K&N powersports chrome canister oil filters contain a modern synthetic filter media, designed for ultimate flow with less pressure drop, yet engineered for outstanding filtration. K&N powersports 'spin-on' oil filters feature a heavy-duty, chrome-plated metal can. Most of these have a 17 mm nut affixed onto the end that allows for easy removal. The 17 mm nut is crossed-drilled so racers can safety wire the filter to their bike.
Specifications:
- Product type: Oil Filter
- Thread: 3/4 In. 16 UNF
- Style: Spin-On
- Outside diameter: 2.938 in (75 mm)
- Height: 3.703 in (94 mm)
- Gasket material: Nitrile Rubber
- Anti-drain-back valve: No
- Bypass valve: Yes
- Relief valve: Yes
- Removal nut: 17 mm
- Additional O-ring included: No
- Warranty: 1 Year Limited
- Part number: KN-170C
Fits a wide range of Harley gas applications, 1980-2022. 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):
- Harley Davidson 6379677A
- Harley Davidson 6380580A
- Harley-Davidson 6379677A
- Harley-Davidson 6380580A
FAQ
Will the K&N KN-170C 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-170C replace?
It cross-references common filters including Harley Davidson 6379677A, Harley Davidson 6380580A, Harley-Davidson 6379677A, Harley-Davidson 6380580A.
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-170C uses a 3/4 In. 16 UNF thread, 2.938 in (75 mm) outer diameter and 3.703 in (94 mm) height.
What warranty does it carry?
It is backed by the K&N 1 Year Limited Warranty.

