Kohler Undertone 43″ Undermount Kitchen Sink – Stainless Steel – K-3188-NA

This KOHLER Undertone 43″ under-mount single-bowl kitchen sink (Model K-3188-NA) brings serious workspace to the kitchen. Constructed of professional-grade stainless steel with KOHLER’s SilentShield® sound-absorption system, it’s built for heavy prep, cleanup, and premium setups. The long 43″ trough layout is ideal as a secondary sink or main kitchen workhorse in upscale remodels.

🔧 KEY FEATURES

• Model: K-3188-NA

• Finish: Stainless Steel

• Installation: Undermount (under-counter) Studio Kohler

• Size: 43″ length x approx 8-1/4″ width x 5-5/16″ depth Kohler Resources

• Material: Premium 16-gauge stainless steel basin Kohler Resources

• Sound-Absorption: SilentShield® technology for quieter use First Supply

• Bowl Configuration: Single bowl, no faucet holes Kohler Resources

📐 SPECIFICATIONS

• MPN: K-3188-NA

• UPC: 087206905131 Guillens+1

• Overall Size: 43″ x 8-1/4″ x ~5-5/16″ depth Kohler Resources+1

• Gauge: 16-gauge stainless steel Kohler Resources

• Drain Opening: ~3-5/8″ Kohler Resources

• Minimum Cabinet Size: 45″ wide cabinet recommended Kohler Resources

• Finish: Brushed/standard stainless steel — no colored coating

📦 WHAT’S INCLUDED

• Kitchen sink basin (K-3188-NA)

• Hardware kit (if still in box)

• Original box (open-box)
  (Mounting clips, sealant, and faucet not included unless stated.)

🚚 SHIPPING & HANDLING

• Handling time: 1 business day

• Shipping: Heavy item — boxed, padded, insured

• Carrier: UPS or freight service depending on destination/weight

• Buyer pays shipping unless otherwise arranged

⚠️ IMPORTANT NOTES & BUYER ALERTS

• This is a large 43″ trough sink — measure your cabinet space and sink access.

• Undermount installation required; compatibility with countertop material must be verified.

• Finish is plain stainless steel (not brushed nickel or custom finish).

• Open-box condition; buyer reviews on arrival are critical.

• Due to size/weight, shipping cost will be higher; factor that into your offer.

🚀 CALL TO ACTION

Get a premium KOHLER 43″ under-mount kitchen sink at a fraction of new retail. This model is built for serious kitchens and commands a high price — your chance to scoop a high-value item and move it fast.
Buy It Now or send your best offer — I ship fast and secure.