ACDELCO PT3749
ACDELCO part number PT3749 is a body wiring harness / connector in the Electrical-Connector system. This catalog matches it to 31 year-and-engine configurations from 2004 to 2023.
Verified fitment includes 2023 Chevrolet Silverado 4500 HD 6.6L V8 DIESEL Turbocharged ; 2023 Chevrolet Silverado 5500 HD 6.6L V8 DIESEL Turbocharged ; 2023 Chevrolet Silverado 6500 HD 6.6L V8 DIESEL Turbocharged ; 2022 Chevrolet Silverado 4500 HD 6.6L V8 DIESEL Turbocharged ; 2022 Chevrolet Silverado 5500 HD 6.6L V8 DIESEL Turbocharged , plus 26 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is ACDELCO PT3749?
ACDELCO part number PT3749 is a body wiring harness / connector with published application data for 31 vehicle configurations from 2004 to 2023. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does ACDELCO PT3749 fit?
This catalog matches PT3749 to 31 year-and-engine configurations from 2004 to 2023. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is ACDELCO PT3749 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. ACDELCO PT3749 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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