GMC Sierra 1500 HD Transmission Connectors

Your One-Stop Shop For Trusted GMC Sierra 1500 HD Transmission Connectors

If you’re in search of GMC Sierra 1500 HD Transmission Connectors aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 8 Transmission Connectors from top brands with prices ranging from $8.99 to $61.99.

Beyond great prices, we stock trusted brands manufacturing all types of Transmission Connectors for your GMC Sierra 1500 HD. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Dorman and Imperial.

And don’t forget to read customer reviews across all Transmission Connectors categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Transmission Connectors have to cost top dollar, and we prove it. Browse our top GMC Sierra 1500 HD Transmission Connectors below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC Sierra 1500 HD Transmission Connectors

Imperial – Transmission Fitting Kit (Part No.240397)

Transmission Fitting Kit

from

$27.49
Product Features:
  • Transmission line fitting kit
  • GM snap-in-style lines
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Precision machined
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Dorman – Transmission Line Connector With 3/8 Tube X 3/8-18In. Thread (Part No.800-606)

Transmission Line Connector With 3/8 Tube X 3/8-18In. Thread

from

$12.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Dorman – Transmission Fitting (Part No.800-727)

Transmission Fitting

from

$10.49
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Dorman – Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread (Part No.800-604)

Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread

from

$8.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Imperial – Transmission Line Fitting Kit (Part No.240390)

Transmission Line Fitting Kit

from

$14.79
Product Features:
  • Transmission line fitting kit
  • GM, Jeep; 5/8″-18 inverted flare
  • Helps simplify transmission cooler installation
  • Allows for auxiliary transmission cooler installation without cutting OE lines
  • Crafted from high-quality material that makes it durable and longer-lasting
  • A high quality, direct fit OE replacement
  • Easily connects the transmission cooler line to the cooler hose
  • Coated for extra protection against corrosion
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Dorman – Transmission Line Connector – 3/8 in OD Tube x 9/16-18 UNF Thread (Part No.800-619)

Transmission Line Connector - 3/8 in OD Tube x 9/16-18 UNF Thread

from

$8.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Dorman – Transmission Line Connector (Part No.800-759)

Transmission Line Connector

from

$13.79
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
See More

Imperial – Oil Cooler Acc (Part No.240380)

Oil Cooler Acc

from

$61.99
Oil Cooler Acc

Transmission Connectors Brands You Can Trust For Your GMC Sierra 1500 HD

2 trusted brands of Transmission Connectors line our shelves, ready to help keep your GMC Sierra 1500 HD running smooth. Below are some of the most popular brands and their top Transmission Connectors offerings:

Popular Imperial Transmission Connectors

Imperial products for the GMC Sierra 1500 HD span several categories. Some of the highest-rated Imperial Transmission Connectors that will fit your GMC Sierra 1500 HD are:
Transmission Fitting Kit
from $27.49
(2)
Transmission Fitting Kit
Automatic Transmission Line Connectors
Transmission Line Fitting Kit
from $14.79
(6)
Transmission Line Fitting Kit
Automatic Transmission Line Connectors

Most Purchased GMC Sierra 1500 HD Transmission Connectors from Dorman

When you buy the most frequently purchased Dorman brand Transmission Connectors, you can be confident it will be the right part for your GMC Sierra 1500 HD. Here are the Dorman Transmission Connectors Advanced Auto customers buy the most:
Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread
from $8.99
(9)
Transmission Line Connector With 3/8 Tube X 1/4-18 In. Thread
Automatic Transmission Line Connectors
Transmission Line Connector - 3/8 in OD Tube x 9/16-18 UNF Thread
from $8.99
(5)
Transmission Line Connector – 3/8 in OD Tube x 9/16-18 UNF Thread
Automatic Transmission Line Connectors
Transmission Line Fitting Kit
from $14.79
(6)
Transmission Line Fitting Kit
Automatic Transmission Line Connectors

FAQs for GMC Sierra 1500 HD Transmission Connectors

What are the most purchased Transmission Connectors for the GMC Sierra 1500 HD?

Out of 8 Transmission Connectors for the GMC Sierra 1500 HD, the most popular in our inventory are:
Transmission Fitting
from $10.49
This product is not rated
Transmission Fitting
Automatic Transmission Line Connectors
Transmission Line Connector With 3/8 Tube X 3/8-18In. Thread
from $12.49
This product is not rated
Transmission Line Connector With 3/8 Tube X 3/8-18In. Thread
Automatic Transmission Line Connectors
Transmission Line Connector
from $13.79
This product is not rated
Transmission Line Connector
Automatic Transmission Line Connectors