Loading...

Shop Parts New Arrivals Deals Track Order Help

OEM and aftermarket auto parts, shipped fast, with fitment you can trust.

Get deals & new arrivals in your inbox

Shop

All Categories
Shop by Brand
Track Order
View Cart

Customer Service

Order Status & Tracking
Contact Us

Company

About Us
Return Policy
Terms of Service
Privacy Policy
Shipping Policy
Delivery Policy

Account

My Account
Order History
Wishlist

Popular Categories

172517
177697
177698
177699
262076
262156

Popular Brands

Aceon Auto Parts

Shop

All Categories
Shop by Brand
Track Order
View Cart

Customer Service

Order Status & Tracking
Contact Us

Company

About Us
Return Policy
Terms of Service
Privacy Policy
Shipping Policy
Delivery Policy

Account

My Account
Order History
Wishlist

Popular Categories

172517
177697
177698
177699
262076
262156

Popular Brands

Aceon Auto Parts

© 2026 123AutoParts. All rights reserved.

VISAMastercardAMEXDISCOVERApple Payshop Pay

Home
Shop By Category
Door Window Switch
Fits GMC K2500 Headlight Dimmer Switch Standard DS77T 1990

Fits GMC K2500 Headlight Dimmer Switch Standard DS77T 1990

Fits GMC K2500 Headlight Dimmer Switch Standard DS77T 1990

Part #: C521XQ

SKU: 279|C521XQ

$23.09

In Stock (1 available)

Qty

Description

Brand	Standard
Type	Dimmer Switch
Quantity	1
OE/OEM Part Number	3239703,
Manufacturer Warranty	Lifetime
Manufacturer Part Number	C521XQ
CS-SKU	279\|C521XQ
Years	1977, 1979-1982, 1984-2002

More From This Category

Standard Headlight Switch for Ford E-350 Super Duty 1999 7.3L V8 Diesel

Standard Headlight Switch for Ford E-350 Super Duty 1999 7.3L V8 Diesel

Part #: R22N2F

$32.25

Standard Headlight Switch for Ford Econoline Super Duty 1999 6.8L V10 GAS

Standard Headlight Switch for Ford Econoline Super Duty 1999 6.8L V10 GAS

Part #: OOGOAF

$32.29

Standard Headlight Switch for Ford Econoline Super Duty 1999 7.3L V8 Diesel

Standard Headlight Switch for Ford Econoline Super Duty 1999 7.3L V8 Diesel

Part #: NEG8F0

$32.30

Standard Headlight Switch for Ford Econoline Super Duty 1999 5.4L V8

Standard Headlight Switch for Ford Econoline Super Duty 1999 5.4L V8

Part #: 3ZYBTR

$32.29

Standard Headlight Switch for Ford Mustang 1999 3.8L V6 GAS

Standard Headlight Switch for Ford Mustang 1999 3.8L V6 GAS

Part #: WLLETR

$32.29

Standard Headlight Switch for Ford Mustang 1999 4.6L V8 GAS

Standard Headlight Switch for Ford Mustang 1999 4.6L V8 GAS

Part #: CMLPUH

$32.27

Standard Headlight Switch for Ford Club Wagon 1998 5.4L V8 GAS

Standard Headlight Switch for Ford Club Wagon 1998 5.4L V8 GAS

Part #: OOLCA8

$32.24

Standard Headlight Switch for Ford E-150 Econoline 1998 4.2L V6 GAS

Standard Headlight Switch for Ford E-150 Econoline 1998 4.2L V6 GAS

Part #: X7776Z

$32.26

No reviews yet for this product.