Air Filter Kohler #45 883 02-S | ESF101-305

The ESF 101‑305 Air Filter is a high‑quality replacement intake filter crafted to protect small gas engines from harmful airborne contaminants. Made to OEM‑equivalent standards, this filter works in tandem with its pre‑filter (101‑318) to deliver enhanced engine protection and long service life. Ideal for Onan engines (BF, BFA, BG, BGA, B43 series) and other compatible outdoor power equipment, the ESF 101‑305 helps ensure clean airflow for smoother running and reduced wear. It’s part of the trusted Équipements ESF lineup — a Canadian leader in outdoor power parts and accessories.

• OEM‑Equivalent Air Filtration (with pre‑filter support) — Designed to work with ESF pre‑filter 101‑318 for complete protection against dirt and debris, helping maintain peak engine performance.
• High‑Efficiency Filter Media — Captures fine particles before they reach the engine, protecting internal components from abrasive wear and clogging.
• Robust Construction — Durable materials stand up to outdoor use and long service intervals, meaning fewer filter changes and reduced service time.
• Direct Fit Replacement — Easy to install into compatible engine air intake systems with no modifications required, saving technician time and minimizing downtime.
• Improved Combustion & Performance — Cleaner air intake supports more efficient fuel combustion, contributing to smoother starts and stable power delivery.
• Extends Equipment Lifespan — By preventing contaminants from entering the engine, the filter helps reduce long‑term wear and costly repairs.
• Trusted ESF Support — Part of the extensive Équipements ESF parts ecosystem, backed by decades of industry experience and broad parts availability.