ATG20057 Alternator for Caterpillar 304C CR | Compatible with Mitsubishi S4L/SL/SQ/SS Engine | Replaces 32A68-00301 & A7T02077A | OEM Quality
ATG20057 Alternator – 12V 50A | Fits Caterpillar 304C CR, Mitsubishi S4L Engine
Upgrade or replace your alternator with the ATG20057, a high-performance aftermarket alternator designed to deliver stable power output and long-lasting reliability. This unit is a direct fit for a variety of equipment powered by Caterpillar, Mitsubishi, and Daewoo engines, including the Caterpillar 304C CR backhoe and machines running Mitsubishi S4L, SL, SQ, SS engines.
Engineered for OEM-level performance, this alternator is rated at 12 volts and 50 amps, featuring an internal regulator (IR) and internal fan (IF) for optimal cooling and efficiency. It directly replaces multiple OE and cross-reference numbers from Delco, Lucas, Mitsubishi, Krauf, Cargo, and more.
✅ Replaces OE Numbers:
Caterpillar / Mitsubishi: 32A68-00301, A7T02077A
Delco: DRA0408, DRA0449
Daewoo: 31A68-00401, 31A68-00402, 32A68-00302
KHD: 04112218
Lucas: LRA01542, LRA01900
Mitsubishi: A007T02077, A007T02071C, A7T02077C, and others
Krauf: ALM2492, ALM7492, ALM8492
AS: A5290, Cargo: 112492, Messmer: 210560, WPS: 12562N
? Product Specifications:
Unit Type: Alternator
Voltage: 12V
Amperage: 50A
Regulator Type: Internal (IR)
Fan Type: Internal (IF)
Condition: Aftermarket Part
Application: Caterpillar 304C CR, CLARK, Mitsubishi S4L engines
Explore our full range of high-quality alternators for various equipment on our Alternator Collection Page.
ATG20057 Alternator
Alternator for Caterpillar 304C CR
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Alternator replacement for Caterpillar 304C CR backhoe
12V 50A alternator for Mitsubishi S4L diesel engine
OEM-style alternator A7T02077A for construction equipment
High-performance alternator for Daewoo 31A68-00401
Internal regulator alternator fit for Komatsu, Clark, and CAT
ATG20057 Alternator (Replaces 32A68-00301 & A7T02077A) | Compatible with Caterpillar 304C CR
| MITSUBISHI | Engine | S4L | 1993 - On | |
| MITSUBISHI | Engine | SL | 1992 | |
| MITSUBISHI | Engine | SL | 1993 | |
| MITSUBISHI | Engine | SQ | 1992 | |
| MITSUBISHI | Engine | SQ | 1993 | |
| MITSUBISHI | Engine | SS | 1992 |
