View By Product GroupSwitch to View Product Groups
View By Individual ItemsSwitch to View Products

Headlight Relay

Make Sure It Fits Your Vehicle

3 Product Groups

Switch to View Products

SORT BY

Painless Wiring High Beam Headlight Relay Kit

From $24.99

Heavy duty weatherproof 40 Amp relay
Weatherproof relay base with wire harness
Crimp terminals
Includes all necessary mounting hardware
California Residents: WARNING

From $24.99

5.0 5.0 (9)

Omix-ADA Relays

Omix-Ada Relay

From $8.99

Relay
California Residents: WARNING

From $8.99

Painless Wiring H4 Headlight Relay

From $109.99

Two 40 Amp weatherproof relays
Two weatherproof relay bases with wiring harness
TXL high temp wire
Weatherproof 30 Amp fuse
Capable of handling up to 150 Watts
Will not work on Toyota vehicles
California Residents: WARNING

From $109.99

5.0 5.0 (1)

9 Products

Switch to View Product Groups

SORT BY

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring High Beam Headlight Relay Kit - 30802

Part Number: PWP30802

Painless Wiring High Beam Headlight Relay Kit - 30802

5.0 5.0 (3)

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

In-Stock Ships today ?

Fitment: Direct Fit
High Beam Headlight Relay Kit
For Use With or Without Low-Beam Daytime Running Lights
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$24.99

$56.95

In-Stock Ships today ?

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring High Beam Headlight Relay Kit - 30802

Part #: PWP30802

5.0 5.0 (3)

$24.99

$56.95

In-Stock Ships today ?

+ Add to Wishlist

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 today ?

Fitment: Direct Fit
High Beam Headlight Relay Kit
For Use With or Without Low-Beam Daytime Running Lights
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring High Beam Headlight Relay Kit - 30821

Part Number: PWP30821

Painless Wiring High Beam Headlight Relay Kit - 30821

5.0 5.0 (2)

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
High Beam Headlight Relay Kit
For Use With Purple And Yellow Head-Light Wires
If Head-Light Wires Are Tan And Green Use PN[30802]
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$36.99

$88.95

Only 3 left in Stock ?

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring High Beam Headlight Relay Kit - 30821

Part #: PWP30821

5.0 5.0 (2)

$36.99

$88.95

Only 3 left in Stock ?

+ Add to Wishlist

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
High Beam Headlight Relay Kit
For Use With Purple And Yellow Head-Light Wires
If Head-Light Wires Are Tan And Green Use PN[30802]
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring High Beam Headlight Relay Kit - 30822

Part Number: PWP30822

Painless Wiring High Beam Headlight Relay Kit - 30822

5.0 5.0 (4)

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
High Beam Headlight Relay Kit
Increase the intensity and improve the spread pattern by keeping all four lights on when in high beam mode.
Easy 10 minute installation.
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$36.99

$99.95

Only 2 left in Stock ?

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring High Beam Headlight Relay Kit - 30822

Part #: PWP30822

5.0 5.0 (4)

$36.99

$99.95

Only 2 left in Stock ?

+ Add to Wishlist

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
High Beam Headlight Relay Kit
Increase the intensity and improve the spread pattern by keeping all four lights on when in high beam mode.
Easy 10 minute installation.
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Part Number: OAI17237.02

Omix-ADA Relay - 17237.02

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Direct Fit
Operates fog lamps, headlights, rear wiper and power locks
Relay Module
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

$8.99

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Omix-ADA Relay - 17237.02

Part #: OAI17237.02

$8.99

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Direct Fit
Operates fog lamps, headlights, rear wiper and power locks
Relay Module
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring Quad H-4 Headlight Conversion Harness - 30814

Part Number: PWP30814

Painless Wiring Quad H-4 Headlight Conversion Harness - 30814

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Quad H-4 Headlight Conversion Harness
Incl. 40 Amp 2 Weatherproof Relays/2 Weatherproof Relay Bases w/Harness/Mating Connectors/ Mounting Hardware
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping

$179.99

$384.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring Quad H-4 Headlight Conversion Harness - 30814

Part #: PWP30814

$179.99

$384.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Quad H-4 Headlight Conversion Harness
Incl. 40 Amp 2 Weatherproof Relays/2 Weatherproof Relay Bases w/Harness/Mating Connectors/ Mounting Hardware
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring H-4 Headlight Relay - 30815

Part Number: PWP30815

Painless Wiring H-4 Headlight Relay - 30815

5.0 5.0 (1)

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
H-4 Headlight Relay
Will Not Work on Toyota Vehicles
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

$149.99

$311.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring H-4 Headlight Relay - 30815

Part #: PWP30815

5.0 5.0 (1)

$149.99

$311.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
H-4 Headlight Relay
Will Not Work on Toyota Vehicles
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

SHOP 4WP's HUGE SELECTION

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring H-4 Headlight Relay - 30816

Part Number: PWP30816

Painless Wiring H-4 Headlight Relay - 30816

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
H-4 Headlight Relay
with HB5 bulbs
Will Not Work on Toyota Vehicles
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$109.99

$338.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring H-4 Headlight Relay - 30816

Part #: PWP30816

$109.99

$338.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
H-4 Headlight Relay
with HB5 bulbs
Will Not Work on Toyota Vehicles
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Part Number: PWP30817

Painless Wiring Headlight Relay - 30817

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Headlight Relay
For Use with 9005 And 9006 bulbs
Will Not Work on Toyota Vehicles
California Residents: WARNING

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$149.99

$340.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring Headlight Relay - 30817

Part #: PWP30817

$149.99

$340.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Universal Fit
Headlight Relay
For Use with 9005 And 9006 bulbs
Will Not Work on Toyota Vehicles
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

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!

No, thanks

Sign In Or Create an Account

Create An Account

Email Address

Password

Remember me

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.

Email*

Choose Your Secure Checkout Method

Email Address

Password

Remember me

Reset Password

Create An Account

First Name *:

Last Name *:

Email *:

Password *:

Must be at least 8 alphanumeric characters long and must contain at least 1 number.

Confirm Password *:

Yes, I would like to receive emails with the latest deals and specials.

Add to Wishlist

Painless Wiring High Beam Headlight Relay Kit - 30823

Part Number: PWP30823

Painless Wiring High Beam Headlight Relay Kit - 30823

Be the first to review

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Direct Fit
High Beam Headlight Relay Kit
S/T 10/15 Headlight Relay ('98 and Up)
PPP 30823
This kit will increase the intensity and improve the spread pattern by keeping all four lights on when in high beam mode.
For 1998 and later Chevy S10 and GMC T15
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

$39.99

$120.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

Painless Wiring High Beam Headlight Relay Kit - 30823

Part #: PWP30823

$39.99

$120.95

On Backorder

Email me when this product comes in stock

+ Add to Wishlist

LOW PRICE GUARANTEE

EASY RETURNS

How to Get it

Free! Curbside & In-Store Pickup: Select A Store Near You

Ship to Home:

On Backorder

Fitment: Direct Fit
High Beam Headlight Relay Kit
S/T 10/15 Headlight Relay ('98 and Up)
PPP 30823
This kit will increase the intensity and improve the spread pattern by keeping all four lights on when in high beam mode.
For 1998 and later Chevy S10 and GMC T15
California Residents: WARNING

+ View More Specs

- View Less Specs

PROMOTIONS AUTOMATICALLY APPLIED

Lowest Price! Guaranteed! Request A Price Match

Qualifies for Free Shipping on Orders Over $149.99

Item added to Cart.

VIEW CART

Headlight Relay

What Do You Drive? Select your vehicle to see product options

Headlight Relay

Make Sure It Fits Your Vehicle

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$24.99

$56.95

$24.99

$56.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$36.99

$88.95

$36.99

$88.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$36.99

$99.95

$36.99

$99.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$8.99

$8.99

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$179.99

$384.95

$179.99

$384.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$149.99

$311.95

$149.99

$311.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$109.99

$338.95

$109.99

$338.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

$149.99

$340.95

$149.99

$340.95

How to Get it

PROMOTIONS AUTOMATICALLY APPLIED

What Do You Drive?
Select your vehicle to see product options