What fits my KOHLER single-flush canister?

Manufacturer-backed replacements for the KOHLER single-flush canister include GP1059291 (canister seal). Fit was checked against the manufacturer sources linked below.

KOHLER single-flush Class 5 / Class 6 canister toilets · Identify by: Flush system

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Canister seal

GP1059291

Genuine seal for KOHLER single-flush Class 5 and Class 6 canister toilets.

Search Amazon KOHLER GP1059291

✓ Fit checked with manufacturer source

Fill valve

GP1138930

KOHLER Silent Fill service kit used across popular KOHLER toilet collections. Verify your toilet model before ordering.

Search Amazon KOHLER GP1138930

Shopping search only · confirm the listing names your exact model

Fit checked Aug 11, 2026Manufacturer sources only for fit verification.

KOHLER canister seal · KOHLER fill valve

The canister seal is the high-confidence result here; fill-valve fit can vary by toilet model.

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