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Regulator Rectifier 25-403-23-S for Kohler CH640 CH735 ECH440 LH685 LH775 Engine
$158.29
Sale price
$158.29
Regular price
Available to Order
This Regulator Rectifier is a high-quality aftermarket replacement part compatible with Kohler CH640, CH735, ECH440, LH685, LH775 engines and matches OEM Part# 25-403-23-S.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This replacement regulator rectifier ensures your engine's electrical system receives a stable voltage supply, protecting sensitive components and maintaining battery health.
Key Features & Performance
- Voltage Regulation: Prevents battery overcharging and ensures consistent electrical output.
- Direct Fit: Designed as a bolt-on replacement for seamless installation.
- Heat Resistance: Constructed to endure high operating temperatures in small engine environments.
Fitment & Compatibility
- Compatible Models: Kohler CH640, CH735, ECH440, LH685, LH775
- Part Number(s): 25-403-23-S
Technical Specifications
- Part Type: Regulator Rectifier
- Brand Compatibility: Kohler
- OEM Reference: 25-403-23-S
Frequently Asked Questions
- Q: Is this part compatible with other engine brands? A: This specific unit is designed for the listed Kohler engine models and part numbers.
- Q: Does it come with installation hardware? A: This listing includes the regulator rectifier unit; please reuse existing mounting hardware.
Compatibility may vary by serial number. Verify fitment before purchase.