994000 | Horton Restrictor Valve | Volvo 3947398 / 819328 | New Genuine OEM

New Genuine OEM Horton 994000 Restrictor Valve — direct replacement for Volvo part numbers 3947398 and 819328. This is a factory genuine restrictor valve used in Volvo heavy-duty truck fan clutch and cooling systems.

The Horton 994000 is a precision airflow restrictor valve designed to regulate pressure and ensure proper operation of the fan clutch system. Manufactured by Horton, this is a genuine OEM component (not aftermarket) built for reliability in demanding heavy-duty applications.

In stock and ready to ship from Discount Parts Exchange (DPX) in Mansfield, Ohio.

Call 419-522-3320 for current pricing and availability.

Key Specifications

• Horton Part Number: 994000
• Volvo OEM Numbers: 3947398, 819328
• Thread Size: 0.125" Pipe Thread (1/8" NPT)
• Function: Fan Clutch Airflow Restrictor Valve
• Condition: New Genuine OEM
• Application: Volvo Heavy-Duty Cooling & Fan Clutch Systems

What’s Included

• (1) Horton Restrictor Valve – 994000 (Genuine OEM)

Applications & Fitment

Designed for use in various Volvo heavy-duty truck models with Horton fan clutch systems. Commonly used in Volvo D11, D13, and D16 engine platforms.

Note: Always verify your current part number and fan clutch system before ordering to ensure proper fitment.

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Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel shipping available
• Warehouse Bin Location: DPX_OH_BR549_ENG

Product images may show bulk packaging or representative stock. This is a New Genuine OEM part.

Warranty: Sold as-is. No warranty expressed or implied. Please confirm fitment before purchasing.

Heavy-Duty Solutions — Built to Perform. Trusted to Last. Discount Parts Exchange (DPX).