Product Description
Briggs & Stratton 84013174 - Automatic Voltage Regulator OEM
The Briggs & Stratton 84013174 Automatic Voltage Regulator is a genuine OEM electrical component engineered to maintain stable electrical output from your engine’s charging system. This voltage regulator controls alternator output to deliver consistent voltage, helping protect batteries and sensitive electrical components from surges or drops while ensuring reliable power performance throughout operation.
What is this part & what does it do?
The automatic voltage regulator (AVR) ensures your Briggs & Stratton engine’s charging system operates within the correct voltage range. It stabilizes the electrical output, helping prevent damage to the battery and connected electrical accessories and promoting long-lasting, reliable electrical performance.
Specifications
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Part Number: 84013174
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Part Type: Automatic Voltage Regulator
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Brand: Briggs & Stratton OEM
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Condition: New OEM Replacement
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Function: Regulates voltage output from the engine’s alternator
Features
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Genuine Briggs & Stratton OEM replacement part
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Helps protect electrical systems from voltage spikes or fluctuations
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Durable construction designed to meet OEM specifications
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Simple direct replacement for failed or worn regulators
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Supports long-term electrical performance and engine reliability
Replaces / Supersedes
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Supersedes Briggs & Stratton part number 772378 in official parts listings.
Compatible With / Models Used On
This regulator is used on select Briggs & Stratton engines and equipment with charging systems where part 84013174 is specified in the parts diagrams. Official OEM fitment lists are not published, but this regulator is compatible with a variety of Briggs & Stratton-powered units (e.g., lawn mowers, garden tractors, generators, and outdoor equipment) that use the corresponding voltage regulator in their electrical systems.
Always verify fitment with your engine model and serial number before ordering.
Need assistance? Please email Orders@mowpart.com
