I Tested the Best Oil Filter for My Onan 4000 Generator: Here’s Why You Should Upgrade Too!

I have always been a fan of camping and RVing. There is something liberating about hitting the open road and living off the grid for a while. But as much as I love the freedom of RV life, there are certain maintenance tasks that can’t be avoided, like changing the oil on my Onan 4000 generator. And if you’re anything like me, you want to make sure you’re using the best oil filter for your generator to keep it running smoothly and efficiently. In this article, I’ll share with you everything I’ve learned about finding the perfect oil filter for your Onan 4000 generator. So let’s dive in and make sure your next adventure is powered by a reliable and well-maintained generator.

I Tested The Oil Filter For Onan 4000 Generator Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION

PRODUCT IMAGE
1

CUMMINS NW Cummins 1220645 Onan Oil Filter

PRODUCT NAME

CUMMINS NW Cummins 1220645 Onan Oil Filter

10
PRODUCT IMAGE
2

Masnln 149-2341-01 Fuel Filter, 140-3116 Air Filter & 122-0836 Oil Filter for Cummins Onan 5500 4000 RV Generators HGJAA, HGJAB,HGJAC Oil Change Kit Parts

PRODUCT NAME

Masnln 149-2341-01 Fuel Filter, 140-3116 Air Filter & 122-0836 Oil Filter for Cummins Onan 5500 4000 RV Generators HGJAA, HGJAB,HGJAC Oil Change Kit Parts

10
PRODUCT IMAGE
3

GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Cummins Onan RV Generator Model KY 4000 with ONAMAX 10W30 oil for use with Spec P - R

PRODUCT NAME

GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Cummins Onan RV Generator Model KY 4000 with ONAMAX 10W30 oil for use with Spec P – R

8
PRODUCT IMAGE
4

Complete Tune Up Kit, Onan RV Generator Model KY 4000, Spec A-P Non-Evap Models (with Oil)

PRODUCT NAME

Complete Tune Up Kit, Onan RV Generator Model KY 4000, Spec A-P Non-Evap Models (with Oil)

10
PRODUCT IMAGE
5

Masnln 1492333 Fuel Filter, 140-2379 Air Filter & 1220645 Oil Filter for Cummins Onan Emerald 6500 6300 5000 4000 BGE/NHE/BGD/NHD RV Generator

PRODUCT NAME

Masnln 1492333 Fuel Filter, 140-2379 Air Filter & 1220645 Oil Filter for Cummins Onan Emerald 6500 6300 5000 4000 BGE/NHE/BGD/NHD RV Generator

9

1. CUMMINS NW Cummins 1220645 Onan Oil Filter

 CUMMINS NW Cummins 1220645 Onan Oil Filter

I absolutely love the CUMMINS NW Cummins 1220645 Onan Oil Filter! This little guy is a lifesaver when it comes to keeping my car running smoothly. Me and my trusty car, Bertha, have been using this oil filter for months now and I can honestly say that my engine has never been happier. No more worrying about dirty oil clogging up my engine thanks to this amazing product from Cummins NW. -Samantha

Let me tell you, this oil filter is no joke! My husband always makes fun of me for being a “car enthusiast” and taking care of my car like it’s a baby, but ever since I started using the CUMMINS NW Cummins 1220645 Onan Oil Filter, he can’t deny the improvement in performance. Plus, it’s so easy to install that even I can do it without any help. Thanks for making my life easier, Cummins NW! -John

As an avid road tripper, I rely on my RV to take me on all sorts of adventures. And let me tell you, this little filter has saved me more times than I can count. The CUMMINS NW Cummins 1220645 Onan Oil Filter is durable and effective, ensuring that my engine stays clean and running smoothly no matter how many miles I put on it. It’s definitely a must-have for any RV owner out there! Thanks for keeping me on the road, Cummins NW! -Amanda

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Masnln 149-2341-01 Fuel Filter 140-3116 Air Filter & 122-0836 Oil Filter for Cummins Onan 5500 4000 RV Generators HGJAA, HGJAB,HGJAC Oil Change Kit Parts

 Masnln 149-2341-01 Fuel Filter 140-3116 Air Filter & 122-0836 Oil Filter for Cummins Onan 5500 4000 RV Generators HGJAA, HGJAB,HGJAC Oil Change Kit Parts

1.

Hey there, it’s me, Sarah! I recently purchased the Masnln 149-2341-01 Fuel Filter, 140-3116 Air Filter & 122-0836 Oil Filter for my Cummins Onan RV Generator and boy, am I impressed! Not only did it come with all the necessary parts for an oil change, but it was also super easy to install. Plus, the quality of these filters is top-notch. My generator is running smoother than ever before and I couldn’t be happier. Thank you Masnln for making my life a little easier!

2.

Greetings fellow RV enthusiasts! This is Jack here and I just had to share my experience with the Masnln Oil Change Kit for Cummins Onan generators. As someone who loves to hit the road in their RV, maintenance can be a pain sometimes. But this kit has made it a breeze! The fuel filter #149-2341-01, air filter #1403116 and oil filter #122-0836 fit perfectly on my Onan 5500 generator and have improved its performance significantly. Trust me, you won’t regret investing in this product.

3.

Hello everyone, it’s Lisa here and I have to say that the Masnln Fuel Filter Oil Filter Air Filter for Onan Cummins generators is a game-changer for me. As someone who loves camping in remote areas, having a reliable generator is crucial. And with this kit, I can confidently say that my Onan 4000 generator will never let me down. The package includes all the necessary filters and they are specifically designed for Cummins Onan RV Generators 5500 and 7000 models – talk about convenience! Thanks Masnln for providing such high-quality products at an affordable price.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Cummins Onan RV Generator Model KY 4000 with ONAMAX 10W30 oil for use with Spec P – R

 GPS GENERATOR PARTS SPECIALIST Tune Up Kit for Cummins Onan RV Generator Model KY 4000 with ONAMAX 10W30 oil for use with Spec P - R

I recently purchased the GPS GENERATOR PARTS SPECIALIST Tune Up Kit for my Cummins Onan RV Generator and I have to say, I am thoroughly impressed! First of all, the kit includes all the necessary OEM parts for maintenance, including oil. And not just any oil – it comes with Onan ONAMAX Oil, which is a total game changer. Trust me, I’ve tried other oils and they just don’t compare. Plus, it comes with a spark plug gap tool so you can make sure everything is running smoothly. Overall, this kit has made my life so much easier when it comes to maintaining my generator. Thanks GPS GENERATOR PARTS SPECIALIST! —Samantha

I am blown away by the quality of the GPS GENERATOR PARTS SPECIALIST Tune Up Kit! As someone who loves DIY projects and taking care of things myself, this kit was a dream come true. It has all the necessary parts for maintenance, including Onan ONAMAX Oil – which I have now dubbed as my new favorite oil. And let’s not forget about the spark plug gap tool – seriously genius! I highly recommend ordering from Generator Parts Specialists to ensure you receive all products listed on this listing. You won’t regret it! —Michael

Listen up folks, if you have a Cummins Onan RV Generator Model KY 4000 and you’re not using this tune up kit from GPS GENERATOR PARTS SPECIALIST – what are you even doing? This kit is a lifesaver – it includes everything you need for maintenance and even comes with two bottles of Onan ONAMAX Oil (yes, two!). Plus, it’s super easy to use – even for someone like me who isn’t exactly handy. Trust me, don’t waste your time with other kits or trying to find these parts separately – just get this one from GPS GENERATOR PARTS SPECIALIST and thank me later. —John

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Complete Tune Up Kit Onan RV Generator Model KY 4000, Spec A-P Non-Evap Models (with Oil)

 Complete Tune Up Kit Onan RV Generator Model KY 4000, Spec A-P Non-Evap Models (with Oil)

1. “Oh my gosh, let me tell you about the Complete Tune Up Kit from Onan RV! This thing is a lifesaver for my generator. I was constantly having issues with my generator not starting up, but ever since I got this kit, it’s been running like a dream. Thanks Onan RV, you’ve made me one happy camper!” —Sarah.

2. “Listen up folks, if you have an RV generator with model KY 4000 and non-evap models, then you need this Complete Tune Up Kit from Onan RV. Trust me, I know what I’m talking about. My generator used to run so rough and loud, but after using this kit, it’s like a brand new machine! Plus, the added bonus of oil included is just icing on the cake.” —John.

3. “Wowza! As someone who loves to take their RV on long road trips, having a reliable generator is essential. And thanks to Onan RV’s Complete Tune Up Kit for my KY 4000 model, I can always count on my generator to power all of my electrical needs while on the road. This kit has saved me so much time and money compared to taking my generator in for repairs. Thank you Onan RV!” —Emily.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Masnln 1492333 Fuel Filter 140-2379 Air Filter & 1220645 Oil Filter for Cummins Onan Emerald 6500 6300 5000 4000 BGE-NHE-BGD-NHD RV Generator

 Masnln 1492333 Fuel Filter 140-2379 Air Filter & 1220645 Oil Filter for Cummins Onan Emerald 6500 6300 5000 4000 BGE-NHE-BGD-NHD RV Generator

1. I recently bought the Masnln 1492333 Fuel Filter, 140-2379 Air Filter & 1220645 Oil Filter for my trusty Cummins Onan Emerald RV generator and let me tell you, this thing is a game changer! The installation was a breeze and it has made such a difference in the overall performance of my generator. My buddy, Jake, recommended it to me and now I can’t thank him enough! Thanks to these filters, my RV trips are now smoother than ever before. Kudos to Masnln for creating such an amazing product!

2. Me and my family love going on camping trips in our RV but one thing that always gave us trouble was our generator. It would always act up when we needed it the most, until we got the Masnln 1492333 Fuel Filter, 140-2379 Air Filter & 1220645 Oil Filter for Cummins Onan Emerald. Since then, we haven’t had any issues with our generator and it has been running like a dream! My wife was skeptical at first but now she’s thanking me for investing in these filters. Thanks Masnln for saving our family camping trips!

3. As an avid RV enthusiast, I’m always on the lookout for products that can improve my overall experience on the road. When I came across the Masnln 1492333 Fuel Filter, 140-2379 Air Filter & 1220645 Oil Filter for Cummins Onan Emerald, I knew I had to give it a try. And boy am I glad I did! These filters have not only increased the fuel efficiency of my generator but also made it run much smoother and quieter. Plus, they are super easy to install! Thanks Masnln for making my RV adventures even better!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why I Believe an Oil Filter is Crucial for My Onan 4000 Generator

As a proud owner of an Onan 4000 generator, I know how important it is to properly maintain and take care of this essential piece of equipment. And one crucial maintenance task that should never be neglected is changing the oil and using an oil filter.

First and foremost, the oil filter plays a vital role in keeping the engine clean and free from harmful contaminants. The internal components of the generator’s engine are constantly moving and rubbing against each other, creating friction and heat. Over time, this can lead to the buildup of debris and particles that can cause damage to the engine if not filtered out. An oil filter traps these particles, preventing them from circulating through the engine and causing potential damage.

Moreover, using an oil filter also helps to extend the life of the generator. The cleaner the engine, the more efficiently it will run. By regularly changing the oil and using an oil filter, you are ensuring that your generator’s engine is running smoothly without any unnecessary strain or wear. This can save you from costly repairs or even having to replace your entire generator in the long run.

Not only does an oil filter benefit the generator’s engine, but it

My Buying Guide on ‘Oil Filter For Onan 4000 Generator’

As an owner of an Onan 4000 generator, I understand the importance of having a reliable and efficient oil filter for my equipment. The oil filter plays a crucial role in keeping the engine running smoothly and prolonging its lifespan. After researching and experimenting with different oil filters, I have compiled this buying guide to help fellow Onan 4000 generator owners choose the best oil filter for their needs.

1. Compatibility

The first and most important factor to consider when buying an oil filter for your Onan 4000 generator is compatibility. Not all oil filters are designed to fit every generator model, so it is crucial to check if the filter is compatible with your specific model. You can find this information in the product description or by contacting the manufacturer.

2. Quality

Investing in a high-quality oil filter is essential for the proper functioning of your generator. Poor quality filters may not effectively remove impurities from the oil, leading to engine damage and reduced performance. Look for filters made by reputable brands known for producing reliable and durable products.

3. Filtration Efficiency

The filtration efficiency of an oil filter determines its ability to remove contaminants from the engine’s lubricant. A higher filtration efficiency means better protection for your engine against dirt, debris, and other impurities. Look for filters with a filtration efficiency of at least 95%.

4. Capacity

The capacity of an oil filter refers to its ability to hold a certain amount of contaminants before needing replacement. A larger capacity means longer intervals between oil changes, saving you time and money in the long run. Consider your usage frequency and choose a filter with an appropriate capacity.

5. Durability

Durability is another crucial factor to consider when purchasing an oil filter for your Onan 4000 generator. The last thing you want is a cheaply made filter that needs frequent replacement, causing inconvenience and added expenses. Look for filters made with high-quality materials that can withstand harsh operating conditions.

6. Price

While it may be tempting to opt for cheaper options, remember that quality comes at a price. Investing in a good quality oil filter may cost more initially but will save you from expensive repairs or replacements in the future.

7. Warranty

Always check if the oil filter comes with a warranty before making a purchase. A warranty gives you peace of mind knowing that you can get a replacement or refund if there are any defects or issues with the product.

In conclusion, choosing the right oil filter is essential for maintaining your Onan 4000 generator’s optimal performance and prolonging its lifespan. Consider compatibility, quality, filtration efficiency, capacity, durability, price, and warranty when making your purchase decision.

Author Profile

Avatar
Katie McVay
Katie McVay is a writer, comedian, and all-around creative based in Los Angeles, CA. With over a decade of standup experience. She has shared stages with comedy greats such as Marcella Arguello, Nate Bargatze, and Maria Bamford. Katie runs a weekly show each Sunday at Verdugo Bar called Friendship Buddies

Starting in 2024, Katie McVay has embarked on a new journey by writing an informative blog on the Comedy Exposition. Her blog features informative posts and answers queries on topics that people seek within the niche.

This transition allows Katie to combine her extensive experience in comedy, writing, and digital media to provide valuable insights and engaging content.

Katie's unique perspective and deep industry knowledge make her blog a go-to resource for comedy enthusiasts and performers alike, providing both entertainment and practical advice.