Delta Soap/Lotion Dispenser Pump Assembly-RP21908 - The Home Depot


Model # RP21908

Internet # 203935425

Soap/Lotion Dispenser Pump Assembly

Delta Soap/Lotion Dispenser Pump Assembly

This item has been discontinued.
The Home Depot no longer carries this specific product.

$4.16 / each


Model # RP21908

Internet # 203935425

Included with all soap dispenser assemblies, we know that sometimes parts like this Soap/Lotion Dispenser Pump Assembly get lost or misplaced. That's why Delta has made it available for the handy DIYer to order. Just another way Delta is more than a faucet.

  • For use with Delta soap dispenser bottles
  • Bottle and pump head not included
  • Made of non-corrosive plastic
  • Lifetime limited warranty covers parts and finish defects


Assembled Depth (in.)  6.0 in  Assembled Height (in.)  0.75 in 
Assembled Width (in.)  0.75 in  Product Depth (in.)  6.0 
Product Height (in.)  0.75  Product Width (in.)  0.75 
Color Family  Chrome  Color/Finish  Chrome 
Kitchen Product Type  Sink Accessory  Material  Plastic 
Returnable  90-Day  Rust Resistant  Yes 
Sink Accessory Type  Other 
Warranty / Certifications
Manufacturer Warranty  Lifetime limited 


Rated 1 out of 5 by 5 reviewers.
Rated 1 out of 5 by Does not Fit - Delta will help you if you are original owner of the faucet!! My pump dispenser malfunctioned at about 5 years and I found the correct model number and replacement part number. I read the reviews hoping that perhaps wrong part numbers had been ordered by the other reviewers, but that was not the case. The outer diameter of the replacement part is too large to fit into the dispenser head. I called Delta. They were very helpful and offered to replace the pump assembly since I am the original owner. I made them aware of the issue and hopefully they will be able to address the problem. September 23, 2014
Rated 1 out of 5 by Beware of sizes A few years ago the size of the Soap/Lotion Dispenser product changed, mine is a smaller model. Therefore if you have an older product can not always get the parts needed.v September 30, 2014
Rated 1 out of 5 by Not for all Delta soap dispensers. I have a Delta 978-SD-DST with the rp50813 soap dispenser. This replacement pump doesn't fit the rp50813. I called Delta, they are sending me a replacement pump for free. Try calling Delta first. Way to go Delta!!! September 10, 2014
Rated 1 out of 5 by Does not fit! This product is rated for all Delta soap/lotion dispensers; well the tip is too big to fit into the top of my Delta soap/lotion dispenser. Cannot get a part number to replace because Delta doesn’t offer them you must by the whole soap/lotion dispenser. January 2, 2014
Rated 1 out of 5 by Does not fit Quality and value are poor simply because it does not fit. The o.d. of the pump is greater than the i.d. of the pump head. It probably fits something, but difficult to know what. January 18, 2014
1-5 of 5


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