DANCO Reduced-Lead, Cold Water Application Stem for Glacier Bay Faucet, Plastic, 3S-12C, 1-Pack (04995E) Constructed of a strong and durable plastic, meaning it was built for longevity. A perfect fit for Glacier Bay Faucet models 170-371, 174-138, 174-239 and 503-334, with an ID length of 3 and an S broach. This was designed for cold water application. This stem is cartridge-style. This is in compliance with the Reduction of Lead In Drinking Water Act.