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Denso 12V 55A Alternator for Caterpillar AG & Industrial Equipment (12346N Replacement)

This 12V 55A Denso-style alternator is engineered for a wide range of Caterpillar agricultural and industrial machinery, including models 416C, 416D, 420D, 424D, 426C, 428C, 428D, 428E, 430D, 432D, 436C, 438C, 438D, 442D, 908, 933, 933C, D3C III, D3C LGP, D3G, D4C III, D4C LGP, D4C, D5C III Hystat, D5C LGP, D5C XL, D5G LGP, D5G XL, TH62 Telehandler, TH63 Telehandler, TH82 Telehandler, and TH83 Telehandler, covering engines such as Cat. 3054, Cat. 3034, Cat. 3046, and Cat. 3204 5.0L Diesel from 1991 to 2014.

Compatible with multiple OEM and aftermarket numbers, including 12346N, 12346, 0R4327, 0R9273, 105-2811, 105-2812, CLA20105, CLA20205, JFZ1514, JFZ1515A, 101211-2240, and 101211-2310, this alternator is designed to deliver consistent electrical performance across demanding operating conditions.

Featuring a 2-groove pulley with a 76mm diameter, it ensures reliable power delivery for battery charging and stable operation of all onboard electrical systems. Manufactured using 100% brand-new quality components, this alternator meets or exceeds original factory specifications, guaranteeing performance and service life comparable to genuine Denso units.

Ideal for heavy-duty and industrial applications, it provides dependable power support for Caterpillar machinery, maintaining optimal functionality under continuous use.

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  • Denso 12V 55A Alternator for Caterpillar AG & Industrial Equipment (12346N Replacement)
  • Denso 12V 55A Alternator for Caterpillar AG & Industrial Equipment (12346N Replacement)
  • Denso 12V 55A Alternator for Caterpillar AG & Industrial Equipment (12346N Replacement)
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Wuxi Sanyou Auto Electrical Factory
Wuxi Sanyou Auto Electrical Factory

Our factory specializes in producing starters, generators, and spare parts for automobiles, tractors, and internal combustion engines. We possess advanced production and processing technology, complete equipment, and rigorous testing methods. Through years of hard work and entrepreneurship, we have gradually developed into a company of considerable scale and strength. Our "Xiyun" brand has gained considerable influence in the industry, and our products are sold throughout China. Some of our parts are exported to the United States, Canada, Russia, Brazil, and other countries, enjoying widespread popularity and praise from users.

Our factory currently has fixed assets of over 5 million RMB, working capital of over 4 million RMB, covering an area of ​​over 20,000 square meters, with a building area of ​​over 12,000 square meters. We currently produce DC starters and AC generators for construction machinery. Our main equipment includes 2 large hydraulic presses, 5 medium and small hydraulic presses, over 30 machine tools such as lathes, grinders, and milling machines, and over 50 sets of various specialized testing equipment. We have over 60 employees, including 3 engineers, 5 technicians, and 9 full-time technical personnel. Currently, the factory has an annual production capacity of over 150,000 starters, over 200,000 generators, over 150,000 armatures, and over 150,000 electromagnetic switches.

Our factory has a sound organizational structure. The factory has five management departments: quality inspection, technology, production, sales and marketing, and finance; and three workshops: generator assembly, starter assembly, and machining. Various organizational management regulations and training plans are being further improved to ensure high-efficiency and high-quality production.

Our factory passed ISO9000 international quality system certification in December 2000, was rated as an AAA-level credit enterprise in 2001, and passed IATF16949 certification in 2023. Currently, our factory supplies main engine manufacturers including Shanghai Diesel Engine Factory, Nantong Diesel Engine Factory, Guiyang Diesel Engine Factory, Wuxi Power Engineering Co., Ltd., and Tianjin Power Machinery Factory. Our factory will steadfastly implement the principles of "quality first, customer foremost, strict management, and brand creation," providing our customers with superior products through sincere service and excellent quality.

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