Overview — 1838403
Overview
Replacement Part 1838403 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 Caterpillar 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
Treat this item as a consumable with a real duty cycle: log its hours, inspect it at each service point, and swap it out before it fatigues, protecting the components it sits alongside. Early signs it may need attention: Visible wear, corrosion or damage that is accelerating on the part and its neighbours; Rising fuel or oil consumption, drifting pressures or inconsistent operation that this part controls; A change in machine behaviour that the service manual ties to this part.
Installation Essentials
Confirm the part number against your machine model and serial number before ordering. Work on a clean machine, with the engine off and the relevant system depressurised or drained first. Fit new seals, gaskets or O-rings and torque every fastener to the manual's figure. 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 1838403) is approximately USD 990 – 2090 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
- 1838403
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.
