Description
KB799131X – DRIVEMASTER FAN CLUTCH (CUMMINS ISC / ISL)
PART NUMBER(S):
Fleet Products: KB799131X (Remanufactured) | OE: Horton 79A9131, Peterbilt 05-25159-025, BorgWarner 1077-08079-01
DESCRIPTION:
Model: Horton DM Advantage DMA SE 21 On/Off (Remanufactured)
Vehicles: Peterbilt 330, 340 (2002–2006) with Cummins ISC and ISL engines
• Back Pulley Diameter: 6.00″ (158.0 mm)
• Front Pulley Diameter: 7.00″
• Pulley Belt Configuration: 8K/1V (8 groove, 1 vee)
• Belt Groove Location: 2.23″
• Fan Pilot Diameter: 2.56″
• Fan Blade Bolt Circle: 3.50″
• Fan Blade Studs: 6x, 3/8-24 Thread, 1.07″ Long
• Overall Length: 12.75″
• Drive Type: Air-engaged ON/OFF (DMA SE 21)
Applications:
Is this fan clutch compatible with your Cummins ISC or ISL-powered Peterbilt 330 or 340✔ Yes—designed for 2002–2006 models, this Horton DMA SE 21 delivers OEM-fit cooling control with 8K/1V pulley configuration and precise 2.56″ pilot fitment.
CROSS-REFERENCE(S):
79A9131, 99131, 05-25159-025, 0525159025, 1000-799131, 1000799131, 1077-08079-01, 79A9131RMAN, 989131, 999131, 99A9131, FLT0807901X, FLT99131, HO 79A9131, HO79A9131, HOR 79A9131, HOR-79A9131, RC 799131, RC799131, ZBH79A9131, RF799131X, 525159025, ABPN2099131, KM N20 99131, KMN2099131, RX79A9131RMAN, RX79A9131RMANRF, Fleetrite FLT99131, Alliance Truck Parts ABP N20 99131, Alliance Truck Parts KM N20 99131, Daimler Truck North America KM N20 99131, Peterbilt FLT99131, 3443-99131, 3443-991312, 3443-99143, 3443-991432, 3912-79A9131, 799143, 989143, 99095, 99143-2, 999143, ABP N20 991312, ABP N20 99143, ABP N20 991432, ABPN20991312, ABPN2099143, ABPN20991432, FLT991312, FLT99143, FLT991432, K799131, KM N20 991312, KM N20 99143, KM N20 991432, KMI99131, KMI991312, KMI99143, KMI991432, KMN20991312, KMN2099143, KMN20991432, PFC, R799131A 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:
✔ Verify total length and mounting clearance match your existing fan clutch before installation.
✔ Ensure compatible hub and pulley configuration to prevent premature wear.
✔ Torque all fan blade studs to OEM specifications.
✔ Use Horton-recommended repair kits for maintenance to ensure long-term reliability.
Drivemaster On/Off 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.
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Warranty Information
