Product Description
KB790003X – S ADVANTAGE FAN CLUTCH (DETROIT DIESEL 6V-53 / 12V-71 / V-ENGINE)
PART NUMBER(S):
Fleet Products: KB790003X (Remanufactured) | OE: 790003, 79A0003, 90003
DESCRIPTION:
Model: S Advantage
Vehicles: FORD, FREIGHTLINER, GMC, INTERNATIONAL, MARMON (8V71, 8V92, 6V92, 6V71, 6-71, 6V-53) 1970-1993
• Back Pulley Diameter: 7.25"
• Front Pulley Diameter: N/A (single pulley)
• Overall Length: 7.1"
• Belt Configuration: 3× V-belts
• Bolt Circle: 3.50" , 1.89" Belt 1st Groove Distance (IN)
• Fan Pilot Diameter: 2.05"
• Fan Blade Stud Length: 1.57" 5/16-18 Thread
Applications: Designed for Detroit Diesel 2-stroke engines in legacy Class 6–8 trucks. Supports 3-groove fan drives, often installed in V-series engine platforms like the 6V-53 and 12V-71 across GMC, Kenworth, Peterbilt, Mack, and others.
CROSS-REFERENCE(S):
790003, 79A0003, 90003, 980003, 98A0003, 990003, 99A0003, FC790003, 990030, 990031, 990032, 990034, 990147, 990148, 899832, 809832, 829832, 839832, 980085, 980086, 590003, 511369008, 05-11369-008, 0511369008, ABP N20 90003, ABPN2090003, FLT90003, KM N20 90003, KMN2090003, KMI90003, 3443-90003, 102982, 104875, 104875B1, 104875X, 745-104875, 745-X104875, 745104875, 745X104875, ABP N20 104875X, ABPN20104875X, BAR104875, BW 104875, BW104875, BXK104875, FLT104875GTN, ZAC104875, 2C01872, D9HS-8A616-BA
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Designed for 3-groove V-belt fan drives on Detroit Diesel V-series engines
✔ Confirm fan blade clearance and pulley alignment before installation
✔ Check mounting bolt pattern against existing clutch hub
✔ Used on legacy engines with air-engaged Horton S Advantage spec
S Advantage Repair Kits:
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
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