Description
Product Overview
Part Name: Fan Clutch Viscous 992230009
Part Numbers: 992230009, 376791231, 24437931, 22208785
Vehicle Compatibility: Mack: Granite, Pinnacle, Vision, and CH/CX series heavy-duty trucks (2000–2015) using Horton-style viscous fan drives; suitable for MP7, MP8, and MP10 engines in construction, highway, and vocational fleets
Configuration: Aftermarket viscous fan clutch designed to engage the cooling fan only when additional airflow is required, reducing fuel consumption and noise
Function: Controls fan speed to maintain optimal engine temperature, preventing overheating while improving engine efficiency and reducing parasitic losses
Technical Specifications
Type: Viscous fan clutch assembly
Material: Precision-machined aluminum body with silicone-filled viscous coupling
Application: Fits Mack trucks using Horton viscous fan drives, compatible with multiple MP-series engines (2000–2015)
Installation: Direct-fit OEM-style replacement; mounts to existing hub and fan assembly
Service Interval: Replace when fan remains engaged at all times, fails to engage, or cooling system performance decreases
Delivery & Availability
Stock Options: High-quality aftermarket viscous fan clutches available for Mack trucks
Delivery Time: 3–7 days internationally
Payment & Security
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



