SOASEMBE RP50587 Delta Faucet Cartridge Replacement for DST Single-Handle Faucets with RP51503 Bonnet Nut

Upgrade your Delta DST faucet with the SOASEMBE RP50587 cartridge replacement. This direct substitute restores smooth operation and reliable sealing, tailored for a wide range of Delta single-handle kitchen and lavatory faucets. The package includes two seals, one preinstalled, ready for a quick, practical upgrade without hunting for compatible parts.

Precise fit for a broad range of Delta DST faucets

The RP50587 cartridge is engineered as a precise replacement for Delta RP50587 valve cartridges, designed to match the performance of your existing setup. It supports common single-handle kitchen and bathroom models such as 100, 101, 140, 400, 440, 441, and more. The design focuses on compatibility to reduce guesswork and ensure dependable operation.

• Direct replacement for the Delta RP50587 cartridge valve
• Compatible with many Delta DST models

Safety and temperature control

Equipped with an adjustable temperature limit stop, this cartridge lets you cap the maximum hot water temperature. This feature supports safer daily use for households with kids or seniors, helping you maintain a comfortable and controlled water experience.

• Adjustable stop to limit hot water temperature
• Family-friendly design for safer use

Leak resistance and durability

The kit includes two chloroprene rubber seals to enhance wear resistance and minimize drips. Built with a sturdy ABS body and corrosion-resistant internal components, it’s designed to hold up to daily use and resist deformation over time.

• Two seals for improved leak resistance
• ABS construction with corrosion-resistant internals

DIY-friendly, cost-effective solution

Replacing a faucet cartridge can be a straightforward DIY task when you have the right parts. This kit provides a cost-effective alternative to expensive replacements, backed by a 12-month warranty and hassle-free returns. The package includes the RP51503 bonnet nut to simplify secure seating of the new cartridge.

• Affordable DIY fix with included bonnet nut
• 12-month warranty and hassle-free returns

What’s included

• RP50587 cartridge valve
• Two seals (one preinstalled)
• RP51503 bonnet nut

Installation notes

Shut off the water supply, remove the old cartridge, align the new RP50587, and reassemble using standard faucet repair steps. If you’re unsure about the process, professional installation can help ensure proper seating and a leak-tested final setup.