Genuine Briggs & Stratton 394019S Air Filter (Replaces 394019 751-0427)

Genuine Briggs & Stratton 394019S Air Filter

(Replaces 394019 751-0427)

A box of four 394019S is part number 4136

This fit over the Briggs & Stratton Vertical Twin L Head
Was in a lot of Craftsmen
Model numbers 402700, 401700, 404700, 421700, 422700.
Replacement for a John Deere AM38990, Stens 100-164, Lesco 050380
Superseded part numbers 394019, 751-0427
The Pre-Filter for this is a 272490S
Filter Size 9 5/8” X 3 ½” ID 8 1/8” X 2 1/8”

If you are looking at aftermarket filters. On this one, I have notice looking at the screens holes are a lot bigger. There a lot more room for parts to come through and damage the engine.