Off-Road / RV • Heavy-Duty Trucking • Fleet Operations • Marine • OEM
Contact: 5492 Bolsa Ave, Huntington Beach, CA, 92649
Ph: 714-891-9300, Fax: 714-897-7632, Email:

(015) Thermocouples

Pressure Gauges
Engine control modules
Fluid Temperature Gauges
Pressure Switches
Signal generators
Valves, Solenoid & Control Actuator
Lead Wire
Hour Meter & Volt Meter Gauges
Temperature Switches
Speed Limiting Kit
Multi-Alarm IV Kit
Battery Discharge Protection
System Kit
Engine Idle Limiter
with Temperature Control Kit
Back Pressure Monitor Kit
Coolant Sensors
Magnetic & Hall Effect Sensors
All of us at Hewitt Industries will like to wish all of you a very happy and safe holiday.

We will be closed for the holidays from Thursday, December 24, 2015 through Sunday, January 3, 2016 and return on Monday, January 4, 2016.

However, we will be checking our general voice mail and our email throughout the holidays.  Please leave a message on our voicemail (714-891-9300) or an email at during the holidays if you need to contact us.  We will respond to all inquiries.
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Happy Holidays!
Electronic Liquid Level
Sender and Gauges
Happy Holidays!
Pressure gauges
Hour meters
Fluid temp. gauges
Electronic liquid level
gauges & senders

Control Modules
Multi-Alarm system
Speed Limiting system
Battery Protection sys.
Idle Limiter system
Exhaust Temperature
Back Pressure system
Engine Cool Down

Temperature Switches
Valve Solenoid
Signal Generator
Magnetic Sensor
Coolant Sensors
Pressure Switches

Pyrometer Tester
Back Pressure datalink
Speed Simulator
Catalytic Converter

Documents &
Payment Options
Phone: 714-891-9300