# K&N RU-2710 Universal Clamp-On Air Filter

The K&N RU-2710 is a round universal clamp-on replacement air filter with a washable, reusable design. Its published dimensions are useful for an initial fit check, but universal-fit wording does not confirm compatibility with a particular intake.

- [Original product page](https://best-deals.pro/product/kn-ru-2710-universal-clamp-on-air-filter)
- [View offer](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
- Market: US
- Language: en-US
- Currency: USD
- Brand: K&N
- Model: RU-2710
- Category: Cars & Motorcycles > Auto Parts & Maintenance > Mechanical Parts
- Price: 63.19 USD
- Previous price: 78.99 USD
- Discount: 20%
- Price checked: 2026-11-14T05:36:02.930Z
- Rating: 4.4 / 5
- Reviews: 38

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Washable and reusable construction is intended as an alternative to frequently replaced disposable filters.
- The manufacturer describes four layers of treated cotton gauze for trapping contaminants.
- The manufacturer states cleaning is needed every 75,000 miles under normal highway driving conditions, using 15,000 miles per year to express that as five years.
- Customer feedback mentions good fit, including with a Racing Beat NA Miata Intake Kit and CARB-approved cold air intake systems. Those reports do not establish fit for every vehicle or intake.

## Pros

- Reusable, washable construction avoids routine replacement of the filter itself.
- The stated dimensions and round shape provide useful initial measurements for intake fit checks.
- Pre-oiled construction is presented as ready for installation.

## Cons

- The universal-fit claim still requires matching the filter’s flange and overall dimensions to the specific intake.

## Specifications

### Identity
- Brand: K&N
- Model: RU-2710
### Dimensions and installation
- Form factor: Round
- Dimensions listed: 3.31"L x 3.31"W x 6.5"H
- Weight listed: 0.42 kg
- Fit type: Universal Fit
### Construction and care
- Preparation: Pre-oiled
- Cleaning interval claimed: 75,000 miles under normal highway driving conditions \(5 years based on the average miles driven per year of 15,000 miles\)
- Warranty claim: 1-Year Limited Warranty

## Before you buy

- Cleaning interval is a manufacturer claim for normal highway driving. Driving conditions can affect how often the filter needs attention.

## In the box

- 3-5/16"FLG (Included)
- 4-3/4"B (Included)
- 3-1/2"T (Included)
- 6-1/2"H (Included)

## A good fit for

- Drivers seeking a washable, reusable clamp-on air filter for an intake whose connection and clearance match the listed dimensions.
- Buyers comparing a round replacement filter for an aftermarket intake, including setups like those mentioned in customer feedback.

## Less suited to

- Buyers who need a confirmed vehicle-specific fit without checking intake dimensions and connection requirements.
- Buyers seeking a complete intake kit rather than a replacement filter.

## Customer feedback

Customer feedback highlights good fit, with specific mentions of a Racing Beat NA Miata Intake Kit and CARB-approved cold air intake systems. This is relevant when comparing intake setups, but does not guarantee compatibility with another application. Aggregate ratings lean positive overall, while a smaller low-star share indicates experiences are not uniformly favorable and does not identify a specific cause.
- Positive themes: Customers report that the filter fits well, including in some named intake setups.

## Frequently asked questions

### Will the RU-2710 fit my vehicle?
The listing calls it universal fit, but does not confirm fitment for every vehicle. Compare your intake connection and available clearance with the listed dimensions before purchase.
### How often does it need cleaning?
The manufacturer says every 75,000 miles under normal highway driving conditions, equivalent to five years at an assumed 15,000 miles per year. Actual conditions may change the interval.
### Is the filter reusable?
Yes. The listing describes it as washable and reusable, and says it is pre-oiled.

## Alternative options

- [K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 6 In, Filter Height: 7.5 In, Flange Length: 1 In, Shape: Round Tapered, RU-1041](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
- [K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 6 In, Filter Height: 8 In, Flange Length: 0.625 In, Shape: Round Tapered, RU-1044](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
- [K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 4 In, Filter Height: 6 In, Flange Length: 1.75 In, Shape: Round Tapered, RE-0850](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
- [K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 3 In, Filter Height: 5.75 In, Flange Length: 0.75 In, Shape: Round Tapered, RU-5111](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
- [K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium, Washable: Flange Diameter: 3 In, Filter Height: 5 In, Flange Length: 1.75 In, Shape: Round Tapered, RU-3580](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
- [K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: High Performance, Premium: Flange Diameter: 4 In, Filter Height: 5.5 In, Flange Length: 1.125 In, Shape: Round Tapered, RG-1001RD](https://best-deals.pro/visit/kn-ru-2710-universal-clamp-on-air-filter)
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## Images

![K&N RU-2710 Universal Clamp-On Air Filter — 1](https://best-deals.pro/i/6cb5JLDk-0EXn9tM6a6PTe7VfyTJPNqNtg7PtHyaVydAxvxyZpKhWM2zOl_NpvxJNS-a_pa0-T2KNgMT_mb247tyTkAtyG7Z8VFsEFLuZee8Jj_uUiWV6_5X.jpg)

![K&N RU-2710 Universal Clamp-On Air Filter — 2](https://best-deals.pro/i/atfRmMVT5jEMaN3n52FehGjBUJXIjo40aXsH1J7Ot2B0RIVvKRb4Qq_QMJUWPerE62FxOH250pFnVkLIZ4sCAPjkz8JPeCKgClyum7IiCJVhuxIRi3ABGcRI.jpg)

![K&N RU-2710 Universal Clamp-On Air Filter — 3](https://best-deals.pro/i/kjLM4hdB89eXEZ_cFvcWl-l_96zX-qgp9aZGDUyJmcFiefdMCPttNl9KFNbz_5yXFjhiMHcKPoNbhyBkA6Pf3TwEmLhvNLQmpIq8ADLITLZUdfu6IILD4nY_.jpg)

![K&N RU-2710 Universal Clamp-On Air Filter — 4](https://best-deals.pro/i/EX9e3XXH-x257bEWLLY0mHQdOncoxSPsKuKPP8oV9oyZYbvriTjVH-grDR1y0Lgl_SVZyy-NqnFh90qWYdAbGtNkeuySAbCHsfTsoIN4kKC3SokQHd0wHtaP.jpg)