OIL FILTER 21397200 5021144X1 for KH 12 050 01 S1 CV18 CV

Product Overview

This oil filter is designed for use on Kohler CH18, CH25, CV18, and CV series engines, providing reliable filtration to protect critical engine components. It meets or exceeds OEM specifications to ensure consistent oil flow and debris removal. The filter is a direct cross for multiple part numbers, simplifying the replacement process for small engine mechanics and homeowners.

Key Features & Performance

• High-capacity cellulose/synthetic blend media captures fine contaminants
• Bypass valve opens to maintain oil flow if the filter becomes clogged
• Anti-drain back silicone valve prevents oil loss when engine is off
• Reinforced steel shell withstands high operating pressures
• Gasket coated with lubrication for easy removal and reinstallation

Fitment & Compatibility

• Kohler CH18
• Kohler CH25
• Kohler CV18
• Kohler CV (various models including CV20, CV22)
• Replaces OEM Kohler part numbers 21397200, 5021144X1, 5021144X1SM, KH-12-050-01-S1

Common Uses

• Oil change service for Kohler-powered lawn tractors and zero-turn mowers
• Routine maintenance on generators, pumps, and pressure washers using Kohler engines
• Replacement filter for commercial mowing equipment and ground maintenance machinery
• Based on compatibility with CH and CV series, also used in certain industrial applications

Technical Specifications

• Part Number(s): 21397200, 5021144X1, 5021144X1SM, KH-12-050-01-S1
• Type: Spin-on oil filter
• Thread Size: 3/4-16 UNF
• Gasket Diameter: 2.2 inches (approx.)
• Height: 5.1 inches (approx.)

Frequently Asked Questions

Q: How often should I replace this oil filter on a Kohler engine? A: Replace it at every oil change, which is typically every 50-100 hours of operation or annually, whichever comes first.

Q: Is this filter compatible with Kohler Command or Courage series? A: This filter is specifically designed for CH and CV series engines. For other Kohler series, please verify the thread size and part number cross-reference before use.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.