 - 1985
Chevrolet C10 1982 - 1985
Chevrolet C15 1982 - 1985
Chevrolet C20 Suburban 1982 - 1985
Chevrolet C20 1982 - 1985
Chevrolet C30 1982 - 1985
Chevrolet C35 1983 - 1985
Chevrolet Camaro 1969 - 1985
Chevrolet Caprice 1969 - 1985
Chevrolet Chevelle 1969 - 1973
Chevrolet El Camino 1969 - 1981
Chevrolet G10 Van 1971 - 1973
Chevrolet G20 Van 1971 - 1973
Chevrolet G30 Van 1971 - 1973
Chevrolet K10 Suburban 1982 - 1985
Chevrolet K10 1982 - 1985
Chevrolet K20 Suburban 1982 - 1985
Chevrolet K20 1982 - 1985
Chevrolet K30 1982 - 1985
Chevrolet K5 Blazer 1982 - 1985
Chevrolet Kingswood 1969 - 1972
Chevrolet Malibu 1973 - 1980
Chevrolet Monte Carlo 1970 - 1981
Chevrolet Nova 1969 - 1979
Chevrolet P20 Van 1973
Chevrolet P30 Van 1973
Chevrolet S10 Blazer 1983 - 1985
Chevrolet S10 1982 - 1985
Chevrolet Townsman 1969 - 1972
GMC C1500 Suburban 1982 - 1985
GMC C1500 1982 - 1985
GMC C2500 Suburban 1982 - 1985
GMC C2500 1982 - 1985
GMC C3500 1982 - 1985
GMC Jimmy 1982 - 1985
GMC K1500 Suburban 1982 - 1985
GMC K1500 1982 - 1985
GMC K2500 Suburban 1982 - 1985
GMC K2500 1982 - 1985
GMC K3500 1982 - 1985
GMC S15 Jimmy 1983 - 1985
GMC S15 1982 - 1985
GMC Sprint 1971 - 1977
Pontiac Firebird 1982 - 1985

Specifications:

Height 7 in
Length 3 in
Weight 2.44 lbs
Width 7 in

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OER 1969-85 Chevrolet, Crankshaft Pulley, w/o AC, Small Block, Long Water Pump, 2-Groove, 3956666 R1055: