This metal spline adapter, model GP1074231, is designed specifically for use with Kohler rough plumbing repair components including GP77005-RP, GP70006-RP, GP1092203, and GP1092204.

Constructed from durable metal, the adapter offers reliable long-term performance in various plumbing applications, particularly for shower valve or faucet spline engagement. The material composition provides stiffness and corrosion resistance, ensuring the adapter maintains its shape and function even under repeated use in wet or moist environments. Its compact design allows straightforward installation without specialized tools, catering to both professional plumbers and DIY enthusiasts seeking a dependable replacement part. The adapter works by connecting the splined end of a valve stem or handle to the corresponding internal spline in the plumbing fixture, enabling smooth and precise control of water flow and temperature. With a precise fit for the listed Kohler models, it eliminates wobble or play, contributing to a stable and consistent operating feel. The spline cut is exact, which minimizes wear on both the adapter and the mating component over time. This part is sold in a pack of ten, providing multiple units for large repairs or as a convenient inventory for recurring maintenance needs. In terms of construction quality, the metal is treated to resist corrosion and tarnish, which is critical for parts exposed to water or humidity. The finish is smooth and uniform, with no sharp edges that could damage seals or O-rings during installation. The adapter is lightweight yet robust, balancing easy handling with structural integrity. It is suitable for both new installations and retrofitting older Kohler systems that use spline-based connections. The part is manufactured to meet OEM specifications, ensuring compatibility and performance equivalent to the original component. The affordable price point of this adapter pack makes it a cost-effective solution for maintaining or repairing Kohler plumbing fixtures. Each unit is individually consistent in size and shape, reflecting strict quality control during production. The pack of ten allows for efficient project management, whether for a single large job or multiple smaller repairs. The adapter’s design emphasizes practicality: it requires no additional adapters or modifications, and its metal construction offers longer service life compared to plastic alternatives.

This spline adapter delivers essential functionality for Kohler rough plumbing systems, with robust materials and precise engineering to support reliable day-to-day operation.