GM GENUINE 12479069

GM GENUINE part number 12479069 is a differential lock thrust block in the Drivetrain system. This catalog matches it to 45 year-and-engine configurations from 2011 to 2026.

Verified fitment includes 2026 Chevrolet Express 3500 4.3L V6 ; 2026 Chevrolet Express 3500 6.6L V8 ; 2026 Chevrolet Express 4500 6.6L V8 ; 2026 GMC Savana 3500 4.3L V6 ; 2026 GMC Savana 3500 6.6L V8 , plus 40 other configurations. See every vehicle this part fits.

Manufacturer specifications
Cutaway VanBrown3.73 Rear Axle Ratio (GT4) or 4.10 Rear Axle Ratio (GT5),Positraction Limited-Slip Rear Axle (G80),Dual Rear Wheels(R05)1.606 Thick
Application data published for:
🇺🇸 US 🇨🇦 CA

Frequently Asked Questions

What is GM GENUINE 12479069?

GM GENUINE part number 12479069 is a differential lock thrust block with published application data for 45 vehicle configurations from 2011 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 12479069 fit?

This catalog matches 12479069 to 45 year-and-engine configurations from 2011 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 12479069 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 12479069 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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