Welcome Guest
SHOP BY CATEGORY
SHOP BY BRAND
SHOP BY VEHICLE
Sales Support 877-474-4821
877-260-5452
Call Our Stateside Experts!
Universal Fit Differential Air System Switch Differential Air System Switch
Universal Fit Differential Air System Switch On Sale
10 Product Groups
Switch to View Products
ARB Air Locker Solenoids
ARB 4x4 Accessories Solenoid ValveFrom $173.00
- Maximum PSI rating is 145 pounds
- New style
- California Residents: WARNING
From $173.00
5.0
5.0
(4)
SPOD Adapter Harness for ARB Compressor
SPOD Adapter Harness for ARB CompressorFrom $19.15
- Universal application
- For use with ARB compressor
- Utilizes sPOD switches and source
- Controls the compressor and front and rear lockers
- California Residents: WARNING
From $19.15
Russell Performance Front 5' ARB Line
Russell Performance Front 5' ARB LineFrom $64.99
- ARB hose kits replace OEM plastic lines
- ARB hoses will NOT pinch in tight bends
- Lines offer greater durability over plastic hoses
- Locker fittings are included
- California Residents: WARNING
From $64.99
Dana Spicer Axle Locker Sensor
Dana Spicer Axle Locker SensorFrom $75.99
- Tells you if your locker is fully engaged
- California Residents: WARNING
From $75.99
Crown Automotive Axle Locker Sensor
Crown Automotive Axle Locker SensorFrom $13.99
- Front or rear
- Factory replacement part
- For over 50 years, Crown Automotive has been the leading manufacturer and distributor of replacement parts for Jeep vehicles
- California Residents: WARNING
From $13.99
5.0
5.0
(2)
Yukon Gear & Axle Trac Loc Positraction Differentials
Yukon Gear & Axle Trac Loc Positraction DifferentialsFrom $61.89
- Available for different makes and models
- Available in different gear ratios
- Built with high strength and with tight tolerances
- Gears are cut to provide the strongest teeth possible in any terrain
From $61.89
Yukon Gear & Axle Locker Solenoid Valves
Yukon Gear & Axle Locker Solenoid ValvesFrom $91.89
- Solenoid valve
- Port 1 = Connects to the Air Supply / Compressor
- Port 2 = Connects to the locker
- Port 3 = Exhaust port - located in the center of the solenoid
From $91.89
Yukon Gear & Axle Differential Locker Switches
Yukon Gear & Axle Differential Locker SwitchesFrom $15.89
- Switch
- Sold individually
From $15.89
5.0
5.0
(1)
Auburn Gear Differential Coils and Coil Bearings
Auburn Gear Differential Coils and Coil BearingsFrom $169.99
From $169.99
12 Products
Switch to View Product Groups
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Crown Automotive Axle Locker Sensor Connector - 68003570AA
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Front or rear axles
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$13.99
Only 1 left in Stock ?
$13.99
Only 1 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Front or rear axles
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Yukon Dana/Chrysler Power Lok Button Kit - YSPXP-062
- Fitment: Universal Fit
- Dana Spicer 30 & 44
- Chrysler 8.75"
- Powr Lok button kit
- 1 year warranty against manufacturer defects
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Qualifies for Free Shipping on Orders Over $99
$61.89
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$61.89
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Dana Spicer 30 & 44
- Chrysler 8.75"
- Powr Lok button kit
- 1 year warranty against manufacturer defects
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Yukon Zip Locker Soleniod Valve - YZLASV-01
- Fitment: Universal Fit
- Solenoid valve
- Port 1 = Connects to the Air Supply / Compressor
- Port 2 = Connects to the locker
- Port 3 = Exhaust port - located in the center of the solenoid
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$91.89
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$91.89
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Solenoid valve
- Port 1 = Connects to the Air Supply / Compressor
- Port 2 = Connects to the locker
- Port 3 = Exhaust port - located in the center of the solenoid
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Yukon Zip Locker Switch - YZLASW-01
- Fitment: Universal Fit
- Switch
- Sold individually
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$15.89
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$15.89
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Switch
- Sold individually
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Russell Performance Front 5' ARB Line - 634510
- Fitment: Universal Fit
- 5 feet of line for front locker applications
- ARB hose kits replace OEM plastic lines
- ARB hoses will NOT pinch in tight bends
- Lines offer greater durability over plastic hoses
- Locker fittings are included
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$64.99
$60.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$64.99
$60.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- 5 feet of line for front locker applications
- ARB hose kits replace OEM plastic lines
- ARB hoses will NOT pinch in tight bends
- Lines offer greater durability over plastic hoses
- Locker fittings are included
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Russell Performance Rear 12' ARB Line - 634520
- Fitment: Universal Fit
- 12 feet of line for rear locker applications
- ARB hose kits replace OEM plastic lines
- ARB hoses will NOT pinch in tight bends
- Lines offer greater durability over plastic hoses
- Locker fittings are included
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$88.99
$83.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$88.99
$83.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- 12 feet of line for rear locker applications
- ARB hose kits replace OEM plastic lines
- ARB hoses will NOT pinch in tight bends
- Lines offer greater durability over plastic hoses
- Locker fittings are included
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Crown Automotive Axle Locker Sensor - 68003569AA
- Fitment: Universal Fit
- Axle Locker Sensor
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$69.99
$66.00
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$69.99
$66.00
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Axle Locker Sensor
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
ARB Air Locker Accessory Pack - ALAP2
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- ARB air locker accessory pack
- Includes pressure supply kit with 6mm black hose
- Replacement front/rear locker switches
- Replacement nipple solenoid
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$173.00
In-Stock Ships next business day ?
$173.00
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- ARB air locker accessory pack
- Includes pressure supply kit with 6mm black hose
- Replacement front/rear locker switches
- Replacement nipple solenoid
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Dana Spicer Axle Locker Sensor - 2004882
- Fitment: Universal Fit
- 2 and 4-door models
- Tells you if your locker is fully engaged
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$75.99
$88.30
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$75.99
$88.30
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- 2 and 4-door models
- Tells you if your locker is fully engaged
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Auburn Gear Differential Coil Assembly - 541052
- Fitment: Universal Fit
- Backed By 1 Year Warranty Made In The USA
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$189.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$189.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Backed By 1 Year Warranty Made In The USA
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Auburn Gear Differential Coil Assembly - 541063
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Backed By 1 Year Warranty Made In The USA
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$169.99
Only 1 left in Stock ?
$169.99
Only 1 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 1 left in Stock ?- Fitment: Universal Fit
- Backed By 1 Year Warranty Made In The USA
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
SPOD Adapter Harness for ARB Compressor - 300-ARB
- Fitment: Universal Fit
- Universal application
- For use with ARB compressor
- Utilizes sPOD switches and source
- Controls the compressor and front and rear lockers
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$19.15
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$19.15
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Universal application
- For use with ARB compressor
- Utilizes sPOD switches and source
- Controls the compressor and front and rear lockers
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
