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Alternator Cummins 5318121 | 5272666
High-performance alternator for Cummins F2.8 and ISF2.8 engines, ensuring reliable battery charging and stable power for vehicle electronics.
Description
High-Performance Alternator for Cummins Engines
The Cummins 5318121 alternator is a critical component of the vehicle’s electrical system, designed to convert mechanical energy into electrical power. It ensures the battery remains fully charged while providing a steady supply of electricity to lights, sensors, and onboard electronics during engine operation.
Key Features and Benefits
- Robust Construction: Built with high-quality materials to withstand the demanding conditions of commercial truck applications and heavy-duty use.
- Efficient Power Generation: Optimized for consistent voltage output, protecting sensitive electronic control units (ECUs) and ensuring system stability.
- Direct Fit: Engineered specifically for Cummins F2.8 and ISF2.8 series engines, ensuring standardized mounting points and electrical connections for seamless installation.
- Long-Term Reliability: Designed to reduce maintenance intervals and prevent frequent replacements in commercial fleets.
Engine Compatibility
This alternator is engineered to integrate perfectly with the following Cummins engine models:
- F2.8 CM2620 F135B
- ISF2.8 CM2220 F117 / F129
- QSF2.8 CM2880 F104
Technical Specifications
- Weight: 15.48 lb
- Package Dimensions: 9.33 x 6.97 x 8.03 in



