- Your search has been changed to "4.000"
Availability
46 Results Found For "4.000"
Showing In Stock Items. Show All 3 Items.
Air Filter Elements, Black Series, DRYFLOW, Conical Flange, Clamp-On, 8.000 in. OD, 4.000 in. ID, 8.000 in. Tall, 6.625 in. Diameter Rubber Top, Each
Part Number: KNN-RU-5171HBK
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Elements, Black Series, DRYFLOW, Conical Flange, Clamp-On, 6.000 in. OD, 4.000 in. ID, 9.250 in. Tall, 5.25 in. Diameter Rubber Top, Each
Part Number: KNN-RU-3112HBK
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Elements, aFe Magnum FLOW Pro 5R Air Filters, Cylindrical, 4.000 in. Diameter, 7.00 in. Length, 2.75 in. Inlet Flange Diameter, Each
Part Number: AFE-24-90082
Not Yet Reviewed
Estimated Ship Date: May 22, 2026 if ordered today
Estimated Ship Date: May 22, 2026 if ordered today
Air Filter Elements, Black Series, DRYFLOW, Conical Flange, Clamp-On, 5.375 in. OD, 4.000 in. ID, 7.000 in. Tall, 4.500 in. Diameter Rubber Top, Each
Part Number: KNN-RU-3116HBK
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Element, Powersports, Round Taper, Clamp-On, Cotton Gauze, Oiled, Red, 6.00 in. OD, 4.00 in. ID, 7.00 in. Tall, Rubber Cap, Each
Part Number: KNN-RU-4680
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter, Pro Dry S, Synthetic, Conical Flanged, 4.0 in. Inlet, 7.0 in. Length, 4.0 in. Top, 6.0 in. Bottom, Each
Part Number: AFE-21-40507
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Element, Powersports, Conical Flange, Clamp-On, Cotton Gauze, Oiled, Red, 5.50 in. OD, 3.50 in. ID, 8.00 in Tall, Rubber Cap, Each
Part Number: KNN-RU-1045
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Element, Powersports, Oval, Clamp-On, Cotton Gauze, Oiled, Red, 8.50 in. Long, 5.25 in. Wide, 5.50 in. Tall, Rubber Cap, Each
Part Number: KNN-RU-5040
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter, Pro Dry S, Synthetic, Conical Flanged, 4.0 in. Inlet, 5.0 in. Length, 4.0 in. Top, 6.0 in. Bottom, Each
Part Number: AFE-21-40505
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Element, Powersports, Round Flange, Clamp-On, Cotton Gauze, Oiled, Red, 4.00 in. OD, 2.88 in. ID, 6.00 in Tall, Plastic Cap, Each
Part Number: KNN-RU-1620
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter, Pro 5R, Cotton Gauze, Conical Flanged, 4.0 in. Inlet, 5.0 in. Length, 4.0 in. Top, 6.0 in. Bottom, Each
Part Number: AFE-24-40505
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
K&N Universal Performance Air Filters for 2006-2008 A3, 2008 TT - RU-3600
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026
Air Filter Element, Powersports, Conical, Clamp-On, Cotton Gauze, Oiled, Red, 6.00 in. OD, 4.00 in. ID, 8.00 in Tall, Rubber Cap, Each
Part Number: KNN-RU-1046
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Element, Powersports, Round Taper, Clamp-On, Cotton Gauze, Oiled, Red, 6.00 in. OD, 3.00 in. ID, 6.75 in. Tall, Rubber Cap, Each
Part Number: KNN-RU-4700
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter, Pro 5R, Cotton Gauze, Conical Flanged, 3.5 in. Inlet, 6.0 in. Length, Each
Part Number: AFE-24-90024
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Air Filter, Pro Dry S, Synthetic, Conical Flanged, 3.75 in. Inlet, 6.0 in. Length, Each
Part Number: AFE-21-90025
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Air Filter, Pro Dry S, Synthetic, Conical Flanged, 3.5 in. Inlet, 8.0 in. Length, 4.0 in. Top, 6.0 in. Bottom, Each
Part Number: AFE-21-35008
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Air Filter Element, Powersports, Round Taper, Clamp-On, Cotton Gauze, Oiled, Red, 6.00 in. OD, 3.00 in. ID, 5.00 in. Tall, Rubber Cap, Each
Part Number: KNN-RU-3580
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter Element, Magnum Flow Pro 5R, Black, Carbon Fiber Cap, Cotton Gauze, Oiled, Each
Part Number: AFE-27-90204K
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Air Filter Element, Powersports, Round Flange, Clamp-On, Cotton Gauze, Oiled, Red, 4.00 in. OD, 2.75 in. ID, 6.00 in. Tall, Black Cap, Each
Part Number: KNN-RU-3190
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter, Pro 5R, Cotton Gauze, Conical Flanged, 4.0 in. Inlet, 8.0 in. Length, 4.0 in. Top, 6.0 in. Bottom, Each
Part Number: AFE-24-40508
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
AirFilter
Part Number: AFE-21-91104
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Air Filter; Pro Dry S; Air Filter; Flg. 4 in.; B-6 in.; T-4 in.; H-6 in.
Part Number: AFE-21-40006
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Air Filter, Pro 5R, Cotton Gauze, Conical Flanged, 3.5 in. Inlet, 9.0 in. Length, 4 in. Top, 6.0 in. Bottom, Each
Part Number: AFE-24-35034
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Air Filter; Takeda Air Filter; 3.75in.F x (9in.x5.75in.)B x (11in.x4in.)T x 6in.H
Part Number: AFE-TF-9008D
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
AirFilter
Part Number: AFE-24-91104
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster