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K&N Filter Universal Rubber Filter 4 inch Flange 5 3/8 inch Base 4 3/8 inch Top 7 inch Height

SKU: KNNRU-2590

Engine Air Filter

KN Universal Air Filter...

K&N Filter Universal Rubber Filter 4 inch Flange 5 3/8 inch Base 4 3/8 inch Top 7 inch Height

SKU: KNNRU-2590

Engine Air Filter

KN Universal Air Filter...

Sale ends in Calculating...

A$143.81 A$210.27
IN STOCK! Est Ship 3-5 days. In stock at 1 location (more than 10 available)

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Description

Exclusive K&n Engineering flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various K&n Engineering part numbers. There's never been a better time to buy your K&n Engineering upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Air Filter Element - Clamp-On - Conical - 5.375 in Base - 4.375 in Top Diameter - 7 in Tall - 4 in Flange - Reusable Cotton - Red - Universal - Each

Universal Clamp-On A

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.

Additional Information

Regardless of the angle or offset diameter of an air intake, there is probably a K&N Universal air filter for your equipment. K&N universal air filters are washable and reusable.

Part Type

Engine Air Filter


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 04:27:40

Data: v4.2 - Upd: 2026-11-11 23:10:12

Features

  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
  • One Year Limited Warranty

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Air Filter Color:Red
Air Filter Large End Diameter:5.375 in. (137mm)
Air Filter Material:Cotton Gauze
Air Filter Shape:Round Tapered
Automotive Item Grade:High Performance
Base Inside Diameter:0 in (0 mm)
Base Outside Diameter:5.375 in. (137mm)
CARB/Air Horn Diameter (in.):4.000 in.
CARB/Air Horn Diameter:4.000 in.
Carb/Air Horn Dia. (in.):4
Description:Universal Clamp-On Air Filter
Filter Material:Cotton Gauze
Filter Re-Oiling Amount:1.24 oz (37 ml)
Flange Angle:0 Degree
Flange Center to Center:0 in (0 mm)
Flange Inside Diameter:4.000 in. (102mm)
Flange Length:0.625 in. (16mm)
Flange Offset:0.000 in. (0mm)
Flange Type:Centered
Flange/Bore Center to Center:0.000 in. (0mm)
Flanges:1
Frame Design:Flexible
Height (in.):7.00 in. (178mm)
Height:7 in (178 mm)
Inner Wire:No
Item Height:7.000 in. (178mm)
Item Type:High Performance
Item Weight:1.400 lbs. (0.6 kg)
Machine Washable:Yes
Material:Rubber Base
Number of Flanges:1
Oil Included:Yes
Overall Filter Efficiency:Up To 99% Efficiency
Package Content:1
Package Contents:1 Air Filter
Package Material:Paperboard
Package Quantity:1
Package Type:Box
Part Number:knnRU-2590
Pre-Screened:No
Product Box Height:11.000 in. (279mm)
Product Box Length:6.380 in. (162mm)
Product Box Width:6.380 in. (162mm)
Product Style:Round Tapered Universal Air Filter
Shape:Round Tapered
Title:K&N RU-2590 Universal Clamp-On Air Filter
Top Inside Diameter:0 in (0 mm)
Top Material/Finish:None
Top Material:None
Top Outside Diameter:4.375 in (111 mm)
Top Style:Rubber
Warranty:1 Year Limited
Washable:Yes
Weight:1.4 lb (0.6 kg)

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s K&n Engineering, K AND N ENGINEERING, K&N, K&n Filters
StreetFX SKU knnRU-2590
SFX Item ID 5354837
Accounting SKU knn-RU-2590
Manufacturer SKU RU-2590
Manufacturer UPC 024844032195
Alternative References KANRU-2590, KNERU-2590, RU-2590

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