Replaces

1999-2005 Chevy Blazer S10 Transfer Case Shift Motor (With Transfer Case Option NP8)

This part replaces:

  • HOLLANDER 420-00142
  • OE # 12474401
  • DORMAN 600-901

  • New

This new electric transfer case shift motor is a high quality, value priced, new replacement part.

If you are having problems with your 4wd not engaging because of a defective 4x4 shift motor, then this part is for you!! Why search through junk yards hoping to find a used 4x4 electric transfer case shift motor when you can have brand new! Replace that defective transfer case 4x4 shift motor now.

Specifications:

  • Replaces dealer part number: 12474401
  • Fits vehicles with the GM option code: NP8 (Transfer Case (Active) Push Button Control, 2 Spd)
  • Mounts on transfer case
  • 4 pin square, and 6 pin rectangle connector
  • Built to strict quality control standards
  • Replaces defective or burnt out motors
  • Fits trucks that use a four selection dash control with the following selections (2HI, 4HI, 4LO, AUTO 4WD)

Note: If you have any questions about this fitting your application, please call your local GM dealer with the above part number.

This Transfer Case Shift Motor has substantial cost savings over a dealer supplied shift motor.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

  1. Removing the Air Intake Hose (0:43)
    • Remove the 8mm bolt holding the engine cover
    • Loosen the air intake hose clamps with a flat blade screwdriver
    • Unclip the intake hose from the radiator hose
    • Pull the intake hose up and out
  2. Disconnecting the Intake Manifold (1:30)
    • Remove the 8mm bolts
    • Disconnect the harnesses by pulling up on the tab
    • Pry the vacuum hose free
    • Remove the 10mm nuts from the throttle body
    • Lift up the bracket and pull it aside
    • Remove the 8mm bolt and the pull the bracket aside
    • Disconnect the two hose plants and harnesses
    • Remove the 10mm nut and pull the set of harnesses aside
  3. Disconnecting the Fuel Line (3:45)
    • Disconnect the eight harnesses to the fuel injector by pulling up on the tab
    • Loosen the fuel line cap
    • Covering the fuel line with a rag, push the tab on the fuel bleeder with a flat head screwdriver
    • Replace the cap
    • Remove the clip
    • Push the fuel line separator tool all the way in and pull the fuel line free
    • Clamp the vacuum hose clamp with pliers and pull it free
  4. Removing the Intake Manifold (5:20)
    • Remove the series of 10mm bolts
    • Maneuver the intake manifold past harnesses and wires and move it as far as possible
    • Feed the EGR out through the harnesses
    • Lift the intake manifold up and out
  5. Removing the Knock Sensor Harness (7:19)
    • Pry up the knock sensor harness caps
    • Push in the sides of the harness with bent needle nose pliers and pull up
  6. Installing the Knock Sensor Harness (7:50)
    • Push the new harness down into the knock sensors
    • Replace the caps
  7. Reinstalling the Intake Manifold (8:20)
    • Set the intake manifold down and pull the vacuum hose out through the other side
    • Disconnect the EGR by pulling out on the clip with a flat blade screwdriver
    • Feed the hose through the side of the intake manifold
    • Maneuver the intake manifold down and into place
  8. Reconnecting the Fuel Line (9:45)
    • Slide the hose clamp back into place using pliers
    • Line up the throttle body and reconnect it by pushing it up on the studs
    • Push the EGR valve back into place, replace the bolt, and reconnect the hose
    • Reconnect the vacuum hose into the throttle body
    • Replace the 10mm bolts
    • Replace the bracket near the back
    • Reconnect the fuel lines and replace the clips to lock them
  9. Reconnecting the Intake Manifold (13:34)
    • Torque the manifold bolts with a torque wrench
    • Start in the middle and work in a counter-clockwise pattern
    • Tighten them on the first pass to 44 inch pounds, then 89 inch pounds
    • Push the harness in and push the clip into place to reconnect the fuel injectors
  10. Reinstalling the Air Intake Hose (14:18)
    • Push the intake hose into place
    • Tighten the intake hose clamps with a flat blade screwdriver
    • Double check all the harnesses and hoses
    • Replace the engine cover with an 8mm bolt

Tools needed for replacement:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Ratchet
  • Socket Extensions
  • Torque Wrench

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket
  • 8mm Socket

  • Specialty Tools

  • Fuel Line Disconnect Tool

How-to Video:

(15:15 min)

Tools List:

    Materials, Fluids, and Supplies

  • Rust Penetrant

  • Pliers, Cutters & misc Wrenches

  • Needle nose pliers

  • Ratchets & Related

  • Ratchet
  • Socket Extensions
  • Torque Wrench

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 10mm Socket
  • 8mm Socket

  • Specialty Tools

  • Fuel Line Disconnect Tool



This part replaces:

  • HOLLANDER 420-00142
  • OE # 12474401
  • DORMAN 600-901

Vehicle Fit

  • 1999 Cadillac Escalade Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 2000 Cadillac Escalade Transfer Case Shift Motor
  • 2002 Chevy Avalanche 1500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 2002 Chevy Avalanche 2500 Transfer Case Shift Motor
  • 1999-2005 Chevy Blazer S10 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 Chevy K1500 Truck Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-2000 Chevy K2500 Truck Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2004 Chevy S10 Pickup Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2002 Chevy Silverado 1500 Transfer Case Shift Motor
  • 2001-2002 Chevy Silverado 1500 HD Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2000 Chevy Silverado 2500 Transfer Case Shift Motor
  • 2001-2002 Chevy Silverado 2500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 2001-2002 Chevy Silverado 2500 HD Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 2000-2002 Chevy Suburban 1500 Transfer Case Shift Motor
  • 2000-2002 Chevy Suburban 2500 Transfer Case Shift Motor
  • 1998-1999 Chevy Suburban K1500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 Chevy Suburban K2500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-2002 Chevy Tahoe Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2000 GMC Envoy Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2001 GMC Jimmy S-15 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 GMC K1500 Truck Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-2000 GMC K2500 Truck Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2004 GMC S-15 Sonoma Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2002 GMC Sierra 1500 Transfer Case Shift Motor
  • 2001-2002 GMC Sierra 1500 HD Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1999-2000 GMC Sierra 2500 Transfer Case Shift Motor
  • 2001-2002 GMC Sierra 2500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 2001-2002 GMC Sierra 2500 HD Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 GMC Suburban C1500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 GMC Suburban C2500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 GMC Suburban K1500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-1999 GMC Suburban K2500 Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 1998-2002 GMC Yukon Transfer Case Shift Motor (With Transfer Case Option NP8)
  • 2000-2002 GMC Yukon XL 1500 Transfer Case Shift Motor
  • 2000-2002 GMC Yukon XL 2500 Transfer Case Shift Motor
  • 2001-2002 GMC Yukon XL Denali Transfer Case Shift Motor
  • 1999-2001 Olds Bravada Transfer Case Shift Motor (With Transfer Case Option NP8)
$199.95
Save 68%
List: $626.70 Save: $426.75
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Part #: 1AFWM00002

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