Komatsu Engine Rod Engine Connecting 6737-32-3121

Komatsu Engine Rod Engine Connecting 6737-32-3121 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6737-32-3121 is listed as Rod Engine Connecting. Search also by the no-dash alternate number 6737323121.

Engine book references

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

• ENGINES / S6D102E-1BB-6 S/N 26200163-UP / ENGINE / PISTON(#26200467-) (A2359-01A1)
• ENGINES / S6D102E-1BB-6C S/N 26200163-UP / ENGINE / PISTON(#26200467-) (A2359-01A1)
• ENGINES / S6D102E-1C-6C S/N 26200163-UP / ENGINE / PISTON(#26200467-) (A2359-01A1)
• ENGINES / S6D102E-1C-6Z S/N 26200163-UP / ENGINE / PISTON(#26200467-) (A2359-01A1)
• ENGINES / S6D102E-1DD-6 S/N 26200163-UP / ENGINE / PISTON(#26200467-) (A2359-01A1)
• ENGINES / S6D102E-1F-6 S/N 26200163-UP / ENGINE / PISTON(#26200467-) (A2359-01A1)

This part appears in 81 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.