Description
KB799494X – DRIVEMASTER FAN CLUTCH (MACK / ASET AI)
PART NUMBER(S):
Fleet Products: KB799494X (Remanufactured) | Replaces OE: Mack 85123189, 40MH440M | Volvo 20883819, 21192240, 21210845, 21596045, 22113077, 85115602, 85139329 | Horton 79A5494-2, 79A5644-2, 79A9494, 79A9494-2, 79A9954, 98A9494, 99A9494, 99A9494-2 | Kit Masters 99494, 99494-2 | Concepts NREC 6514-060-1 | D&W 130-184-0410 | Fleetrite FLT99494, FLT994942 | Alliance ABPN2099494, ABPN20994942
DESCRIPTION:
Model: Horton DM Advantage (Remanufactured)
Vehicles: Mack CV, CV713 (2002–2007); Volvo VN/VE Series
Engines: Mack ASET AI, Volvo VE Series
• Back Pulley Diameter: 5.04″
• Front Pulley Diameter: 5.23″
• Overall Length: 7.38″
• Belt Configuration: 6K + 10K serpentine
• Belt Groove Location: 2.00″
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.5″
• Fan Blade Stud Length: 0.81″
• Stud Thread Size: 3/8-24 UNF
• Vertical Mounting Distance: 2.69″
• Horizontal Mounting Distance: 5.39″
• Center of JB to Top Right Mounting Hole: 2.69″
• Application Use: OE-style Horton two-speed cooling system for Mack and Volvo heavy-duty platforms with ASET AI and VE engines
Applications:
Designed for Mack CV/CV713 (2002–2007) and Volvo VE series trucks with ASET AI or VE engines. This Horton Drivemaster replacement provides direct OE fit with dual pulley sizes and proven two-speed performance.
CROSS-REFERENCE(S):
24-465CK, 2S-DP, 2S-DP-CP, 3443-994942, 3443-998494, 3912-79A94942, 40MH4103M, 40MH413AM, 65140601, 799494, 79A9494-2RMAN, 989347, 989473, 989494, 989954, 99347, 994346, 99473, 995550, 999347, 999473, 99954-2, 999542, 999954, F17-1000-9494, FC7994942, HOR79A9494, HOR79A94942, HOR99A9494-2, HOR989494, HOR999494, K799494-2, KMI99494, KMI994942, KMN2099494, KMN20994942, R799494-2, RX79A9494RMAN, RX99A9494RMAN, ZBH79A94942
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm pulley diameters (5.04″ / 5.23″) and mounting distances before installation
✔ Ensure correct belt alignment with proper groove spacing (6K / 10K)
✔ Replace all mounting hardware and seals if worn
✔ Test both fan clutch speeds under load before returning vehicle to service
✔ Apply anti-seize to fan blade studs to simplify future service
Drivemaster On/Off Repair Kits:
- Minor Seal Repair Kit: 294346
- Major Repair Kit: 294351
- Super Repair Kit: 295568, 295575, 299985, Q299999 (Universal)
- Lining Kit: 294349
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
