Denso 021080-0980 Alternator | Komatsu 600-861-1611 | 12V 60A | New OEM

New OEM Denso 021080-0980 (0210800980) alternator: a genuine Nippondenso 12-volt, 60-amp unit with internal fan and internal regulator. It is the original-equipment alternator under Komatsu part number 600-861-1611, and it supersedes Denso 101211-2941. Confirm your original alternator's Denso or Komatsu number before ordering.

Key Features:

• Genuine Denso (Nippondenso) original-equipment alternator
• 12V, 60A output
• Internal fan and internal voltage regulator
• Regulator at the 12:00 clock position
• M6-1.0 B+ output stud, negative polarity
• Single-groove solid pulley

Specifications:

• Part Number: 021080-0980
• Supersedes: Denso 101211-2941
• Condition: New OEM
• Component Type: Alternator
• Voltage: 12V
• Output: 60A
• Regulator: Internal, 12:00 clock
• Fan: Internal
• B+ Terminal: M6-1.0
• Polarity: Negative
• Pulley: 1-groove, solid
• Mounting: M8×1.25 threaded ear plus one unthreaded ear
• OE Reference: Komatsu 600-861-1611

Compatibility / Fitment:

For Komatsu industrial equipment that uses alternator 600-861-1611, including the Komatsu WA80-5 wheel loader, and for Cummins B-series-powered equipment built with this Denso unit.

Fitment check:

Denso builds many 12V compact alternators with similar bodies but different pulleys, mounting ears and regulator positions. Match your original unit's Denso number (021080-0980 or 101211-2941) or Komatsu number (600-861-1611) before ordering.

Cross-References / Interchange:

Supersession:

• Denso 101211-2941 → replaced by 021080-0980

OE Reference:

• Komatsu 600-861-1611

Aftermarket equivalents:

• Lester 12771
• Wilson 90-29-5469

Conclusion:

The Denso 021080-0980 is a new, genuine OEM 12V, 60A Nippondenso alternator with internal fan and regulator. It is the original-equipment part for Komatsu 600-861-1611 and the current replacement for Denso 101211-2941. Matching your Denso or Komatsu part number gives a direct original-equipment replacement.