Product Overview — 20Y-979-6121
Overview
Replacement Part 20Y-979-6121 is a commonly used spare part in construction machinery. We can supply all the original and replacement part numbers listed below, in stock or available on order — welcome to enquire by part number.
Applicable Models & Applications
Used across a wide range of Komatsu models and systems, this unit follows the same mounting and duty as the original, so fitment stays predictable for shops and operators. Suitable for the corresponding machine model and configuration — please verify the machine model, serial number and part number match before ordering.
Maintenance & Replacement
Service this part against the machine's own care schedule; keep surrounding surfaces clean and the fixings torqued, and replace it when wear is visible rather than pushing it to the point of failure. Early signs it may need attention: Visible wear, corrosion or damage that is accelerating on the part and its neighbours; Unusual noise, poor performance or a developing leak that points at the failing component; A change in machine behaviour that the service manual ties to this part.
Installation Essentials
Work on a clean machine with the engine off and the relevant system drained or depressurised as required, and confirm the part number against your machine model and serial number before ordering. Verify batch condition and surface finish on delivery, and flag anything that looks off before fitting rather than after. After installation, run the machine and check for leaks, unusual noise or abnormal travel before returning it to service, and retighten where the manual calls for it after the first hours of operation.
Reference Price
The reference price for this Replacement Part (listed under 20Y-979-6121) is approximately USD 220 – 505 per unit, depending on configuration, quantity and shipping destination. This is an estimate for planning purposes — please confirm current pricing and availability with our sales team before ordering.
Available Part Numbers
- 20Y-979-6121
Also in the Replacement Part Series
Same-series, real numbers we also supply (always confirm fit and interchange against your machine): 20Y-81-01260, 20Y-979-3110
Racer Machinery is a dedicated construction-machinery parts supplier — we keep a complete range of spare part in stock and verify it against your machine before dispatch. Tell us your part number and model and we will confirm fitment, price and lead time.
