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Simple, straightforward and low shipping rates for these Delta kitchen faucets.


Kitchen Faucet Replacement Parts

By Delta

PlumbingSupply.com® has the best selection of genuine Delta repair parts available on the Internet today. If you don't find what you need listed on our various Delta parts pages, email us with the current part number and we will email you a quote for that part!

Delta brand kitchen faucets: single lever parts

Parts for Models #100 and #300 Kitchen Faucets

Delta single handle kitchen faucet parts
Key Description Part # Models Price & Quantity
100 300
1 Handle w/set screw - chrome RP2393 X X $14.49
2 Set screw - chrome RP152 X X $3.37
3 Adjusting ring RP250 X X $3.72
4 Cap w/adjusting ring - chrome RP50 X X $13.11
5 Spout 8" RP63131 X X $41.74
or 5 a Spout 10" (longer spout) RP63133 X X discontinued
or 5 b Spout 12" (longest spout available) RP6042 X X discontinued
6 Slip ring RP6044 X X $3.33
7 Cam and packing RP61 X X $5.40
8 Ball assembly RP70 X X $9.62
9 Seats & springs RP4993 X X $4.25
10 Gasket (use RP334) RP6452 X - see below
  Gasket RP334 X - $3.99
11 Diverter assembly - lead free RP63136 - X $5.99
12 Nuts & washers RP6001 X - $4.15
13 O-rings (pair) RP25 X X $3.53
19 Aerator - chrome RP330 X X $5.95
21 Spray & hose assy. - black w/chrome band RP6011 - X $37.80
26 Escutcheon RP1063 X - discontinued
  Escutcheon (not shown) RP1064 - X $14.72
  O-ring and cartridge lubricant - ¼ oz
FDA-approved silicone
963-01 $1.89

* With fitting models only

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Delta brand kitchen faucets: two handle

Parts for Models #2173 and #2474 Kitchen Faucets

Two Handle Waterfall Kitchen Faucets
Key Description Part # Models Price & Quantity
2173 2474
1 Aerator - chrome RP330 X X $5.95
2 Spout assembly - chrome RP7908 X - discontinued
3 Retaining ring RP6227 X - $3.45
4 O-ring RP5863 X - $2.86
5 Button set RP19659 X X $4.93
6 Screws RP5885 X X $3.49
7 Handle - metal RP4381 X X discontinued
8 Escutcheon RP6328 X - discontinued
9 Gasket RP6075 X X $6.77
10 O-ring RP6048 X - $3.26
14 Spout bonnet - chrome RP6225 X - discontinued
15 Bonnets - chrome RP6060 X - $8.93
16 Stem unit assembly - EACH (one) RP1740 X X $5.75
16 Stem unit assembly - PAIR (two) RP1740 X X $11.32
17 Lock nuts RP6064 X X $3.99
18 Seats & springs RP4993 X X $4.25
19 Locknuts RP6183 X X $3.78
20 Coupling nuts RP5861 X - $6.59
28 Spray & hose assembly (use RP17781) RP17785 - X see below
  Spray & hose assembly - white w/chrome band RP17781 - X $48.48
29 Spray support - black w/chrome base RP6015 - X $8.50
  O-ring and cartridge lubricant - ¼ oz
FDA-approved silicone
963-01 $1.89

* With fitting models only

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Delta brand kitchen faucets

Two Handle Kitchen Deck Faucets
Models 2100 & 2400
Key Description Part # Price & Quantity
1 Lever Inserts - Brass A22PB $29.98
2 Handle bases (use H22) RP15249 see below
  Lever handle bases w/screws - chrome H22 $40.13
3 Screws - chrome RP7527 $3.84
5 Button set - chrome RP19659 $4.93
6 Screws RP5885 $3.49
7 Handles (use H21) RP19660 see below
  Clear knob handles w/buttons & screws - chrome H21 $13.27
8 Bonnet nuts RP6060 $8.93
9 Stem unit assembly - EACH (one) RP1740 $5.75
9 Stem unit assembly - PAIR (two) RP1740 $11.32
10 Locknuts RP6064 $3.99
11 Seats & springs RP4993 $4.25
12 Escutcheon RP6066 discontinued
13 Gasket RP6075 $6.77
14 Locknuts RP6183 $3.78
15 Coupling nuts RP5861 $6.59
16 O-rings RP2055 $5.55
17 Diverter assembly RP6073 discontinued
18 Button set RP2412 $2.73
19 Handles w/buttons & screws H28 $14.54
21 Aerator RP246 $17.51
22 Spout assembly - chrome RP5650 super sale $19.95
23 Spout nut - chrome RP6070 $6.69
24 Spray hose & assembly (use RP6011) RP6077 see below
  Spray & hose assy. - black w/chrome band RP6011 $37.80
25 Spray support - black w/chrome base RP6015 $8.50
  O-ring and cartridge lubricant - ¼ oz
FDA-approved silicone
963-01 $1.89

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Trouble shooting some models of Delta kitchen faucets:

for some common Delta Kitchen Faucets: Single Handle Two Handle
If you have a constant drip from the spout,
first try replacing the seats and springs:
you need only buy one (you'll get two of each) sets per faucet
RP4993 = $4.25 RP4993 = $4.25
If leak persists after replacing seats and springs,
then replace the stem (double handle) or ball (single handle):
RP70 = $9.62 RP1740 (each)= $5.75
NOTE: The RP1740 cartridges above are sold singularly. To purchase as a pair, click here
If you have a leak around the base of the spout,
try replacing the spout O-rings:
RP25 = $3.53 RP2055 = $5.55
If you have a leak under the handle,
install one of these kits:
RP3614 = $8.36 RP1740 = $5.75
If flow from spray hose does not function properly,
clean or replace sprayer diverter:
RP63136 = $5.99 RP6073 =  discontinued
If you have a problem with the stream of water from spout,
possibly replace aerator:
RP330 = $5.95 RP330 = $5.95

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Faucet Cleaning & Multi Purpose Brush

Faucet cleaning brush
This cleaning brush features:
  • Makes cleaning your faucet easy, fast, and effective
  • Removes soap scum and dirt from places where sponges can't reach
  • Flexible design easily gets in and around taps and pipes
  • Soft plastic white bristles won't scratch delicate surfaces
  • Also great for cleaning pipes that are close to walls, furniture legs, and other hard to reach places
  • Product Dimensions L: 24" W: 1" H: 1"
  • Proudly made in the USA
Examples of ways you can use this cleaning brush

Multi Purpose Cleaning Brush = $5.99

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Order 12, 24, 48 or more for additional savings!
Pricing discounts will show up in your shopping cart.


Frequently Asked Questions

Q. "Are there any helpful hints for changing balls/cartridges/seals?"
A. When changing the ball/cartridge and/or seal it is recommended that with an assistant, you hold a cup or towel over the open valve, turn on the water to flush out the lines, then install the new part. This may help to extend the life of the parts.

Q. "I switched my round handles to lever, but one turns on and off in the wrong direction. What can I do to fix it?"
A. You will need to remove the cartridge from that side and turn it 180° then put it back in.

Q. "How do I get the seal out after I remove the cartridge/ball?"
A. Push a pen or pencil into the seal then pull it out.

Q. "I put in a new cartridge but now it turns on and off opposite of before. Did I purchase the wrong cartridge?"
A. No, you will need to remove the cartridge and turn it 180° then put it back in.



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