Hydraulic Fitting, 1/4"X3/8" Female Komatsu

The 4G-6FKX Hydraulic Fitting is a 1/4" hose ID to 3/8" female Komatsu MegaCrimp® coupling engineered for a reliable, leak-proof hydraulic connection. Featuring Gates’ patented MegaCrimp® “C” insert design, this fitting provides even crimp force distribution to create a concentric seal. The innovative insert accommodates varying hose constructions and wall thicknesses, allowing one fitting size to work across multiple one- and two-wire hose ODs — simplifying inventory while delivering dependable performance.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 4G-6FKX
• Product Type: Hydraulic MegaCrimp® Coupling
• Connection Type: Female Komatsu
• Hose ID: 1/4"
• Fitting Nominal Size: 3/8"
• Thread Size: M18 x 1.5
• Thread Pitch: 1.5
• Nut Hex Size: 24 mm
• Stem Hex Size: 14 mm
• Overall Length: 2.44 in
• Cutoff Length: 1.42 in
• Design Feature: Patented “C” insert for concentric sealing
• Compatibility: Suitable for one- and two-wire hydraulic hoses

Ideal For

• Hydraulic systems requiring M18 x 1.5 female Komatsu connections
• Equipment maintenance and hydraulic hose assembly
• Applications demanding leak-proof, concentric crimp seals
• Shops looking to reduce inventory with multi-OD hose compatibility