Direct replacement for Sayco HK-40, Lasco 0-1274, Belanger FC9AC010, Kissler 46-6267, and Glacier Bay/Hain-Yo models. Fixes 90% of tub/shower cartridges with a *3-⅛” (78mm) length* and *1-⅝” (40mm) width Effortless 7-Step Install: No plumber needed! Shut off water, remove the handle screw/retaining nut (counter-clockwise), swap cartridges, and reassemble—restore water flow in 15 minutes with basic tools. OEM Precision Mixing: Engineered by Hain-Yo experts to balance hot/cold water perfectly—prevents sudden temperature shifts and maintains steady pressure for showers, baths, and sinks. Exact Dimensional Match: Square broach + threaded adapter seamlessly integrates with existing handles (set screw or screw-mounted). No modifications required—fits like the original! Save Hundreds: Skip replacing the entire valve! This budget-friendly cartridge solves leaks, stiffness, and drips at 1/10th the cost of a full plumbing overhaul Universal Compatibility: Direct replacement for Sayco HK-40, Hain-Yo JH01GJ, Lasco 0-1274, Belanger FC9AC010, Kissler 46-6267, Matco 0-1274, and Glacier Bay systems. OEM Precision Mixing: Advanced ceramic discs and brass core balance hot/cold water perfectly—no sudden scalds or freezing shocks! 7-Minute DIY Fix: Follow simple steps (shut off water → remove handle → swap cartridges → reassemble) to restore your shower in under 15 minutes. Exact Fit Guarantee: 3-⅛” (78mm) length + 1-⅝” (40mm) width with a square broach and threaded adapter—seamlessly integrates with existing handles (set screw or screw-mounted). Save $300+: Why replace the whole valve? This budget-friendly cartridge fixes 90% of leaks, stiffness, and drips for a fraction of the cost!