GM GENUINE 87840345

GM GENUINE part number 87840345 is a transfer case housing extension in the Drivetrain system. This catalog matches it to 48 year-and-engine configurations from 2020 to 2026.

Verified fitment includes 2026 Chevrolet Silverado 2500 6.6L V8 ; 2026 Chevrolet Silverado 2500 6.6L V8 DIESEL Turbocharged ; 2026 Chevrolet Silverado 3500 6.6L V8 ; 2026 Chevrolet Silverado 3500 6.6L V8 DIESEL Turbocharged ; 2026 GMC Sierra 2500 6.6L V8 DIESEL Turbocharged , plus 43 other configurations. See every vehicle this part fits.

Manufacturer specifications
4WD2-Speed Electronic Shift Transfer Case (NQF)
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is GM GENUINE 87840345?

GM GENUINE part number 87840345 is a transfer case housing extension with published application data for 48 vehicle configurations from 2020 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 87840345 fit?

This catalog matches 87840345 to 48 year-and-engine configurations from 2020 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 87840345 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 87840345 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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