Delta®

Stem Extender - Jetted Shower XO®

Model#: RP37902
Delta®
Stem Extender - Jetted Shower XO®
Model#: RP37902
List Price: $39.95
Online Price: $31.96
Free Ground Shipping All Orders $49+
Documents & Specs
Installation Information
Overall Height (in.) :
13/16
Valve Type:
NA
REVIEWS
Rated 1 out of 5 by from Why plastic instead of brass? This thing always had a sloppy, wobbly action, until it broke. The pieces show that the plumber must’ve cranked that Allen wrench hard, to screw through the plastic, because the tab on the handle doesn’t fit snugly into the slot on the piece. No wonder it’s been discontinued, and the non-compatible new ones seem to have brass parts, but I can’t find any that fit RP 37902. My plumber said he’s never seen a part discontinued without there being a replacement, and this plastic part is truly a bad design.
Date published: 2023-10-26
Rated 3 out of 5 by from Very long process This extension started failing about 10 years ago and finally failed completely. It took many experts both local and afar to figure out what this part was? One of your centers took the time to open an older parts book and locate it, but not before selling me a whole new valve for $103.00. Returned for credit and then got the help needed. Ferguson was a joke no help there at all! Finally after identifying the part number Delta came through and sent a new extension... no charge!
Date published: 2022-07-06
Rated 5 out of 5 by from Delta fawcett parts the fawcett parts have worked very well. Much better than Lowe's parts which lasted one week.
Date published: 2021-08-22
Rated 5 out of 5 by from The Right Stuff Perfect fit
Date published: 2020-07-30
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Q&A

Need a handle that will fit this for the diverter. i know the hot/cold selector is 1400 series.

Asked by: dm705
Hi dm705, Thank you for your question about the Delta Faucet RP37902. Replacement handles for a T11600 Series diverter trim include: RP52590 RP49264 RP42409 See here for information: https://support.deltafaucet.com/s/article/T11600-Series-3-Port-Six-Function-Diverter-Trim Please reach out with any additional questions! Best Regards, Bryan Digital Communications Specialist
Answered by: Digital Specialist
Date published: 2026-07-01

I need the screw that hold this in place

Asked by: Darren
Hello! Unfortunately we no longer manufacture the RP37890 retention screw. We apologize for any inconvenience this may have caused. Please reach out with further questions! Best Regards, Tim Digital Communications Specialist
Answered by: Digital Specialist
Date published: 2026-04-27

Hello,I am need of replacing the Stem extender for my shower system. Its a 3 function RP37902. And the on/off main valve also needs replacing. Wondering if you guys would know the part number for that? I'm assuming it would be a pretty common valve

Asked by: Rich
Hello, Please accept our sincere apology for the inconvenience you are experiencing. Please contact us directly by phone at 1-800-345-3358 or email at customerservice@deltafaucet.com as we would like to resolve this matter for you at this time. Best Regards, Tim Digital Communications Specialist
Answered by: Digital Specialist
Date published: 2026-08-20

Is this the stem extender for the 3 function shower? What is the part number for the 6 function shower?

Asked by: Eddie58
Hi Eddie58, Thank you for your question about the Delta Faucet RP37902. This is a 3-function stem extender used with cartridge RP42410. The 6-function stem extender is RP37903. Please reach out with any additional questions! Best Regards, Bryan Digital Communications Specialist
Answered by: Delta
Date published: 2025-06-03

Does a RP37902 stem extender fit a T11655 Victorian diverter?

Asked by: Bob Kuusinen
Hello Bob Kuusinen, Thank you for your question! I am happy to help you! Correct, the Delta RP37902 will fit the T11655, I have attached a link below to show the parts diagram. https://media.deltafaucet.com/PartsDiagram/T11630_T11640_T11651_T11655_T11685_T11686_T11692.pdf Please contact us back for any further questions. Best Regards, Nicole
Answered by: Delta7
Date published: 2024-03-28

wondering the length? And if this would fit a RP37901 Sleeve for a T18255 series delta.   My extender broke and most appear too long

Asked by: DY12345
Hi DY12345, Thank you for your question! A replacement extender for a Delta Faucet 18 series Jetted shower diverter is RP34787. It is used with an RP37901 Sleeve. https://www.deltafaucet.com/parts/product/RP34787.html See here for more information: https://media.deltafaucet.com/PartsDiagram/77499-PD%20Rev%20A.pdf Please reach out with any additional questions! Best Regards, Bryan Digital Communications Specialist
Answered by: Customer Service
Date published: 2024-01-31

I believe this is the piece that I need to replace. Is there also a piece that goes inside the wand turn handle that connects to the end of this piece?

Asked by: Chris
Hi Chris, Thanks so much for contacting Delta Faucet Company about RP37902! I have included a general parts list showing if updating the trim on a R11600 you will need to order RP37902 (3 function stem extender) OR RP37903 (6 function stem extender) and RP37890 (extension screw) to use the new trim. https://media.deltafaucet.com/PartsDiagram/DPD-B-T11876%20Rev%20B.pdf If you are not updating the trim kit and just replacing a part for your shower, you should not need any additional parts unless they are damaged or needing replacement. Please contact us directly if you have any questions or need additional assistance. Best Regards, Nicole Digital Communications Specialist
Answered by: Customer Service
Date published: 2024-01-31

Is this part what is needed for my shower diverter for a T18255 jetted shower? or do I need a different part the plastic broke when adjusting the diverter to the wand handheld on the shower.thanks 

Asked by: Pete
We are happy to help you. This stem extender would be the appropriate part for your 1800 series shower. Best Regards! Frank
Answered by: Frank
Date published: 2024-03-28
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