GM GENUINE 87840342
GM GENUINE part number 87840342 is a transfer case housing extension in the Drivetrain system. This catalog matches it to 42 year-and-engine configurations from 2020 to 2025.
Verified fitment includes 2025 Chevrolet Silverado 2500 6.6L V8 ; 2025 Chevrolet Silverado 2500 6.6L V8 DIESEL Turbocharged ; 2025 Chevrolet Silverado 3500 6.6L V8 ; 2025 Chevrolet Silverado 3500 6.6L V8 DIESEL Turbocharged ; 2025 GMC Sierra 2500 6.6L V8 , plus 37 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is GM GENUINE 87840342?
GM GENUINE part number 87840342 is a transfer case housing extension with published application data for 42 vehicle configurations from 2020 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does GM GENUINE 87840342 fit?
This catalog matches 87840342 to 42 year-and-engine configurations from 2020 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is GM GENUINE 87840342 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. GM GENUINE 87840342 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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