1142869 Rectifier As-Alternator Fits Caterpillar Models
1142869 Rectifier As-Alternator Fits Caterpillar Models
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One New Aftermarket Replacement Rectifier Assembly for Caterpillar (Cat) Construction and Agricultural Equipment
This aftermarket alternator rectifier assembly replaces Caterpillar (Cat) OEM part number 1142869. The rectifier is an internal component of the Denso alternator, converting AC output from the stator into DC current for the machine's charging system. It is designed for use in Denso 45-60A IR/IF alternators with a 100mm OD stator.
Specifications
- Voltage: 12 Volt
- Outer Diameter: 90mm
- Battery Terminal: M6 x 1.0 x 44mm
- Diodes: 4 x 50A, 4 x 25A
- Heat Sinks: Aluminum
- For Denso 45-60A IR/IF Alternators with 100mm OD Stator
Compatible Models
Caterpillar Backhoe Loaders: 416B, 416C, 416D, 420D, 424D, 426C, 428B, 428C, 428D, 430D, 432D, 436C, 438B, 438C, 438D, 442D
Caterpillar Wheel Loaders / Excavators: 908
Caterpillar Track-Type Loaders: 933, 933C, 939, 939C
Caterpillar Crawler Dozers: D3C III, D3G, D4C III, D4G, D5C III, D5G
Caterpillar Telescopic Handlers: TH62, TH63, TH82, TH83, TH103
Replaces Part Number(s):
1142869
Aftermarket Interchange Numbers
Denso: 021580-2500, 021580-3130, 021580-4340 | Other: INR724
New aftermarket replacement part - not remanufactured, not used.
