Yerbay 394018 Air Filter Kit for B&S & John Deere – Pre Cleaner for 12.5–21HP Vanguard OHV Engines

Overview

Meet the Yerbay 394018 air filter kit, designed as an aftermarket replacement for a broad range of Briggs & Stratton and John Deere engines. This combo package includes a primary air filter and a pre-filter, engineered for compatibility with 12.5–21 HP Vanguard OHV units and related John Deere/LG series engines. The aim is to deliver improved filtration and airflow in everyday mowing sessions, helping your equipment breathe easier during regular maintenance.

The construction emphasizes filtration accuracy and durability. A metal mesh protection layer supports the filter under dusty conditions, helping to maintain steady airflow and resist premature wear. While aftermarket, the kit is designed to align with common OEM footprints, making installation straightforward for many compatible mower configurations.

What’s included

• Air filter replacement for the 394018 family (OEM alternatives)
• Pre-filter replacement for the 271271/272490 family (OEM alternatives)
• Mounting hardware and seals where applicable

Key benefits

• High filtration accuracy helps capture fine particulates in typical yard environments
• Metal mesh protection extends filter life and supports consistent air flow
• Broad compatibility with Briggs & Stratton Vanguard 12.5–21 HP engines and John Deere/LG models
• Effortless aftermarket replacement designed to fit a wide range of mower configurations
• Backed by a 1-year protection plan and responsive after-sales support

Compatibility and use

The kit is designed for Horizontal (L-Head) Twin and Vanguard OHV configurations, suitable for both horizontal and vertical layouts within the 12.5–21 HP range. It pairs with engines and mower lines listed below for quick reference.

• Briggs & Stratton: 394018, 394018S, 392642, 271271, 272490, 5050H, 5050B, 4135
• John Deere / LG series: LG394018JD, GT235, GT235E, LTR155, LTR166, LT166, LT170, LX288, SST16, SST18
• Additional fits: SABRE 1842GV/1842HV, 1848GV/1848HV and related units listed in the product details

Important notes

This is an aftermarket replacement and is not manufactured or authorized by Briggs & Stratton.

Real-life use cases

During spring maintenance or on dusty lawns, users may swap in this kit to refresh air intake paths. The pre-filter design helps reduce clogging on first pass, while the main filter supports airflow across variable mowing conditions—from damp grass to dry soil.

Maintenance and support

• Inspect for wear and replace as part of routine service
• Keep sealing surfaces clean to maintain a proper fit
• Reach out for installation guidance or compatibility confirmation

After-sales

We provide 1-year protection for you after your purchase. If you encounter any issues or have questions about fit and performance, our team is ready to help.