KOHLER K-4774-0 Brevia Elongated Toilet Seat
- Elongated, closed front for most elongated toilets
- Quick-Release hinges, seat lifts off for cleaning
- Quick-Attach hardware for install
- Grip-Tight bumpers hold the seat in place
- 18.63 x 14.19 inches, 4 pounds
- One-year limited warranty
- Not returnable once opened
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A plastic elongated seat that lifts off its hinges for cleaning and installs with quick-attach hardware. Check your bowl shape first, because an opened seat cannot be returned.
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ASIN: B0056LI5PKModel: Brevia K-4774Category: Toilet Seats
Colors Available
Sizes Available
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Overview
Kohler builds the Brevia as a closed-front elongated seat in stain resistant plastic with color-matched hinges. Quick-Attach hardware mounts it to the bowl, and Quick-Release hinges let you lift the seat off for cleaning and click it back on.
Cleaning around the bolt area is where the Quick-Release design pays off, since the seat lifts away in one motion. Returns are the risk: an opened seat cannot go back, so confirm the bowl is elongated before you open the box.
Who it's for
Households replacing a worn seat on an elongated toilet get easy removal for deep cleaning. Owners of round bowls, or buyers unsure of their bowl shape, should measure before ordering.
Pros and cons
- Lifts off hinges for full cleaning
- Quick-Attach hardware speeds install
- Grip-Tight bumpers limit shifting
- Plastic resists stains, chips, fading
- Not returnable once opened
- Slow-close lid not listed
- Plastic hinges, not metal
- Elongated bowls only
Performance notes
Seat stability comes from the Grip-Tight bumpers pressing against the bowl and the Quick-Attach hardware, which Kohler says helps prevent loosening. The plastic shell resists staining, chipping and fading, which governs how it looks after years of cleaning.
Specifications
| Brand | Kohler |
|---|---|
| Model | Brevia K-4774 |
| Dimensions & fit | |
| Item weight | 4 pounds |
| Item Dimensions L x W | 18.6 × 14.2 inches |
| Construction & materials | |
| Material Type | Plastic |
| Color | White |
| Compatibility & installation | |
| Installation hardware | Quick-Attach |
| Warranty & support | |
| Manufacturer Warranty Description | One year limited warranty |
| Other details | |
| Shape | Oblong (elongated) |
| Hinge type | Quick-Release, color-matched plastic |
| Operation Mode | Manual |
| Front style | Closed front |
Frequently asked questions
How do I clean around the Kohler Brevia seat hinges?
Lift the seat off with the Quick-Release hinges, wipe around the bolt areas, then click the seat back in place.
Is the Kohler Brevia a slow-close seat?
The listing does not mention a slow-close or quiet-close feature, so do not count on one.
Will the Kohler Brevia seat loosen over time?
Kohler says the Quick-Attach hardware helps prevent the seat from loosening, and the Grip-Tight bumpers hold it firmly in place.