Product Description
KB799143X HORTON DRIVEMASTER REMAN FAN CLUTCH – FOR STERLING / MERCEDES MBE4000
PART NUMBER(S):
HORTON OEM: 989143
KIT MASTER: 99143
DESCRIPTION:
Sold as Remanufactured – Core Return Required
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Horton Drivemaster remanufactured fan clutch
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Designed for Sterling trucks with Mercedes MBE4000 engines
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Includes 8-groove belt pulley configuration
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Compact design with 10.03 in. overall length
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Built for precise fit and OEM-comparable performance
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Ideal for heavy-duty cooling in vocational and fleet vehicles
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Features a 7.24 in. back pulley and 0.81 in. fan stud length
SPECIFICATIONS:
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Back Pulley Diameter: 7.24 in
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Front Pulley Diameter: Not listed
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Overall Length: 10.03 in
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Belt Configuration: 8K
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Belt Groove Location: 5.76 in
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Bolt Circle: 3.50 in
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Fan Pilot Diameter: 2.56 in
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Fan Blade Stud Length: 0.81 in (0.375-24 thread)
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Vertical Mounting Distance: 4.57 in
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Horizontal Mounting Distance: 9.69 in
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Truck Manufacturer: Sterling
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Engine Make: Mercedes MBE4000
CROSS-REFERENCE(S):
05-25159-025, 1077-08079-01, 3443-99131, 3443-991312, 3443-99143, 3443-991432, 3912-79A9131, 525159025, 799131, 799143, 79A9131, 79A9131RMAN, 79a9131, 989131, 989143, 99095, 99131, 99143-2, 999131, 999143, ABP N20 99131, ABP N20 991312, ABP N20 99143, ABP N20 991432, ABPN2099131, ABPN20991312, ABPN2099143, ABPN20991432, FLT99131, FLT991312, FLT99143, FLT991432, HOR 79A9131, HOR79A9131, K799131, KM N20 99131, KM N20 991312, KM N20 99143, KM N20 991432, KMI99131, KMI991312, KMI99143, KMI991432, KMN2099131, KMN20991312, KMN2099143, KMN20991432, PFC, R799131, RX79A9131RMAN, RX79A9131RMANRF, ZBH79A9131
IMPORTANT INSTALLATION NOTES:
✔ Confirm fan pilot diameter and bolt circle match your OE spec
✔ Use proper thread pattern and torque values during installation
✔ Ensure clearance for 8-groove pulley and belt alignment
✔ Ideal for Mercedes MBE4000 in Sterling trucks – check fan blade compatibility
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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