KTI 391-40 Molded Double Acting Solenoid

12V Power Up / Power Down Hydraulic Pump Solenoid

The KTI 391-40 molded double acting solenoid is designed specifically for 12-volt hydraulic systems using power up / power down pump assemblies.

Engineered for dump trailers, tilt trailers, and hydraulic dovetail systems, this solenoid provides reliable activation of double-acting hydraulic functions while offering fast installation and long-term durability.

If your hydraulic system is experiencing inconsistent lift or lowering performance, this solenoid is a critical replacement component.

📊 Technical Specifications

🔍 What This Solenoid Does

This molded solenoid:

✔ Activates double-acting hydraulic valve functions
✔ Controls power up and power down operation
✔ Mounts directly to KTI hydraulic motor assemblies
✔ Ensures consistent hydraulic response

It is specifically used on double-acting pump systems, not gravity-down-only units.

🛠 Verified Fitment & Applications

Commonly used on trailers equipped with KTI double-acting hydraulic systems, including:

• Load Trail
• PJ Trailers
• Lamar
• Diamond C
• Griffin
• Norstar Dump Beds
• Iron Bull (KTI-equipped models)
• Sure-Trac (select hydraulic models)
• Texas Pride (KTI power systems)

⚠ Fitment depends on the trailer being equipped with a KTI double-acting hydraulic pump assembly.

💪 Key Features

✔ Molded Weatherproof Housing

Sealed plastic construction protects against moisture, dirt, and job-site debris.

✔ Twist-Lock Connectors

Tool-free electrical connection for quick installation and servicing.

✔ Zinc-Steel Mounting Bracket

Rigid mounting ensures secure fitment to KTI hydraulic motors.

✔ Integrated Magnet Design

Provides reliable internal actuation and stable performance.

✔ Designed for Double-Acting Pumps

Specifically engineered for power up / power down hydraulic systems.

🚛 Ideal For

• Dump trailers
• Tilt trailers
• Hydraulic dovetail trailers
• Equipment transport trailers
• Commercial construction setups

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• Address: 4675 East Grand River Ave, Howell, MI 48843
• Phone: (517) 225-1991 (Call or text)
• Hours: Monday to Friday: 10:00 AM - 5:30 PM | Saturday: By appointment

Thank you for considering AAA Trailer. We're excited to help you hit the road with confidence! If you have any questions, don't hesitate to contact us.

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 We will be happy to assist you with eligible returns, the return instructions, and the shipping address. If you need a return or exchange, send us an email so we can discuss a replacement.