Dorman 800-409HP Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose for Specific Models (OE FIX)
Dorman 800-409HP Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose for Specific Models (OE FIX)
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Dorman 800-409HP Coolant Connector - Inlet/Outlet 3/4In. Tube x 5/8In. Hose for Specific Models (OE FIX)

4 stars out of 4 reviews
(4.0)|
4 ratings
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Key item features

  • Improved Durability: This HVAC heater hose connector has been redesigned for greater durability compared to the original equipment part.
  • Stainless Steel Construction: Made of stainless steel to reduce damage from heat fatigue and vibration, unlike the original plastic connector.
  • Easy Installation: Matches the original equipment form and dimensions for a simple and straightforward replacement.
  • Quality Tested: Underwent try-on, corrosion, heat, and pressure testing to ensure a quality fit and long service life.
  • Vehicle Compatibility: Fits specific models including Buick Rainier (2006-2007), Cadillac DeVille (2002-2005), Cadillac Escalade ESV (2003-2014), and more.
  • OE FIX Advantage: Upgraded design to address common failure points of the original plastic connectors, ensuring longer-lasting performance.
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was $21.49
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4 out of 5 stars
stars4 ratings4 reviews
How item rating is calculated
  1. 5 stars75% (3)
  2. 4 stars0% (0)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star25% (1)
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Showing 1-3 of 4 reviews

Feb 25, 2026
Bryan
5 out of 5 stars review

Verified Purchase

it's all about getting the old one off with this new one it clicks right in you mean you may think it's not on their secure cuz it might have a little play in it but I have no leaks

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Helpful?7IFKK78E6Q1S705403763
Dec 2, 2025
SaltyCajun
5 out of 5 stars review

Verified Purchase

Better than OEM

Perfect fit. Removing the original plastic one is not fun. This design is much better than the OEM.

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Helpful?7IFKK78E6Q1S705403763
Nov 7, 2025
Unsatisfactory
5 out of 5 stars review

Verified Purchase

Good job!

Great product! Huge improvement over original

Incentivized Review
Helpful?7IFKK78E6Q1S705403763