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🔧 Upgrade your ride’s heartbeat with metal muscle — no more plastic failures!
The Dorman 800-413HP Metal Heater Hose Connector is a durable, metal quick-connect fitting designed as a direct replacement for plastic OEM connectors on select Cadillac, Chevrolet, and GMC models. Engineered to resist heat and abrasion, it prevents leaks and cracks common in plastic parts. Precision manufactured and pressure-tested, it ensures a seamless fit and reliable performance, backed by a limited lifetime warranty for long-lasting peace of mind.
| ASIN | B0DKWC5LPK |
| Best Sellers Rank | #33,171 in Automotive ( See Top 100 in Automotive ) #7 in Automotive Replacement Heater Hose Connectors |
| Brand | Dorman |
| Brand Name | Dorman |
| Color | Silver |
| Connector Type | quick-connect fitting |
| Customer Reviews | 4.7 out of 5 stars 154 Reviews |
| Exterior Finish | Ready To Paint If Needed |
| Global Trade Identification Number | 00194883582842 |
| Included Components | 1 Heater Hose Connector |
| Item Dimensions | 1.29 x 4.21 x 8.18 inches |
| Item Type Name | Metal Heater Hose Connector Compatible with Select Cadillac / Chevrolet / GMC Models (OE FIX) |
| Item Weight | 2.72 ounces |
| Item dimensions L x W x H | 1.29 x 4.21 x 8.18 inches |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 800-413HP |
| Manufacturer Warranty Description | Limited Lifetime |
| Material | Metal |
| Material Type | Metal |
| Model Number | 800-413HP |
| Size | Stock |
| Thread Size | RM |
| Thread Type | Metric Tapered |
| UPC | 194883582842 |
| Unit Count | 1 Count |
F**O
2003 Tahoe with rear AC AUX
Worked perfectly on my 2003 Tahoe. no leaks Careful when putting them on. Add a lil bit of lube on the male ends so it slides on easier.
R**G
Must have
Just do it and upgrade your original parts to this! Must have for any Chevy trucks or Tahoe’s! Worth every penny and fits perfect . Easy to install
J**.
Inexpensive
Works good no issues at all.
J**H
just works
Machining and material quality were better than expected. Edges were clean with no burrs, and the dimensions were consistent — everything lined up without needing to force or modify anything. The material feels like proper spec, not soft alloy, and it handled torque without deforming. Installed smoothly and performed exactly as intended under real load. Solid, reliable part if you’re doing actual mechanical work
J**J
These work great for a 2015 Tahoe
Works on a 2015 Tahoe. You can use two of these or the 800-414hp for the other line but all inlets and outlets on the fitting are the same between the 413 and 413 it’s just the body is a slightly different shape. You will also need two 800-403hp fittings to connect the 5/8 tube to 5/8 hoses.
C**K
good fit and finish, fits well
good fit and finish
C**J
Heater core tee connector
While visiting forums regarding changing my spark plugs, I learned these two heater hose plastic tee's are a ticking time bomb and my 2014 Suburban had 249k miles with the original plastic ones. After getting these out, they definitely were brittle and could have failed at any time. These new metal ones (MAKE SURE TO REPLACE BOTH 800-414HP and 800-413HP) are working great and the drip on spark plug #8 is gone. Advice: 1. I was having trouble getting the hose to click into the tee. After struggling for way too long, I figured out putting a thin film of SilGlyde allowed it to immediately lock. 2. Also, use a small mirror to make sure the Tee clicks onto both aluminum tubes behind the formed shoulder for the heater core and the hose going back to the water pump. See pict. in review of 800-414HP.
F**.
GM should of used these from the beginning
Works as it should. GM should of used these from the beginning.
Q**L
Quality fits perfect
Quality part change both while doing job metal upgrade part only way to go
Trustpilot
2 months ago
5 days ago