Kohler Genuine Parts GP77759 Rite-Temp Mixer Cap Kit For Pressure Balance 1.5-in Shower Valve Overview: The Kohler GP77759 Mixer Cap Kit is a genuine OEM replacement part designed to restore original performance and ensure durability for Kohler Rite-Temp shower valves. Ideal for repairs or maintenance, it ensures safe temperature control and smooth handle operation. Key Features: Genuine Kohler Part – Ensures quality, compatibility, and longevity. Fits Most Rite-Temp Shower Valves – Including models K-304, K-11748, and K-1362395. Temperature Limit Stop – Offers safe water temperature control. Smooth Handle Rotation – Restores proper function to your shower. Compatible with Kohler Trim – Designed for seamless integration. OEM Replacement Kit – Includes GP800820 (cartridge) GP77759 (mixer cap); replaces older part numbers such as GP500520 and GP876851. Specifications: Manufacturers: Kohler Brand Name: Kohle Part Number: GP77759 Model Number: K-GP77759 Plumbing Part Type: Mixer Cap Material: Plastic Color: Black Number of Pieces: 1 Finish: No Finish Advanced Features: None Certifications: None Assembled Dimensions: 1.98" L x 0.93" W x 0.58" H Weight: 0.38 lb Inlet Diameter: 3? Packaging Type: Clamshell Returnable: Yes Country of Origin: USA UPC: 650531630650 Warranty: One-Year Limited Compatibility Fits Kohler Rite-Temp 1/2? pressure balance shower valves. Replaces/Compatible with: K-304, K-11748 K-1362395 Old Part Numbers: GP500520, GP876851, 73923 / 73923AA Kit numbers: 68510KIT, ST10511-509