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Mack MS300P Mid-Liner Voltage Regulators

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D22 Voltage Regulator - Direct Fit, 12 Volts, Sold individually
Part Number: WAID22
Vehicle Info Required to Guarantee Fit
$12.49
Product Details
Warranty : WAI limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Voltage : 12 VoltsRecommended Use : OE ReplacementProduct Fit : Direct Fit
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Helpful Automotive Resources

Where is the Voltage Regulator Located on an Alternator?
Where is the Voltage Regulator Located on an Alternator?Since about 2000, most platforms have the voltage regulation built into the PCM, so you might or might not have a voltage regulator on your vehicle. Bear in mind that the exact location of the voltage regulator will vary from vehicle to vehicle. If you’re struggling to find your voltage
Why Is My Battery Light On?
Why Is My Battery Light On?The battery light can be working properly yet you can still have a bad alternator, so the battery light only indicates total failure.
P2503 Code: Charging System Voltage Low
P2503 Code: Charging System Voltage LowDiagnostic trouble code (DTC) P2503 stands for “Charging System Output Low.” The code is set once the PCM detects that the battery voltage falls below its expected voltage for a certain number of seconds. The charging system relies on the alternator, which generates alternating current (AC) and converts it to direct