Keeping your Kawasaki lawn-mower engine in great condition starts with clean, well-filtered oil. A quality oil filter removes metal fragments, carbon deposits, and sludge that can damage internal components.
Oil Filter For Kawasaki Lawn Mower Engine
1. Kawasaki OEM Oil Filter (Part No. 49065-7007 / 49065-0721)
This is the official factory filter designed specifically for Kawasaki small engines. It’s the safest choice when you want guaranteed compatibility.
Features:
- Designed to meet Kawasaki’s factory specifications
- Perfect fit for most Kawasaki V-twin mower engines
- High-quality filtration media
- Durable housing and gasket for leak-free operation
- Ideal for users who prefer OEM maintenance
2. Hiflofiltro HF204
Hiflofiltro is known for high-quality filters for motorcycles, UTVs, and small engines. The HF204 fits a variety of Kawasaki mower engines and is a popular aftermarket option.
Features:
- Consistent pleated filtration media for increased surface area
- Excellent durability and sealing performance
- Often rated for finer filtration than budget filters
- Reliable and affordable for regular maintenance
- Widely cross-referenced across multiple small-engine models
3. Briggs & Stratton 492932 / 492932S Compatible Filter
Although branded for Briggs engines, this filter is widely used as a compatible replacement for several Kawasaki engine models.
Features:
- Compatible thread size and dimensions for many Kawasaki engines
- Dependable OEM-level construction
- Good filtration for routine mower use
- Easy to find and reasonably priced
- Available in single and multi-packs for maintenance planning
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4. Premium Replacement Filters (Compatible with Kawasaki 49065 Series)
Several reputable aftermarket brands manufacture replacement filters that match Kawasaki’s 49065-7007 and related specifications. These are built for users wanting strong performance without paying OEM pricing.
Features:
- Designed for 4-cycle, pressure-lubricated engines
- Often advertise fine filtration around 25 microns
- Reinforced canister and high-durability gasket
- Reliable oil flow and pressure stability
- Excellent value when purchased in multi-packs
5. Rotary / ROP Shop / Generic Multi-Pack Replacement Filters
Budget-friendly multi-packs are ideal for homeowners or landscapers who maintain several mowers. These filters are made to fit Kawasaki’s common oil-filter dimensions.
Features:
- Affordable per-filter cost when bought in sets
- Compatible with common Kawasaki small-engine threads and sizes
- Suitable for regular seasonal oil changes
- Practical for commercial operators maintaining multiple machines
- Good option when you need functional filtration at a low cost
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What to Look for in a Kawasaki Oil Filter
Before buying a replacement, check the following:
- Correct fit and thread size – Most Kawasaki filters use a 3/4″-16 thread, but always confirm your engine’s exact part number.
- Filtration quality – Look for durable media that filter fine particles (20–30 microns is common for quality filters).
- Anti-drainback valve – Helps maintain oil pressure and prevents dry starts.
- Build quality – Sturdy canister walls, reliable gasket, and good sealing reduce the risk of leaks.
- OEM vs. aftermarket – OEM guarantees fit. The aftermarket often provides equal or better performance at a lower cost.
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How to Choose the Right Filter
Follow these steps to ensure the perfect fit:
- Find your engine’s filter part number – Check your owner’s manual or engine label.
- Match the thread size and height – Even small differences can lead to leaks.
- Select OEM if unsure – OEM filters guarantee proper fitment and performance.
- Use premium aftermarket options for value – Hiflofiltro and high-quality replacements are excellent choices.
- Check buyer reviews – Helps confirm real-world fit and durability.
Oil Filter Installation Tips
- Warm the engine slightly before draining the oil.
- Clean the mounting area before installing your new filter.
- Apply a light coat of oil to the new filter’s rubber gasket.
- Screw the filter on by hand until snug – do not overtighten.
- Refill with the correct oil viscosity recommended for your Kawasaki engine.
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FAQs
What kind of oil does a Kawasaki lawnmower engine take?
Most Kawasaki lawn-mower engines use 4-stroke detergent oil meeting API SF, SG, SH, SJ, or SL. The commonly recommended viscosities are SAE 10W-30 for general use and SAE 10W-40 for wider temperature ranges. In very hot climates, 20W-50 may be used, while 5W-20 or 5W-30 may be suitable for cold weather.
What oil filter fits a Kawasaki FR691V?
The Kawasaki FR691V typically uses an oil filter from the 49065 series, most commonly 49065-0721. Any filter that is a verified replacement for this part number and uses the 3/4″-16 thread will fit.
How do I know what size oil filter I need?
You can determine the correct filter size by:
- Checking your engine model’s recommended filter part number
- Matching the thread size (most Kawasaki mower engines use 3/4″-16)
- Matching the filter height and gasket diameter
- Using the part number printed on your old filter as a reference
What does the Kawasaki oil filter 49065-0721 fit?
The Kawasaki 49065-0721 oil filter fits many engines in the FR, FS, and FX series. It is commonly used on residential and commercial Kawasaki V-twin mower engines and also replaces older Kawasaki filter numbers in the 49065 family.
What brand of oil is best for Kawasaki?
Kawasaki does not require a specific brand. The best oil is any high-quality 4-stroke engine oil that meets API SJ or higher and matches the correct viscosity for your climate. Synthetic and conventional oils are both acceptable as long as they meet Kawasaki’s specifications.
Final Thoughts
Choosing the right oil filter is a small but crucial part of maintaining your Kawasaki lawn-mower engine. OEM filters deliver guaranteed fit and factory-level protection, while aftermarket options like Hiflofiltro, premium replacements, or budget multi-packs offer excellent value depending on your needs.
No matter which one you choose, replacing the filter at every oil change ensures clean oil flow, better fuel efficiency, and a longer-lasting engine.
