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Undercover Tonneau Covers/VIAIR Undercover Tonneau Covers
Undercover Tonneau Covers/VIAIR On Sale
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VIAIR Relays
VIAIR RelaysFrom $26.99
- Relays with mounting tabs
- Power-up relay removes the load from pressure switches
- Each compressor must have its own relay for a proper installation
- Mounting tabs for relay
From $26.99
VIAIR Gauges and Dash Panel Gauge Sets
VIAIR Gauges and Dash Panel Gauge SetsFrom $10.99
- Easy to read face
- Single or Dual Needle options
- California Residents: WARNING
From $10.99
1306 Products
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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!
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Undercover Triad Tonneau Cover - TR26029
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Direct Fit
- 5.7 ft bed length
- Fashionable matte black panels
- Easy on and off" functionality
- Integrated perimeter and corner seals
- Dual hinge seals
- 2 secure riding positions - Fully closed or 2/3 access position
- 3-year warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$849.99
$1,019.00
Only 2 left in Stock ?
$849.99
$1,019.00
Only 2 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 2 left in Stock ?- Fitment: Direct Fit
- 5.7 ft bed length
- Fashionable matte black panels
- Easy on and off" functionality
- Integrated perimeter and corner seals
- Dual hinge seals
- 2 secure riding positions - Fully closed or 2/3 access position
- 3-year warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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!
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Reset Password
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UnderCover Ultra Flex Tonneau Cover - UX22029
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Direct Fit
- 5'5" bed length
- Aluminum top skin construction
- UV and dent resistance
- Premium density foam core
- Premium matte black finish
- 400lb weight rating
- 5 year warranty
- Low profile flush fit
- Premium carpeted under panel
- Multiplr riding positions
- Integrated rail tube light
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$1,199.99
$1,253.80
In-Stock Ships next business day ?
$1,199.99
$1,253.80
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: Direct Fit
- 5'5" bed length
- Aluminum top skin construction
- UV and dent resistance
- Premium density foam core
- Premium matte black finish
- 400lb weight rating
- 5 year warranty
- Low profile flush fit
- Premium carpeted under panel
- Multiplr riding positions
- Integrated rail tube light
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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.
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VIAIR 450PA Automatic Portable Air Compressor Kit - 45043
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
- 12-volt
- Duty cycle = 100% @ 100 PSI
- Max working pressure: 150 PSI
- Max Amp Draw: 19 Amps
- Dimensions: 12.5 inch L x 6 inch W x 7.25 inch H
- Automatic Shut-Off Function
- Vibration-resistant diamond plate sand tray
- Dual battery clamps with 40-amp inline fuse holder
- 25 feet of air hose
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$349.95
$444.95
In-Stock Ships next business day ?
$349.95
$444.95
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
- 12-volt
- Duty cycle = 100% @ 100 PSI
- Max working pressure: 150 PSI
- Max Amp Draw: 19 Amps
- Dimensions: 12.5 inch L x 6 inch W x 7.25 inch H
- Automatic Shut-Off Function
- Vibration-resistant diamond plate sand tray
- Dual battery clamps with 40-amp inline fuse holder
- 25 feet of air hose
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
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Add to Wishlist
UnderCover ArmorFlex Tonneau Cover - AX12024
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Direct Fit
- 6.9ft bed
- Line-X coating of the top panel
- Provides superior scratch and dent resistance
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- SaddleBag storage provides extra organization
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- California Residents:WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$1,149.99
$1,361.40
In-Stock Ships next business day ?
$1,149.99
$1,361.40
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: Direct Fit
- 6.9ft bed
- Line-X coating of the top panel
- Provides superior scratch and dent resistance
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- SaddleBag storage provides extra organization
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- California Residents:WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
UnderCover ArmorFlex Tonneau Cover - AX42017
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 3 left in Stock ?- Fitment: Direct Fit
- 5'7" bed
- Will not fit with Trail Special Edition bed storage boxes
- Heavy-duty panels with premium-grade LINE-X coating
- Low-profile design with stylish matte black appearance
- Dual action tailgate seal
- Automatic latching panels
- Will fit with or without deck rail system
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$1,199.99
$1,384.80
Only 3 left in Stock ?
$1,199.99
$1,384.80
Only 3 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 3 left in Stock ?- Fitment: Direct Fit
- 5'7" bed
- Will not fit with Trail Special Edition bed storage boxes
- Heavy-duty panels with premium-grade LINE-X coating
- Low-profile design with stylish matte black appearance
- Dual action tailgate seal
- Automatic latching panels
- Will fit with or without deck rail system
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
UnderCover Ultra Flex Tonneau Cover - UX22019
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Direct Fit
- 5 ft 6 inch Bed
- Black
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$1,199.99
$1,253.80
In-Stock Ships next business day ?
$1,199.99
$1,253.80
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: Direct Fit
- 5 ft 6 inch Bed
- Black
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
UnderCover Ultra Flex Tonneau Cover - UX12019
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Direct Fit
- 6 ft 6 inch Bed
- Black
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$1,199.99
$1,253.80
Only 4 left in Stock ?
$1,199.99
$1,253.80
Only 4 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 4 left in Stock ?- Fitment: Direct Fit
- 6 ft 6 inch Bed
- Black
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
UnderCover Ultra Flex Tonneau Cover - UX42014
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Direct Fit
- 5 ft Bed
- Black
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- Note: Tie down cleats not usable with cover installed
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
$1,199.99
$1,253.80
In-Stock Ships next business day ?
$1,199.99
$1,253.80
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: Direct Fit
- 5 ft Bed
- Black
- Hard folding truck bed cover
- Stylish matte black finish
- High density aircraft grade aluminum
- Ultra low-profile design
- Carpeted underpanels provide a finished OEM look
- Luminous bed lighting system
- Dual action tailgate seal
- Automatic latching panels
- Weather resistant
- No-drill installation
- Made in the USA
- 5-Year Warranty
- Note: Tie down cleats not usable with cover installed
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
VIAIR 400PA Automatic Portable Air Compressor Kit - 40045
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
- 12-volt
- Duty cycle = 33% @ 100 PSI
- Max working pressure: 150 PSI
- Max Amp Draw: 26 Amps
- Dimensions = 11.25 inch L x 4 inch W x 7 inch H
- Automatic Shut-Off Function
- Vibration-resistant diamond plate sand tray
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$299.95
$369.95
In-Stock Ships next business day ?
$299.95
$369.95
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
- 12-volt
- Duty cycle = 33% @ 100 PSI
- Max working pressure: 150 PSI
- Max Amp Draw: 26 Amps
- Dimensions = 11.25 inch L x 4 inch W x 7 inch H
- Automatic Shut-Off Function
- Vibration-resistant diamond plate sand tray
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
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
VIAIR 400P Portable Compressor Kit - 40043
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
- Fill 35 inch tires from 15 to 30 PSI in just over two minutes
- 150 PSI / 2.30 CFM
- 12-Volt
- Duty cycle: 33% @ 100 PSI
- Dimensions: 10.87" L x 5.83" W x 7.48" H
- Max 12V amp draw: 30 amps
- Power cord length: 8 ft
- Air hose length: 25 ft
- Kit includes: compressor, 8 foot power cord with battery clamps, 35 inch coiled hose and a water resistant double compartment carrying bag
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
Qualifies for Free Shipping
$239.95
$295.95
In-Stock Ships next business day ?
$239.95
$295.95
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
- Fill 35 inch tires from 15 to 30 PSI in just over two minutes
- 150 PSI / 2.30 CFM
- 12-Volt
- Duty cycle: 33% @ 100 PSI
- Dimensions: 10.87" L x 5.83" W x 7.48" H
- Max 12V amp draw: 30 amps
- Power cord length: 8 ft
- Air hose length: 25 ft
- Kit includes: compressor, 8 foot power cord with battery clamps, 35 inch coiled hose and a water resistant double compartment carrying bag
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - 4th Of July Sale Weekend At 4WP!
Lowest Price! Guaranteed! Request A Price Match
