ACIMX00004-Chevrolet GMC Buick Pontiac Olds Ignition Lock Cylinder ACDelco D1499A
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1978 GMC Suburban K1500 Dash Mounted Ignition Lock Cylinder ACDelco D1499A

66-91 Buick Chevy GMC Olds Pontiac Multifit Ignition Lock Cylinder w/Keys (AC DELCO)

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AC DELCO
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4.00/ 5.0 1
Not compatible with original equipment, but great customer service!
Christopher
November 29, 2021
Unfortunately, this lock cylinder, (D 1499A), does not fit the 1966 Pontiac Catalina original 675 ignition switch. It sits too shallow and does not make contact with the bottom groove of the switch. Upon further research, another gentleman had a similar problem with his D 1499A lock cylinder working with his big body Pontiac and wrote a warning on Summit Racing. HOWEVER, 1A Auto offered a full refund, allowed me to keep the cylinder, and apologized for the inconvenience!
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This part will only fit a 1978 GMC Suburban K1500 with these options.

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