Keep your Claas running with this 120 Amp 12V replacement alternator. Designed as a direct-fit replacement for the machines listed below, it delivers reliable charging for standard and accessory electrical loads.
This unit features an internal fan (IF) and an internal regulator (IR), and is supplied with a S8 pulley already fitted.
DIRECT FIT: Replaces Arrowhead AIA0038 — no modification required on the machines listed below.
Key Features
✔High Capacity: 120 Amps of charging output.
✔Direct Replacement: Replaces Arrowhead AIA0038.
✔Pulley Fitted: S8 pulley installed and ready to fit.
✔Robust Design: IF fan. IR regulator.
✔Quality Assured: New aftermarket unit, 12 month warranty.
Technical Specs
Voltage:
12 Volts
Amperage:
120 Amps
Rotation:
CW (Clockwise)
Pulley:
S8
Regulator:
Internal (IR)
Fan Type:
Internal (IF)
SKU Reference:
400-29046
OEM Part Number Cross Reference
Arrowhead
AIA0038, 400-29046, IA1161, MG339
Claas
7700071558
Lester
24097
Letrika (iskra) Aftermarket IA
1161
Letrika (iskra) Description
AAK5533
Letrika (iskra) OEM
11.203.281
Mahle
MG339
Renault
7700071558
Frequently Asked Questions
Is this a 120 Amp alternator?
Yes, this is a 120 Amp 12V unit with an IR regulator.
Is the pulley included?
Yes, a S8 pulley is pre-installed.
Is this new or remanufactured?
This is a brand new aftermarket unit — not a remanufactured core.
Note: Please verify your machine's serial number or existing part number to ensure compatibility. Fast shipping available across the UK and Europe.
