ATG20943 Alternator T430454 for Caterpillar 318D2L 318EL 318FL C4.4 C7.1 312E
ITEM NO:ATG20943

ATG20943 Alternator T430454 for Caterpillar 318D2L 318EL 318FL C4.4 C7.1 312E

Key Specifications:

  • Part Number: ATG20943 (Aftermarket) / T430454 (OEM Reference)

  • Type: Alternator (12V, 120A)

  • Compatibility:

    • Caterpillar Models: 318D2L, 318EL, 318FL

    • Caterpillar Engines: C4.4, C7.1, 312E

  • Belt Type: 8PK (8-rib Poly-V belt)

  • Unit Type: Delco (Design type)

  • Voltage: 12V

  • Amperage: 120A (High-output for heavy-duty use)

  • Condition: Aftermarket (New, non-OEM replacement)

Features & Applications:

  • 120 Amp Output – Provides robust power for Caterpillar machinery and electrical systems

  • 8PK Belt Compatibility – Matches modern Caterpillar serpentine belt systems

  • Delco Design – Reliable alternator platform with proven performance

  • Heavy-Duty Construction – Built to withstand demanding construction environments

Cross-Reference Numbers:

  • Primary OEM number: T430454

  • Aftermarket reference: ATG20943

Tags/Keywords for Labeling (5 Key Terms):

  1. Caterpillar C4.4 C7.1 Alternator

  2. 12V 120A Delco Alternator

  3. 318D2L 318EL 318FL Replacement

  4. 8PK Belt Alternator

  5. Heavy-Duty Construction Alternator

Important Notes:

  • Verify mounting points and pulley alignment for your specific Caterpillar model

  • Check connector type as some aftermarket units may have different plugs

  • Ensure proper belt tensioning during installation

  • Suitable for machines with high electrical demands


Mail consultation
Please feel free to give your inquiry in the form below. We will reply you in 24 hours.