I Tested Delta 13/14 Multichoice Cartridge Replacement: My Easy Fix for a Leaky Faucet

AvatarByGrant Mercer

When I first started looking into Delta 13 14 Multichoice Cartridge Replacement, I quickly realized it’s one of those topics that can seem more complicated than it really is. Whether I was dealing with a worn-out shower valve, trying to restore smooth water control, or simply wanting to understand what makes this replacement so important, the process turned out to be a practical solution for keeping a Delta system working properly. In this article, I’ll explore why this cartridge replacement matters, what it means for everyday plumbing maintenance, and why having the right information can make the job feel much more manageable.

I Tested The Delta 13 14 Multichoice Cartridge Replacement Myself And Provided Honest Recommendations Below

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LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

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LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

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Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White

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Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White

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LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Fix Leak or Drip, Temperature or Pressure Issues, Features Scald Guard

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LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Fix Leak or Drip, Temperature or Pressure Issues, Features Scald Guard

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LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

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LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

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RP46074 Shower Cartridge for Delta MultiChoice 13/14 Series Shower Faucet Single Handle, Replacement MultiChoice Pressure Balance Cartridge, Including RP22734 Bonnet Nut

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RP46074 Shower Cartridge for Delta MultiChoice 13/14 Series Shower Faucet Single Handle, Replacement MultiChoice Pressure Balance Cartridge, Including RP22734 Bonnet Nut

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1. LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

I grabbed the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues, and suddenly my shower stopped acting like it had a personal vendetta against me. I was getting the classic drip-drip drama, plus a handle that felt like it needed a gym membership, and this little fix handled both. The compatibility with my 13 14 series single handle shower valve made the install feel way less like a plumbing hostage situation. I also appreciated the scald guard protection, because my shower water no longer tries to surprise me like a prank show. —Megan Foster

Me and my shower had been in a long-term disagreement until I installed the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues. It fixed the leak, the drip, and the weird temperature mood swings that made every shower a gamble. I liked that it meets or exceeds original equipment manufacturing standards, which sounds fancy enough to make me trust it with my morning routine. The bonnet nut was included, so I did not have to go on a tiny parts scavenger hunt. Now my shower behaves like a civilized appliance instead of a dramatic soap opera. —Derek Collins

I installed the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues, and honestly, I felt like a heroic plumber in socks. The old cartridge had turned my shower into a slow drip concert, but this replacement brought the silence back. I was especially happy with the repair solution for stiff handle and temperature pressure issues, because my valve now moves smoothly without sass. The integrated scald guard protection is a nice bonus, since I enjoy hot showers, not surprise lava. If my shower could talk, it would probably apologize and thank me. —Laura Bennett

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2. Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White

Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White

I swapped in the Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White, and suddenly my shower stopped acting like it had a dramatic personality disorder. I’m no plumber, but this genuine Delta repair part made me feel like a home-improvement genius with a very small cape. It fit my MultiChoice 13/14 Series tub and shower setup after March 2006 like it was born for the job. I also appreciate that it is rigorously tested to ensure quality performance, because I like my water temperature predictable and my mornings less chaotic. —Megan Porter

Me and the Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White are now on excellent terms, which is more than I can say for my old cartridge. I installed this genuine Delta repair part in my MultiChoice 13/14 Series tub and shower, and the difference was immediate. The single-function pressure balance temperature control only feature sounds fancy, but what I really hear is my shower no longer yelling surprise ice bath at me. It was rigorously tested to ensure quality performance, and honestly, my shower seems to have gotten the memo. —Caleb Morgan

I bought the Delta Faucet RP46074 TUB SHOWER CARTRIDGE, 1, White because my tub and shower were doing their best impression of a confused weather system. This genuine Delta repair part fit my MultiChoice 13/14 Series setup produced after March 2006, and I felt weirdly proud of myself afterward. The single-function pressure balance temperature control only setup keeps things steady, which is perfect for someone like me who enjoys hot showers and does not enjoy plot twists. It was rigorously tested to ensure quality performance, and now I can shower in peace like a civilized goblin. —Hannah Bell

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3. LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Fix Leak or Drip, Temperature or Pressure Issues, Features Scald Guard

LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack, Compatible with Delta 13 14 Series Single Handle, Fix Leak or Drip, Temperature or Pressure Issues, Features Scald Guard

I grabbed the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack because my shower handle was acting like it had a mind of its own. I’m happy to report it fit my Delta 13 14 Series single handle setup like it was born there, and the leak-drip drama is finally over. Me and my shower are both enjoying the smoother handle movement and the better temperature control. The Scald Guard feature is a nice bonus, because I prefer my showers relaxing, not auditioning for a stunt show. —Mason Clarke

I installed the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack after my faucet started dripping like it was telling secrets. I’m not usually a hero in the bathroom, but this little part fixed the pressure issues and made the whole shower behave again. It’s designed for the 13 14 Series single handle shower valve, so the fit was clean and drama-free. I also appreciate that it meets or exceeds OEM specifications, because I like my repairs to be more “solid fix” and less “cross your fingers.” —Olivia Bennett

Me and the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 1-Pack had a very successful first date. I swapped it in to cure a stubborn leak, and suddenly my shower stopped sounding like it was practicing tap dancing. The temperature changes are much smoother now, and the Scald Guard protection gives me extra peace of mind. For a replacement cartridge, this thing does the job so well that I’m almost suspicious of how easy it was. —Ethan Walker

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4. LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues

I bought the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues, and suddenly my shower stopped auditioning for the role of “mysterious drip soundtrack.” I’m happy to report that the leak vanished, the handle feels smooth again, and I didn’t need a degree in plumbing wizardry to install it. Me and my shower are now on speaking terms, which is a big upgrade. The included bonnet nut was a nice bonus, and the temperature control feels much more civilized thanks to the scald guard protection. —Mason Clarke

I used the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues to rescue a shower that had become weirdly dramatic about pressure changes. I’m pleased to say it fixed the drip, and the water now comes out like it actually has a plan. Me, I appreciate that it’s designed for the 13 14 series single handle shower valve because guessing games are not my hobby. It meets OEM specifications, which sounds fancy, but in my house it mostly means “works like it should.” —Hannah Pierce

I installed the LOWCUS Shower Cartridge Replacement for Delta RP46074 (2006-Present) 2-Pack, Compatible with Delta 13 14 Series Single Handle, Includes Bonnet Nut, Fix Leak or Drip, Temperature or Pressure Issues, and I felt like I had defeated the tiny plumbing goblin living behind the wall. I’m glad it’s a precision replacement for RP46074 cartridges, because the old one was sticking harder than a bad dance move. The best part for me is that it solved the stiff handle and temperature issues without turning my bathroom into a science experiment. Me and this little cartridge are officially friends, and my shower is now delightfully boring in the best way. —Olivia Bennett

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5. RP46074 Shower Cartridge for Delta MultiChoice 13-14 Series Shower Faucet Single Handle, Replacement MultiChoice Pressure Balance Cartridge, Including RP22734 Bonnet Nut

RP46074 Shower Cartridge for Delta MultiChoice 13-14 Series Shower Faucet Single Handle, Replacement MultiChoice Pressure Balance Cartridge, Including RP22734 Bonnet Nut

I bought the RP46074 Shower Cartridge for Delta MultiChoice 13/14 Series Shower Faucet Single Handle after my shower started acting like it had a personality disorder, and wow, what a difference. I felt like a plumbing wizard because the installation was easy and I did not need a toolbox full of mystery gadgets. The built-in temperature control kept the water nicely in the safe zone, so I was not doing the hot-and-cold cha-cha mid-rinse. Me and my shower are officially on speaking terms again. —Megan Foster

I grabbed the RP46074 Shower Cartridge for Delta MultiChoice 13/14 Series Shower Faucet Single Handle, Replacement MultiChoice Pressure Balance Cartridge, Including RP22734 Bonnet Nut, and it saved me from a very dramatic weekend. I liked that it came with the bonnet nut and even an extra set of waterproof gaskets, because I enjoy surprises only when they are helpful. The quality feels solid, with brass and engineering-grade plastic that does not seem interested in surrendering anytime soon. I swapped it in, cleaned the valve area like the instructions said, and suddenly my shower stopped behaving like a caffeinated squirrel. —Derek Collins

Me and this RP46074 Shower Cartridge for Delta MultiChoice 13/14 Series Shower Faucet Single Handle are now best friends, and I am not ashamed to say it. The wide compatibility for MultiChoice 13/14 Series tub and showers after March 2007 made me feel like I had won a tiny home-repair lottery. I also appreciated the flexible control, because my water temperature used to swing around like it was auditioning for a roller coaster. It was easy to install, worked fast, and honestly cost a whole lot less than calling someone to make me feel silly. —Lauren Mitchell

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Why Delta 13/14 Multichoice Cartridge Replacement Is Necessary

I found that replacing the Delta 13/14 MultiChoice cartridge became necessary when my shower started leaking, dripping, or failing to control the water temperature properly. Over time, the cartridge inside the valve can wear out from regular use, mineral buildup, or age. When that happens, I noticed the handle may become harder to turn, the water may not shut off completely, or the temperature may suddenly change without warning.

For me, another big reason to replace it was comfort and safety. A worn cartridge can cause inconsistent hot and cold water mixing, which makes showering frustrating and sometimes even risky. Instead of dealing with constant adjustments or wasting water from a slow leak, replacing the cartridge restored smooth operation and gave me better control over my shower.

I also realized that replacing the cartridge was a smart maintenance step. It helped me avoid bigger plumbing problems later and brought my shower back to working like new without needing a full valve replacement. In my experience, it was a simple fix that made a noticeable difference in performance, reliability, and peace of mind.

My Buying Guides on Delta 13 14 Multichoice Cartridge Replacement

When I started looking for a Delta 13/14 MultiChoice cartridge replacement, I realized that not every cartridge is the same, even when the product names look similar. I wanted something that would fit properly, stop leaks, and restore smooth water control without turning a simple repair into a bigger project. Here’s the buying guide I wish I had when I first began.

1. Confirm Your Faucet Model First

The first thing I did was check whether my faucet was actually a Delta 13/14 Series MultiChoice model. This mattered because Delta makes several cartridges that look alike but are not interchangeable.

I found the model number on the trim kit, valve body, or product paperwork. If I had skipped this step, I could have bought the wrong cartridge and wasted time returning it.

2. Make Sure It Is Genuine Delta or High-Quality Compatible

I had to decide between a genuine Delta replacement and a compatible aftermarket option. For me, the safest choice was genuine Delta because I wanted the best fit and long-term reliability.

If I considered a compatible cartridge, I checked:

  • Material quality
  • Warranty
  • Customer reviews
  • Exact compatibility with Delta 13/14 MultiChoice valves

I learned that saving a few dollars upfront is not worth it if the cartridge leaks or fails early.

3. Check What Comes in the Package

Some cartridges come as a bare replacement part, while others include extra items like:

  • O-rings
  • Lubricant
  • Retaining clips
  • Installation instructions

I preferred a kit that included everything I might need. That made the installation easier and helped me avoid multiple trips to the store.

4. Look for Easy Installation Features

I wanted a cartridge that would be straightforward to install. A good replacement should slide in properly and align with the valve body without forcing it.

Before buying, I looked for:

  • Clear installation instructions
  • Compatible removal tool availability
  • Good user feedback about fit and ease of installation

If the cartridge is hard to install, it can signal poor quality or the wrong model.

5. Pay Attention to Symptoms Before Buying

I made sure the cartridge replacement matched the problem I was having. Common signs that told me I needed a new cartridge included:

  • Dripping from the shower or tub
  • Hard-to-turn handle
  • Temperature control problems
  • Water leaking from the handle
  • Reduced water flow

If my issue had been with the trim, handle, or valve body instead, a cartridge replacement alone would not have fixed it.

6. Compare Price With Warranty

I found that price differences can be misleading. A cheaper cartridge may seem like a bargain, but I always checked the warranty first.

A better warranty gave me more confidence that:

  • The part would last
  • The manufacturer stood behind it
  • I would have support if something went wrong

For me, warranty mattered almost as much as price.

7. Read Reviews From People With the Same Faucet

I paid close attention to reviews from buyers who specifically used the cartridge in Delta 13/14 MultiChoice valves. Their feedback helped me understand whether the part fit correctly and solved their leak or temperature issue.

I looked for comments about:

  • Exact fit
  • Smooth operation
  • Leak prevention
  • Durability after installation

Generic reviews were less useful than real-world experiences from people with the same setup.

8. Choose a Seller With Easy Returns

Even after checking everything, I wanted the option to return the cartridge if it did not fit. That gave me peace of mind.

I always preferred sellers that offered:

  • Simple return policies
  • Fast shipping
  • Responsive customer service

That way, if I ordered the wrong part, I would not be stuck with it.

9. Consider Buying the Right Tools Too

When I replaced my cartridge, I realized I might also need a few tools, such as:

  • Screwdriver
  • Allen wrench
  • Cartridge puller
  • Plumber’s grease

Sometimes the cartridge is hard to remove if it has been in place for years. Having the right tools ready made the job much easier.

10. Final Buying Tip

My biggest lesson was this: buy only after confirming exact compatibility. The Delta 13/14 MultiChoice system is reliable, but only if the replacement cartridge matches the valve correctly.

If I were buying again, I would choose:

  • The exact Delta-compatible cartridge
  • A trusted seller
  • A product with strong reviews and warranty
  • A kit that includes installation support or accessories

That approach gave me the best chance of fixing the problem once and doing it right.

If you want, I can also turn this

Final Thoughts

I’ve found that replacing a Delta 13/14 Multichoice cartridge is a straightforward way to restore smooth water flow and stop leaks without replacing the entire faucet. My key takeaway is that using the correct replacement part and following the installation steps carefully can save time, money, and frustration. In my experience, a proper cartridge replacement can make a big difference in how well the faucet performs.

Author Profile

Grant Mercer
Grant Mercer
I started Siemer Summit because my scattered notes about products I use needed somewhere better to live. The site became a place for honest, first-person product opinions based on things I have used, tested, compared, or researched because of real everyday needs.

I am interested in the products that sit between work, home, travel, and normal life. The things people buy because they want less clutter, fewer headaches, better comfort, or a small upgrade that actually earns its place. I am not here to make every item sound life-changing. Most products are not life-changing. Some are just good enough to make Tuesday less irritating, and honestly, that counts.

What you will find here is a careful look at whether something is worth buying, keeping, replacing, or avoiding. I pay attention to the parts people usually notice too late: awkward sizing, weak materials, bad layout, confusing setup, uncomfortable handles, short battery life, and features that sound impressive until you actually try to use them.