Product Description
KB799559-2X HORTON DRIVEMASTER TWO-SPEED FAN CLUTCH REMAN – FOR VOLVO / DETROIT DIESEL D13
PART NUMBER(S):
HORTON OEM: 79A9559-2, 99559-2, 98A9559-2
KIT MASTERS: 99559
BORGWARNER: 10021057, 10032431
DESCRIPTION:
• Sold as Remanufactured – Core Return Required
• Two-speed Horton DriveMaster fan clutch for Volvo and Detroit Diesel D13 engines
• Back Pulley Diameter: 7.83 in
• Overall Length: 12.6 in
• Belt Configuration: 12PK
• Belt Groove Location: 6.65 in
• Bolt Circle: 3.5 in
• Fan Pilot Diameter: 2.56 in
• Fan Blade Stud Length: 0.81 in
• Stud Thread Size: .375-24 in
• Vertical Mounting Distance: 1.42 in
• Horizontal Mounting Distance: 4.06 in
• Fan Center (JB to Top Right Mount Hole): 1.02 in
• Heavy-duty bearings and Kevlar-impregnated friction liners
• Low-speed eddy current mode conserves fuel and reduces radiator wear
• High-speed spring-actuated mode ensures maximum cooling when required
• Faster engine warm-up in cold weather
• Engineered for easy installation and low maintenance
CROSS-REFERENCE(S):
21596045, 22113077, 3443-99559, 3912-79A96442, 706304AT, 79A9559, 79A9559-2, 79A9595, 79A9644-2, 98A9552-2, 98A95522, 98A9559, 98A9595, 98a9559, 99A8110, 99A9559, 99A9559-2, 99A9644-2, 99a9559, ABP N20 99559, ABPN2099559, F17-1014M03, F17-6014M06, F17-6017M28, FLT99559, HOR79A9595, HOR98A9595, HOR99A8110, HOR99A9595, KM N20 99559, KMI99559, KMN2099559
INSTALLATION NOTES:
✔ Confirm 12PK belt configuration and 7.83 in. pulley diameter
✔ Ensure fan pilot and mounting dimensions match OEM spec
✔ Replace worn mounting hardware with new
✔ Compatible with Horton or competitor core returns
✔ Designed for Volvo/Detroit Diesel D13 but also used in Freightliner, Kenworth, Peterbilt, and Ford applications
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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