0121540402, 0131542902 - Alternator
High-precision alternator manufactured as a direct interchange for OEM numbers 0121540402, 0131542902. Engineered for heavy-duty commercial vehicle applications (Mercedes MERCEDES-BENZ ACTROS 1831 AK, Mercedes MERCEDES-BENZ ACTROS 1831 K, Mercedes MERCEDES-BENZ ACTROS 1831 S, 1831 LS, Mercedes MERCEDES-BENZ ACTROS 1831, 1831 L, Mercedes MERCEDES-BENZ ACTROS 1835 AK, Mercedes MERCEDES-BENZ ACTROS 1835 K, Mercedes M), ensuring optimal operational performance and long service life.
Technical Description
What function does this part serve?
The Alternator (Interchangeable OE: 0121540402, 0131542902) absorbs vibration, minimizes surface wear, and guarantees operational integrity across commercial heavy-duty systems.
System Compatibility
Precision-engineered to match OEM parameters for Mercedes MERCEDES-BENZ ACTROS 1831 AK, Mercedes MERCEDES-BENZ ACTROS 1831 K, Mercedes MERCEDES-BENZ ACTROS 1831 S, 1831 LS, Mercedes MERCEDES-BENZ ACTROS 1831, 1831 L, Mercedes MERCEDES-BENZ ACTROS 1835 AK, Mercedes MERCEDES-BENZ ACTROS 1835 K, Mercedes M fleets, providing drop-in fitment without requiring mechanical adjustments.
Assembly & Maintenance Guidelines
Ensure mounting surfaces are free of debris prior to installation. Tighten all fasteners according to original vehicle manufacturer torque specifications.
OE Interchangeability
Designed as an exact cross-reference replacement for OEM codes including 0121540402, 0131542902. Reference item catalog ID: KT11855.
Compatible Cross Reference OEM Numbers
Total Brands: 1Mercedes-Benz
Compatible Vehicle Applications
This OEM replacement part is suitable for the following commercial vehicle platforms & models:
Frequently Asked Questions
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Multiribbed belt
OEM: 3661821, 504056043, 7420846321, 7421531741, 7422707520, 21531745, 22707521
Pulley
OEM: 0001557118
Sliding Bracket Without Bushing
OEM: -
Rear Bracket For Front Spring-L
OEM: 5600201267
Rocker arm intake
OEM: 1422507, 1438752
Rocker arm exhaust
OEM: 1895269
Drag link
OEM: 41005475, 41006093
Gasket
OEM: 0000704037
Clamp
OEM: 08582510, 1323579, 08582510, 8582510, 2114900041, 9069950202, 5010317402, 2E0253139
Water pump
OEM: 10570959, 10570964, 1399322, 1516037, 1533783, 1546188, 1570959, 1787120, 1787123, 1789522
Multiribbed belt
OEM: 3661821, 504056043, 7420846321, 7421531741, 7422707520, 21531745, 22707521
Pulley
OEM: 0001557118
