Oil filter Bosch or K&N

PartReview Score

Rank #5 in ranking

120

4.2

Leaks

1.6

Warning light

2.6

Owners' choice:

PR Score

Ranking

Votes

Reviews

Average rating

Properties

Car

PartReview Score

Rank #9 in ranking

123

3.6

Leaks

3.1

Smell/smoke

3.7

Warning light

3.3

No data

Reviews

All

Bosch

K&N

Bosch › Oil filter

bclabrat 15 Jan 2026, 00:52

Rating 5.0

I buy Bosch filters through Rock Auto and oil during the Fleet Farm Black Friday rebate sale so my oil changes cost less than $10.

Pros: oil changes cost less

K&N › Oil filter

Mizar97 9 Jan 2026, 21:10

Rating 4.0

Personally I like K&N filters, they come with a nut welded to them so you can use a normal wrench instead of a filter wrench. Gotta be careful not to over tighten them though

Pros: nut welded to them

Cons: careful not over tighten

Vehicle: Subaru

Bosch › Oil filter

SteveTheBluesman 8 Jan 2026, 20:38

Rating 5.0

The Euro oil (which I seriously doubt Valvoline used) is about $30 for a 5q jug + $10 for an extra quart, and a Bosch filter about $15.

Pros: easy to find

Vehicle: Audi

K&N › Oil filter

Motor-Professor6268 7 Jan 2026, 01:41

Rating 4.0

I have a kn 1 on my truck and winter is about every 1k miles I empty it. Its the 6oz canister and usually about half full. From may till like October I dont even have to look in it because it doesnt get more than an oz of oil build up in it. But man winter time with the condensation sucks.

Pros: little oil build up

Cons: condensation sucks

Mileage: 1000 km

Bosch › Oil filter

lessmod123 9 Dec 2025, 14:28

Rating 4.0

I tried to buy a filter, a bosch is a decent choice, but I wasn't able to find it, or I should import it for 100 sar ( which is expensive, most filter sold for 20 to 50 sar where I live - saudi arabia -)

Pros: decent choice

Cons: expensive to import

Vehicle: Volkswagen Passat

K&N › Oil filter

BenDoverandillshowyu 8 Dec 2025, 05:56

Leaks:

Rating 5.0

That won’t happen if you were using a K&N oil filter. All these cheap brand filters are not sturdy and will collapse when you’re trying to take them off when stuck… either The Black K&N select filter or the white Premium filter will avoid this problem from happening…

Pros: sturdy, avoids collapsing

Cons: cheap filters collapse

K&N › Oil filter

CoconutIntelligent42 3 Nov 2025, 02:54

Warning light:

Rating 3.0

K&N is good but sacrifices filtration for flow for better performance.

Pros: good performance, better flow

Cons: sacrifices filtration

Vehicle: Acura TLX

K&N › Oil filter

ElMurkel 21 Dec 2025, 20:12

Warning light:

Rating 1.0

Not sure about mobil1 filters, but stay away from K&N oil filters. I've just used one for an oil flush after extensive maintenance work, and after just 100 km it had collapsed.

Cons: collapsed after 100km

Mileage: 100 km

K&N › Oil filter

andysgalant69 13 Dec 2025, 00:35

Leaks:

Rating 1.0

K&N filters are some of the worst quality filters on the market.

Cons: worst quality

K&N › Oil filter

YoureMadImBackBigMac 12 Nov 2025, 15:05

Rating 1.0

KN filters are gay, watch freedom worx YouTube video about Oem vs KN filters. You'll wanna swap right back!

Cons: KN filters are gay

Vehicle: Infiniti

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Show all

Which oil filter to choose — Bosch or K&N?

If choosing oil filter across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.

We compare oil filter across these categories:

PR Score.
Overall ranking.
Vote balance.
Average rating.
Number of reviews.
Feature ratings.
Car owners’ choice.

Which oil filter are better — K&N or Bosch?

In March 2026 on PartReview, oil filter Bosch were overall better than K&N.

Bosch received a PR Score of 82 out of 100, and K&N scored 70 points.
Bosch ranked 5 in the overall ranking, and K&N ranked 9.
The average rating is higher for Bosch (4.2) than for K&N (3.6).
Oil filter Bosch have better feature ratings than K&N:
- Warning light - owners believe, that this property for K&N is better than Bosch.
- Leaks - drivers claim, that this property for K&N is outperforms Bosch.
- Smell/smoke - reviews suggest, that this property for K&N is preferred to Bosch.

Which oil filter are more popular — Bosch or K&N?

In March 2026 on PartReview, oil filter K&N were overall more popular than Bosch.

By vote balance, oil filter K&N surpassed Bosch:

For Bosch, the ratio of positive (151) to negative (31) votes is 120 votes.
For K&N, the ratio of positive (214) to negative (91) votes is 123 votes.

By number of reviews, oil filter K&N surpassed Bosch:

For oil filter Bosch there are 60 reviews: 49 positive, 2 neutral, 9 negative.
For oil filter K&N there are 99 reviews: 66 positive, 8 neutral, 25 negative.

Which oil filter do car owners prefer — Bosch or K&N?

In March 2026, according to PartReview, oil filter Bosch led more car-specific ratings than K&N:

Bosch are chosen by owners of cars such as: Ford Maverick, Honda Accord, Honda Odyssey, and others.

Oil filter K&N have not yet taken leading positions in car-specific ratings. You can help by adding a review and specifying your car.

Other comparisons of oil filter

If this comparison didn’t fully answer your question, there are many others on PartReview.

For example, comparisons of oil filter Bosch with: Fram, Mann, Wix, Mobil, OEM Toyota, Motorcraft, OEM Volkswagen, OEM Honda, AMSOIL, Mahle.

Also available: comparisons of oil filter K&N with: Fram, Mann, Wix, Mobil, OEM Toyota, Motorcraft, OEM Volkswagen, OEM Honda, AMSOIL, Mahle.

You can also see who is better among other oil filter manufacturers: Fram or Mann, Fram or Wix, Fram or Mobil, Fram or K&N, Mann or Wix.