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GM GENUINE 12471570

Verified fitment Differential Lock Thrust Block · Fits 56 Configurations

GM GENUINE part number 12471570 is a differential lock thrust block in the Drivetrain system. This catalog matches it to 56 year-and-engine configurations from 2019 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 , plus 51 other configurations. See every vehicle this part fits.

Manufacturer specifications
Fits:
Brown3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80), 11.50 Ring Gear American Axle1.825 Thickor Brown3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80), 11.50 Ring Gear American Axle1.825 Thick
Application data published for:
🇺🇸 US 🇨🇦 CA
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Frequently Asked Questions

What is GM GENUINE 12471570?

GM GENUINE part number 12471570 is a differential lock thrust block with published application data for 56 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 12471570 fit?

This catalog matches 12471570 to 56 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 12471570 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE 12471570 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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