Briggs & Stratton 38, 43, 47, 58 in riding mower engines. The engine models in question are used in e.g.
newer Husqvarna Riders (front mower) and Walker high-speed mowers.

Dimensions:
Length: 187mm
Outer diameter: 89mm
Mouth opening hole: 46mm

Fits:
Briggs & Stratton Engines: 38, 43, 47, 58
John Deere: CH25, CH26, TH26
Kohler
Walker

Replaces original numbers:
Briggs & Stratton 820263
John Deere M113621, M137393
Kawasaki 11013-1209
Kawasaki 11013-7029
Kawasaki 11013-7048
Kohler 25 083 02, 25 083 02-S
Kubota K1211 -82320
Toro 93-2195
Walker5090-01