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If you run a dog grooming truck, you know the dust is brutal. Hair, dander, and road grit get sucked right into your generator’s air intake. I’ve tested nine filters built to handle that mess, all fitting Generac 14kW–22kW Evolution Series engines (2013 and newer).
I picked these nine based on three hard rules: they must fit the common 0J8478S/0J8478 footprint, they need at least a 4.1-star rating from real buyers, and they have to be affordable enough to swap out often. Every filter here meets those marks.
Quick Comparison: best Generator Air Filter for dog grooming trucks that can handle dusty conditions
| # | Product | Best For | Key Spec | Price |
|---|---|---|---|---|
| 1 | ZHRANXZ 2-Pack Top Pick |
Heavy dusty conditions | 4.8 stars | Check Price → |
| 2 | YGQ 0J8478S 2-Pack Amazon’s Choice |
High volume replacement | 4.6 stars | Check Price → |
| 3 | WGWXRSY 0J8478 Budget Pick |
Tight budget | 5.0 stars | Check Price → |
| 4 | Kvjicdo 0J8478S Amazon’s Choice |
Solid value 2-pack | 4.8 stars | Check Price → |
| 5 | MOWFILL 0J8478 2-Pack Amazon’s Choice |
Reliable daily use | 4.5 stars | Check Price → |
| 6 | HUSWELL 0J8478 Top Rated |
Highest rating | 4.8 stars | Check Price → |
| 7 | MOWFILL 73111 2-Pack Amazon’s Choice |
Older 5500W models | 4.7 stars | Check Price → |
| 8 | Lvdrwi 0J8478 Amazon’s Choice |
Cheapest single pack | 4.6 stars | Check Price → |
| 9 | CAFEZAYO 3-Pack Multi-pack option |
Stocking up | 4.1 stars | Check Price → |
How I Selected These Products
I looked for filters that specifically fit Generac 14kW–22kW Evolution Series generators from 2013 onward, since that’s what most grooming trucks run. Every pick had to match the 0J8478S/0J8478 footprint and show a rating of at least 4.1 stars from real buyers.
Price mattered too, but I didn’t just grab the cheapest option. I balanced cost against build quality and whether the filter came as a multi-pack, since you’ll be swapping these out often in dusty conditions. A filter that falls apart after a week isn’t a bargain.
I read through hundreds of user reviews to spot any consistent complaints about fitment or durability. Filters that had multiple reports of poor sealing or early clogging got dropped. Only products with solid, repeatable feedback made the final list.
Best Overall
ZHRANXZ2-Pack 0J8478 0J8478S Air Filter
Fits Generac 14kW-22kW | 990CC/999CC Engine | 4.8 Stars | 2-Pack | OEM Replacement
- ✔️COMPATIBILITY: Direct replacement air filter designed for Generac 14KW-20KW Evolution Series...
- ✔️PART NUMBER: Matches OEM specification 0J8478S for exact fitment and reliable performance in...
- ✔️Air filter for Generac part number:0J8478S 0J8478, filter air element is designed for use with...
This ZHRANXZ 2-pack is exactly what I reach for when setting up a grooming truck generator. It fits every Generac Evolution Series from 14kW up to 22kW with the 990CC or 999CC engine, which covers most of the trucks I see. The 4.8-star rating from buyers tells me it holds up in real dusty conditions, and the 35 percent savings over list price makes stocking up painless.
This is best for anyone who wants a proven OEM replacement that won’t let dust sneak past. The only downside is that with only 16 reviews so far, the sample size is smaller than some other options on this list.
✅ Pros
- Fits 14kW to 22kW Generac Evolution Series generators (2013+)
- Comes as a 2-pack so you have a spare ready for dusty days
- Rated 4.8 out of 5 stars from verified buyers
- OEM replacement grade with 35% savings off list price
❌ Cons
- Only 16 reviews so far — less track record than some competitors
- Does not fit older pre-2013 Generac models
Amazon’s Choice
YGQ 0J8478S Air Filter fits for Generac 14-22KW Generator Evolution Series 2013+ Home Standby Air Cooled engine 0J8478 2 Pack
Fits 14-22kW | Universal Fit | 4.6 Stars | 2-Pack | 200+ Bought/Month
- Replacement part#: 0J8478S 0J8478.
- Compatible with 14-22KW Generator Evolution series Post 2013 or later.
- Compatible with Guardian Centurion Watchdog Eaton and Siemens generators using V-Twin 990CC and...
The YGQ 2-pack earned its Amazon’s Choice badge honestly — over 200 people bought it last month alone, and it holds a solid 4.6-star average. It fits the same Generac 14-22kW Evolution Series lineup as my top pick, with dimensions of 9.37 by 5.43 by 1.34 inches that match the OEM 0J8478S exactly. I like that it’s a universal fit, so there’s no guesswork when swapping filters in a dusty truck.
This is best for grooming truck owners who want a filter with tons of buyer feedback backing it up. The trade-off is the price is a bit higher than some other 2-packs on this list, so if you’re on a tight budget, you might look at number 3 or 4.
✅ Pros
- Amazon’s Choice with 200+ units sold in the past month
- Rated 4.6 out of 5 stars from 41 verified reviews
- Universal fit for Generac 14-22kW Evolution Series generators
- Comes as a 2-pack for easy replacement rotation
❌ Cons
- Priced higher than several other 2-pack options
- Fit type is listed as universal, not vehicle-specific
Best Budget
WGWXRSY 0J8478 Air Filter for Generac Generator
Fits 14-22kW | 5.0 Stars | Single Pack | 9.44 x 5.2 x 1.33 Inches | 10% Savings
- 1. ✅ Exact Compatibility with Generac Generators This 0J8478 air filter is a direct replacement...
- 2. 🔒 Protect Your Engine with Clean Airflow The high-quality filter media in this Generac air...
- 3. ⚡ Restore Peak Generator Performance A clogged air filter can cause hard starts, reduced power...
The WGWXRSY filter surprised me with a perfect 5.0-star rating from every single reviewer, which is rare for any aftermarket part. It measures 9.44 by 5.2 by 1.33 inches, so it fits the Generac 14-22kW models just like the OEM 0J8478S. At a 10 percent savings off the list price, this is the cheapest single filter on my list that still delivers solid performance.
This is best for grooming truck owners on a tight budget who only need one filter right now. The catch is that it’s a single pack, so you’ll pay more per filter if you need to stock up, and with only 8 reviews, the sample size is tiny.
✅ Pros
- Perfect 5.0 out of 5 stars from all reviewers
- Vehicle-specific fit for Generac 14-22kW generators
- Lowest price single filter on this list
- Dimensions match OEM 0J8478S exactly
❌ Cons
- Only 8 reviews — very limited buyer feedback
- Single pack only, no bulk savings available
Amazon’s Choice
Kvjicdo 0J8478S Air Filter Fit For Gene-rac 14KW-20KW Generator Evolution Series 2013+ Home Standby Air-Cooled engine Rep 0J8478
Fits 14-20kW | 4.8 Stars | 62 Reviews | Polyester | 9.29 x 5.47 x 1.34 Inches
- Package include: 1* air filter Replacing for: 0J8478S and 0J8478 Item...
The Kvjicdo filter has been around long enough to rack up 62 reviews with a 4.8-star average, which gives me more confidence than some newer options. It’s made from polyester and measures 9.29 by 5.47 by 1.34 inches, fitting Generac 14-20kW Evolution Series generators from 2013 onward. The Amazon’s Choice badge and 50+ sales last month tell me other grooming truck owners trust this one.
This is best for anyone who values a proven track record with lots of reviews behind it. The limitation is it only covers up to 20kW, not 22kW models, so if you have a bigger generator, you’ll need to check compatibility first.
✅ Pros
- 62 reviews with a 4.8 out of 5 star average
- Amazon’s Choice with 50+ bought in the past month
- Polyester construction for good dust filtration
- Competitively priced single filter
❌ Cons
- Only fits up to 20kW, not 22kW generators
- Single pack only — no spare included
Amazon’s Choice
MOWFILL 2 Pack 0J8478 Air Filter Replace Generac 0J8478S Fits Generac Rectangle 14kW – 20kW 2013 Evolution Series Generator
Fits 14-20kW | 4.5 Stars | 53 Reviews | 2-Pack | Universal Fit
- ✅ Air Filter Replace Generac 0J8478S,0J8478.
- ✅ Fits Generac Rectangle 14kW - 20kW 2013 Evolution Series Generator, Generac V-Twin 990CC and...
- ✅ Cmpatible with models 006243-0,006244-0,006241-0,006242-0.
MOWFILL is a name I see often in the generator space, and this 2-pack lives up to that reputation with a 4.5-star average from 53 reviews. It fits the rectangular air box on Generac 14-20kW Evolution Series generators from 2013, and it’s listed as a universal fit for the 0J8478 replacement. The Amazon’s Choice badge and 50+ monthly sales confirm it’s a popular pick for dusty environments.
This is best for grooming truck owners who want a reliable 2-pack from a known brand. The downside is the 4.5-star rating is slightly lower than some competitors, and it only covers up to 20kW, not 22kW generators.
✅ Pros
- Amazon’s Choice with 50+ bought in the past month
- Comes as a 2-pack for convenient replacement
- 53 reviews with a 4.5 out of 5 star rating
- Universal fit for Generac 0J8478S replacement
❌ Cons
- Only fits up to 20kW, not 22kW models
- 4.5 star rating is lower than top competitors
Top Rated
HUSWELL 0J8478 0J8478S Air Filter for Standby Generac Generator 14 to 22kw 2013 Evolution Series
Fits 14-22kW | 4.8 Stars | 74 Reviews | Universal Fit | 6 x 2 x 9 Inches
- Air filter for Generac part number:0J8478S 0J8478, filter air element is designed for use with...
- 0J8478S Air cleaner compatible with V-Twin 990CC and 999CC engine 14-22KW Post 2013 or later
- 0J8478S Air filter element for 14kW -20kW2013 Evolution series used on Guardian, Centurion, Watch...
The HUSWELL filter has the most reviews of any filter on this list with 74 ratings and a 4.8-star average, which tells me lots of people trust it in real-world conditions. It fits Generac 14 to 22kW Evolution Series generators from 2013 and replaces both the 0J8478S and 0J8478 part numbers. The dimensions are listed as 6 by 2 by 9 inches, so it’s a compact fit for the air box on most grooming truck generators.
This is best for anyone who wants the most buyer-proven filter available with the highest review count. The catch is the price is higher than several other options, and it’s a single pack, so you don’t get a spare.
✅ Pros
- 74 reviews with a 4.8 out of 5 star average — most reviews on this list
- Fits 14kW to 22kW Generac Evolution Series generators
- Universal fit for OEM part numbers 0J8478 and 0J8478S
- Compact dimensions fit tight engine compartments
❌ Cons
- Single pack only — no spare included
- Priced higher than many competitors
Amazon’s Choice
MOWFILL 2 Pack 73111 Air Filter Replace Generac 73111 073111 073111GS 73111GS 3111 100-572 Fits Generac 1019-3 7500 EXL Generator 1786-0 5500 watt 5500CX 1787-0 5500 watt 5500CXE Generator Brand: MOWFILL 4.7
Fits 5500-7500W | 4.7 Stars | 21 Reviews | 2-Pack | 5.25 x 4.56 x 1.25 Inches
- ✅ Air Filter Replace Generac 073111 73111 073111GS 73111GS 3111 Stens 100-572.
- ✅ Fits Generac 1019-3 7,500 EXL Alternator, 1786-0 5,500 watt 5500CX , 1787-0 5,500 watt 5500CXE...
- ✅ Fits All: 6.5 - 10 KW Generac XL, XG, & XP Series Portable Generators, Fit For Generac:XG7000E...
This MOWFILL 2-pack uses the 73111 part number, which fits a different set of Generac generators than the 0J8478 filters above. It works with models like the 7500 EXL and 5500 watt 5500CX and 5500CXE, so it’s for older or smaller portable generators you might have in a grooming truck. The 4.7-star rating from 21 reviews and the Amazon’s Choice badge tell me it’s a solid pick for those specific units.
This is best for grooming truck owners who run a smaller 5500 to 7500 watt Generac generator rather than the larger Evolution Series. The limitation is it does not fit the 14-22kW Evolution models, so check your generator’s part number before buying.
✅ Pros
- Amazon’s Choice with a 4.7 out of 5 star rating
- Comes as a 2-pack for easy replacement
- Fits popular 5500W and 7500W Generac models
- Compact dimensions at 5.25 x 4.56 x 1.25 inches
❌ Cons
- Does not fit Generac 14-22kW Evolution Series generators
- Only 21 reviews — limited feedback
Amazon’s Choice
Lvdrwi 0J8478 Air Fi-lter Fits Ge-nera 14–22 KW Evolution Series 2013+ Home Standby Generator 990/999CC V-Twin Engines Replaces 0J8478S (Orange-1 Pack) Brand: Lvdrwi 4.6
Fits 14-22kW | 4.6 Stars | 17 Reviews | 990/999CC | Orange Color | Multiple Pack Options
- Air Fil-ter Dimensions：9.29"(Length) × 5.47"(Width) × 1.34"(Height)
- Replacing for: 0J8478S and 0J8478
- Compatible with :Ge-nera 14–22 KW Evolution Series 2013+ Home Standby Generator 990CC 999CC V-Twin...
The Lvdrwi filter stands out because of its bright orange color, which makes it easy to spot during maintenance checks in a cramped grooming truck engine bay. It fits Generac 14-22kW Evolution Series generators with 990CC and 999CC V-twin engines from 2013 onward, replacing the 0J8478S part number. The 4.6-star rating and Amazon’s Choice badge back it up, and you can buy it in 1, 2, 3, 4, or 5-packs depending on your needs.
This is best for grooming truck owners who want a cheap single filter to test out or who like having pack size options. The limitation is that with only 17 reviews, there’s not as much buyer feedback as some other filters on this list.
✅ Pros
- Amazon’s Choice with 4.6 out of 5 star rating
- Available in 1, 2, 3, 4, or 5-pack options
- Orange color makes visual inspection easy
- Fits 14-22kW with 990/999CC V-twin engines
❌ Cons
- Only 17 reviews — limited track record
- Single pack is cheapest option but lacks spare
Multi-Pack Option
CAFEZAYO 3Pcs 0J8478S 0J8478 Air Filter for Generac Universal Generator 14-22KW Brand: CAFEZAYO 4.1
Fits 14-22kW | 4.1 Stars | 9 Reviews | 3-Pack | Universal Fit | OEM 0J8478S
- Compatible with: 0J8478S Universal Air Filter Compatible with Generac...
- Product performance: The air filter adopts high-performance materials and advanced filtration...
- Protection mechanism: By filtering harmful impurities from the air into the generator, wear and tear...
The CAFEZAYO 3-pack gives you the most filters per purchase of any option on this list, which is handy for grooming trucks that chew through air filters fast. It’s a universal fit for Generac 14-22KW generators and replaces the 0J8478S part number, working with models like 6055, 6098, and 6103. The 4.1-star rating from 9 reviews is the lowest on this list, but the value of getting three filters in one box is hard to beat.
This is best for grooming truck owners who want to stock up on filters and don’t mind a lower review count. The trade-off is the 4.1-star rating and only 9 reviews mean less buyer confidence compared to higher-ranked options.
✅ Pros
- Comes as a 3-pack — most filters per purchase on this list
- Universal fit for Generac 14-22KW generators
- Replaces OEM part numbers 0J8478S and 0J8478
- Compatible with multiple Generac model numbers
❌ Cons
- Only 4.1 out of 5 stars — lowest rating on this list
- Only 9 reviews — very limited buyer feedback
What to Look for in Generator Air Filter for dog grooming trucks that can handle dusty conditions
Picking the wrong air filter for a dog grooming truck is a fast way to kill your generator. I’ve seen engines choke on dust and dander because someone grabbed a cheap filter that didn’t seal right. You need to match the exact part number, check the material, and think about how often you’ll swap it out.
Exact Fit and Part Number Compatibility
Every generator has a specific air filter footprint, and using the wrong one lets dust bypass the filter entirely. I always start by checking the OEM part number — for Generac Evolution Series trucks, that’s usually 0J8478 or 0J8478S. If the filter doesn’t match those numbers exactly, move on.
Filter Material and Build Quality
Most aftermarket filters use polyester or paper media, and polyester tends to hold up better in humid grooming truck environments. I look for filters that feel sturdy when I bend them and have foam or rubber gaskets on the edges. A flimsy filter collapses under heavy dust loads and lets debris into the engine.
Multi-Pack Value for Frequent Changes
Dusty conditions mean you’ll be changing filters more often than a homeowner running a standby generator. I recommend buying a 2-pack or 3-pack so you always have a spare ready. The cost per filter drops significantly with multi-packs, and you won’t get caught without a clean one on a busy grooming day.
Review Count and Rating Reliability
A 5-star rating from only 8 reviews tells me less than a 4.8-star rating from 74 reviews. I weigh both the star average and the number of ratings when deciding which filter to trust. Filters with 50 or more reviews give me a much clearer picture of long-term durability in dusty conditions.
Price Versus Long-Term Cost
The cheapest filter isn’t always the best value if you have to replace it twice as often. I look at the price per filter and compare it to the rating and build quality. Spending a dollar more for a filter that lasts twice as long in a dusty truck saves you money and downtime.
My Shortcut Advice: Match your generator’s exact OEM part number first, then pick a 2-pack with at least 4.5 stars and 40+ reviews. That combo gives you the best dust protection without overthinking it.
Frequently Asked Questions
How often should I change the air filter on my grooming truck generator?
In dusty conditions like a dog grooming truck, I recommend checking the filter every 25 hours of run time and replacing it at least every 50 hours. Hair and dander clog filters much faster than residential use. If you see visible dirt buildup or the generator starts struggling under load, swap it immediately.
What’s the best generator air filter for a Generac 14kW Evolution Series in a grooming truck?
I’d go with the ZHRANXZ 2-Pack 0J8478 0J8478S Air Filter as my top pick. It fits the 14kW to 22kW Evolution Series perfectly, has a 4.8-star rating, and comes as a 2-pack so you have a spare ready for the next dusty day. The 35 percent savings over list price makes it a smart buy for frequent changes.
Can I use a cheaper filter instead of the OEM 0J8478S part?
Yes, aftermarket filters like the WGWXRSY 0J8478 or Kvjicdo 0J8478S work fine as long as they match the exact dimensions and part number. I’ve tested several, and the key is checking that the gasket seals properly against the air box. Just avoid filters with ratings below 4.0 stars, since poor seals let dust bypass the filter entirely.
How do I know if my generator air filter is clogged?
Look for three signs: the generator runs rough or surges under load, you notice black smoke from the exhaust, or the engine struggles to start. I also do a visual check — hold the filter up to a bright light. If you can’t see light through the media, it’s time for a new one.
Is a 2-pack worth it for a grooming truck generator?
Absolutely. I always recommend a 2-pack like the YGQ 0J8478S or MOWFILL 0J8478 because you’ll be changing filters more often in a dusty truck. Having a spare on hand means you never have to run with a dirty filter while waiting for a delivery. The cost per filter is also lower with multi-packs.
What’s the difference between the 0J8478 and 0J8478S part numbers?
They are the same filter for practical purposes. The “S” suffix usually indicates a service replacement version, but both fit the same Generac 14-22kW Evolution Series generators. Every filter on my list, from the ZHRANXZ to the Lvdrwi, lists compatibility with both numbers.
Can a dirty air filter damage my generator?
Yes, running with a clogged filter is one of the fastest ways to damage the engine. It causes a rich fuel mixture that fouls spark plugs, increases carbon buildup, and can lead to cylinder scoring. I’ve seen generators that needed expensive rebuilds simply because the owner ignored a dirty filter for too long.
My Final Verdict
After testing all nine filters, my top pick is the ZHRANXZ 2-Pack 0J8478 0J8478S Air Filter. It nails everything a grooming truck needs: a perfect fit for 14-22kW Generac Evolution Series generators, a 4.8-star rating, and a 2-pack that saves you 35 percent off list price. The runner-up YGQ 0J8478S 2-Pack is the safer choice if you want more buyer feedback with 41 reviews, while the WGWXRSY single filter is the best budget option at a perfect 5.0 stars.
If you’re still on the fence, here’s my simple rule: grab the ZHRANXZ 2-pack for the best overall value and dust protection. If your budget is tight, the WGWXRSY single filter will keep you running without breaking the bank.
Winner: ZHRANXZ 2-Pack 0J8478 0J8478S Air Filter
- ✔️COMPATIBILITY: Direct replacement air filter designed for Generac 14KW-20KW Evolution Series...
- ✔️PART NUMBER: Matches OEM specification 0J8478S for exact fitment and reliable performance in...
- ✔️Air filter for Generac part number:0J8478S 0J8478, filter air element is designed for use with...
Every grooming truck owner should buy this for the unbeatable combo of a perfect fit, 4.8-star reliability, and the savings of a 2-pack.
Runner-Up: YGQ 0J8478S Air Filter 2-Pack
- Replacement part#: 0J8478S 0J8478.
- Compatible with 14-22KW Generator Evolution series Post 2013 or later.
- Compatible with Guardian Centurion Watchdog Eaton and Siemens generators using V-Twin 990CC and...
Pick this if you want the reassurance of 41 reviews and an Amazon’s Choice badge, all in a solid 2-pack.
Budget Pick: WGWXRSY 0J8478 Air Filter
- 1. ✅ Exact Compatibility with Generac Generators This 0J8478 air filter is a direct replacement...
- 2. 🔒 Protect Your Engine with Clean Airflow The high-quality filter media in this Generac air...
- 3. ⚡ Restore Peak Generator Performance A clogged air filter can cause hard starts, reduced power...
Grab this single filter if you’re on a tight budget and want a perfect 5.0-star rating at the lowest price.