Welcome Guest
SHOP BY CATEGORY
SHOP BY BRAND
SHOP BY VEHICLE
Sales Support 877-474-4821
877-260-5452
Call Our Stateside Experts!
Dual Battery Isolator Painless Wiring/Powermaster Dual Battery Isolator
Dual Battery Isolator Painless Wiring/Powermaster On Sale
3 Product Groups
Switch to View Products
Painless Performance Dual Battery Control Systems
Painless Wiring 250 Amp Waterproof Dual Battery Current Control SystemFrom $161.73
- A three position switch enables different power combinations
- Minimal alterations to the stock charging system are necessary
- California Residents: WARNING
From $161.73
Painless Performance Remote Solenoid Kits
Painless Wiring Solenoid KitFrom $99.99
- 250 Amp Solenoid
- Ideal For Dual Battery Set Ups
- Ideal For Ultra Heavy Duty Starter Solenoid
- California Residents: WARNING
From $99.99
4.0
4.0
(1)
Powermaster Battery Isolators
Powermaster Battery IsolatorFrom $186.99
- Battery Isolator
- Max Alternator Output At 140 and 200 Amps
- California Residents: WARNING
From $186.99
4 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
Painless Wiring 250 AMP Dual Battery Control - 40102
- Fitment: Universal Fit
- 3 position switch for different power combinations
- Minimal alterations to the stock charging system are necessary
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$161.73
$314.95
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
$161.73
$314.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- 3 position switch for different power combinations
- Minimal alterations to the stock charging system are necessary
- 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
Painless Wiring 250 AMP Waterproof Dual Battery Control - 40103
- Fitment: Universal Fit
- A three position switch enables different power combinations
- Minimal alterations to the stock charging system are necessary
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$170.82
$409.95
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
$170.82
$409.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- A three position switch enables different power combinations
- Minimal alterations to the stock charging system are necessary
- 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
Painless Wiring Replacememt Solenoid - 40112
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
- 250 Amp Solenoid
- Ideal For Dual Battery Set Ups
- Ideal For Ultra Heavy Duty Starter Solenoid
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$99.99
$208.95
In-Stock Ships next business day ?
$99.99
$208.95
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
- 250 Amp Solenoid
- Ideal For Dual Battery Set Ups
- Ideal For Ultra Heavy Duty Starter 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
Powermaster Battery Isolator - 906
- Fitment: Universal Fit
- Battery Isolator
- Delco CS Series Application
- 140 Amps
- 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
$186.99
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
$186.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Battery Isolator
- Delco CS Series Application
- 140 Amps
- 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
