Alternator Serial Number

Alternators provide electricity to a vehicle while the engine is running, charging the battery in the process, and when the engine is turned off, the alternator alternates the power supply to the battery. General Motors exclusively uses alternators manufactured by Delco-Remy, and since Delco-Remy alternators are an industry standard, many copies exist, especially on engines where the original alternator has been replaced. Proper identification of common Delco-Remy alternator models, such as the 10SI, 12SI, 15SI and 19SI, eliminates the possibility of imitations, many of which are inferior to genuine Delco-Remy alternators. Identify the differences between Delco-Remy and GM alternators.

Differences between alternators with the same model number exist, mostly concerning the amount of power, or amperage, the alternator produces. Vehicles with many electrical devices and options require an alternator with a larger amperage rating.

Travian Server Script Downloading there. The amperage rating is found on the ID tag, and can be referenced by using the AC Delco part number. For example, the Delco part number '321-39' identifies a model 10SI with a 63 amp rating. Always use the AC Delco part number when referencing the alternator, or dealing with a parts or service department.

Enter the 7 digit hologram number to verify your STAMFORD alternator here The hard won reputation of the STAMFORD alternator brand for built-in quality, reliability.