Overview — 4246821
Overview
Alternator 4246821 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
This alternator is used on Caterpillar machines to charge the battery and run electrical loads at the rated output. Suitable for the corresponding machine model and configuration — please verify the machine model, serial number and part number match before ordering.
Maintenance & Replacement
Check belt tension and drive condition at each service, and verify charge voltage with a meter; replace the alternator when output drops, the bearing rumbles or the belt slips under load. Early signs it may need attention: A dashboard charge light that stays on, or a battery that keeps running flat; A grinding whine from the alternator that follows rpm, usually the drive bearing failing; Dimming lights and erratic electronic behaviour when electrical load rises.
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 Alternator (listed under 4246821) is approximately USD 110 – 245 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
- 4246821
For dependable sourcing of Alternator, Racer Machinery combines verified interchangeability with quick dispatch and pre-shipment inspection. Request a quote and our team will confirm availability in one step.
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