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You’ll want a sturdy, high-flow filter like the K&N KN-171C or KN-171B, built tough for many Harley models and synthetic oil compatibility. The KN-170C and KN-170 offer durable, pleated media and easy installation with welded hex nuts.
The FRAM Extra Guard PH6065B fits select Harleys and provides good filtration but is lighter duty. Choosing the right media, flow rate, and fit guarantees your engine stays protected under any ride. Keep going to uncover what makes these filters stand out.
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K&N Motorcycle Oil Filter: High Performa...
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FRAM Extra Guard PH6065B Replacement Oil...
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This robust oil filter by K&N delivers exceptional flow rates to maintain a steady and consistent circulation of oil, ensuring your engine operates smoothly without interruptions. The synthetic-blend filtration media efficiently traps harmful particles, providing advanced contaminant removal to safeguard engine components.
Engineered with a heavy-duty steel canister, this filter offers outstanding durability capable of withstanding demanding riding conditions. Laboratory tests confirm its excellent capacity and burst strength, making it a reliable choice for maintaining engine health over extended service periods.
Designed for broad compatibility, it works seamlessly with synthetic, conventional, and blended oils, giving you flexibility for your maintenance preferences. The integrated wrench-off nut allows for fast, hassle-free removal even in tight spaces, simplifying routine oil changes and minimizing downtime.
K&N’s commitment to quality shines through in this filter’s design, offering a balance of high performance and longevity. Its machined exterior not only looks professional but also enhances installation ease for many popular motorcycle models.
Best for: Riders seeking a durable, high-capacity filtration solution that supports synthetic and conventional oils for optimal engine longevity.
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This filter is engineered to deliver exceptional flow rates while ensuring a steady circulation of oil to your engine. Its pleated synthetic-blend media effectively captures most contaminants, providing enhanced engine protection during every ride.
Crafted with a sturdy steel and aluminum housing, this part offers heavy-duty durability built to withstand longer service intervals commonly recommended today. Laboratory testing confirms its excellent capacity and resilience under demanding conditions.
The inclusion of a convenient wrench-off nut simplifies removal, making maintenance hassle-free. Compatibility with synthetic, conventional, and blended motor oils adds versatility, ensuring smooth operation regardless of your oil choice. K&N’s engineering assures a product that meets rigorous standards to support peak performance.
Offering a high capacity filter media, this component helps maintain cleanliness longer, reducing risks of clogging that can degrade engine health. Its precision design fits a range of select Harley-Davidson motorcycles, enhancing reliability and ease of installation.
Best for: Riders requiring solid engine filtration combined with straightforward maintenance on mid to large Harley-Davidson models.
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Deliver a steady flow of oil to your engine with this high-capacity filter designed for superior performance. It is engineered to handle all oil types—synthetic, conventional, and blends—making it a versatile choice for various riding conditions. This filter’s pleated synthetic-blend media effectively traps harmful particles, helping extend engine life by maintaining cleanliness within the system.
K&N’s robust construction ensures durability even under extended service intervals recommended by manufacturers. The heavy-duty canister stands up to demanding environments, and laboratory testing confirms its resistance to burst and high contaminant capacity, providing reliable protection mile after mile.
Installation and removal are hassle-free thanks to the convenient Wrench-Off nut design, allowing for quick maintenance without extra tools. Its precise fitment is tailored specifically for a range of Harley-Davidson models, ensuring compatibility and optimal oil flow to keep your machine running smoothly.
Recognized for quality, K&N enhances engine longevity while delivering consistent filtration performance. This filter is a perfect upgrade for those seeking a blend of efficiency, durability, and ease of maintenance in their motorcycle’s lubrication system.
Best for: Riders who demand reliable engine protection and effortless filter changes on their Harley models.
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Engine protection reaches a higher standard with this premium filter designed to effectively handle synthetic, conventional, and blended oils. K&N employs a synthetic-blend fiber media, ensuring excellent contaminant removal for cleaner oil flow that maintains vital engine performance. The filter’s heavy-duty canister construction provides durability under demanding riding conditions.
Laboratory testing guarantees consistent flow rates and burst strength, allowing for extended service intervals without compromising safety. The convenient wrench-off nut simplifies maintenance with easy removal, saving you time and effort during oil changes.
Its design supports a broad range of Harley-Davidson motorcycles from various years and styles, emphasizing reliability and fitment precision. By choosing this K&N unit, you secure robust filtration and dependable operation tailored to your bike’s needs.
With its versatile compatibility and engineered quality, this filter stands as a crucial part in keeping your motorcycle’s engine running smoothly and efficiently over time. K&N’s reputation for performance parts ensures you can trust in the product’s endurance and filtration capabilities.
Best for: Riders seeking to enhance engine longevity with a reliable, easy-to-maintain filtration solution tailored for Harley-Davidson motorcycles.
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This durable filter crafted by FRAM ensures exceptional engine cleanliness by capturing 95% of harmful dirt particles that accelerate engine wear. Its unique blend of cellulose and glass fiber media provides advanced filtration efficiency ideal for protecting your motorcycle’s vital components.
The PH6065B design includes a silicone anti-drain back valve, improving protection during startup by preventing oil from draining out, and enhancing overall reliability with up to triple the hot oil resistance. Its chrome finish adds a visual upgrade while being engineered specifically to fit a range of Harley Davidson models as well as select Indian and Moto Guzzi motorcycles.
Compatible with synthetic, conventional, and blended oils, this filter maintains optimal engine performance through longer oil change intervals as recommended by manufacturers. Installation and removal are made simple thanks to FRAM’s SureGrip technology, offering a non-slip surface for hassle-free maintenance.
Providing proven protection for up to 10,000 miles, this performance-grade filter balances dirt-trapping capacity with excellent dirt-holding ability, rescuing your engine from contaminants and prolonging its lifespan.
Best for: Riders owning Harley Davidson or similar motorcycles needing reliable, high-quality filtration for routine oil care and enhanced engine longevity.
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Subjected to 16 stringent quality checks and regular audits by TÜV SÜD, this product meets rigorous manufacturing standards. Hiflofiltro’s decades of expertise in filter design contribute to a precise fit and superior performance, tailored specifically for Harley applications.
The chrome exterior not only adds a sleek look but also offers added resistance to environmental elements. Its 16mm thread size and dimensions guarantee compatibility and ease of installation.
By choosing this filter, you benefit from a well-engineered, vehicle-specific solution that helps maintain clean oil flow and protects internal components efficiently. The premium filtering media traps impurities effectively, promoting engine longevity and performance.
Best for: Enthusiasts seeking dependable maintenance parts that enhance engine protection and offer extended usage intervals.
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Crafted from high-quality materials sourced globally, this oil filter offers exceptional filtration performance proven to last 28% longer than many original equipment options. It features a robust construction using steel, advanced filter paper, and secure bonding agents to ensure reliable engine protection over extended use.
Each unit undergoes 16 rigorous quality control checks, guaranteeing consistent performance and durability, a testament to Hiflofiltro’s commitment to excellence developed over decades. Its precise manufacturing process is independently audited to maintain superior standards.
The filter’s design supports smooth oil flow and effective contaminant capture, shielding vital engine components from wear and tear. This translates to improved engine longevity and reliable operation during your rides, whether daily commuting or long-distance journeys.
Compatible with various popular motorcycle models, it replaces several OEM parts while providing a universal fit with a 3/4-16 thread size, simplifying installation for enthusiasts looking for dependable maintenance parts.
Enjoy confidence in engine protection with a premium product from the respected Hiflofiltro brand, renowned for producing some of the best aftermarket filters worldwide.
Best for: Motorcycle riders requiring a durable and efficient filtration solution that extends service intervals and safeguards engine health.
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Engineered specifically for Harley-Davidson touring motorcycles, this PC Racing oil filter offers exceptional oil flow combined with consistent filtration thanks to its precision stainless steel mesh. It fits models equipped with Twin Cam or Milwaukee-Eight engines from 1999 to 2025, seamlessly replacing OEM spin-on filters.
The sturdy billet aluminum housing, finished with black anodized fins, ensures superior heat dissipation and enhances the bike’s aesthetic with a custom look. Built-in features like a bypass valve maintain uninterrupted lubrication, while the magnetic prefilter captures metallic debris to help prolong engine life.
This design stands apart with its reusable and easy-to-clean filter element. Unlike disposable paper filters, a simple wash and dry keep this unit performing at peak efficiency indefinitely, promoting cost savings and environmental friendliness. Riders will appreciate the race-proven reliable performance that supports cooler oil temperatures and stable pressure during intense riding conditions.
Installation is hassle-free, and the compact form factor facilitates easy servicing. PC Racing’s attention to detail provides a robust filtration solution that balances high-flow capability with durable construction for long-term dependability on the road.
Best for: Enthusiasts and riders seeking a durable, high-efficiency filtration system tailored for Harley-Davidson’s touring range, aiming to maintain optimal engine health and performance under varied riding conditions.
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Specifically crafted to fit a broad spectrum of Harley-Davidson motorcycles, this external oil filter from USOHAWLK ensures a seamless replacement experience. Its compatibility with popular models such as FLDE, FLFB, Road King, FLHX, and Street FXBR makes it a versatile choice for enthusiasts seeking reliable engine upkeep.
Engineered with advanced filtration technology, it effectively traps minute contaminants and particles, maintaining the purity of your engine oil. This function is essential to reduce wear and tear and guard against clogging, thereby enhancing engine longevity and delivering consistent performance.
The sturdy stainless steel construction offers both durability and resistance to harsh conditions, supporting an extended service life. Moreover, the design promotes an effortless installation process, saving you time and simplifying routine maintenance tasks without specialized tools.
By investing in this component, riders benefit from cost-effective filtration that contributes to preserving the health of their motorbike’s engine. This smart choice balances quality with affordability, aligning with practical maintenance needs.
Best for: Motorcycle owners who require a dependable and easy-to-install filtration solution compatible with multiple Harley-Davidson configurations.
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Crafted to maintain exceptional oil flow and filtration efficiency, this oil filter helps preserve the engine’s health by trapping impurities and ensuring a steady supply of clean oil. The robust construction using premium paper and steel enhances durability, allowing it to withstand the demanding conditions of motorcycle operation.
Compatibility spans a broad range of popular Harley-Davidson models, including Road Glide, Fat Boy, and Electra Glide from the late ’90s through 2021. This ensures a precise fit that aligns with OEM specifications like KN-171B for reliable performance.
The design includes a user-friendly wrench-off feature, simplifying installation and removal whether you prefer a DIY approach or professional servicing. This ease of use is paired with rigorous quality testing to meet stringent standards for burst strength and filtration capacity.
With ELSOON delivering this replacement component, you benefit from a balance of high durability, extended service intervals, and effective engine protection. It’s engineered to perform consistently across varying motor oil types, strengthening the longevity and reliability of your motorcycle’s powertrain.
Best for: Riders needing a dependable, high-performance filter compatible with multiple Harley-Davidson motorcycles looking to preserve engine longevity and maintain smooth oil circulation.
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This black oil filter from WQSING offers precise vehicle-specific compatibility for Harley-Davidson motorcycles equipped with 1999-2017 Twin Cam and 2017-2020 M8 Milwaukee Eight engines. Its M16 x 1.5 thread size ensures a snug fit, preventing leaks and ensuring smooth operation.
Engine protection is critical, and this filter acts as a reliable barrier against contaminants that cause wear, helping maintain engine health between oil changes. The painted exterior adds durability and resistance to environmental factors.
Lightweight at just 11.8 ounces, this replacement part balances efficient filtration performance without adding unnecessary bulk. Whether undertaking routine maintenance or replacing an aging component, it supports optimal oil flow and filtration.
Designed with exact OEM specifications in mind, this WQSING filter matches the original part number 31-4103A, delivering consistent quality that contributes to extended engine life and smoother rides.
Best for: Riders requiring dependable filtration for Harley-Davidson motorcycles with Twin Cam and Milwaukee Eight engines, aiming to keep their engines running clean and protected.
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| Product | Best For | Media Type / Filtration | Compatibility Highlights | Key Benefits |
|---|---|---|---|---|
| K&N KN-171C | Riders wanting high-performance filtration and easy removal | Synthetic-blend media with high flow | Many Harley-Davidson & Buell models (1999–2020) | Heavy-duty canister, 17 mm hex nut, supports synthetic & racing oils |
| K&N KN-171B | Harley owners needing durable, extended service intervals | Pleated synthetic-blend media | Wide range of Harley models (1999–2021) | High flow rates, 17 mm wrench-off nut, built for longer intervals |
| K&N KN-170C | Sportster & Touring riders seeking strong engine protection | High-capacity synthetic-blend media | Select Harley Sportster & Touring applications | Lab-tested strength, easy removal, supports synthetic & conventional oils |
| K&N KN-170 | Riders who want a versatile, high-flow filter | Synthetic-blend fibers for fine capture | Many Harley Sportster, Softail & Touring (1980–2019) | Durable steel/aluminum canister |
| FRAM PH6065B Extra Guard | Budget-conscious riders needing solid protection | Cellulose–glass blend media | Select Harley, Buell, Indian & Moto Guzzi models | Captures up to 95% of dirt, silicone anti-drainback valve |
When you’re picking out a Harley oil filter, it’s important to think about:
How do you choose the right filter media for your Harley oil filter? Start by considering cellulose media if you want a budget-friendly option that captures particles well initially but expect shorter service intervals.
If you ride hard or prefer longer oil changes, synthetic or synthetic-blend media offer finer filtration and higher dirt-holding capacity, maintaining consistent flow even under stress. For top-tier engine protection, microglass media excels at removing tiny contaminants but needs ample pleat area to avoid flow restriction.
Remember, the media’s pleat count, surface area, and support structure matter just as much as the material. Many filters combine resin bonding or multi-layer designs to balance flow, durability, and multi-stage filtration. Pick a filter with the right media type tailored to your riding style and maintenance habits.
Choosing the right oil filter involves understanding its compatibility with the oils you use. Make certain the filter media works well with all oil types in your bike—whether conventional, synthetic, or blends—to keep filtration efficient without restricting flow.
If you run high-concentration synthetic or racing oils, pick a filter that handles their thinner consistency and unique additives without compromising performance. Also, check that the filter’s seals and anti-drainback valves resist chemical reactions from modern oil additives, preventing leaks or damage.
Confirm the filter’s pressure ratings and flow capacity match your engine’s oil pump output, especially when switching oil viscosities. Finally, if you upgrade to full synthetic, make certain the filter’s dirt-holding capacity and service interval suit the extended oil-change schedule to maintain proper protection.
Although selecting an oil filter that fits your Harley’s specifications is essential, you also need to weigh flow rate performance to guarantee peak engine lubrication. A higher flow rate reduces oil pressure drop at high RPMs, ensuring your engine gets enough oil during sustained high-load or racing conditions.
Make sure the filter’s flow capacity matches your engine’s oil pump output and manufacturer specs to avoid oil starvation or excessive bypassing. Don’t focus solely on flow—poor filtration media with high flow can let contaminants slip through.
Look for filters tested for consistent flow across temperature ranges and pressure differences to maintain performance from cold starts to hot operation. Check rating data like maximum flow and pressure tolerance to compare true flow capabilities effectively.
Beyond flow rate, you’ll want to take into account the durability and construction of your Harley oil filter to make certain it withstands tough operating conditions. Opt for filters with heavy-duty canisters or reinforced steel or aluminum housings to resist crushing and handle high oil pressure.
Check that the filter media and adhesive bonding are designed to maintain capacity and resist collapse during extended use. Durable seals and anti-drainback valves made from silicone or high-temp elastomers are essential for withstanding engine temperatures and oil types.
Additionally, look for welded or integrated removal features like hex nuts and sturdy end caps to prevent damage during handling. Always verify laboratory ratings for burst strength and pressure performance to make certain your filter keeps its integrity under peak conditions.
When changing your Harley oil filter, you’ll want to make sure the filter’s wrench-off nut or hex size matches your oil-filter wrench or socket for quick, damage-free removal. Warm the engine briefly to reduce oil viscosity, then place a drip pan and wear gloves to manage spills.
Before installing the new filter, clean the mounting surface and replace the crush washer or O-ring to avoid leaks. Hand-tighten the filter until the gasket contacts the surface, then turn it about 3/4 to 1 full turn more—avoid overtightening.
After filling with oil, run the engine and check for leaks. Recheck oil levels and retorque the filter after a short ride to guarantee a secure fit and peak performance.
Proper installation of your Harley oil filter sets the stage for reliable engine protection, but choosing the right filter to match your service intervals is just as important.
Make certain the filter’s dirt-holding capacity and media efficiency align with your manufacturer’s recommended oil-change intervals, which typically range from 3,000 to 7,500 miles depending on model and oil type.
Check that the filter’s construction and burst-strength ratings handle extended intervals and high oil pressures, especially if you ride long distances or in heavy-duty conditions. If you use synthetic or racing oils, pick filters designed to tolerate these without breaking down prematurely.
Also, confirm the filter’s anti-drainback and sealing features preserve oil pressure to avoid dry starts. When extending intervals, rely on oil analysis or manufacturer advice to make certain both oil and filter perform safely.
You should change your Harley oil filter every 3,000 to 5,000 miles, depending on your riding habits and the type of oil you use. If you ride frequently in dusty or harsh conditions, consider changing it closer to 3,000 miles.
Using synthetic oil might extend that interval slightly. Always check your owner’s manual for specific recommendations to keep your engine running smoothly and protect it from contaminants.
You might be tempted to reuse a Harley oil filter, but here’s the catch: it’s not a good idea. Oil filters trap tiny contaminants, and once clogged, they lose effectiveness. Reusing one risks engine damage and poor performance.
To keep your bike running smoothly and protect your engine, always replace the oil filter with a new, high-quality one during oil changes. Your Harley will thank you for it.
Yes, Harley oil filters can affect your fuel efficiency. When your oil filter is clogged or low quality, your engine has to work harder, which uses more fuel.
Using a high-quality filter guarantees proper oil flow and engine performance, helping your bike run smoothly and efficiently. So, choosing the right oil filter not only protects your engine but can also help you save on gas over time.
Yes, synthetic oils are generally compatible with all Harley oil filters. You don’t have to worry about damaging your filter or engine when switching to synthetic oil, as Harley filters are designed to handle various oil types.
However, always check your filter’s specifications and your bike’s manual to make certain peak performance. Using synthetic oil with a quality filter can improve engine protection and longevity, giving you smoother rides and better overall efficiency.
You’ll need an oil filter wrench to loosen and remove the old filter, plus a socket wrench set to take off the drain plug. Have a drain pan ready to catch the old oil, and some rags for cleanup.
Don’t forget fresh oil and a new filter. It’s helpful to use a funnel when adding oil to avoid spills. Make sure you tighten everything securely but don’t overtighten.
Choosing the right oil filter for your Harley is like giving your bike a protective shield that keeps it running smoothly and reliably. Whether you pick a K&N or FRAM, you’re ensuring your engine breathes easy and stays strong on every ride.
Don’t overlook the small parts—they’re the unsung heroes of your bike’s performance. So, gear up with the best filter and hit the road with confidence knowing your Harley’s heart is well cared for.
Last update on 2025-12-28 / Affiliate links / Images from Amazon Product Advertising API