2003 Chevrolet Silverado 2500 HD Heater Hose Fittings

Your 2003 Chevrolet Silverado 2500 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 Heater Hose Fittings you desperately need.

We currently carry 6 Heater Hose Fittings to choose from for your 2003 Chevrolet Silverado 2500 HD, and our inventory prices range from as little as $10.87 up to $24.49.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Heater Hose Fittings for the 2003 Chevrolet Silverado 2500 HD. We only sell parts from trusted brands like Dorman so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 741 reviews on our Heater Hose Fittings for the 2003 Chevrolet Silverado 2500 HD from previous customers.

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

Heater Hose Fittings for Your 2003 Chevrolet Silverado 2500 HD

Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409)

Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose

from

$12.49
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
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Dorman – Heater Hose Connector (Part No.800-916)

Heater Hose Connector

from

$13.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
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Gates – Quick-Lok½ Heater Hose Connector (Part No.28500)

Quick-Lok½ Heater Hose Connector

from

$19.49
Product Features:
  • Used on cars and trucks when the original quick connector fails, or the replacement hose does not include them
  • Manufactured w/ a new design that retains the O-ring so they cannot get lost or damaged
  • Fit just as the OEM quick connects for easy installation as well as removal
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Dorman – Coolant HVAC Connector (Part No.800-917)

Coolant HVAC Connector

from

$15.99
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
See More

Dorman – Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose (Part No.800-409HP)

Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose

from

$24.49
HVAC heater hose connectors fail when the plastic material fatigues from heat and vibration. This upgraded Dorman OE FIX replacement connector is made from corrosion-resistant stainless steel for greater durability.

Product Features:
  • Improved design – this HVAC heater hose connector has been redesigned for greater durability the original equipment part
  • Durable construction – this heater hose connector is made of stainless steel instead of the original equipment connector to reduce damage from heat fatigue and vibration
  • Easy to install – matches the original equipment form and dimensions for a simple replacement
  • Quality tested – this part has undergone try-on, corrosion, heat and pressure testing to ensure a quality fit and long service life
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Dorman – Heater Hose Connecto (Part No.R3036834783DOR)

Heater Hose Connecto

from

$10.87
Heater Hose Connecto

FAQs for 2003 Chevrolet Silverado 2500 HD Heater Hose Fittings

What are the most popular Heater Hose Fittings for the 2003 Chevrolet Silverado 2500 HD?

With 2 brands you can trust, our most popular Heater Hose Fittings for the 2003 Chevrolet Silverado 2500 HD parts are:
Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose
from $12.49
(57)
Coolant Connector – Inlet/Outlet 3/4In. Tube x 5/8In. Hose
Heater Hose Fittings
Heater Hose Connector
from $13.99
This product is not rated
Heater Hose Connector
Heater Hose Fittings
Quick-Lok½ Heater Hose Connector
from $19.49
This product is not rated
Quick-Lok½ Heater Hose Connector
Heater Hose Fittings