1.6 GPF Two-Piece Elongated Toilet with 12" Rough In from the Wellworth Collection
3 Steps to ordering parts
1. Confirm you have chosen the correct model number.
2. Browse the available parts below.
3. Choose quantity, finish if needed and add to cart.
Having trouble locating the part you need?
Call us Toll Free: (800) 864-2555
To find the stock and availability on parts, just choose the parts that you need and add them to your cart.
Can't open parts diagram?
Having trouble viewing the parts diagram? Download Adobe Acrobat Reader
Need to fix your Kohler K-3978? At FaucetDirect.com, all of our replacement parts list below are 100% genuine Kohler products. Use these parts to repair your fixture and restore it to its original condition. Use our repair parts diagrams to find the exact part for your K-3978. We help make repairing your fixture easy when you shop with us.
The Kohler K-3978 has 18 repair items that are compatable with the following Kohler SKUs:
K-3978-47, K-3978-96, K-3978-7, K-3978-NY, K-3978-95, K-3978-G9, K-3978-0 .
Order K-3978 Replacement Parts
Part Reference #
Kohler 1013092** -
Bolt cap accessory pack only
Part numbers (1013092-0) and (1013092-96) have been replaced by (GP1013092)
Elongated bowl gives a modern and comfortable look and feel extending out an extra 1-1/2" compared to a round configuration
Covered under Kohler's 1-year limited warranty
Made from porcelain for that clean and classic look
Floor mounted installation for the standard, contemporary bathroom
Seat is not included - must be purchased separately
Overall Height: 14-1/2" (measured from the bottom of the base to the highest point on bowl)
Overall Length: 28-3/4" (measured from the back of the bowl to the front of the rim)
Overall Width: 15-1/2" (measured from the furthest point on the left to the furthest on the right)
Water Area: 11-1/4" x 8-1/4" (inner rim dimensions length X width)
Trapway (Discharged Passageway) Size: 2-1/8"
Distance Between Toilet Seat Installation Holes: 5-1/2"
Gracious living is characterized by qualities of charm, good taste, generosity of spirit and the enhancement of nature. It is Kohler’s mission that you can improve your sense of gracious living with every experience you have with a Kohler product or service.
With everything that Kohler does it lives on the leading edge of design and technology, while maintaining a constant level of quality regardless of price. Kohler sets the standard of excellence in its field, and yet is constantly striving to improve.
From sustainable products in the kitchen and bath, to engines for lawn tractors and generators, to power systems that protect data centers and urban landscapes all over the world; this is what the Kohler Company is all about.
Exceptional Performance. Exceptional Value. Wellworth toilets have been an American benchmark for innovation and performance since 1936. With a new design in 2011, the Wellworth toilet brings and elegant flare that complements a wide range of bathroom designs.
12" (30.5 cm) rough-in
Class Five - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness
3-bolt Installation - Three pre-installed tank bolts save installation time
Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush
Bring graceful lines and a streamlined design to your bathroom with Wellworth accessories, which incorporate a contemporary sensibility. This sturdy metal trip lever is designed for use with Wellworth and Highline two-piece toilets and works in either left- or right-hand configurations.
Kohler K-9379 Features:
KOHLER finishes resist corrosion and tarnishing, exceeding industry durability standards two times
Metal construction for durability and reliability
For use with the Highline Collection two-piece toilets
Can be used for left-hand and right-hand tank configurations