Komatsu Engine V-Belt Set Fan Drive 04121-22272

Komatsu Engine V-Belt Set Fan Drive 04121-22272 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 04121-22272 is listed as V-Belt Set Fan Drive. Search also by the no-dash alternate number 0412122272.

Engine book references

This part appears in Komatsu engine parts book paths such as:

• ENGINES / S6D125-1FF S/N 24781-UP / COOLING SYSTEM / COOLING FAN AND MOUNTING (0511)
• ENGINES / S6D125E-2A-6 S/N 60721-UP / ENGINE / FAN PULLEY (NON HARDENING PULLEY) (NOISE SUPPRESSION SPEC.)(#61779-) (A5050-A3J2)
• ENGINES / S6D125E-2A-6 S/N 60721-UP / ENGINE / SPARE PARTS (FOR EC REGULATION)(#61779-80454) (A9020-A3G1)
• ENGINES / S6D125E-2A-6 S/N 60721-UP / ENGINE / SPARE PARTS (FOR EC REGULATION)(#80455-) (B9999-A3H9)
• ENGINES / S6D125E-2K-6 S/N 60721-UP / ENGINE / FAN PULLEY (FOR 130A ALTERNATOR)(#76500-) (A5050-A3D5Z)
• ENGINES / S6D125E-2K-6 S/N 60721-UP / ENGINE / FAN PULLEY (FOR 90A AND 130A ALTERNATOR)(#64430-76499) (A5050-A3D5)

This part appears in 15 Komatsu engine book paths in our reference data.

Verification note

Always confirm final fitment by engine model, serial range, diagram callout, and part number before ordering. Hub references are provided to help buyers find the right engine section and related parts faster.

Keep Ops Moving

19PARTS organizes Komatsu engine parts around searchable engine-model hubs so rebuild shops, equipment owners, and fleet teams can identify parts and keep repairs moving.