Canister seal
Genuine seal for KOHLER single-flush Class 5 and Class 6 canister toilets.
✓ Fit checked with manufacturer source
✓ Manufacturer-backed fit available
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.
Verified fitCanister seal · GP1059291
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Fill valve
GP1138930
KOHLER Silent Fill service kit used across popular KOHLER toilet collections. Verify your toilet model before ordering.
Shopping search only · confirm the listing names your exact model
Fit checked Aug 11, 2026Manufacturer sources only for fit verification.
The canister seal is the high-confidence result here; fill-valve fit can vary by toilet model.
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Compatibility scope
A verified match on this page applies to the replacement need shown. Manufacturers can use suffixes, revisions, production dates, or platform details that change other parts. If your product label has extra characters, use the full model number before buying.