HIFROM 394019S air filter front view for lawn mower compatibility
HIFROM 394019S air filter side view showing housing
HIFROM 398825 air filter top view highlighting dimensions
HIFROM 4136 close-up of filter material and seal
HIFROM 5052H label view with compatibility details
HIFROM 5052K packaged air filter ready for installation
HIFROM 272490 pre-filter inside view demonstrating filtration
HIFROM compatibility chart for models and engines
HIFROM mower fitment label showing supported brands and engines

HIFROM

HIFROM Air Filter for Lawn Mower — 394019S / 398825 / 4136 (Includes 272490 Pre Filter)

High-performance patio lawn and garden made for confident daily results

$14.91

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Why customers choose Cera Garden

Overview

The HIFROM air filter is designed to help your lawn mower breathe clean air, supporting steady operation in a range of conditions. Tailored for 12.5–20 HP L-head twin vertical engines, it acts as a barrier against dust and debris, helping to maintain smooth engine intake during routine yard work. While results can vary by usage, many customers find that proper filtration helps keep engines running cleanly in dusty or dry mowing environments.

Compatibility and Replacement Parts

  • Compatible with models such as 400700, 422700, 40A700, 42A700, 460700 and other listed engines within the 12.5–20 HP range.
  • Replacement for part numbers: 394019, 394019S, 398825, 4136, 5052H, 5052K; includes compatibility with Craftsman 24150 and John Deere AM-38990.
  • Pre filter compatibility: 272490S
  • Additional references include: Oregon 30-104, Prime Line 7-02240 series, Sunbelt B1SB2806, Rotary 2806

Product Specs

  • Air filter dimensions: L 9 5/8 in × W 4 in × H 2 1/2 in
  • Package includes: 1 x air filter
  • Pre filter compatibility to help extend filtration life

Quality, Support, and Use Cases

HIFROM emphasizes value with a professional factory background and technical support. A 3-month warranty accompanies the product, and seller support is available for questions or concerns. In everyday mowing scenarios, this filter is aimed at reducing intake of dust and debris, which can contribute to cleaner air inside the intake path and potentially steadier engine performance during long or challenging sessions.

Why Choose HIFROM

  • Focus on quality parts at a fair price.
  • Broad engine compatibility with common mower models and replacement families.
  • Clear part-number mappings and pre-filter compatibility for easier maintenance.

FAQ

Q: Which engines and models does the HIFROM air filter fit?

A: Fits 12.5–20 HP L-head twin vertical engines and listed models like 400700, 422700, 40A700, 42A700, 460700; replacement parts include 394019/394019S/398825/4136/5052H/5052K.

Q: What is included in the package and is there warranty support?

A: Includes 1 air filter; compatible pre filter 272490; backed by a 3-month warranty with seller support.

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