K&N KN-171C Engine Oil Filter

K&N KN-171C Oil Filter Overview

The K&N KN-171C is a chrome spin-on engine oil filter built for powersports applications that need strong oil flow and dependable filtration. It uses a high-flow premium synthetic media, a chrome-plated metal canister, and a 17 mm removal nut for easier service on the bike.

Compatible With select motorcycle and powersports engine oil filter applications, the KN-171C is a practical choice for riders looking for a chrome oil filter with anti-drain back, bypass, and pressure relief valve features. The K&N KN-171C oil filter is also cross-referenced to common replacement part numbers for the same application.

Key Features

• Spin-on engine oil filter with chrome finish
• High-flow premium media for strong oil circulation
• Anti-drain back valve helps retain oil in the filter after shutdown
• Bypass valve and PSI relief valve included
• 17 mm removal nut with cross-drilled design for safety wire use
• Nitrile rubber gasket material
• 3/4 in. 16 UNF thread specification
• Height: 3.703 in. (94 mm); outside diameter: 2.906 in. (74 mm)

Detailed Description

The K&N KN-171C oil filter is engineered as a chrome canister spin-on filter for powersports engines that require consistent oil delivery and straightforward maintenance. Its synthetic filter media is built for high flow with reduced pressure drop, while the chrome-plated metal housing adds durability and a clean finished appearance. The integrated 17 mm nut makes removal easier during routine service, and the cross-drilled nut can be safety wired for racing use where required. This part number, KN-171C, is a direct-fit style oil filter for select applications that use a 3/4 in. 16 UNF thread.

For buyers searching for a K&N KN-171C oil filter, chrome powersports oil filter, or spin-on motorcycle oil filter, this part is built around serviceability and filtration performance. It cross-references Monroe Shocks & Struts part numbers 6373199 and PH6022 for the same application.

What It Helps Address

• Oil starvation concerns during startup by retaining oil in the filter
• Restricted oil flow caused by a clogged or inefficient filter
• Service difficulty when a standard filter is hard to remove
• Need for a chrome-finished replacement oil filter
• Racing service requirements that call for safety wiring

Installation Notes and Tips

Verify thread size, gasket diameter, and filter height before installation. The KN-171C uses a 3/4 in. 16 UNF thread and a spin-on design, so it should be matched to the engine’s specified oil filter application. Tighten according to the vehicle or engine manufacturer’s service procedure, and confirm the sealing surface is clean before installing the new filter.

For fitment-focused searches, this part is commonly researched as a K&N KN-171C oil filter for motorcycle and powersports maintenance, including select Honda Civic keyword searches only when comparing replacement part references in broader catalog research.

Quality Assurance

K&N backs the KN-171C with a 1-year limited warranty. The filter is built with a chrome-plated metal can, nitrile rubber gasket material, and a bypass valve, anti-drain back valve, and PSI relief valve for controlled oil filtration in service.