We use cookies and similar web technologies to recognize your repeat website visits and preferences and to analyze traffic. To learn more about cookies, including steps for disabling, view our Privacy Policy. By clicking “I Accept” on this banner you consent to the use of cookies unless you disable them.

Skip to Main Content

Search Part or VIN

Find the right part for your customer's vehicle.

DriveMaster: 999499

Horton Service # 999499 Horton OEM # 989499 Old Service # 999478

This product can be used as a replacement part for:Concepts Nrec 6514-060-6, Mack 40MH445M

Clutch Type: DriveMaster

Replacement Options

DM Advantage Two-Speed Reman
79A9946 (5.00" fan pilot)

Repair Kits

Repair Kit Options
Item 1 Item 3 Item 44 CLUTCH PACK KIT DMA CONVERSION BEARING KIT (DM Only) DMA CONVERSION SUPER KIT(DM Only) FRICTION DISC KIT FRICTION LINER KIT POLARFORCE KIT SEAL KIT
Service #
999499
OEM #
989499
17916 17915 15055 1S-DP-CP 995584 1S-DP-L 994348 994349 2S-DP-CP 994346
Obsolete, replaced by 79A9946 Two Speed. Fan blade 995610503-001 is required as the 79A9946 Two-Speed has a 5.00" fan pilot.

Part Components

View Full List of Components

Notes

Obsolete, replaced by 79A9946 Two Speed. Fan blade 995610503-001 is required as the 79A9946 Two-Speed has a 5.00" fan pilot.