CATEngine Parts

149-6130 Voltage Regulator — Cat 3306 3412

This is a precision voltage regulator, crucial for maintaining a stable electrical output from the alternator or generator to protect sensitive electronic components. Manufactured to meet strict CAT electrical system standards, it ensures consistent voltage delivery, unlike failing regulators that can cause overcharging or undercharging. Operators may notice flickering lights, battery charging issues, or erratic behavior of electronic displays when this regulator is malfunctioning.

Voltage Regulator – Part No 149-6130 – 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.

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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 TypeVoltage Regulator
MaterialElectronic Components, Plastic Housing
ApplicationElectrical System Charging
Service LifeReplace if charging system issues are detected
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of a faulty voltage regulator include the battery warning light illuminating or inconsistent battery voltage readings. If ignored, this can lead to overcharging, damaging the battery and other electrical components, or undercharging, resulting in a dead battery and potential shutdown. The ultimate consequence is failure of critical electronic systems or inability to start the equipment.

Installation Tip

Ensure all electrical connections are clean and tight before installing the new regulator, as poor connections can mimic regulator failure. Always disconnect the battery before performing any electrical component replacement.

Service Note

Test the alternator/generator output and inspect the battery terminals and wiring for corrosion when replacing the voltage regulator.