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Ford Custom 300 Voltage Regulators
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Part Number: SIVR21
Vehicle Info Required to Guarantee Fit
$77.49
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: SIVR17
Vehicle Info Required to Guarantee Fit
$105.49
Product Details
Notes : External Mounting Location; Male Terminal Gender; Wire Ring and Blade Terminal Type; 3 Terminals; 40 Amp; 12VWarranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
Part Number: SIVR35
Vehicle Info Required to Guarantee Fit
$78.49
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :
WARNING: 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.
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Product Questions & Answers
Q:Is this electronic?
Larry P.
A:BEST ANSWERHi Larry, thanks for initiating contact. Yes, this is an electronic component. It features a manufactured circuit board that ensures precise operation and reliability. If your vehicle information matches this product you can click the link below for direct ordering to take advantage of our ongoing discount and limited stocks. Happy shopping!
https://www.carparts.com/voltage-regulator/standard/sivr35?can=CPGG4850_CSQA_20240719 Show less
Grace G.
1 Question, 1 AnswerView all Q&As >
Helpful Automotive Resources
Where is the Voltage Regulator Located on an Alternator?The voltage regulator is the part of the charging system responsible for regulating the current in the alternator field (the spinning rotor driven by the pulley). It keeps track of system voltage and regulates the alternator field current to maintain a target voltage of about 14.5 volts.
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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.
– Richard McCuistian, ASE Certified Master Automobile Technician
P2503 Code: Charging System Voltage LowThe charging system relies on the alternator, which generates alternating current (AC) and converts it to direct current (DC). Modern automobiles operate on a 12-volt direct current electrical system. A voltage regulator regulates the charging voltage produced by the alternator, keeping it between a specific voltage range to protect the