Skip to product information
Usually ships in 2–4 business days.
4140309 AM34738 234279 Voltage Regulator Rectifier for Kohler Lawn Mower USA
$22.99
Sale price
$22.99
Regular price
Available to Order
This Voltage Regulator Rectifier is an electrical component compatible with Kohler lawn Mower and matches OEM Part# 4140309, AM34738, 234279.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
The Voltage Regulator Rectifier manages electrical output from the engine to ensure consistent power delivery and battery charging. This Voltage Regulator Rectifier prevents power surges that could damage sensitive ignition and starting components on Kohler lawn mower engines. Proper function of the Voltage Regulator Rectifier is critical for maintaining a reliable charging system during operation.
Key Features & Performance
- Regulates output voltage to within factory specifications
- Converts AC output from the stator into DC for battery charging
- Durable heat-sink construction for thermal management
- Prevents battery overcharging and premature failure
- Plug-and-play design for simplified installation
Technical Specifications
- Part Number(s): 4140309, AM34738, 234279
Q: How do I know if my regulator is faulty? A: Symptoms include a dead battery, failure to charge, or lights flickering while the mower engine is running.
Q: Is this compatible with all Kohler engines? A: It is designed to replace specific part numbers; verify your current unit matches 4140309 or compatible references.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.