K&N premium oil filters for powersports vehicles utilize an innovative, highly efficient synthetic-blend filtration media designed to be compatible with synthetic, petroleum-based, and blended oils, including the high concentrations of synthetic racing oils. The heavy-duty canister is engineered to be exceptionally durable, and a 17mm welded hex nut can be used for quick and easy filter removal. Engineered to support exceptionally high flow rates while providing outstanding protection from harmful engine contaminants, each filter is specifically designed to withstand the service intervals recommended by vehicle manufacturers, and is protected by the K&N 1-Year Limited Warranty.
Specifications:
- Product type: Oil Filter
- Thread: M20 X 1
- Style: Spin-On
- Outside diameter: 2.813 in (71 mm)
- Height: 3.031 in (77 mm)
- Gasket material: Nitrile Rubber
- Anti-drain-back valve: Yes
- Bypass valve: Yes
- Relief valve: Yes
- Removal nut: 17 mm
- Additional O-ring included: No
- Warranty: 1 Year Limited
- Part number: KN-138
Fits a wide range of Aprilia, Suzuki, Kymco, Arctic, Bimota and Kawasaki and other gas applications, 1986-2025. Confirm fitment by matching your OE oil filter part number, thread size, or by contacting us with your year, make, model and engine.
Cross-References (replaces):
- Aprilia 857187
- Arctic Cat 0436001
- Arctic Cat 0436146
- Arctic Cat 0812005
- Arctic Cat 3402155
- Fram PH6018
- Kymco 1541APWB1900
- Suzuki 1651003G00
- Suzuki 1651003G00X07
- Suzuki 1651006B00
- Suzuki 1651006B01
- Suzuki 1651034E00
FAQ
Will the K&N KN-138 fit my vehicle?
Match it to your original equipment oil filter part number, the thread size and gasket dimensions, or the cross-reference list, or contact us with your year, make, model and engine to confirm.
What does the K&N KN-138 replace?
It cross-references common filters including Aprilia 857187, Arctic Cat 0436001, Arctic Cat 0436146, Arctic Cat 0812005, among others.
Can I use this oil filter with synthetic oil?
Yes. K&N oil filters are designed to work with synthetic, conventional and blended motor oils.
What is the thread size?
The K&N KN-138 uses a M20 X 1 thread, 2.813 in (71 mm) outer diameter and 3.031 in (77 mm) height.
What warranty does it carry?
It is backed by the K&N 1 Year Limited Warranty.
