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Alternator (Remanufactured)

Bosch AL9444X Alternator

Brand	Bosch AL9444X
Amperage Rating	170
Case Color	Aluminum
Case Material	Aluminum
External Fan Included	No
External Regulator Included	No
Fan Type	Internal
New Or Remanufactured	Remanufactured
One Wire Capable	No
Original Equipment Manufacturer Names	ND
Outside Pulley Diameter	50.2
Plug Clock Rear View Main Mounting Ear at 6 O Clock	1
Pulley Groove Quantity	8
Pulley Included	Yes
Pulley Type	8S
Pulley Type / Belt Type (Alternator)	8S
Regulator Type	Internal
Rotation Direction	Clockwise
Voltage	12
Product line	Alternator (Remanufactured)
Fits	BMW · 59 vehicles

Remanufactured alternator. Restored and tested for dependable charging performance.

Internal regulator. Built into the unit for a simpler, cleaner setup.

Aluminum case. Lightweight construction helps resist corrosion.

Cross-references 12317605478 for the same application. See all 1.

$397.77Free shipping

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Bosch Remanufactured Alternator AL9444X

The Bosch AL9444X is a remanufactured 12-volt alternator built for BMW charging-system applications that require a 170-amp output. It features an internal regulator, internal fan, clockwise rotation, and an included pulley with an 8-groove belt profile for direct replacement use.

Bosch Premium Alternators are remanufactured, built, and tested to support dependable electrical performance and consistent charging output. This AL9444X alternator is a fitment-based replacement for select BMW 320i, 328i, 528i, X3, Z4, and related turbocharged models.

Key Features

12-volt remanufactured alternator
170-amp amperage rating for BMW charging systems
Internal voltage regulator
Internal fan design
Clockwise rotation
Included pulley with 8-groove belt type
Aluminum case and aluminum housing material
Rear plug clock position: 1 o’clock, main mounting ear at 6 o’clock

Detailed Description

Bosch AL9444X is a remanufactured alternator engineered for BMW vehicles that use the 170-amp charging configuration. The unit includes an internal regulator and pulley, with an 8S pulley type and 50.2 mm outside pulley diameter. Its aluminum construction supports a lightweight, OE-style replacement format for service work on the charging system.

Fits 2013-2018 BMW 320i, N/A; Fits 2013-2018 BMW 320i xDrive, N/A; Fits 2013-2017 BMW X3, N/A; Fits 2014-2016 BMW 228i, N/A; Fits 2015-2016 BMW 228i xDrive, N/A; Fits 2012-2016 BMW 328i, N/A; Fits 2014-2016 BMW 328i GT xDrive, N/A; Fits 2013-2016 BMW 328i xDrive, N/A; Fits 2014-2016 BMW 428i, N/A; Fits 2015-2016 BMW 428i Gran Coupe, N/A; Fits 2014-2016 BMW 428i xDrive, N/A; Fits 2015-2016 BMW 428i xDrive Gran Coupe, N/A; Fits 2012-2016 BMW 528i, N/A; Fits 2012-2016 BMW 528i xDrive, N/A; Fits 2012-2016 BMW Z4, N/A.

This part cross-references BMW 12317605478 for the same application.

What It Helps Address

Battery warning light caused by low charging output
Dim lights or unstable electrical performance
Battery drain from a failing alternator
Charging-system noise related to worn internal components
Voltage irregularities in BMW 320i, 328i, 528i, X3, and Z4 applications

Installation Notes and Tips

Verify the vehicle’s original alternator output, pulley style, plug orientation, and mounting-ear configuration before installation. Confirm the application is for the 170-amp version and inspect the belt condition, electrical connectors, and charging-system wiring during replacement. For BMW 320i, 328i, 528i, X3, and Z4 service, matching the OE-style configuration helps ensure proper fitment.

Quality Assurance

Bosch remanufactured alternators are built and tested to meet charging-system performance requirements for service replacement use. The AL9444X is a remanufactured Bosch Premium Alternator designed for consistent operation in supported BMW applications.

This part fits 59 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Drive Type	Liters	Cylinders	Position	Notes
2018	BMW	320i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2018	BMW	320i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2017	BMW	320i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2017	BMW	320i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2017	BMW	X3	AWD	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	228i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	228i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	320i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	320i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	328i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	328i GT xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	328i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	428i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	428i Gran Coupe	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	428i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	428i xDrive Gran Coupe	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	528i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	528i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	X3	AWD	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2016	BMW	Z4	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	228i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	228i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	320i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	320i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	328i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	328i GT xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	328i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	428i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	428i Gran Coupe	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	428i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	428i xDrive Gran Coupe	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	528i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	528i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	X3	AWD	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2015	BMW	Z4	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	228i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	320i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	320i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	328i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	328i GT xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	328i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	428i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	428i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	528i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	528i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	X3	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2014	BMW	Z4	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	320i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	320i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	328i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	328i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	528i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	528i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	X3	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2013	BMW	Z4	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2012	BMW	328i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2012	BMW	528i	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2012	BMW	528i xDrive	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
2012	BMW	Z4	—	2.0L	L4	N/A	To 170 Amp Alternator; Alternator (Remanufactured)
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Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

12317605478