GM GENUINE PT3921
GM GENUINE part number PT3921 is a crankshaft position sensor connector in the Electrical-Connector system. This catalog matches it to 135 year-and-engine configurations from 2019 to 2026.
Verified fitment includes 2026 Buick Enclave 2.5L L4 Turbocharged ; 2026 Buick Envision 2.0L L4 Turbocharged ; 2026 Cadillac XT5 3.6L V6 ; 2026 Chevrolet Blazer 2.0L L4 Turbocharged ; 2026 Chevrolet Blazer 3.6L V6 , plus 130 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is GM GENUINE PT3921?
GM GENUINE part number PT3921 is a crankshaft position sensor connector with published application data for 135 vehicle configurations from 2019 to 2026. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GM GENUINE PT3921 fit?
This catalog matches PT3921 to 135 year-and-engine configurations from 2019 to 2026. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GM GENUINE PT3921 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GM GENUINE PT3921 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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