What is the id of the connector / od of the pipe it fits?

This is for use with 5/8" on both the ID and OD

I wan to replace my heater hose too. What size heater hose do I use with this? Is it 3/4"?

In my experience the size has to do with the size of the pipe coming out of the heater. So the size used depends on the heater core used. In my case is was 3/4 for the heater core but 5/8 for the heater interconnecting pipe. Or in short you won't know still you take it off. But if it is the original heater core you could try and see what Amazon tells you. Amazon was correct on mine. Buy two Quick Connects and replace both. If one broke the other is not far behind.

Do you need 2 of these?

It would depend on the size of the lines you are working on and also if you need to replace them all.

Got a 98 Expedition 5.4l. Couldn't get them off, now I can't get them back on.. any help out there appreciated..

I broke the original connectors removing the hoses from the metal tubes that protrude from firewall. I cut off the old connectors and replaced them with the dorman 800-403 connector with a clamp. At first the new connectors would not push onto the metal tubes, so I smeared a dab of tune up grease on the metal tubes and the connectors pushed right on and clicked. no leaks - worked great.

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Dorman 800-403 HVAC Heater Hose Connector for Select Models

Product ID: 302297644

Details

Brand
Dorman
Connector Type
Hose Connector
Exterior Finish
Ready To Paint
Item Weight
0.01 Ounces
Item dimensions L x W x H
4.87 x 1.87 x
Material
Metal Alloy

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Specifications

ASIN	B000CIR1QQ
Best Sellers Rank	#62,764 in Automotive ( See Top 100 in Automotive ) #15 in Automotive Replacement Heater Hose Connectors
Brand	Dorman
Brand Name	Dorman
Connector Type	Hose Connector
Customer Reviews	4.6 out of 5 stars 835 Reviews
Exterior Finish	Ready To Paint If Needed
Global Trade Identification Number	00019495026389
Included Components	See Description
Item Dimensions	4.87 x 1.87 x 1.25 inches
Item Weight	0.01 Ounces
Item dimensions L x W x H	4.87 x 1.87 x 1.25 inches
Manufacturer	Dorman Products
Manufacturer Part Number	800-403
Manufacturer Warranty Description	Limited Lifetime Warranty
Material	Metal Alloy
Material Type	Metal Alloy
Model Number	800-403
Number of Pieces	1
Part Interchange Info	E69Z 18D435-A, 15119175, 15139564
Size	1 Count (Pack of 1)
Thread Size	0.375 inches
Thread Type	NPT
UPC	019495026389
Unit Count	1.0 Count

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₩70397

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In stock

Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Korea.

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Dorman 800-403 HVAC Heater Hose Connector for Select Models

Details

Details

Description

Specifications

Common Questions