With over 35 year’s experience in the truck parts industry, we strive to provide our customers with Quality Truck Replacement Parts at The Best Price.
Our manufacturers include, but are not limited to Navistar
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GiraffeG4 overhead collision alert system

Truck and RV overhead Height Sensor


Invented and developed by a truck driver with over 10 years experience on the road and around New York City, the Giraffe G4 is a system that addresses the overhead hazard problems that face a trucker everyday. Hazards such as unmarked and mismarked bridges, railroad trestles, roads where asphalt has been added and the signs havenʼt been adjusted, low hanging tree limbs and building awnings that arenʼt marked at all.

Using the latest in waterproof sound technology the GiraffeG4 collision alert system gives the driver a chance to measure the hazard heʼs about to pass under. If itʼs too low for the trailers height, the driver can back out and choose another route, avoiding the damage to the trailer and the object the trailer is about to hit. Even small damage to the integrity of a trailer or refrigerated trailer can cost thousands of dollars to fix, to say nothing about the traffic violations that pile up when a trailer is stuck and holding up traffic.

The driver controls the unit, with a programmable read-out in the cab. If the driver is swapping boxes throughout the day, say from a 12”6” to a 13ʼ6”, the driver adjusts the height of the new trailer during his pre trip routine, and off he goes. The bottom line is that the GiraffeG4 is an inexpensive, sturdy, insurance policy that will save trucking companies and independent operators money.

A Special Note for RV Owners

When ordering a GiraffeG4 to protect your RV, make sure that you also order the Magnet Mount to secure the sensor to your vehicle. The GiraffeG4 was originally designed to be mounted on a tractor trailer’s mirrors. Most RVs don’t have this style of mirror, so special mounting options were developed just for you.


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Thanks for the quick shipment, speedy core charge return, and email notifications. Stand up company. The injector for my 6.0 powerstroke was a quality part. Received it in 3 days and the $200 core charge returned way faster than I expected. My next injectors will will be ordered from HNC.

Thanks, Ryan

It was  a very easy and pleasant process buying from your website. The part came in very fast, good quality and I haven't had any customer complaints. If I need something in the future I will definitely use your website again. Thanks,

Advance Auto Parts
Store #4030

 Definitely very satisfied!!!!! I called before I placed the online order your counter guy was very helpful!!!! I will check first with you before I ever order from the dealer or anybody else. I'm a napa jobber and I will spread the word to as many other jobbers as I can. Thanks for your help.

Landon Baker
OSS Napa Grants NM

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HNC Truck Parts ships USPS Priority Mail or UPS Ground from more than 7 locations in the United States including New Jersey. Shipping locations and shipping method are based on customers location and the parts availability in any given warehouse, and what will get it to you fastest
We will ship USPS Flat Rate to Alaska and Hawaii. Please contact us for ordering.

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