Goktvai 2Pc M14 to M16 Carbon Steel Hydraulic Adapter
$7.99 on Amazon.com (as of October 16, 2026, 11:37 PM EST) View details ↗
Resolve common hydraulic connection incompatibilities on your mini excavator with this 2-piece set of M14 to M16 threaded adapters. Essential for operators who need to connect standard M14 valve ports to M16 hydraulic lines, these carbon steel fittings provide a robust and reliable solution for maintaining hydraulic system integrity. Manufactured from high-quality carbon steel, these connectors are engineered to resist deformation, ensuring they withstand the rigorous demands of harsh construction sites and outdoor environments. This durability makes them a practical and cost-effective alternative to replacing worn-out original connectors.
Each adapter is precisely machined to ensure a secure and leak-resistant connection. The set includes two units, each measuring 26mm (1.02″) in overall length, with a 16mm (0.63″) upper outer diameter and a 14mm (0.55″) lower outer diameter. The internal diameters are 10mm (0.39″) on the upper end and 12mm (0.47″) on the lower end, allowing for a seamless transition between the two thread standards. Installation is straightforward and requires no specialized tools; simply screw the M14 end into the excavator's valve port and the M16 end into the hydraulic line to restore functionality immediately.
This adapter offers wide compatibility with most mini excavator brands and is suitable for various hydraulic attachments, including augers, thumbs, tilt buckets, and screw attachments. It also serves as a direct replacement for part number 115757, ensuring your equipment remains operational without the need for complex system modifications. Whether you are maintaining a personal machine or managing a fleet, these fittings provide the necessary flexibility to meet diverse hydraulic connection needs efficiently.
| Material | Carbon Steel |
|---|---|
| Thread Conversion | M14 to M16 |
| Overall Length | 26mm / 1.02″ |
| Upper Outer Diameter | 16mm / 0.63″ |
| Lower Outer Diameter | 14mm / 0.55″ |
| Package Contents | 2 x Hydraulic Adapter Fittings |





