Kawasaki Small Engine Parts for Commercial Mowers

Kawasaki small engine parts deliver professional-grade reliability for landscapers who can’t afford downtime. Their air filters and primer bulbs work across multiple commercial mower brands — not just Kawasaki equipment.

The 300057 air filter fits Kawasaki V-twin engines from 15 to 21 HP, covering the FH318V through FR730V engine models that power zero-turn mowers from Cub Cadet, Hustler, John Deere, and Gravely. The multi-layer paper filtration media with polyurethane seals keeps dust out of engines working Montana’s dry summer conditions.

Professional-Grade Specifications That Matter

Users report high satisfaction with fitment and durability as direct replacements for factory filters, averaging 4.5 out of 5 stars for Kawasaki V-twin air filters. The precision matters — at 7.38” x 4.31” x 1.00”, these filters snap in without modification.

Specification	Value	Source
Dimensions	7-3/8” x 4-5/16” x 1”	(manufacturer)
Weight	0.2 to 0.3 lb	(manufacturer)
Material	Multi-layer paper with polyurethane	(manufacturer)
Engine Range	15 HP - 21 HP V-twins	(manufacturer)
Warranty	1 Year manufacturer’s warranty	(manufacturer)

Montana’s high-dust environments demand more frequent maintenance than the standard schedule. Inspect every 25 hours; replace annually or more frequently in heavy debris environments. During peak mowing season, that 25-hour mark comes fast for commercial crews.

Oregon 30-057 matches OEM specs as a high-quality alternative, while Stens 102-354 and Rotary 10313 serve as common replacements often found in bulk. Oregon’s reputation in the aftermarket gives contractors confidence when OEM parts aren’t readily available.

Small Engine Parts That Keep Crews Working

The 55-118 primer bulb fits Kawasaki engines across their small engine lineup. Standard snap-in installation requires no tools for most housing units — critical when a no-start situation hits mid-job.

Oregon’s 30-164 pleated paper air filter measures 6-5/8” x 2-3/4” x 3” and replaces Kawasaki filters in other engine models. Having cross-compatible parts means repair shops can stock fewer SKUs while covering more equipment.

Use of Oregon 30-921 pre-cleaner is highly recommended for extending filter life in dusty conditions. Pre-cleaners catch the big debris before it hits the main filter — smart insurance for protecting your main filter investment.

Compliance is designed to meet or exceed general-purpose engine OEM dust-holding standards. These aren’t knock-off filters that let dirt bypass the seals. Precision engineered seals prevent unfiltered air bypass — the detail that separates professional parts from homeowner-grade alternatives.

For landscaping contractors running mixed fleets, Kawasaki’s engine parts ecosystem simplifies maintenance. One filter design covers multiple mower brands. One primer bulb works across the engine family. That versatility matters when crew trucks carry limited spare parts inventory.

Frequently Asked Questions

Q: What Kawasaki engines does the 300057 air filter fit?

The Kawasaki 300057 air filter fits V-twin engines from 15 to 21 HP, including models FH318V, FH430V, FR481V, FR600V, FR651V, FR691V, and FR730V. These engines power zero-turn mowers from Cub Cadet, Hustler, John Deere, and Gravely.

Q: How often should I replace Kawasaki air filters in dusty conditions?

Inspect Kawasaki air filters every 25 hours and replace annually or more frequently in heavy debris environments. Using an Oregon 30-921 pre-cleaner extends filter life by catching large debris before it reaches the main filter.

Q: What are the exact dimensions of the Kawasaki 300057 air filter?

The Kawasaki 300057 measures 7-3/8” long x 4-5/16” wide x 1” high (7.38” x 4.31” x 1.00”). The filter features multi-layer paper filtration media with polyurethane housing and seals.

Q: What aftermarket alternatives work for Kawasaki air filters?

Oregon 30-057 matches Kawasaki OEM specifications as a high-quality alternative to the 300057. Stens 102-354 and Rotary 10313 serve as common replacements.

Q: Does the Kawasaki 55-118 primer bulb require tools to install?

No, the Kawasaki 55-118 primer bulb uses standard snap-in installation requiring no tools for most housing units. This allows quick field repairs when equipment won’t start.

Q: What warranty comes with Kawasaki replacement air filters?

Kawasaki air filters carry a 1-year manufacturer’s warranty through authorized dealers. Return policies vary by retailer, with options ranging from 30-day returns at Walmart to 365-day returns at Agri Supply.