DM Advantage Two-Speed: 99A9644-2

Order Part

Horton Service # 99A9644-2 Horton OEM # 98A9644-2 Old Service # 79A9552-2, 99A9552-2

This product can be used as a replacement part for:Borgwarner 21210845, Borgwarner 21192240, Mack 21596045, Mack 40MH4103M, Mack 22113077, Volvo 21192240, Volvo 20883819, Volvo 21596045, Volvo 22113077

Replacement Options

DM Advantage Two-Speed

99A9644-2

DM Advantage Two-Speed Reman

79A9644-2

DM Advantage On/Off

99A9644

DM Advantage On/Off Reman

79A9644

Repair Kits

Repair Kit Options

Part Components

View Full List of Components

Standard Parts List

Item	Description	Qty
1	JOURNAL BRACKET	1
2	SHEAVE BEARING, includes bearing install tool	1
3	SHEAVE	1
4	BEARING NUT	1
5	AIR CHAMBER CAP	1
6	O-RING SEAL	1
9	FAN MOUNTED FRICTION DISC (FMFD)	1
17	BUTTON HEAD SCREWS	8
18	AIR CHAMBER SEAL	1
20	FACE SEAL	1
22	BEARING RETAINING RING	1
23	AIR CARTRIDGE ASSEMBLY	1
24	AIR CARTRIDGE RETAINING RING	1
27	FAN MTG STUD	6
28	FRICTION LINER	1
44	BEARING SPACERS	1
50	CLUTCH PACK - SPRING HOUSING/PISTON	1
60	Magnet Assembly	*

	ITEM 1	ITEM 3	ITEM 44	BEARING KIT	HORTON REPAIR KIT	POLARFORCE KIT	SEAL KIT
Service # 99A9644-2 OEM # 98A9644-2	19081	18916	no spacer	995550	2S-DP	2S-DP	994346
Service # 99A9644-2 OEM # 98A9644-2	2 Speed version of DM Advantage On/Off 99A9552. Requires Solenoid Valve and ECM reprogram when retrofitting to Horton pneumatic fan drive. Repair / Replace

Notes

2 Speed version of DM Advantage On/Off 99A9552. Requires Solenoid Valve and ECM reprogram when retrofitting to Horton pneumatic fan drive.