Product Description
KB798162-2X HORTON DRIVEMASTER TWO-SPEED FAN CLUTCH REMAN – FOR PACCAR PX-8 & PX-9
PART NUMBER(S):
HORTON OEM: 79A8162-2, 798161, 798162, 988161, 988162, 998161, 998162
KIT MASTERS: 99627, 99627-2
PACCAR / PETERBILT / KENWORTH: F17-6017M39, F176017M39
DESCRIPTION:
Sold as Remanufactured – Core Return Required
Two-speed Horton DriveMaster fan clutch for PACCAR PX-8 and PX-9 engines
Back Pulley Diameter: 6.65 in.
Overall Length: 6.73 in.
Belt Configuration: 8K
Belt Groove Location: 2.25 in. from clutch face
Bolt Circle: 6 in.
Fan Pilot Diameter: 5.00 in.
Fan Blade Stud Length: 1.07 in.
Stud Thread Size: .312-18 UNC 2A
Vertical Mounting Distance: 2.01 in.
Horizontal Mounting Distance: 4.41 in.
Center of JB to Top Right Mounting Hole: 5.3 in.
Premium bearings and friction liners included
Designed for high-torque output for large fan operation
Low-speed eddy-current mode reduces engine drag and increases fuel efficiency
High-speed spring-actuated mode ensures required cooling under heavy load
Quick engine warm-up in cold weather conditions
Fewer moving parts for easier maintenance
CROSS-REFERENCE(S):
3443-996272, 798161, 798162, 988161, 988162, 99627-2, 996272, 998161, 998162, ABP N20 996272, ABPN20996272, F17-6017M39, F176017M39, FLT996272, KM N20 996272, KMI996272, KMN20996272, RX798162RMAN, RX798162RMANRF,
INSTALLATION NOTES:
✔ Confirm 8K belt configuration and 6.65 in. pulley diameter match OE spec
✔ Ensure fan pilot and stud thread dimensions are compatible with original fan
✔ Use new mounting hardware if existing is worn or damaged
✔ Follow Horton torque specs and installation sequence for best results
✔ Suitable for PX-8 and PX-9 engines in Kenworth and Peterbilt models
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com and reference Code WEB01.
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