Komatsu Engine Tensioner Belt 6736-61-4120

Komatsu Engine Tensioner Belt 6736-61-4120 is a Komatsu engine replacement part listed by 19PARTS for engine-section lookup, hub navigation, and part-number verification.

Product overview

Part number 6736-61-4120 is listed as Tensioner Belt. Search also by the no-dash alternate number 6736614120.

Engine book references

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

• ENGINES / S6D102E-1C-6C S/N 26200163-UP / ENGINE / BELT TENSIONER (FOR 35A ALTERNATOR)(#26201318-) (A601S-01C8)
• ENGINES / S6D102E-1C-6Z S/N 26200163-UP / ENGINE / BELT TENSIONER (FOR 35A ALTERNATOR)(#26201318-) (A601S-01C8)
• ENGINES / S6D102E-1F-6 S/N 26200163-UP / ENGINE / BELT TENSIONER (FOR 35A ALTERNATOR)(#26200939-) (A601S-01A9)
• ENGINES / S6D102E-1F-6 S/N 26200163-UP / ENGINE / BELT TENSIONER (FOR 60A ALTERNATOR) (BELT LENGTH 1473.2MM)(#26282900-) (A601S-01A2)
• ENGINES / S6D102E-1F-6 S/N 26200163-UP / ENGINE / BELT TENSIONER (FOR 60A ALTERNATOR) (BELT LENGTH 1490MM)(#26274903-) (A601S-01A0)
• ENGINES / S6D102E-1F-6S S/N 26200163-UP / ENGINE / BELT TENSIONER (FOR 35A ALTERNATOR)(#26200939-) (A601S-01A9)

This part appears in 68 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.