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OER 1965-67 GTO, Lemans, GS, Skylark, Crankshaft Pulley, 389, 400, 421, 428, Double Groove 9778804

OER 1965-67 GTO, Lemans, GS, Skylark, Crankshaft Pulley, 389, 400, 421, 428, Double Groove 9778804
$109.99 ea
NEWARRIVING SOONEstimated Ship Date 02/27/2026 (If Ordered Today)4 Available from our supplier as of 02/10/2026
Model: 4870725
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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1965-67 GTO, Lemans, GS, Skylark; Crankshaft Pulley; 389, 400, 421, 428; Double Groove

Reproduction double groove crankshaft pulley for 1965-67 Buick GS, Sklark, Pontiac GTO, Lemans models with 400ci engine. Fits Pontiac, Buick 389ci, 400ci, 421ci, 428ci engines. Measures 7-1/4' in diameter. Number stamped on pulley is 9778804.

Buick Applications
  • 1965-1967 Buick Gran Sport Base
  • 1965-1967 Buick Skylark Base
Pontiac Applications
  • 1965-1967 Pontiac GTO
  • 1965-1965 Pontiac GTO Base

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
Buick Gran Sport 1965 - 1967
Buick Skylark 1965 - 1967
Pontiac GTO 1965 - 1967

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OER 1965-67 GTO, Lemans, GS, Skylark, Crankshaft Pulley, 389, 400, 421, 428, Double Groove 9778804:
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