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GM GENUINE 12479213 — Fitment Guide

Verified fitment 4WD Actuator Fork · Fits 86 Configurations (2002–2026)

Part number 12479213 from GM GENUINE is matched to 86 year-and-engine configurations spanning 2002 to 2026. Fitment can still depend on position, trim or production date — read the notes before ordering. ← Back to part details

Manufacturer notes
Fits:
4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.08 Rear Axle Ratio (GU4), Switch Activated 2-Speed Transfer Case (NQH)
or:
4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.08 Rear Axle Ratio (GU4),2 Speed Manual Shaftor 4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.42 Rear Axle Ratio (GU6), Switch Activated 2-Speed Transfer Case (NQH)
or:
4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.42 Rear Axle Ratio (GU6),2 Speed Manual Shaftor 4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.08 Rear Axle Ratio (GU4),Single Speed Active Transfer Case (NP0)
or:
4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.23 Rear Axle Ratio (GU5), Switch Activated 2-Speed Transfer Case (NQH)
or:
4WDFork 12479213 Includes Fork/Shaft.separate Shaft NO LONGER NEEDED3.23 Rear Axle Ratio (GU5),2 Speed Manual Shaftor 4WDFork 12479213 Includes Fork/Shaft.separate

Compatible Vehicles (86)

Showing 30 configurations of 86 configurations

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2026 Chevrolet SILVERADO 3500 6.6L V8 View on
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2026 Chevrolet SILVERADO 3500 6.6L V8 DIESEL Turbocharged View on
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2026 GMC SIERRA 2500 6.6L V8 View on
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2026 GMC SIERRA 2500 6.6L V8 DIESEL Turbocharged View on
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2026 GMC SIERRA 3500 6.6L V8 View on
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2025 Chevrolet SILVERADO 2500 6.6L V8 View on
Amazon
2025 Chevrolet SILVERADO 2500 6.6L V8 DIESEL Turbocharged View on
Amazon
2025 Chevrolet SILVERADO 3500 6.6L V8 View on
Amazon
2025 Chevrolet SILVERADO 3500 6.6L V8 DIESEL Turbocharged View on
Amazon
2025 GMC SIERRA 2500 6.6L V8 View on
Amazon
2025 GMC SIERRA 2500 6.6L V8 DIESEL Turbocharged View on
Amazon
2025 GMC SIERRA 3500 6.6L V8 View on
Amazon
2025 GMC SIERRA 3500 6.6L V8 DIESEL Turbocharged View on
Amazon
2024 Chevrolet SILVERADO 2500 6.6L V8 View on
Amazon
2024 Chevrolet SILVERADO 2500 6.6L V8 DIESEL Turbocharged View on
Amazon
2024 Chevrolet SILVERADO 3500 6.6L V8 View on
Amazon
2024 Chevrolet SILVERADO 3500 6.6L V8 DIESEL Turbocharged View on
Amazon
2024 GMC SIERRA 2500 6.6L V8 View on
Amazon
2024 GMC SIERRA 2500 6.6L V8 DIESEL Turbocharged View on
Amazon
2024 GMC SIERRA 3500 6.6L V8 View on
Amazon
2024 GMC SIERRA 3500 6.6L V8 DIESEL Turbocharged View on
Amazon
2023 Chevrolet SILVERADO 2500 6.6L V8 View on
Amazon
2023 Chevrolet SILVERADO 2500 6.6L V8 DIESEL Turbocharged View on
Amazon
2023 Chevrolet SILVERADO 3500 6.6L V8 View on
Amazon
2023 Chevrolet SILVERADO 3500 6.6L V8 DIESEL Turbocharged View on
Amazon
2023 GMC SIERRA 2500 6.6L V8 View on
Amazon
2023 GMC SIERRA 2500 6.6L V8 DIESEL Turbocharged View on
Amazon
2023 GMC SIERRA 3500 6.6L V8 View on
Amazon

Frequently Asked Questions

How many vehicles does GM GENUINE 12479213 fit?

86 Year-and-engine configurations from 2002 to 2026. Each row is one published application — year, make, model and engine.

If my vehicle is in this list, is 12479213 guaranteed to fit?

The row means the manufacturer published fitment for that year, model and engine. Still read the notes for position, trim or production-date qualifiers before you order, and cross-reference the number against the part you are replacing.

Can I jump from this list to the parts for my vehicle?

Yes. Each model link opens the matching category page for that vehicle so you can compare other brands that cover the same fitment.

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