2008 GMC Sierra 3500 HD Trailer Towing Relays

Your 2008 GMC Sierra 3500 HD might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Trailer Towing Relays you desperately need.

We currently carry 2 Trailer Towing Relays to choose from for your 2008 GMC Sierra 3500 HD, and our inventory prices range from as little as $55.99 up to $84.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Trailer Towing Relays for the 2008 GMC Sierra 3500 HD. We only sell parts from trusted brands like GM Genuine Parts so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Trailer Towing Relays stock in-person!

Trailer Towing Relays for Your 2008 GMC Sierra 3500 HD

GM Genuine Parts – Trailer Brake Continue Relay Assembly (Part No.20904439)

Trailer Brake Continue Relay Assembly

from

$84.99
GM Genuine Parts Trailer Tow Relays are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These relays function as an electro-mechanical switch containing a coil and set of connection points. These trailer tow relays provide a variety of control functions for a vehicle’s trailer brake system. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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Carquest Premium – Trailer Tow Relay (Part No.RAA2608)

Trailer Tow Relay

from

$55.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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FAQs for 2008 GMC Sierra 3500 HD Trailer Towing Relays

What are the most popular Trailer Towing Relays for the 2008 GMC Sierra 3500 HD?

With 2 brands you can trust, our most popular Trailer Towing Relays for the 2008 GMC Sierra 3500 HD parts are:
Trailer Brake Continue Relay Assembly
from $84.99
This product is not rated
Trailer Brake Continue Relay Assembly
Trailer Towing Relays
Trailer Tow Relay
from $55.99
This product is not rated
Trailer Tow Relay
Trailer Towing Relays