CATEngine Parts

235-5725 Automatic Voltage Regulator Avr — Cat 3306 3512

This is a CAT Automatic Voltage Regulator (AVR), a crucial electronic component that maintains a stable voltage output from the generator set. It is manufactured to meet exacting OEM standards, ensuring consistent power delivery and protecting connected equipment from voltage fluctuations. Operators may notice unstable generator output voltage, frequent tripping of circuit breakers, or damage to sensitive electronic loads when this AVR fails.

Automatic Voltage Regulator Avr – Part No 235-5725 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

/assets/js/product-page.js">

Related CAT Parts

From the same category — may also be needed

152-7554
Bearing
444-6526
Signal Lamp
220-2748
Thermostat
0r3421
1 Pcs Fuel Injector Nozzle
4488804
Engine Parts Component
2272911
Engine Parts Component

Browse all CAT Engine Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAutomatic Voltage Regulator (AVR)
MaterialElectronic Components, Plastic Housing
ApplicationGenerator Set Voltage Regulation
Service LifeReplace based on generator performance and diagnostic codes
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

An initial symptom of a failing AVR is inconsistent or fluctuating generator output voltage, which may be observed on a voltmeter. If left unaddressed, this can lead to unstable power delivery, causing equipment malfunction or shutdown. The most significant risk is damage to sensitive electronic devices connected to the generator due to voltage spikes or sags.

Installation Tip

Always ensure the generator set is completely de-energized and the battery is disconnected before attempting to replace the AVR. Improper installation can lead to immediate component failure or electrical hazards.

Service Note

Inspect the generator's stator windings, exciter, and electrical connections for any signs of damage or corrosion when replacing the AVR.