GM GENUINE RW203

Verified fitment Axle Shaft Pilot Bearing · Fits 86 Configurations

GM GENUINE part number RW203 is a axle shaft pilot bearing in the Drivetrain system. This catalog matches it to 86 year-and-engine configurations from 2002 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 81 other configurations. See every vehicle this part fits.

Manufacturer specifications

Fits:

Front4WDInner Bearing3.42 Rear Axle Ratio (GU6),2 Speed Manual Shaft

or:

Front4WDInner Bearing3.73 Rear Axle Ratio (GT4),2 Speed Manual Shaft

or:

Front4WDInner Bearing3.42 Rear Axle Ratio (GU6),Single Speed Active Transfer Case (NP0)

or:

Front4WDInner Bearing3.23 Rear Axle Ratio (GU5),2 Speed Manual Shaft

or:

Front4WDInner Bearing3.23 Rear Axle Ratio (GU5),Single Speed Active Transfer Case (NP0)

or:

Front4WDInner Bearing3.08 Rear Axle Ratio (GU4),2 Speed Manual Shaft

or:

Front4WDInner Bearing3.08 Rear Axle Ratio (GU4),Single Speed Active Transfer Case (NP0)

or:

Front4WDInner Bearing3.08 Rear Axle Ratio (GU4), Switch Activated 2-Speed Transfer Case (NQH)

or:

Front4WDInner Bearing3.42 Rear Axle Ratio (GU6), Switch Activated 2-Speed Transfer Case (NQH)

or:

Front4WDInner Bearing3.23 Rear Axle Ratio (GU5), Switch Activated 2-Speed Transfer Case (NQH)

or:

Front4WDInner Bearing3.73 Rear Axle Ratio (GT4), Switch Activated 2-Speed Transfer Case

Application data published for:

🇺🇸 US 🇨🇦 CA

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Frequently Asked Questions

What is GM GENUINE RW203?

GM GENUINE part number RW203 is a axle shaft pilot bearing with published application data for 86 vehicle configurations from 2002 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 RW203 fit?

This catalog matches RW203 to 86 year-and-engine configurations from 2002 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 RW203 OEM or aftermarket?

What matters is the published application data for this part number, not the label on the box. GM GENUINE RW203 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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