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Home arrow Accessories arrow Posi-Lok Vac Shift Motor




  

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Posi-Lok Replace your failing factory vacuum shift motor E-mail

No Hubs-No Problem!

4wd on the Fly!

Replace failing factory vacuum shift motor to your front differential

Weather off-road, on the farm, recreational towing or hard at work, the Posi-Lok will get you there and back! Want to end your "My 4-wheel drive isn't workingposilok9_large.jpg again" scenarios! This 4x4 Posi-Lok replaces the failure-prone vacuum or electric front axle engagement systems with a simple and easy to install driver-operated manual cable system. After engaging you transfer case this unit works with both the manual-lever or electronic-push button type transfer cases, a one inch pull of the cable and your front axle is positively engaged. You can engage the front axle while sitting still or on the fly! This system acts hubs without having to get out and lock them in. Now that you know a little more about our 4x4 Posi-Lok, continue reading to learn why this cost effective system should be installed on your vehicle.

The following are just a few of the situations you will never have to experience once your Chevy, Dodge or Jeep is equipped with a 4x4 Posi-Lok.

It's 10 below zero, 18" of fresh powder and your 20 miles from home. You push the transfer case lever on your Chevy K2500 into 4-LO, the light comes on the dash and you are off-the road, that is. You're front wheels just aren't pulling and your rear wheels won't stop spinning. Let's hope the cell phone works better than your factory 4 wheel drive engagement system.

Or...Off to the next construction site. You back up your one-ton Dodge Ram to the trailer with the bobcat and loader on it. Engage the transfer case lever and you off...off schedule, that is! You're digging a ditch with your rear wheels and not going very far. What a time for the vacuum actuator on the front axle to fail. These are real world situations that you don't want to be caught in. 4x4 Posi-lok will insure you of front axle engagement every time you need it. Whether you use a Chevy, Dodge, GMC or Jeep for fun or for work, hardly ever use four wheel drive or can't live without it, our proven product will get you there and back.  pdf posi lock troubleshoot guide is avaialbe to assist you.


Original Equipment Manufacture (OEM) Thermal Linear Actuator (TLA) Disadvantages   Original Equipment Manufacture (OEM) Vacuum Actuator Disadvantages
  • The OEM unit may take from "5 seconds to never" to give you 4 wheel drive.
  • The OEM unit is temperature controlled. The colder the temperature, the longer it may take to lock-up. If the unit becomes submerged, it will cool the unit and you may lose your 4 wheel drive.
  • OEM is electronically controlled and may disengage when ignition is turned off.
  • The OEM unit has demonstrated a high rate of failure, is non-repairable and may cause other electrical problems.
  • The OEM unit can cause excessive wear and right axle breakage.
 
  • The OEM unit may take from "5 seconds to never" to give you 4 wheel drive.
  • The OEM is vacuum controlled. This vacuum system was prone to failure due to frozen diaphragm, loss of vacuum, hard or cracked vacuum hoses, or complete loss of vacuum lines.
  • The OEM unit has demonstrated a high rate of failure, is non-reparable and may cause other problems.
  • The OEM unit can cause excessive wear and right axle breakage

4x4 Posi-L ok gives you full and instant control for true shift-on-the fly with all of these advantages:
  • Works like hubs with full control from inside cab without stopping.
  • Positive manual control which is not prone to failure like electric or vacuum actuators.
  • Reduces front differential wear and right axle breakage.
  • Will not disengage when ignition is turned off or submerged.
 
  • Compatible with manual or electric transfer case
  • "T" handle visible only in the locked position.
  • The complete installation takes about one to two hours with common hand tools.
  • Disengage Posi-Lok while in 4wd low range to eliminate steering bind, in effect giving you the benefits of 2wd low range.

Part Number Application      
900

Jeep


1984-95-Wrangler YJ 1984-95-Cherokee XJ 1986-91 Comanche MJ Note: with Dana 30 axle
Replaces your old failing vacuum shift motor with the rugged Posi-Lok. This manually controlled shifter insures instant 4wd engagement. Works great with lockers

Your Cost $231.58
 
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920

Jeep

1987-1995 Wrangler YJ
1984-1991 Cherokee XJ
1986-1991 Comanche MJ
Note: With Dana 30 Central Axle Disconnect (CAD); lifted applications over 3"

Your Cost $239.58

New cast aluminum housing for the central axle disconnect system
Heavy-duty cable system to replace the faulty OE vacuum system
Easy to follow instructions
Complete wiring system to ensure the 4WD dash indicator light functions properly
Discreet dash mounting system
920 Kit includes a longer cable for lifted applications

   
400

Dodge

1994-2002 Dodge Ram 1500 w/ Dana 44-60

1994-2002 Ram 2500, 3500 w/ Dana 44-60

Note: With Central Axle Disconnect (CAD)

Rugged Posi-Lok solves the challenge of vacuum based shifters from both gas and diesel engines. This manually controlled shifter insures instant 4wd engagement

Your Cost $231.58
 
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 450

Dodge
 W-Series Pickup, Ramcharger, Trailduster w/Dana 44 Note: with central-axle disconnect axles Rugged Posi-Lok solves the challenge of vacuum based shifters from both gas and diesel engines. This manually controlled shifter insures instant 4wd engagement

Your Cost $231.58
   posiloc_450.jpg
500 Chevy GMC 1983-03 S-10/S-15 Sonoma Pickup & Jimmy Note: with vacuum actuator. Reliable Posi-Lok eliminates vacuum failures, This manually controlled shifter offers instant control on the fly.

Your Cost $231.58
 
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600 Chevy GMC 1988-98 GM K 1500 & 2500 6 Lug---1988-97 Blazer & Jimmy 6 Lug --1992 -99 Suburban, Tahoe, Yukon 6 Lug

Your Cost $231.58

   
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750 Ford 1997-2003 F-150 4WD Your Cost $231.58  
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800 Chevy GMC 1988-98 K 2500 & 3500 8 Lug--1992 -99 Suburban 8 Lug Your Cost $231.58  
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Chevy PL1000 1988-1998 1500, 2500 Pickup 6 Lug
1992-1998
Suburban, Tahoe, Yukon 6 Lug
1988-1998 2500, 3500 Pickup 8 Lug
1992-1998
Suburban 8Lug
Note: With Thermal Linear Actuator (TLA)

Your Cost $93.58

The Perm-Lok permanently engages the Central Axle Disconnect (CAD) system and couples both front axles. Once installed, the front axles will not pull until the transfer case is engaged.

 
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Dodge PL1100 1994-2001 Ram 1500 w/ Dana 44-60
1994-2002 Ram 2500, 3500 w/ Dana 44-60
1985-1993 W-Series Pickup, Ramcharger, Trailduster

Your Cost $93.58

The Perm-Lok permanently engages the Central Axle Disconnect (CAD) system and couples both front axles permanently. Once installed, the front axles will not pull until the transfer case in engaged.

 
posilockit1100.jpg
Dodge PL100 1994-2001 Ram 1500 w/ Dana 44-60
1994-2002 Ram 2500, 3500 w/ Dana 44-60
1985-1993 W-Series Pickup, Ramcharger, Trailduster

Your Cost $65.58

Cast Iron Fork
Heavy-duty, cast iron fork with pads
Replaces your old worn out fork and pads on Dodge applications

   
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Shipping and handling charges will be added.


In addition to Posi-Lok's for Chevrolet, GMC, Dodge and Jeepst we offer free technical support to assist you in solving your automotive problems as well as a large list of the following products to improve your vehicles performance, economy and apperance.

 
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