ACDELCO
More Information for ACDELCO 12S21
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ACDELCO 12S21 Specifications
Thickness0.146 IN
Inside Diameter50.00 MM
Outside Diameter2.323 in
MaterialRubber
Inside Diameter1.969 in
Thickness3.700 MM
Seal TypeGasket O Ring
Outside Diameter59.00 MM
Professional
ACDelco Quality

ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.

GM ORIGINAL EQUIPMENT
GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDELCO GOLD (PROFESSIONAL)
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.


OEM / Interchange Numbers: 19114573

Warranty Information:
24 Month / Unlimited Mile Limited Warranty
Warranty Details