Crankcase Vent Breather Filters

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K&N breather filters and crankcase vent filters are designed for the high demands of racing. These crankcase vent filters are available with rubber and chrome air filter tops, with or without heat shields and come in a variety of mounting types to meet just about any valve cover need.

Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See knfilters.com for CARB status on each part for a specific vehicle.


K&N Crankcase Vent Filter 62-1580

K&N Crankcase Vent Filter 62-1580

The 62-1580 crankcase vent filter has a K&N embossed, black powder-coated metal top and rubber base and a 1-1/4 inch flange designed to clamp on to a plastic or metal tube. This K&N crankcase vent filter is made with a cotton filter media and can be cleaned and reused. A .5oz pillow pack of K&N air filter oil is included.


Steel Base Crankcase Vent Filters - One Piece Design For Competition Use

Steel base crankcase vent filters have vent tubes added to their base. Filters consist of a one piece design with a rubber or chrome top. Filters with mounting studs can be mounted remotely, but require vent hoses and clamps. Filters mounted direct can be pressed into rubber grommets in valve covers. All baseplates are chrome plated. Tubes are zinc.

Steel Base Crankcase Vent Filter with Chrome Top Steel Base Crankcase Vent Filter with Base Top Stud Steel Base Crankcase Vent Filter with Rubber Top
2" O.D.; 1 1/2" H 3" O.D.; 2" H
Vent Diameter Rubber Top Filter Chrome Top Filter with Stud Rubber Top Filter Chrome Top Filter
3/8" O.D. 62-1000 62-1090 N/A N/A
1/2" O.D. 62-1010 62-1100 62-1050 62-1140
1/2" O.D. 62-10152 N/A N/A N/A
1/2" O.D. 62-12501 62-13001 N/A N/A
5/8" O.D. 62-1020 62-1110 62-1060 62-1150
3/4" O.D. 62-1030 62-1120 62-1070 62-1160
1" O.D. 62-1040 62-1130 62-1080 62-1170

Notes: 1) Special 3" H Filter; 2) 2" Chrome Top.


Steel Base Crankcase Vent Filters with Shield

Steel Base Crankcase Vent Filters with Shield

Zinc plated steel base plate with attached vent tube. Designed to push in to existing rubber breather grommets. All filters are 3" O.D. with deflector shields and 2 1/2" tall.

Grommet Size K&N Vent Filter
1/2" I.D. 62-1517
5/8" I.D. 62-1518
3/4" I.D. 62-1519
1" I.D. 62-1520

1" Push-On Rubber Base Crankcase Vent Filter with Chrome Top

1" Push-On Rubber Base Crankcase Vent Filter with Chrome Top

This crank case vent filter has a 1" flange, 2" outside diameter and is 1-1/2" in height. It is designed to push on to existing rubber breather grommets.

K&N Crank Case Breather Filter Part#: 62-1220


Rubber Base Crankcase Vent Filters

Filters are designed to clamp directly to metal or plastic tubing. Ideal for engines, transmissions, oil and gas tanks on racing vehicles.

Rubber Base Crankcase Vent Filter with Steel Top

Rubber Base Crankcase Vent Filter with Rubber Top

Flange I.D. Filter Diameter Filter Height Rubber Top Filter Chrome Top Filter Carbon Fiber Custom Top Filter
5/16" 1 3/8" 1 1/8" N/A 62-2470
9/16" 1 3/8" 1 1/8" N/A 62-2480
3/8" 2" 1 1/2" N/A 62-1320 62-1570
3/8" or 1/2" 2" 1 3/4" N/A 62-1600BL (Blue)
3/8" or 1/2" 2" 1 3/4" N/A 62-1600RD (Red)
3/8" or 1/2" 2" 1 3/4" N/A 62-1600WT (White)
1/2" 2" 1 1/2" N/A 62-1330
5/8" 2" 1 1/2" N/A 62-1340
3/4" 1 3/8" 1 1/8" 62-1560 N/A
3/4" 2" 1 1/2" N/A 62-1360
3/4" 2" 2 1/2" RU-3630 N/A
1" 2" 1 1/2" N/A 62-1370
1" 3" 2 1/4" 62-1410 62-1420
1 1/4" 3" 2 1/2" 62-1380 62-1390
1 3/8" 3" 2 1/2" 62-1430 62-1440
1 1/2" 3" 2 1/2" 62-1450 62-1460
1 3/4" 3" 2 1/2" 62-1470 62-1480

Rubber Base Crankcase Vent Filters with Shield

Universal "Clamp-On" for valve covers with existing vent tubes. All filters are 3"

Vent Flange Diameter K&N Vent Filter
1" I.D. 62-1511
1 1/4" I.D. 62-1512
1 3/8" I.D. 62-1513
1 1/2" I.D. 62-1514
1 3/4" I.D. 62-1515

Screw-In, Push-In, and Covered Crankcase Vent Filters & Valve Cover Adapters

K&N Universal "Push-In" style breather filters for valve covers use a washable and reusable air filter media and can be pushed directly into the valve cover where venting is needed.

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