Dorman 425-199 Steering Shaft - Lower

Brand Dorman 425-199
Position Lower
Color Silver
Diameter 1.8
End 1 Type External Profile
End 1 Type Internal Profile
Installation Instructions Included No
Length 7
Material Steel
Mounting Hardware Included No
Package Contents 1 Steering Shaft
Spline Quantity 0
Universal Joint Quantity 1
Universal Joints Included Yes
Fits Chevrolet, GMC, Isuzu, Buick, and Oldsmobile · 52 vehicles

OE direct replacement. Directly replaces the original equipment for a secure, precise fit.

Steel construction. Built from steel for dependable steering shaft strength.

Thoroughly tested. Meets Federal Motor Vehicle Safety Standards.

Cross-references 15155707 for the same application. See all 1.

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Dorman 425-199 Steering Shaft for Lower Steering Repair

Dorman 425-199 is a lower steering shaft replacement for select GM and Isuzu applications. It is built from steel, precision-machined for a secure fit, and tested to meet Federal Motor Vehicle Safety Standards for the listed vehicles.

  • Direct replacement steering shaft for the lower steering position
  • Steel construction with a silver finish
  • Precision-machined for tight engagement at the steering connection points
  • Includes one universal joint
  • Compatible with select Chevrolet Trailblazer, GMC Envoy, Buick Rainier, Isuzu Ascender, and related models

Vehicle Fitment

  • Fits 2002-2009 Chevrolet Trailblazer, Lower
  • Fits 2002-2006 Chevrolet Trailblazer EXT, Lower
  • Fits 2004-2007 Buick Rainier, Lower
  • Fits 2002-2009 GMC Envoy, Lower
  • Fits 2002-2006 GMC Envoy XL, Lower
  • Fits 2004-2005 GMC Envoy XUV, Lower
  • Fits 2003-2008 Isuzu Ascender, Lower
  • Fits 2002-2004 Oldsmobile Bravada, Lower

Detailed Description

This steering shaft is a direct OE-style replacement for the lower steering shaft on the listed vehicles. Dorman 425-199 is precision-machined to help maintain a secure connection in the steering system, and its steel construction supports the demands of daily driving. This part cross-references GM 15155707 for the same application. It is a practical replacement choice for Chevrolet Trailblazer and GMC Envoy models when the original lower shaft shows wear or looseness.

Common Repair Uses

  • Steering play or looseness in the lower shaft area
  • Clunking or binding during steering input
  • Wear at the steering shaft connection points
  • Replacement after corrosion or mechanical damage
  • Restoring proper steering feel on Trailblazer, Envoy, and related platforms

Installation Notes and Tips

Verify the vehicle year, make, model, and lower steering position before ordering. Compare the original shaft length, diameter, and end profiles to confirm match-up with the existing assembly. Installation instructions and mounting hardware are not included, so reuse or source the required fasteners as needed and follow the vehicle service procedure for steering component replacement.

Quality Assurance

Dorman tests this steering shaft to meet Federal Motor Vehicle Safety Standards and machines it for consistent fitment on the specified applications. The part number is 425-199.

This part fits 52 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
2009ChevroletTrailblazerLTLower
2009GMCEnvoyLower
2008ChevroletTrailblazerBaseLower
2008ChevroletTrailblazerLTLower
2008GMCEnvoyLower
2008IsuzuAscenderLower
2007BuickRainierLower
2007ChevroletTrailblazerBLower
2007ChevroletTrailblazerBaseLower
2007ChevroletTrailblazerLTLower
2007ChevroletTrailblazerALower
2007ChevroletTrailblazerLSLower
2007GMCEnvoyLower
2007IsuzuAscenderLower
2006BuickRainierLower
2006ChevroletTrailblazerBLower
2006ChevroletTrailblazerBaseLower
2006ChevroletTrailblazerLower
2006ChevroletTrailblazerLTLower
2006ChevroletTrailblazerALower
2006ChevroletTrailblazerLSLower
2006ChevroletTrailblazer EXTLTLower
2006ChevroletTrailblazer EXTLSLower
2006GMCEnvoyLower
2006GMCEnvoy XLLower
2006IsuzuAscenderLower
2005BuickRainierLower
2005ChevroletTrailblazerLower
2005ChevroletTrailblazer EXTLower
2005GMCEnvoyLower
2005GMCEnvoy XLLower
2005GMCEnvoy XUVLower
2005IsuzuAscenderLower
2004BuickRainierLower
2004ChevroletTrailblazerLower
2004ChevroletTrailblazer EXTLower
2004GMCEnvoyLower
2004GMCEnvoy XLLower
2004GMCEnvoy XUVLower
2004IsuzuAscenderLower
2004OldsmobileBravadaLower
2003ChevroletTrailblazerLower
2003ChevroletTrailblazer EXTLower
2003GMCEnvoyLower
2003GMCEnvoy XLLower
2003IsuzuAscenderLower
2003OldsmobileBravadaLower
2002ChevroletTrailblazerLower
2002ChevroletTrailblazer EXTLower
2002GMCEnvoyLower
2002GMCEnvoy XLLower
2002OldsmobileBravadaLower
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
15155707