American Standard Faucet Replacement Cartridges
American Standard ceramic disc cartridges: M962240-0070A (most single-handle kitchen faucets, $10--$20 at Home Depot). American Standard Ceramic Disc Valve Kit (968194-0070A, 2-handle bathroom faucets, $8--$15). American Standard faucet O-ring kits available at Home Depot and through americanstandard-us.com at $5--$10. American Standard lifetime warranty: call 1-800-442-1902 with the product number for warranty cartridge replacement. American Standard is generally easier to find in-store parts for than Kraus or specialty brands -- most Home Depot and Lowe's locations stock the M962240 cartridge for common American Standard models.