Genuine Parts. Lowest Prices. Compatibility Guaranteed.

Bulk Order
Search Bar 3
Air Intake & Fuel Delivery
Brakes
Cooling Systems
Engine Components
Gaskets
Lighting
Suspension & Steering
Wheels, Tires & Parts
Interior Accessories
Exterior Accessories
Home Categories Cooling Systems Fans & Kits GM 85146155

Engine Cooling Fan Clutch - GM (85146155)

Engine Cooling Fan Clutch - GM (85146155)

Engine Cooling Fan Clutch - GM (85146155)

  • MSRP: $667.41
  • Discount: $303.67 (45.5% off)
  • Sale Price: $363.74
OR
My Location
Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products

Details

  • Brand:

    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts

  • SKU:

    85146155

  • Other Names:

    Clutch, F (S)Clutch

  • Description:
    GM Genuine Parts Clutch (Part Number: 85588578) is an engine cooling fan clutch assembly designed for heavy‑duty diesel applications to engage/disengage the fan based on thermal demand.
    • Application: Specified for 6.6L diesel 4WD models including Silverado and Sierra HD series.
    • Function: Controls fan engagement to manage engine cooling efficiently under heavy load.
    • Benefit: Helps regulate engine temperature and airflow to optimize cooling performance.
    • Also known as: Fan Clutch | Engine Cooling Fan Clutch

    World Parts Direct — an American company delivering competitive pricing, compatibility guarantees, and OEM-backed support from experienced technicians.
  • Applications: 6.6L DIESEL.
  • Replaces:

    84963655, 84963657, 85588578

Warning WARNING: California Proposition 65

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Next Day Parts

Welcome to nextdayparts.com — home of the Low-Price and Right-Part Guarantee. We offer genuine OEM parts for General Motors and MOPAR vehicles, shipped directly to your door. Enjoy unmatched convenience, incredible savings, and reliable, human support. 

Every part we sell is brand new, in the manufacturer’s original packaging, and backed by the full factory warranty. These are the exact same parts installed at the factory — no substitutes, no guesswork.

Whether you're ordering for routine maintenance, collision repair, or a full restoration, our expert team is here to help. We offer a free compatibility guarantee when a VIN is provided, ensuring you get the right part the first time.

Have questions? Our parts professionals are ready to assist by phone, text, or email. We ship to more than 220 countries worldwide and are proud to serve both everyday drivers and automotive professionals.

GM

Shop authentic OEM MOPAR & GM products. Keep your vehicle running at its best by using only authentic OEM parts.