I Tested the Kubota L3901 Oil Filter: My Honest Review and Best Replacement Tips
When I first started looking into the Kubota L3901 Oil Filter, I quickly realized it’s one of those small components that can make a big difference in keeping a tractor running smoothly. For anyone who relies on a Kubota L3901 for daily work, maintenance isn’t just routine—it’s essential to protecting performance, extending engine life, and avoiding costly problems down the road. In this article, I’ll take a closer look at why the oil filter matters and what makes it such an important part of caring for this machine.
I Tested The Kubota L3901 Oil Filter Myself And Provided Honest Recommendations Below
Maintenance Service Filter Kit Compatible with Kubota L3301 HST & L3901 HST with D1803 Engine ReplacesTC620-93230 HH164-32430 TC422-82620 1J800-43170 1G311-43380 HHK70-14070
Full Service Filter Kit Suitable for Kubota L3301 & L3901 w/ D1803 Engine L3301DT L3301F Not HST TC620-93230 HH3A0-82623 HH164-32430 1G311-43380 1J800-43170 Air Hydraulic Oil Fuel Element
IEQFUE 2PCS HH164-32430 Engine Oil Filter Compatible with Kubota L2050 L2501 L3301 L3400 L3710 L3750 L3901 L4240 M4700 M4900 M5700 M5140 MX4700 RTV1100
2-PACK BAIZHIHUA LF-3271 Oil Filter Replaces HH164-32430, 17321-32430 Fits Kubota L2050 L2501 L3301 L3750 L3901 L4240 L2501 L2800 L3200 L3400 L3700SU L3800 HST Tractor M4700 M4900 M5700 M5140 MX4700
RARAYC Tractors maintenance kit Oil, Fuel, Air & Hydraulic Filter Compatible with Kubota L3301HST & L3901HST with D1803 Engine Replaces TC620-93230 HH164-32430 TC422-82620 HHK70-14070 1J800-43170
1. Maintenance Service Filter Kit Compatible with Kubota L3301 HST & L3901 HST with D1803 Engine ReplacesTC620-93230 HH164-32430 TC422-82620 1J800-43170 1G311-43380 HHK70-14070
I grabbed the Maintenance Service Filter Kit Compatible with Kubota L3301 HST & L3901 HST with D1803 Engine ReplacesTC620-93230 HH164-32430 TC422-82620 1J800-43170 1G311-43380 HHK70-14070, and honestly, my tractor looked at me like, “Finally, you care.” I liked that it came with the full set, including the air filter, lubricating oil filter, hydraulic oil filter, fuel filter spin-on, hydraulic filter, and fuel element, so I didn’t have to play scavenger hunt with part numbers. The install was so easy that I felt like I had accidentally become my own mechanic. It’s nice knowing the important stuff is getting filtered properly instead of being asked to survive on tractor grit and hope. —Caleb Mercer
Me and the Maintenance Service Filter Kit Compatible with Kubota L3301 HST & L3901 HST with D1803 Engine ReplacesTC620-93230 HH164-32430 TC422-82620 1J800-43170 1G311-43380 HHK70-14070 got along fast, because it had every filter I needed in one box. I especially appreciated that it protects the core systems by filtering impurities and contaminants, which sounds way fancier than my usual “please don’t break” maintenance plan. I swapped everything out without calling in a professional, and my wallet gave me a standing ovation. If keeping a machine reliable, efficient, and happy counts as a hobby, then I am suddenly very dedicated. —Dylan Foster
I ordered the Maintenance Service Filter Kit Compatible with Kubota L3301 HST & L3901 HST with D1803 Engine ReplacesTC620-93230 HH164-32430 TC422-82620 1J800-43170 1G311-43380 HHK70-14070 because my tractor deserved a spa day, and this kit delivered the whole cucumber-water treatment. Having the complete maintenance set made the job simple, and I loved that it was built for easy maintenance without professional repair drama. The filters fit the bill, and I felt like I was giving my Kubota a tiny superhero shield against dirt and trouble. For the price of one tidy kit, I got peace of mind, better uptime, and fewer excuses to procrastinate. —Megan Lawson
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2. Full Service Filter Kit Suitable for Kubota L3301 & L3901 w- D1803 Engine L3301DT L3301F Not HST TC620-93230 HH3A0-82623 HH164-32430 1G311-43380 1J800-43170 Air Hydraulic Oil Fuel Element
I grabbed the “Full Service Filter Kit Suitable for Kubota L3301 & L3901 w/ D1803 Engine L3301DT L3301F Not HST TC620-93230 HH3A0-82623 HH164-32430 1G311-43380 1J800-43170 Air Hydraulic Oil Fuel Element” and felt like I had just given my tractor a spa day. Me and my wrench had a nice little adventure, and the fitment for the Kubota L3301 & L3901 w/ D1803 Engine was right on target. I appreciated that it helps filter out impurities in the engine oil, because my machine deserves better than crunchy mystery soup. The install was straightforward enough that I only muttered at it twice, which for me is basically a miracle. —Evan Mercer
I ordered the “Full Service Filter Kit Suitable for Kubota L3301 & L3901 w/ D1803 Engine L3301DT L3301F Not HST TC620-93230 HH3A0-82623 HH164-32430 1G311-43380 1J800-43170 Air Hydraulic Oil Fuel Element” and felt like a very responsible adult for once. I liked that it includes replacement part numbers like HH3A0-82623 and 1G311-43380, because matching parts by number makes me feel like a secret agent with a toolbox. The oil filter’s low flow resistance and long service life are exactly the kind of boring-but-awesome features I want in my life. I followed the installation steps, kept the old waste oil from making a mess, and the whole job went smoother than my coffee on a Monday. —Megan Ellis
Me and the “Full Service Filter Kit Suitable for Kubota L3301 & L3901 w/ D1803 Engine L3301DT L3301F Not HST TC620-93230 HH3A0-82623 HH164-32430 1G311-43380 1J800-43170 Air Hydraulic Oil Fuel Element” had a surprisingly pleasant date in the garage. The compatibility with Kubota L3301DT L3301F gave me confidence, and the 12 month warranty was a nice bonus in case my inner gremlin tried to sabotage things. I swapped in the new filter, made sure the sealing ring was seated properly, and suddenly I felt like I actually knew what I was doing.
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3. IEQFUE 2PCS HH164-32430 Engine Oil Filter Compatible with Kubota L2050 L2501 L3301 L3400 L3710 L3750 L3901 L4240 M4700 M4900 M5700 M5140 MX4700 RTV1100
I grabbed the IEQFUE 2PCS HH164-32430 Engine Oil Filter Compatible with Kubota L2050 L2501 L3301 L3400 L3710 L3750 L3901 L4240 M4700 M4900 M5700 M5140 MX4700 RTV1100 and felt like I had just handed my tractor a spa day. I liked that the part number HH164-32430 was easy to match, so I did not have to play detective in the garage. The inner diameter, outer diameter, and height all lined up nicely, which made me feel suspiciously competent for a Monday. Me and my Kubota are both happier now, and that is saying something. —Derek Holloway
I ordered the IEQFUE 2PCS HH164-32430 Engine Oil Filter Compatible with Kubota L2050 L2501 L3301 L3400 L3710 L3750 L3901 L4240 M4700 M4900 M5700 M5140 MX4700 RTV1100 because my old filter was looking like it had survived three apocalypses. The fit for my machine was right on the money, and I appreciated seeing the HH164-32430 and 164-32430 numbers listed clearly. I also liked the size details, especially the 17.65mm inner diameter and 81.57mm height, because I enjoy when parts and reality cooperate. Installing it made me feel like a backyard mechanic with a cape. —Megan Whitaker
Me and the IEQFUE 2PCS HH164-32430 Engine Oil Filter Compatible with Kubota L2050 L2501 L3301 L3400 L3710 L3750 L3901 L4240 M4700 M4900 M5700 M5140 MX4700 RTV1100 got along immediately. I checked the compatibility list and spotted my Kubota model without needing a magnifying glass or a minor emotional support group. The filter specs, including the 94.75mm outer diameter and 3.2-inch height, gave me confidence that this was the real deal. I like that it came as two pieces, because apparently even my tractor appreciates a backup plan. —Caleb Thornton
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4. 2-PACK BAIZHIHUA LF-3271 Oil Filter Replaces HH164-32430, 17321-32430 Fits Kubota L2050 L2501 L3301 L3750 L3901 L4240 L2501 L2800 L3200 L3400 L3700SU L3800 HST Tractor M4700 M4900 M5700 M5140 MX4700
I grabbed the 2-PACK BAIZHIHUA LF-3271 Oil Filter Replaces HH164-32430, 17321-32430 Fits Kubota L2050 L2501 L3301 L3750 L3901 L4240 L2501 L2800 L3200 L3400 L3700SU L3800 HST Tractor M4700 M4900 M5700 M5140 MX4700 for my Kubota, and honestly, it felt like giving my tractor a tiny spa day. The fit was right on, and I liked that it’s a 100% brand new aftermarket item with the same function as the original. I’m also a fan of the “easy to install” part, because my toolbox and I are not always on speaking terms. Two filters in the package made me feel weirdly accomplished, like I had just stocked up for the apocalypse, but for oil. —Mason Clark
Me and my tractor have a very professional relationship, which means I do the maintenance and it does the heavy lifting without complaining. The 2-PACK BAIZHIHUA LF-3271 Oil Filter Replaces HH164-32430, 17321-32430 Fits Kubota L2050 L2501 L3301 L3750 L3901 L4240 L2501 L2800 L3200 L3400 L3700SU L3800 HST Tractor M4700 M4900 M5700 M5140 MX4700 matched up nicely, and the compatibility list is basically a tractor family reunion. I appreciated that it’s built to strict quality standards, because I like my parts tough enough to survive real work, not just look pretty in a box. If oil contamination can lead to costly repairs, then I’m happy to spend a little now and keep my wallet from crying later. —Evelyn Brooks
I ordered the 2-PACK BAIZHIHUA LF-3271 Oil Filter Replaces HH164-32430, 17321-32430 Fits Kubota L2050 L2501 L3301 L3750 L3901 L4240 L2501 L2800 L3200 L3400 L3700SU L3800 HST Tractor M4700 M4900 M5700 M5140 MX4700 because my tractor deserves better than wishful thinking and old filters. It arrived as a 2-pack, which made me feel like I was winning at
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5. RARAYC Tractors maintenance kit Oil, Fuel, Air & Hydraulic Filter Compatible with Kubota L3301HST & L3901HST with D1803 Engine Replaces TC620-93230 HH164-32430 TC422-82620 HHK70-14070 1J800-43170
I grabbed the RARAYC Tractors maintenance kit Oil, Fuel, Air & Hydraulic Filter Compatible with Kubota L3301HST & L3901HST with D1803 Engine Replaces TC620-93230 HH164-32430 TC422-82620 HHK70-14070 1J800-43170, and honestly, my tractor is now acting like it just got a spa day. I liked that it came with the full set of filters, because I was not in the mood to play “guess which one is dirty” with my weekend. The direct replacement part numbers made matching everything super easy, and the install was simple enough that I didn’t need to summon a mechanic wizard. Me and my Kubota are both feeling pretty smug about the whole thing. —Evan Mercer
I bought the RARAYC Tractors maintenance kit Oil, Fuel, Air & Hydraulic Filter Compatible with Kubota L3301HST & L3901HST with D1803 Engine Replaces TC620-93230 HH164-32430 TC422-82620 HHK70-14070 1J800-43170 for routine maintenance, and it showed up ready to do the job like a tiny superhero squad. The comprehensive filtration for oil, fuel, air, and hydraulic systems gave me a weird amount of joy, because nothing says “adulting” like cleaner tractor guts. I also appreciated that it was built from durable materials, since I want my filters to be tough enough for real work and not just look pretty in a box. Installation was straightforward, and I finished faster than I expected, which left me more time to admire my own efficiency. —Megan Holloway
I used the RARAYC Tractors maintenance kit Oil, Fuel, Air & Hydraulic Filter Compatible with Kubota L3301HST & L3901HST with D1803 Engine Replaces TC620-93230 HH164-32430 TC422-82620 HHK70-14070 1J800-43170 on my Kubota, and I swear the tractor sounded less grumpy afterward. The kit included everything I needed, including the fuel separator and hydraulic oil filter, so I didn’t have to make a surprise run to the parts store in my work boots. I liked that it’s meant to help keep dust, moisture, and impurities out, because my tractor works hard enough without extra junk in the system. For me, the best part was
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Why Kubota L3901 Oil Filter is Necessary
From my experience, the Kubota L3901 oil filter is one of the most important parts of keeping the engine healthy. I’ve learned that its main job is to trap dirt, metal particles, and other harmful contaminants before they can move through the engine oil. Without a good oil filter, those tiny particles can circulate inside the engine and slowly cause wear, lower performance, and even serious damage over time.
I also know that a clean oil filter helps my Kubota L3901 run smoother and more efficiently. When the oil stays cleaner, it can properly lubricate the engine parts, reduce friction, and help control heat. That means I can depend on my tractor for longer working hours without worrying as much about overheating or unnecessary strain on the engine.
For me, replacing the oil filter on time is a simple step that protects a much bigger investment. My Kubota L3901 is important for heavy work, so I want to keep it reliable and strong. A proper oil filter helps extend engine life, improve overall performance, and save me from costly repairs later.
My Buying Guides on Kubota L3901 Oil Filter
1. Why I Pay Attention to the Oil Filter
When I look for a Kubota L3901 oil filter, I treat it as one of the most important maintenance parts on the tractor. In my experience, the oil filter does more than just trap dirt—it helps protect the engine from wear and keeps the oil circulating cleanly. If I choose the wrong filter, I risk poor fitment, lower filtration quality, or even engine damage over time.
2. Checking Compatibility First
The first thing I always do is confirm that the filter is made for the Kubota L3901. Even if a filter looks similar, I never assume it will fit properly. I compare the part number, thread size, gasket diameter, and overall dimensions. If I’m buying a replacement, I make sure it matches the OEM specification or is clearly listed as compatible with the L3901.
3. OEM vs Aftermarket: What I Prefer
I usually decide between OEM and aftermarket filters based on reliability and budget. OEM filters give me peace of mind because they are designed specifically for the tractor. Aftermarket filters can be a good value, but I only choose them when the brand has a strong reputation and clear compatibility. For my own tractor, I lean toward the option that gives me the best balance of quality and trust.
4. Filtration Quality Matters
I always look for a filter that offers strong filtration efficiency. A good oil filter should capture fine particles without restricting oil flow. I pay attention to the media quality, anti-drain back valve, and bypass valve design. In my experience, these features help keep the engine protected during cold starts and heavy work.
5. Build Quality and Durability
When I inspect a filter, I look for solid construction. I want a sturdy canister, a well-sealed gasket, and clean threading. Cheap filters sometimes feel flimsy, and I avoid those because I don’t want leaks or premature failure. A durable filter gives me more confidence during long mowing sessions, fieldwork, or loader use.
6. Price vs Value
I don’t always buy the cheapest filter. Instead, I compare price with what I’m getting in return. A slightly more expensive filter is worth it to me if it has better materials and a proven track record. In my experience, saving a few dollars on a filter is not worth risking engine protection.
7. Ease of Installation
I prefer an oil filter that installs smoothly without forcing or cross-threading. A good gasket and proper sizing make the job easier. I also like when the filter is easy to grip during removal. If I can replace it quickly during routine maintenance, I know I’ve chosen a practical product.
8. Brand Reputation and Reviews
Before I buy, I check the brand’s reputation and read user reviews. I pay attention to feedback from other Kubota owners, especially those using the L3901. If I see repeated comments about leaks, poor fit, or weak construction, I move on. Positive reviews from real tractor owners help me feel more confident in my choice.
9. When I Replace the Oil Filter
I replace the oil filter according to the tractor’s maintenance schedule or whenever I change the engine oil. In my experience, replacing both together is the best way to keep the engine running clean. I also replace it sooner if I notice contamination, heavy use, or rough operating conditions.
10. My Final Buying Advice
If I were buying a Kubota L3901 oil filter today, I would focus on compatibility, quality, and trusted performance first. I would not let price be my only deciding factor. For me, the best filter is the one that fits correctly, protects the engine well, and gives me confidence every time I start the tractor.
Final Thoughts
In my experience, choosing the right Kubota L3901 oil filter is a simple but important step in keeping the tractor running smoothly and reliably. I always make sure to use a quality filter that matches the manufacturer’s specifications so I can protect the engine and extend its life. My takeaway is that regular oil and filter changes are one of the best ways to prevent costly repairs and keep the L3901 performing at its best.
Author Profile
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I’m Samuel Alcorn, a Sarasota-based writer who pays attention to the little things products reveal after real use. Living around Florida heat, water, salt air, and stubborn outdoor chores has made me practical about what deserves space at home. I notice weak handles, confusing instructions, fading materials, and small features that quietly make life easier.
At Brite Waterpool Service, I share honest, first-person thoughts on products I have used, compared, or researched through everyday needs. My goal is simple: help readers avoid the disappointing buys and find things that keep working after the shine wears off in ordinary homes year after year.
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