ACDelco Professional 18221L Molded Branched Heater Hose
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Sorry, I didn't need to measure the size; I simply ordered OEM hoses, which fit perfectly.
The hoses have already been clamped to the y. There aren't any clamps required. All of the other ends that connect to the heater, water pump, and reservoir will require clamps.
It will fit, but you will need to purchase the AC 34000 quick connect fitting.
I used a 5/8" piece of straight rubber pipe and attached the AC Delco 34000 quick connect heater hose connector to the end.
Selected User Reviews For ACDelco Professional 18221L Molded Branched Heater Hose
I recently heard a strange noise coming from the ac compressor, so I took the splash guard off under the engine over the Labor Day weekend to investigate further. The compressor was greasy and damp, which I noticed. With temperatures in the 100s in September in Houston, I was worried that my 11-year-old Denso would need to be replaced at some point. However, I noticed that the compressor had been soaked by engine coolant, and that this line was leaking coolant at the plastic section, especially when the engine was running. This hose was an exact match for the original in the pickup, which lasted 11 years; hey, I'll take half of that from this replacement. I would suggest getting the quick disconnect tool instead of the OEM heater hose puller. It was unnecessary for me to remove the hose from my GMC. The hose clamps OTC 6046 and Dorman 800- are quick disconnecting. In addition, 409 will be required to re-establish communication. One of the hoses should be connected to the heater core in the firewall.
The A/C compressor is right above this fitting! One day, while driving at highway speeds, I heard loud pops but felt nothing, everything was completely smooth! I'd been troubleshooting a few A/C issues, such as relays failing and refrigerant escaping, and I believe this Y fitting leak was to blame. My high pressure sensor was periodically shorted by a Y fitting leak, I believe! There have been no leaks, no pops, and no disruption in the flow of cool air since the hose was replaced.
This is an intriguing hose. It was a perfect fit for my car and perfectly replicated all of the original curves. NOTICE: br>br>NOTICE: br>br>NOTICE: br>br>NO You could look up GM heater hoses on the internet. To connect to the heater core, GM employs a quick connect at the firewall. A new connector, such as a Dorman 800-, may be required. 409 Heater Hose Connector (this is the connector that came with my model. ) Others exist), and removing the plastic connector will almost certainly necessitate the use of a HOSE TOOL CLAMP tool. Find out more about the connectors by doing some research. There are a number of videos online that demonstrate how the connector(s) can break with age. I decided to replace mine, and the tool I used to do so was an OTC 6046 Heater Line Quick-Connector. For GM, there is a tool called the Connect Release Tool. The majority of the local parts stores tried to sell me an AC line tool that was far too small. Apply a thin layer of grease to the tool before inserting it. My hoses were easily detached.
It's not a five-star performance, and it's not even a four-star performance. It's fairly low-grade, and the Y connect area feels very flimsy and fragile; however, there have been no issues thus far; be sure to get a quick connect to connect it to the heater core as well. Remove it with care without using the tool. To avoid damaging the heater core (which is not fun to replace), I use a soldering iron and melt it off. Be sure to flush it now that you have access. If I had purchased an AC Delco Advantage part, I would have given it five stars because that is the grade it is.
Silverado 5th Generation (2005 model) My slow mystery leak, which was nearly impossible to see coming from the Y, was finally stopped by a perfect fit. Because the fitting is made of the same materials as the hose, it will most likely last for many years. You can reuse the slip fitting on the heater core, but it's easier to replace it all at once. I tried to reuse mine by cutting the original plastic clamp, but it started leaking after a few days. Most likely as a result of being moved around, causing the internal o ring to fail to seal properly. OEM parts are more expensive than aftermarket parts.
The fit is perfect, but make sure you get a quick-drying shirt. tool for connecting and disconnecting (e. g. , these: .
8L V- This was a perfect fit for my 2006 Silverado with the 4 cylinder engine. V8 liters The length and size of the engine are identical to those of the OEM. You'll need a new snap on connector and hose clamp because the OEM heater core hose has the snap on connector permanently connected. Aside from that, you're free to re-use. The two hose clamps from the OEM hose assembly should be used.
This hose is shaped like a Y and has unique fittings. It connects to the water pump on one end, and the Y's two branches connect at the bottom of the overflow / pressure tank and at the firewall on the quick connect fitting on the other. You must compress the plastic tabs while pulling the connector off with the hose to remove the existing quick connect fitting. My factory hose was secured to the quick connector by a molded black plastic fitting. I was able to cut off this plastic fitting with a small wire cutter and recover the quick connector, which I was able to use with this new hose secured by a standard clamp. This hose is extremely well made and is a must have.
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