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Delta 4380-AR-DST Arctic Stainless Pilar Side Spray Kitchen Faucet with Free Limited Lifetime Faucet and Finish Warranty

Item #: BCI1907970
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Product Details for the Delta 4380-AR-DST in Arctic Stainless

Product Features:

  • Made in the U.S.A. (Manufacturing plants: Greensburg, Indiana; Jackson, Tennessee)
  • Fully covered under Delta's limited lifetime warranty
  • All-brass faucet body and handle construction
  • Superior finishing process - faucet finish covered under lifetime warranty
  • Insulated side spray included
  • Sleek design coupled with the latest valve technology
  • Spout swivels 180 degrees to allow for unobstructed sink access
  • High-arch gooseneck spout further allows for unobstructed sink access

Product Technologies:

  • Diamond Seal: Delta DIAMOND Seal Technology utilizes a ceramic disc valve with a real diamond coating to produce a faucet that will last up to 5 million uses. That's an amazing 10 times the industry standard, guaranteeing a lifetime of leak-free, trouble-free performance.
  • Eco Friendly: Through a number of technologies and innovations, Delta’s Eco Friendly faucets achieve the impossible: A faucet that feels like more water, while actually conserving water. There are many advantages to this beyond helping protect our nation’s water resources. First, Delta’s Eco Friendly faucets splash less; you won’t have to wipe your counters as much. Second, they use less hot water, preserving your hot water supply and reducing associated water-heating costs. Third, you will feel a little less guilty leaving the water running for longer periods.

Product Specifications:

  • Overall Height: 13" (measured from counter top to highest point of faucet)
  • Spout Height: 9-3/4" (measured from counter top to faucet outlet)
  • Spout Reach: 10-1/2" (measured from center of faucet base to center of faucet outlet)
  • Number of installation holes required: 3
  • Center-to-center distance between handle installation holes (faucet centers): 6"
  • 1.8 gallons-per-minute flow rate
  • Installs onto decks up to 2-1/2" thick
  • 1 handle included
  • Low lead compliant - complies with federal and state regulations for lead content
  • Designed to easily connect to standard U.S. plumbing supply bibs
  • Extra secure mounting assembly
  • All necessary mounting hardware included


  • 4380-DST: this model
  • 4380-SD-DST: this model + soap dispenser
  • 4380T-DST: this model + Touch2O technology

About Delta:

Delta is more than just a brand of kitchen and bathroom faucets. It’s a name that represents what’s possible in today’s plumbing technologies. Every kitchen and bathroom in every home is unique, and with a wide range of pricing and features, Delta faucets and fixtures can meet every need.

Delta is driven by its quest for innovation—and this applies to its kitchen and bathroom faucets and fixtures. From Touch2O technology (which turns the faucet on and off with just a touch) and MagnaTite technology (which eliminates droopy pull-down spray heads), to H2Okinetic showers (for a warmer and more luxurious shower experience), your life is simplified through innovations. And if you’re searching for a product to offer an eye-catching focal point, while providing durability and reliability for a lifetime, look no further than Delta.

From extremely affordable and reliable faucets to fully loaded fixtures featuring today’s leading technologies, Delta has a faucet for everyone.

Our SKU: Delta 4380-DST

This product is listed under the following manufacturer number(s):

*Denotes a finish or option that has been discontinued

Delta 4380-DST Reviews

Rated 4 out of 5 by from good looking faucet Purchased and installed faucet about a month ago. Looks great on my kitchen. Works very well. Some comments: Can't attach a PUR faucet filter. Had to buy an undercounter water filter. Spray nozzle does not attach securely to base. Needs to have a tighter fit. Other than those, great buy.
Date published: 2013-03-26
Rated 5 out of 5 by from Very happy with faucet I've had the faucet for 1-2 months. I installed it per the directions. Faucet worked first time and every time, without leaks. Aerator is a must to prevent splashing. Due to the height of the spout, even with the aerator in place, there is some splashing when water is turned on fully. I have a 9 inch deep sink, and none of the water splashes over the sink edge onto the counter. If I had a shallower sink I think it would splash a little on the counter. Overall, an excellent product.
Date published: 2011-04-23
Rated 5 out of 5 by from Very Pleased with Product Overall I am very pleased with the Delta faucet that I ordered. Unfortunately, I was so pleased with the brushed stainless model when it arrived that I quickly checked that all the parts were included and installed it. As I was placing the hose for the sprayer I discovered that the base to the unit was shiny chrome. I called for assistance and was told that I had to send the entire unit back to make an exchange to get a brushed stainless base. Too late! However I was given the number for Delta who did send a replacement in the proper finish at no cost - took 10 days, but I did get it. Everything works great and looks great now.
Date published: 2011-04-22
Rated 4 out of 5 by from Lovely Arch I just had granite installed in my kitchen. This faucet set was great. I loved the arch that it has. I would suggest that you install the sprayer if you get a deep sink. The only drawback that I have is that the water does come out very hard. We turned down the pressure on the water but it does come out in a very downward stream. Even with this drawback, I do love the style and would not change it.
Date published: 2012-01-15
Rated 5 out of 5 by from Delta is the best. This faucet works the way it should work and is very attractive. I had a Price Pfister that looked great but was very troublesome after 2 years and so I returned to the best trouble free brand out there. Every plumber I have talked to agrees you can get cheaper or far more expensive faucets but nothing that is better then a Delta faucet. made it easy to acquire the Delta I wanted.
Date published: 2010-08-20
Rated 5 out of 5 by from High Quality This is an elegant set, better than I expected. I installed it in a granite countertop with no issues. The quality seems to be the best and I expect it to be trouble free for many years. All the parts were well marked and the instructions were good. I also bought the soap dispenser. Shipping was prompt.
Date published: 2012-11-20
Rated 3 out of 5 by from Suggested changes Water stream is too strong, splashing water all over the counter. The aerator needs to soften the force of the stream of water more. The faucet extends beyond drain, thus creating more splatter every time we turn it on since it is hitting the sink instead of drain. But, I like the longer arm for filling large bowls and pales. I think the problem could be helped by changing aerator to increase the aeration.
Date published: 2011-04-26
Rated 5 out of 5 by from Great Purchase I am very happy with my new faucet assembly. It has increased the power of the water coming from the faucet; it is aligned perfectly with the drain in my sink; and it just looks very nice. It arrived even more quickly that the least number of days promised, and I had excellent help with a customer service assistant when trying to order it on the internet. He talked me through it over the phone while I was logged onto this site.
Date published: 2012-09-16
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30 Questions from the Community
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What is the weight of this faucet?

The Delta 4380-DST weighs about 6lbs.

Do you have a bar sink faucet to match this kitchen faucet?

The Delta 1980-DST Pilar Bar/Prep Faucet with Diamond Seal Technology would be the matching faucet for your kitchen faucet.


Yes, You can remove the aerator with the wrench that was supplied and add a water filter as long as the water filter has the same threading size.

Can I swap a soap dispenser for the sprayer?

Yes, if you currently are using one of the holes you'd need for this install you can pull the soap dispenser out of the hole & install the rough-in so that the sprayer utilizes that hole. Hope this helps!

Does the tap come with everything needed to fit it?

The Delta 4380-DST doesn't come with the air cap, disposal stopper and basket strainer and flange.

Does this faucet include the drain assembly?

The Delta 4380-DST does not include the drain assembly. Delta Kitchen Faucets do not typically include any drain assembly components - however, their Lavatory Faucets will often includes these items for your Bathroom Sink.

How long is sprayer hose?

The hose for the Delta 4380-DST is 45" long.

I am Looking for an aerator for the Delta 4380-DST. What's the part number?

The Delta 4380-DST has a replacement aerator listed as replacement part RP50783 - this item has been replaced by a Low Flow aerator Delta part number RP53998 which is now available on our site.

Is everything metal?

The Delta 4380-DST handle and spout are made of metal and it's sprayer is made of plastic.

Is it possible to get a metal sprayer?

Yes it is possible to purchase the sprayer separately. I called Delta to get the part numbers. These are the part numbers they gave me: RP53880 which is the spray and hose assembly and you will also need the Rp50787 which is the support assembly to support the spray and hose which allows it to stand up.

Is the sprayer Steel or plastic?

The Delta 4380-DST Sprayer is composite construction of both Brass and Plastic components.

what is the reach in inches out from the back of the sink

The Delta 4380-DST has a spout reach of 10.5" from the center of the faucet to the center of the aerator.

Can you install Delta 4380-DST without the side sprayer or buy one without the sprayer?

You can install this faucet with out the side spray. Per the Installation instruction you have the option of not installing the side spray. Other models from the Pilar collection are also available such as the 980-dst which has a pull down sprayer instead of the side spray.

Delta 4380-DST, to the top of the goose neck, is it 10 1/2 or 13 inches tall

The height to the top of the goose neck on the Delta 4380-DST kitchen faucet is 13" tall.

How can I order the sprayer for the 4380? part #RP53880

The RP53880 is now available on our site, you can find it under Delta model number RP53880. It is available in Chrome, Venetian Bronze and Stainless Steel finishes.

Is sprayer stainless steel?

The sprayer will come in a stainless steel finish.

Is the aerator insert included with the Delta 4380-DST?

The aerator is included with the Delta 4380-DST.

Is this Delta faucet operated by touch as well?

The Delta 4380-DST faucet is not operated by touch, meaning you must use the handle to turn it on and off.

The distance between the holes in my countertop is 16" from the faucet to the handle. Is the flexible connector on the 4380-DST long enough to reach?

The Delta 4380-DST will accommodate between 6 and 16 inches.

can the spray on the faucet be change to a different type?

The Delta 4380-DST does not have the option to change spray type.

Is this a 'thick mounting' model?

The Delta 4380-DST is a "thick deck" model yes.

What is the thread size of the aerator?

The Delta 4380-DST aerator is a 2.2 gpm. It's a cache aerator where it seats inside the spout. We, unfortunately, don't have the thread size.

Can the side spray be alternatively changed to a regular water flow?

The Delta 4380-DST side spray only has one function which is the spray mode. It cannot be changed to a regular water flow. Thanks for your question and have a great day!

can this be configured to put the spout in the middle, sprayer on the left, valve on the right?

The Delta 4380-DST is capable of being installed in different configurations. Please let us know if you have any other questions.

Delta 4380-DST connectors are metal or plastic?

The connectors on the Delta 4380-DST appear to be metal.

Does the Delta 4380-DST require an extension kit for a deck of 2 1/2 inches?

The Delta 4380-DST Single Handle Kitchen Faucet can be installed normally on a counter thickness of 2 1/2". Anything thicker then this will require an extension kit.

How do you remove the aerator to clean or replace?

The aerator for the Delta 4380-DST is removed with the wrench supplied with the purchase of the faucet. If you do not have the wrench, it is RP46245.

I have this model with the soap dispenor in an order model made in white (1998). Need new handle.

The Delta RP53877 is the replacement part number.

Is there a soap/lotion dispenser available that could be used with this faucet?

The Delta 4380-DST is in the Pilar Collection and there is a matching soap dispenser.

Is the supply line included with the Delta 4380-DST?

Yes, the Delta 4380-DST includes a supply line.

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