Bosch NGM8659UC cutout dimensions (36-inch gas cooktop)

Bosch lists a required cutout of 34 15/16 in wide and 19 1/8 in deep for the 800 Series NGM8659UC.

Verify with the maker's installation instructions before you cut or buy. This page lists fit dimensions only. It is not installation guidance.

34 15/16" x 19 1/8"
Required cutout width x depth. Bosch prints the full figure as 2" x 34 15/16" x 19 1/8" (H x W x D).
Source: Bosch NGM8659UC spec sheet (PDF), dated 9/26 (accessed 2026-10-27), “Dimensions & Weight”. Last checked 2026-10-27.

Cutout and cooktop size

Dimension (H x W x D)Bosch figure
Required cutout size2" x 34 15/16" x 19 1/8"
Overall appliance dimensions4 1/2" x 37" x 21 1/4"

Source: Bosch spec sheet (PDF), page 1. The page 2 drawing repeats the cutout as 34 15/16 (887) by 19 1/8 (486), inches with millimetres.

Comparing with other 36-inch cooktops

Bosch's cutout width, 34 15/16 in, falls inside the KitchenAid KCGS556ESS range of 34 7/8 to 35 5/8 in. Bosch's cutout depth, 19 1/8 in, is below the KitchenAid minimum of 19 1/2 in. The two cutouts are close but not the same.

This comparison is our reading of the two makers' figures. KitchenAid figures: our KCGS556ESS page, from W11116971C.

What this page leaves out

The maker's document also covers electrical, gas, venting, support and clearance requirements. We do not repeat any of that here. Read those sections in the maker's installation instructions.

No affiliate links are live on this site. If we add any, we will mark them and explain them on our disclosure page. Links never change a dimension.

Sources

  1. Bosch, NGM8659UC spec sheet (PDF): https://media3.bosch-home.com/Documents/23536265_NGM8659UC_Spec_Sheet.pdf, accessed 2026-10-27
  2. BSH, NGM8659UC installation instructions (PDF): https://media3.bsh-group.com/Documents/8001287902_A.pdf, accessed 2026-10-27

Last checked 2026-10-27.