Automatic Voltage Regulator (AVR) R438 — Genuine & Aftermarket Options (Multiple Options)
“R438 (Genuine)” — This listing is an automatic voltage regulator (AVR) for synchronous generators.
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“R438 (Genuine)” — This listing is an automatic voltage regulator (AVR) for synchronous generators. Key model(s): R438. Options include: R438 (Genuine), R438 (Aftermarket Standard), R438 (Aftermarket High Quality) (3 SKUs). Genuine and aftermarket options are available; choose by site requirements. Related brand / fitment cues: Leroy-Somer. Confirm alternator brand, power class, and connectors before ordering.
- Compatibility: Automatic Voltage Regulator (AVR) (avr)
- Configuration: 3 options available
- Availability: Contact us for current lead time and bulk pricing.














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