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K&N Filters Overview:

K&N users would probably be surprised by the amount of air filtration testing and scientific research that goes on in K&N facilities as well as in independent laboratories. As the leader and originator of the high flow performance air filter we are always looking for new ways to provide excellent protection and maximum power for your car, truck, motorcycle, and just about anything else with an engine. In 2005 more than 1600 vehicles were tested by K&N's R&D group on dynamo meters in the US, United Kingdom, and the Netherlands. In addition to these power and torque tests, we also performed more than 110 filtration tests and more than 1,200 air flow tests with our in-house state-of-the-art test equipment. Select one of the links below to read or listen to more information on air filters and the science behind their design and function.

Engine Subcategories

Camshaft and Accessories
- Camshaft (10,387)
- Camshaft And Lifter Kit (2,528)
- Camshaft Bushing (43)
- Camshaft Conversion Kit (1)
- Camshaft Follower (16)
- Camshaft Gear (546)
- Camshaft Key, Degree Wheel, and Tools (51)
- Camshaft Locking Plate W/Bolt (4)
- Camshaft Position Sensor (107)
- Camshaft Retro Fit Kit (2)
- Camshaft Thrust Button (50)
- Camshaft Thrust Plate (103)
- Camshaft/Valvetrain Kit (1,825)
- Engine Camshaft Bolt (81)
- Lifters (2,573)
Complete Engine Solutions
- Crate Engine (808)
- Engine Conversion Kit (41)
- Engine Rebuild Kit (12,234)
- Rotating Assembly (1,845)
- Stroker Kit (23)
- Top End Kit (30)
Crankshaft and Accessories
- Crankshaft (1,430)
- Crankshaft Key (13)
- Crankshaft Position Sensor (62)
- Crankshaft Pulley (849)
- Crankshaft Scraper (4)
Cylinder Head Assembly
- Cylinder Head (3,057)
- Cylinder Head Install Kit
- Engine Valve (8,865)
- PCV Valve (210)
- Positive Crankcase Ventilation (196)
- Pushrod (6,421)
- Pushrod End (52)
- Pushrod Guide Plate (59)
- Rocker Arm (3,573)
- Rocker Arm and Pushrod Kit (47)
- Rocker Arm Fulcrum / Pivot Ball (220)
- Rocker Arm Girdle (72)
- Rocker Arm Nut (158)
- Rocker Arm Shaft (421)
- Rocker Arm Shim (11)
- Rocker Arm Stud / Bolt (365)
- Valve Cover (1,706)
- Valve Cover Bolt/Stud (329)
- Valve Cover Hold Down Tab (68)
- Valve Cover Spacer (11)
- Valve Guide (3,335)
- Valve Lash Cap (143)
- Valve Seals (1,245)
- Valve Seat (4,659)
- Valve Shim (854)
- Valve Spring (4,746)
- Valve Spring and Retainer Kit (75)
- Valve Spring Locators (83)
- Valve Spring Lock (330)
- Valve Spring Retainer (1,012)
Engine Bearings
- Cam Bearing (844)
- Connecting Rod Bearing (9,334)
- Engine Bearing Kit (471)
- Main Bearing (8,635)
Engine Block Assembly
- Connecting Rod (2,367)
- Connecting Rod Bolt Protector (14)
- Connecting Rod Bushing (11)
- Connecting Rod Vise (5)
- Engine Block (546)
- Engine Block Carry Handles
- Engine Block Expansion/Freeze Plug (2,882)
- Engine Block Filler (4)
- Engine Main Cap Kit (16)
- Harmonic Balancer (1,291)
Engine Dress Up
- Engine Cover (27)
- Engine Dress Up Kit (92)
- Engine Oil Breather (368)
- Engine Oil Filler Cap (257)
- Harmonic Balancer Cover (6)
- Hose and Wire Dress Up (102)
- Spark Plug/Plug Wire Cover (17)
- Vacuum Hose (165)
Engine Mounting Hardware
- Engine Torque Damper (43)
- Engine Torque Strut
- Motor Mount (1,000)
- Motor Mount Bolt Kit (52)
- Motor Mount Bracket (41)
Gaskets and Seals
- Camshaft Swap Gasket Set (25)
- Engine Full Gasket Set (2,061)
- Engine Oil Filter Gasket (8)
- Engine Oil Pan Gasket (1,259)
- Engine Oil Pump Gasket (127)
- Engine Water Pump Gasket (954)
- Exhaust Manifold Gasket (1,498)
- Head Gasket (5,995)
- Intake Manifold Gasket (2,206)
- Metering Block Gasket (29)
- O-Rings (1,040)
- Rear Main Seal (622)
- Timing Cover Gasket (513)
- Valve Cover Gasket Set (1,592)
Lubrication System
- Engine Oil Catch Can (61)
- Engine Oil Dipstick (337)
- Engine Oil Drain Plug (115)
- Engine Oil Filler Cap (257)
- Engine Oil Filter (1,281)
- Engine Oil Filter Adapter (96)
- Engine Oil Filter Block Off Plate (5)
- Engine Oil Filter Relocation Kit (69)
- Engine Oil Filter Sandwich Adapter (29)
- Engine Oil Pan (1,374)
- Engine Oil Pan Windage Tray (139)
- Engine Oil Pressure Sensor (6)
- Engine Oil Pump (2,324)
- Engine Oil Pump Pickup (998)
- Engine Oil Pump Repair Kit (312)
- Engine Oil Pump Shaft (268)
- Oil Filter Wrench (32)
- Remote Engine Oil Filter Mount (98)
Nuts and Bolts / Studs
- Connecting Rod Bolt (841)
- Connecting Rod Nut (61)
- Engine Bolt Kit (656)
- Head Bolt and Stud (2,248)
- Lifter Valley Cover Bolt (6)
- Main Bolt and Stud (618)
- Oil Pan Bolt/Stud (141)
- Oil Pump Bolt / Stud (22)
- Universal Bolt (1,941)
- Universal Nut (400)
- Universal Washer (314)
Piston and Accessories
- Oil Rail Support (29)
- Piston - Set (15,583)
- Piston - Single (27,254)
- Piston And Ring Set (950)
- Piston Pin (1,335)
- Piston Pin Lock (49)
- Piston Ring (42,583)
- Piston Top Dead Center Stop (5)
Plumbing Hardware
- Non AN Fittings (361)
- Tubing (149)
- Tubing Bead Roller (20)
- Tubing Coupler (284)
- Tubing Cutter (1)
Power Upgrade Systems
- Power Upgrade Kits (893)
- Propane Injection Kit (13)
- Propane Injection Kit Tank (3)
- Propane Injection Remote Filling Kit (1)
Timing and Accessory Assembly
- Accessory Belt (920)
- Accessory Belt Tensioner (250)
- Accessory Pulley Kit (1,120)
- Balance Shaft Belt (31)
- Engine Timing Controller (24)
- Engine Timing Gear Set (1,792)
- Harmonic Balancer Fastener (98)
- Timing Belt (2,404)
- Timing Belt Drive Replacement Parts (10)
- Timing Belt Drive System (9)
- Timing Belt Tensioner (391)
- Timing Chain (1,552)
- Timing Chain Pointer (77)
- Timing Chain Tensioner (91)
- Timing Cover (639)
- Timing Cover Bolt (60)
- Timing Cover Seal (191)
- Timing Tab (58)
- Timing Tape (20)

O RING REPLACEMENT (EACH)

Brand: K&N Filters

Part #: 21835

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