OEM-Compatible Replacement Plumbing Parts

Faucet cartridges, valve stems, shower cartridges, bibb seats & drain assemblies for Moen, Delta, Kohler, Pfister, Gerber & Grohe. Ships Prime.

OEM-Compatible
Brass Construction
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BEST SELLERReplacement for Moen 1200 1225
Replacement for Moen 1200 & 1225 Brass Cartridge
4H2615305
$23.98
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10-PACKReplacement for Pfister 970-500 Bibb Seats
Replacement for Pfister 970-500 Brass Bibb Seats
4HP85013
$21.98
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Replacement for Gerber 97-022 Shower Cartridge
Replacement for Gerber 97-022 Shower Cartridge
4H2608775
$44.98
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Replacement for Grohe 47080
Replacement for Grohe 47080 Pressure Balance
TW-6LSF-AQ9R
$34.98
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Replacement for Kohler K-304
Replacement for Kohler K-304 Shower Cartridge
4H2615173
$33.98
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Replacement for Pfister 910-382
Replacement for Pfister 910-382 Diverter Stem
4H2615652J
$19.98
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Replacement for Gerber 98-673 Stem
Replacement for Gerber 98-673 Shower Stem
4H2605778B
$18.98
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Replacement for Delta RP1740 Hot and Cold Faucet Stem
Replacement for Delta RP1740 Hot & Cold Stem
4H2305429A
$11.98
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Replacement for Glacier Bay Ceramic
Replacement for Glacier Bay Ceramic Cartridge
4H3355320CX6
$13.98
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Replacement for Kohler Rite-Temp
Replacement for Kohler Rite-Temp GP500520
4H2615119
$17.98
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NEWReplacement for Delta RP46074
Replacement for Delta RP46074 MultiChoice Cartridge
4H2615303-5
$39.98
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Cast Brass Lavatory Drain Pop-Up
Cast Brass Lavatory Drain Pop-Up Assembly 1.25"
AT-GLSD-VVLS
$32.98
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Pop-Up Drain Ball Rod Assembly
Universal Pop-Up Drain Ball Rod 6.5" Chrome
V7-4ZU5-D7B5
$11.99
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2-Pack Sink Drain Pop-Up Assembly
2-Pack Universal Sink Drain Pop-Up Assembly
4HB00018-21
$45.98
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Bathroom Sink Pop-Up Drain Assembly
Bathroom Sink Pop-Up Drain Assembly Chrome
GM-6QDC-GUC7
$16.98
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Replacement for Moen 1222 Posi-Temp
Replacement for Moen 1222 Posi-Temp Cartridge
4H2615307B
$32.98
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Moen 1222 Cartridge Removal Tool
Moen 1222 Cartridge Removal Tool 5-Pack
4H2615306-2-1
$9.98
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Moen 1200 1225 Cartridge Tool
Moen 1200/1225 Cartridge Tool 5-Pack
4H2615303-5
$9.98
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Universal Sink Drain Stopper 5-Pack
Universal Sink Drain Stopper Plug 5-Pack
4H815A520
$17.98
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Replacement Kohler Diverter Stem
Replacement for Kohler Diverter Stem 10616
4H2615114
$27.98
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Replacement for Moen 1225B Cartridge
Replacement for Moen 1225B Push-Pull Brass Cartridge
4H1615303
$16.98
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Replacement for Pfister 972-691A Pop-Up Stopper
Replacement for Pfister 972-691A Sink Drain Stopper
35-ZAB4-BE07
$12.99
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Replacement for Mixet MS-5AT Cartridge
Replacement for Mixet MS-5AT Single-Handle Cartridge
4H2615348D
$19.98
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Replacement for Pfister 910-374 Stem
Replacement for Pfister 910-374 & 910-013 Faucet Stem
4H2615651J
$18.98
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Replacement for Sayco 308 Shower Stem
Replacement for Sayco 308 & T-308 Hot Shower Stem
4H2615951
$18.98
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Replacement for Delta RP12631 Stem Extension
Replacement for Delta RP12631 Stem Extension Hot & Cold
4H2305427
$11.98
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Replacement for Delta RP25513 Faucet Stem
Replacement for Delta RP25513 Faucet Stem Brass Assembly
4H2305440
$12.98
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Replacement for Delta RP19804 Monitor Cartridge
Replacement for Delta RP19804 Monitor 1300/1400 Cartridge
4H2605441A
$39.98
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Sink Drain Pop-Up Assembly Chrome
Sink Drain Pop-Up Assembly Chrome 8.5in
4HB00018
$24.98
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Sink Drain Pop-Up Assembly Brushed Nickel
Sink Drain Pop-Up Assembly Brushed Nickel 8.5in
4HB00021
$24.98
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Our Manufacturing

Built Where the OEM Parts Are Built

FourHome parts come from the same factory that produces OEM cartridges and valve components for the biggest names in plumbing. Same brass alloys. Same CNC tolerances. Same quality testing. You just skip the brand markup.

Precision forged brass cartridge parts
6M+

Decades of Precision Manufacturing

Every cartridge starts as solid brass rod, forged and machined to exact OEM specifications. Our manufacturing partner produces over 6 million precision plumbing parts per month for brands sold worldwide.

Multi-spindle CNC machining center
0.01mm

OEM-Spec Fit, Every Time

Multi-spindle CNC centers hold tolerances to 0.01mm - the same machines and specs used for national brand cartridges. Drop-in fit with no filing, no forcing, and no guesswork.

Factory worker packing cartridges into clamshell packaging
2-Day

Direct to Your Door, Ships Prime

No distributor markup. Parts ship directly from Amazon fulfillment centers to your door in 2 days. Professional-grade quality at prices that make sense for DIY and bulk buyers alike.

How We Compare

OEM-Spec Quality at Aftermarket Pricing

Cheap imports cut corners on material and tolerances. National brands deliver quality but crush your margins. FourHome gives you the sweet spot.

National FOURHOME Other Importers
Product Cost High Mid to Low Mid to Low
Product Quality High High Mid to Low
Product Performance High High Mid to Low
Topline Revenue Driver High Mid Mid to Low
Unit Sales Driver Mid High High to Mid
Gross Margin Lever Low High High

Shop by Brand

All brands →

Moen

1200/1225 Cartridge1222 Posi-TempRemoval Tools

Delta

RP1740 StemRP46074 CartridgeRP19804 Monitor

Kohler

K-304 CartridgeRite-Temp GP500520Diverter 10616

Pfister

910-382 Diverter970-500 Bibb Seats910-374 Stem

Gerber

97-022 Cartridge98-673 StemAll Gerber

Grohe

47080 Pressure Bal.All Grohe
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Shop by Application

12+ partsSink faucet icon

Sink

Faucet cartridges & drain parts

 8+ partsShower icon

Shower

Pressure-balance & thermostatic

 6+ partsTub icon

Tub

Diverter stems & tub valves

Shop by Category

All →
Cartridges

Cartridges

Faucet & shower
Stems

Stems

Hot, cold & diverter
Bibb Seats

Bibb Seats

Brass seats & washers
Drain Assemblies

Drain Assemblies

Pop-up & sink drains
Tools

Tools

Removal & install tools

Repair Guides & Industry Insights

CNC machine manufacturing brass faucet cartridge on precision assembly line
NEW - Buying Guide

How to Identify Which Faucet Cartridge or Stem You Need (Complete Cross-Brand Guide)

Don't order the wrong part. This guide covers every major brand - Moen, Delta, Kohler, Pfister, Gerber, Grohe, Glacier Bay and more - with part numbers, cartridge vs stem identification tips, and direct links to the right replacement.

Read the full guide
Hands installing a brass faucet cartridge into a shower valve body through white tile
🔧Repair Guide

How to Replace a Moen 1200 or 1225 Cartridge in 15 Minutes

A dripping Moen single-handle faucet is one of the most common kitchen and bathroom repairs. The internal cartridge controls water flow and temperature, and swapping it takes about 15 minutes with basic tools.

Read full guide →
Chrome shower valve trim plate with showerhead and brass valve body for cartridge replacement
⚠️Troubleshooting

5 Signs Your Shower Cartridge Needs Replacing (And Which Part to Buy)

Shower cartridges degrade slowly over months or years. By the time you notice symptoms, the cartridge has been failing for a while. Here are the five warning signs and what to do about each one.

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AI robot plumber with wrench repairing pipes under a bathroom sink
🤖AI & Plumbing

How AI is Reshaping the Plumbing Repair Parts Industry in 2026

The plumbing supply chain hasn't fundamentally changed in 40 years. AI is compressing what would have been a decade of evolution into the next 24 months. From predictive maintenance to visual part identification.

Read full article →
Hands applying plumber's putty to a pop-up drain assembly for bathroom sink installation
🔧Repair Guide

The Complete Guide to Bathroom Sink Pop-Up Drain Assemblies

How to choose between brass and plastic, install a new assembly in 15 minutes, fix the 5 most common drain problems, and find the right replacement for your bathroom sink.

Read full guide →
Plumber pulling out an old mineral-caked Moen 1222 Posi-Temp shower cartridge from a tiled shower valve
NEW - Shower Repair Guide

How to Replace a Moen 1222 Posi-Temp Shower Cartridge in 20 Minutes

The single most replaced shower part in American bathrooms. No tile work. No plumber. Step-by-step with the puller tool that saves the job - plus the OEM-compatible replacement that fits every post-2009 Moen single-handle shower.

Read full guide →