Product Description
HORTON DRIVEMASTER FAN CLUTCH – REMAN
PART NUMBER(S):
HORTON: 79A9897 (Reman), 99A9897 (New OEM)
KIT MASTER: 99897
DESCRIPTION:
Model: Horton DM Advantage On/Off Fan Clutch
Engines: Cummins ISX
Vehicles: Kenworth (T2000, T800W, T800SH, W900S, T660 [2008–2010]) Peterbilt (387-120, 386, 367 SFFA, 367 SBFA)
- Clutch Style: On/Off, spring-engaged, air-disengaged
- Back Pulley Diameter: 7.27″ (184.7 mm)
- Belt Configuration: 12PK
- Belt Groove Location: 6.66″ (169.2 mm)
- Bolt Circle Diameter: 3.50″ (88.9 mm)
- Center of Journal Bearing to Top-Right Mounting Hole: 2.21″ (56.1 mm)
- Fan Blade Stud Length: 1.07″ (27.2 mm)
- Fan Pilot Diameter: 2.56″ (65.0 mm)
- Horizontal Mounting Distance: 6.33″ (160.8 mm)
- Overall Length: 12.52″ (318.0 mm)
- Stud Thread Size: 0.375-24 UN
- Vertical Mounting Distance: 2.21″ (56.1 mm)
-
DM Repair Kits:
- Minor Seal Repair Kit: 294346
- Major Repair Kit: 294351
- Super Repair Kit: 295568, 295575, Q299999 (Universal)
Applications: Designed for HEAVY DUTY diesel engine cooling systems in Kenworth and Peterbilt trucks equipped with Cummins ISX engines. Features a spring-engaged and air-disengaged mechanism for efficient thermal management. Optimized for large fan loads and consistent cooling in demanding duty cycles.
SOLD AS REMANUFACTURED – CORE RETURN REQUIRED
Built to OEM standards — thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
CROSS-REFERENCE(S):
Confirm whether your system uses a single-speed or two-speed fan clutch.
1000-799897, 1000799897, 20R-8424, 3912-79A9897, 708559AT, 79A5897, 79A9897, 79A9897-2, 79A9897RMAN, 989831, 989848, 989890, 989897, 98A9897, 99897, 999831, 999848, 999890, 999897, 99A9897, 99A9897-2, ABP N20 99897, ABPN2099897, F17-1003-5112, F17-6005-5012, F17-6005-5122, F17-6011-5120, F17-6011-5122, F1710035112, F1760055012, F1760055122, F1760115120, F1760115122, FLT99897, HOR 79A9897, HOR79A9897, HOR99A9897, K799897, KMR99897, P99A9897, R799897, RC799897, RX79A9897RMAN, RX79A9897RMANRF, ZBH79A9897
A cross-reference listing means this compressor should be a suitable replacement for the part numbers listed. Please confirm all dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
Confirm engine compatibility: Cummins ISX (2008–2010 models)
Match bolt circle, fan pilot, and pulley dimensions prior to installation
Fits Kenworth and Peterbilt trucks across various chassis models
Use service kit 994306 for full rebuild or repair service
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, call 1-877-243-0442 or email sales@fleet-products.com .
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