Dorman 901-053 4WD Switch
OE Quality 60-Day Returns
Dorman

Dorman 901-053 4WD Switch

Brand Dorman 901-053
Attached Lead Wires No Lead Wires Required
Mounting Location Dash
Package Contents 1 Switch
Terminal Type Blade
Wiring Harness Included No Harness Required
Fits Chevrolet and GMC · 50 vehicles

OE-style replacement. Matches the original switch’s appearance and function on specified applications.

Quality materials. Engineered for reliable performance and durability.

Blade terminals. Uses blade terminals with no lead wires or harness required.

Cross-references SKP SK901053, Standard Ignition TCA-50 and 1S11003 for the same application. See all 6.

$87.87Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Dorman 901-053 4WD Switch for GM Trucks and SUVs

Restore electronic transfer case control with this Dorman 4WD switch. Built to match the appearance and function of the original dash-mounted switch, it is a direct replacement for select Chevrolet and GMC 4WD applications.

  • Dash-mounted 4WD switch for electronic shift transfer case systems
  • Blade terminal type for the specified vehicle wiring setup
  • No lead wires required
  • No harness required
  • Engineered from quality materials for reliable operation and durability
  • Fits select Chevrolet Silverado, Tahoe, Suburban, Avalanche, and GMC Sierra, Yukon models with RPO code NP1

OE-Style Replacement Design

Dorman 901-053 is designed to match the original switch’s appearance and function on specified GM vehicles. It is a practical replacement for a worn, intermittent, or nonresponsive 4WD dash switch in 2003-2007 Chevrolet and GMC trucks and SUVs equipped with the 2-speed electronic shift transfer case and RPO code NP1. This part cross-references Standard Ignition TCA-50 for the same application.

Vehicle Fitment

  • Fits 2007 Chevrolet Silverado 2500 HD Classic, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2007 Chevrolet Silverado 3500 Classic, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2007 GMC Sierra 2500 HD Classic, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2007 GMC Sierra 3500 Classic, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 Chevrolet Avalanche 2500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 Chevrolet Silverado 2500 HD, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 Chevrolet Silverado 3500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 Chevrolet Suburban 2500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 GMC Sierra 2500 HD, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 GMC Sierra 3500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2006 GMC Yukon XL 2500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 Chevrolet Avalanche 1500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 Chevrolet Silverado 1500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 Chevrolet Silverado 2500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 Chevrolet Suburban 1500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 Chevrolet Tahoe, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 GMC Sierra 1500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 GMC Sierra 2500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 GMC Yukon, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
  • Fits 2003-2004 GMC Yukon XL 1500, N/A, w/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)

Common Problems This Switch Can Address

  • 4WD selector switch that no longer responds at the dash
  • Intermittent transfer case mode selection
  • Broken or worn switch contacts in the electronic shift control circuit
  • Dashboard 4WD switch failure on GM trucks and SUVs with NP1 transfer case systems
  • Need for a direct replacement 4WD switch for Chevrolet Silverado and GMC Sierra applications

Installation Notes

This switch mounts in the dash and uses blade terminals. No lead wires or wiring harness are required, which helps simplify replacement when servicing the original dash switch location. Verify the vehicle’s RPO code NP1 and confirm the existing connector style before installation. For search relevance, this part is commonly sought as a 4WD switch for Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and related GM NP1 transfer case applications.

Quality Assurance

Dorman manufactures this replacement switch to match the original part’s appearance and function while using quality materials for dependable service. Dorman 901-053 is built for the specified GM electronic shift transfer case applications and is supported by the brand’s replacement-parts engineering focus.

Related reading

This part fits 50 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2007ChevroletSilverado 2500 HD ClassicN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2007ChevroletSilverado 3500 ClassicN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2007GMCSierra 2500 HD ClassicN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2007GMCSierra 3500 ClassicN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006ChevroletAvalanche 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006ChevroletSilverado 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006ChevroletSilverado 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006ChevroletSuburban 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006GMCSierra 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006GMCSierra 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2006GMCYukon XL 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005ChevroletAvalanche 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005ChevroletSilverado 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005ChevroletSilverado 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005ChevroletSuburban 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005GMCSierra 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005GMCSierra 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2005GMCYukon XL 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletAvalanche 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletAvalanche 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletSilverado 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletSilverado 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletSilverado 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletSilverado 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletSuburban 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletSuburban 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004ChevroletTahoeN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCSierra 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCSierra 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCSierra 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCSierra 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCYukonN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCYukon XL 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2004GMCYukon XL 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletAvalanche 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletAvalanche 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletSilverado 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletSilverado 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletSilverado 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletSilverado 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletSuburban 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletSuburban 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003ChevroletTahoeN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCSierra 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCSierra 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCSierra 2500 HDN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCSierra 3500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCYukonN/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCYukon XL 1500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
2003GMCYukon XL 2500N/Aw/RPO Code NP1 (2 Speed, Electronic Shift, Transfer Case)
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
SKP — SK901053Standard Ignition — TCA-501S1100315136040FWD42SW8267