NIDIOCIP RP50587 Valve Cartridge for Delta DST Faucets – Includes Allen Wrench

The NIDIOCIP RP50587 valve cartridge is a purpose-built replacement designed to fit Delta RP50587 cartridges in many DST single-handle kitchen and lavatory faucets. This compact component helps restore precise water control while keeping the faucet looking and feeling like new.

Broad compatibility for DST single-handle faucets

Designed to work with a wide range of DST single-handle faucet configurations, this cartridge accommodates numerous models across a large compatibility spectrum, including 100, 101, 140, 141, 400, 440, 441, 470, 501, 520, 522, 978, 1353, 1903, 4140, 4153, 4353, 4453, 9178, 9678, 9978, 16968, 16970, 19888, and 19950Z. If your faucet model falls within this lineup, you’ll likely appreciate the straightforward replacement experience.

What makes it a practical daily upgrade

An orange temperature limiter tab on top provides a built-in cap for hot water, helping you maintain comfortable use without guesswork. The unit combines ceramic with heat-resistant plastic, delivering a balance of smooth operation and durability that resists wear and corrosion over time.

In rigorous testing, the design demonstrates leak-resistant performance across tens of thousands of cycles, addressing common faucet drips and leaks and supporting reliable operation during everyday tasks such as hand washing, dish prep, and pot filling.

Easy installation and what you get

The replacement kit includes a brass bonnet nut (RP51503) and an Allen wrench, enabling a straightforward installation without professional help and potentially reducing service time and costs. The compact cartridge is designed for a clean fit and quick swap-in, so you can complete maintenance steps with minimal downtime.

• Perfect compatibility with DST single-handle kitchen and lavatory faucets across a broad model range
• Temperature control via the orange limiter tab for safe, predictable water temperature
• Durable ceramic and heat-resistant plastic construction resists wear and corrosion
• Leak-resistant design tested across thousands of cycles for dependable operation
• Easy installation with included brass bonnet nut and Allen wrench

• What’s in the pack: RP50587 cartridge, RP51503 brass bonnet nut, and an Allen wrench