The etrailer.com Electric Jack w/ Footplate - Drop Leg - A-Frame - 25-1/8" Lift - 3,500 lbs - Black, # EJ-3520-BBX, comes with a 1 year warranty on parts. It is designed to be water resistant with its zinc coating and plastic housing, but you could put a cover on it if you desire like the Ultra-Fab Protective Cover for Electric A-Frame Jacks - Vinyl - 12" x 14-1/2", # UF38-944020, to prolong the life of the jack.
Mr. Cover named his invention as a tribute to another inspiration, the Tom Swift science fiction novels he read as a child, one of which was “Tom Swift and His Electric Rifle.” He created an acronym from “Thomas Swift Electric Rifle,” adding the “A,” he explained to The Washington Post in 1976, “because we got tired of answering the phone ‘T.S.E.R.’ ”

I purchased this cover for my BD500199 electric tongue jack. It fits great, looks good, and stays in place while driving... one bit of advice though: my level blistered, or shattered, I'm assuming from heat. the cover basically rests right on top of the level. I contacted etrailer and they sent me a new level. I have a foam insulator between the level and the cover now. 541015


Designed for use with your heavy-duty Bulldog single-speed jack, this powered drive offers quieter operations and a more efficient use of electrical power than competitive units. Lifting has never Features: Makes lifting with your Bulldog jack faster and easier Fits Bulldog single-speed jacks with 12,000-lb static capacity Works great for horse, livestock and heavy-duty trailers Designed
Founded in 1977, Harbor Freight Tools is the leading discount tool retailer in the U.S. selling great quality tools at "ridiculously low prices" in our 900 stores nationwide and on its website www.harborfreight.com. Harbor Freight Tools stocks over 7,000 items in categories including automotive, air and power tools, shop equipment and hand tools. With a commitment to quality and a lifetime guarantee on all hand tools, Harbor Freight Tools is a favorite of automotive and truck repair shops, government agencies, schools, manufacturers, contractors and tool enthusiasts who want top-quality and great selection and value. The results speak for themselves - with over 40 million customers and thousands of people switching to Harbor Freight Tools every day.
10-1/2" x 13-3/4" Weatherproof cover slips easily over your electric tongue jack and secures with drawstring. Helps to protect jack motor from the elements. Fits most brands and styles of electric A-frame jacks. Call 800-298-8924 to order Ultra-Fab Products accessories and parts part number UF38-944020 or order online at etrailer.com. Free expert support on all Ultra-Fab Products products. Guaranteed Lowest Price and Fastest Shipping for Ultra-Fab Protective Cover for Electric A-Frame Jacks - Vinyl - 10-1/2" x 13-3/4". Accessories and Parts reviews from real customers.
We highly recommend getting yourself an electric trailer jack. Marshall has always had one on his Lance, and Kelly just recently got our #1 recommended Husky electric jack after almost three years living with a manual jack, and she couldn't be happier. For Kelly, it was one of those "Why didn't I do this a long time ago" reactions. Oh well, nothing like living in the present and not bitching a fit every time you have to hook up! No more worries about Kelly's back going out because of her jack. Her back is jacked, but her back won't go out due to a jack. Something like that. 
Quickly and easily install a 4-way trailer connector on your vehicle with this custom harness. T-One connector plugs directly into existing wiring - no cutting, splicing or tapping required. Powered ModuLite reduces strain on wiring system. to temporarily remove all floor coverings and cargo trays. Once you've plugged in the connector, you will have to route the harness through the jack storage compartment to the center of your vehicle. Before

There are several places water can get into any given jack. Water should be able to drain out though. If the exit points which would be at the lowest point are clogged then the water would not be able to exit. You could use a jack cover like # UF38-944020 for future use. There is no telling how much damage is really done. If there is enough corrosion then something inside could be structurally compromised and fail when you have weight on the jack. I would not be comfortable offering...
This electric A-frame jack offers 22" of total travel and features an LED courtesy light for simple nighttime operation. Crank included for manual override in case of power failure. Features: Tongue jack positions quickly and easily with integrated drop leg Powered drive provides quiet operation and efficient use of electrical power No more hand cranking Easy-to-access on/off
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