Maintaining your John Deere S100 riding lawn tractor requires using a high-quality oil filter that ensures clean oil circulation and engine protection. The right oil filter helps remove contaminants and extends the engine’s lifespan.
John Deere S100 Oil Filter
1. John Deere Original Equipment Oil Filter #AM125424 (OEM)
The John Deere Original Equipment AM125424 is the manufacturer-recommended oil filter for many models in the 100 Series, including the S100. It provides guaranteed compatibility and performance backed by John Deere’s engineering standards.
Features:
- Official John Deere part number AM125424
- Built to meet OEM specifications for filtration and fit
- Ensures optimal oil flow and dirt capture
- Compatible with John Deere’s standard oil change intervals
- Reliable performance and durability backed by the manufacturer
2. PureSturdy 4-Pack AM125424 Oil Filter Replacement
The PureSturdy AM125424 is an aftermarket replacement designed to match OEM standards at a more affordable price. It comes in a 4-pack, making it ideal for multiple maintenance intervals throughout the mowing season.
Features:
- Compatible with John Deere AM125424, AM125424c, and GY20577 part numbers
- Includes four filters for multiple oil changes
- High dirt-holding capacity, capturing fine particles effectively
- Durable steel housing for protection against engine vibrations
- Strong sealing gasket to prevent oil leaks
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3. Caltric Engine Oil Filter Compatible with John Deere S100 Series
The Caltric oil filter is a dependable aftermarket option compatible with the John Deere S100, S110, S120, and S140 models. It offers solid performance and comes in a cost-effective multi-pack for convenient long-term use.
Features:
- Designed for S100 and related models
- Includes multiple filters per pack (commonly three)
- Replaces OEM part numbers such as AM125424
- Efficient filtration to keep oil clean and extend engine life
- Budget-friendly choice with reliable construction
4. LikeLion 4-Pack AM125424 Oil Filter Replacement
The LikeLion AM125424 replacement filters are designed for users who prefer high-quality aftermarket alternatives. The pack includes four oil filters built with advanced materials to ensure durability and excellent filtration.
Features:
- Replaces John Deere AM125424, AM125424c, AM119567, LG4153, and GY20577
- High-density pleated filter media for superior contaminant capture
- Strong metal shell and synthetic rubber sealing ring for durability
- Resistant to high temperatures and oil pressure variations
- Multi-pack value for regular maintenance intervals
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5. John Deere OEM AM125424 4-Pack Original Equipment Filters
For those who prefer sticking with genuine parts, this 4-pack of John Deere OEM AM125424 filters offers authentic performance and quality assurance. It’s the same trusted design as the single OEM filter, but in a bulk package for convenience.
Features:
- Genuine John Deere-branded filters in a pack of four
- Maintains OEM performance, filtration, and fit
- Ideal for users who want to stock up for seasonal maintenance
- Provides consistent oil flow and filtration under demanding conditions
- Long-lasting protection for your S100 engine
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Tips Before Buying
- Check Compatibility: Always verify your tractor’s serial number and engine type before purchasing a filter. The AM125424 is standard for the S100, but it’s best to confirm fitment.
- OEM vs. Aftermarket: OEM filters guarantee a perfect fit and performance, while aftermarket filters can be more affordable if they meet the correct specifications.
- Replace During Every Oil Change: Always change the filter whenever you replace your oil to maintain engine cleanliness and prevent premature wear.
- Proper Installation: Tighten the filter by hand, then turn an additional quarter rotation to ensure a secure fit. Check for leaks after installation.
- Stock Up: If you mow frequently, consider buying a multi-pack to save money and ensure you have replacements ready for each oil change.
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FAQs
What oil filter for John Deere S100?
The John Deere S100 uses the AM125424 oil filter. You can choose the original John Deere OEM filter or compatible aftermarket replacements such as PureSturdy, Caltric, or LikeLion that match the same specifications.
What kind of oil does a John Deere S100 take?
The John Deere S100 typically uses SAE 10W-30 engine oil for most operating temperatures. For hotter climates or extended mowing sessions, you may use SAE 5W-30 or synthetic 10W-30 oil for better performance and protection.
How to find the right oil filter size?
Check your mower’s owner’s manual or the engine model label (usually found on the side of the engine block). The filter size and part number are listed there. You can also cross-reference the John Deere part number AM125424 with compatible aftermarket filters.
How much oil does a John Deere 100 hold?
The John Deere 100 Series, including the S100, holds about 1.5 quarts (1.4 liters) of oil when performing an oil and filter change. Always confirm in your manual for precise capacity based on your engine type.
How often should I change the oil on my John Deere S100?
It’s recommended to change the oil and filter on your John Deere S100 every 50 hours of operation or at least once per mowing season. If you mow frequently or in dusty conditions, consider changing it more often for optimal performance.
What engine is in a John Deere S100?
The John Deere S100 is powered by a 17.5-horsepower Briggs & Stratton 500cc single-cylinder engine. It’s designed for durability, easy maintenance, and consistent performance in residential mowing tasks.
Final Thoughts
Choosing the best oil filter for your John Deere S100 ensures reliable performance, longer engine life, and cleaner oil circulation. For those who prefer genuine parts, the John Deere Original Equipment AM125424 (available as a single or 4-pack) remains the best option for guaranteed fit and quality.
If you’re looking for affordable yet dependable alternatives, PureSturdy, Caltric, and LikeLion offer high-quality replacements that perform well for routine maintenance.
No matter which option you choose, always verify the part number and replace your oil filter on schedule. Keeping your S100 properly serviced will ensure smoother operation, reduced engine wear, and longer-lasting performance season after season.
