The Rv Mart at Diederich's Rv

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Specials on all units!
Call to Setup your De-Winterizing & Spring Service Appointments - Available in-house or on-site!!


The 2018 units are arriving and are packed with more standard features than ever before.  Stop by to check out all the newest technology that KZ has added to enhance your camping experiences!!
Thank you for supporting your local small businesses!!
We are now stocking Yamaha generators and SnowDogg snow plows.
We offer repairs and service for all brands of snow plows.

Diederich's Rv was started in 1980 by Tony and Donna Slater as an Rv parts and repair business.  We then went on to buy and sell used travel trailers and fifth-wheels, we sold our first new k-z  Sportsmen travel trailer in the mid 80's and have been building long term relationships with our customers and suppliers ever since.  We are still selling units manufactured by k-z inc, and currently carry the Sportsmen, Spree connect, Durango, and sportster  product lines.  We are a full service dealer offering sales, parts and service for every unit we sell.  We are a repair center for all major Rv appliances and offer service and warranty work for those components. 

We are now a second generation family owned business with Rich and Rob Slater continuing to offer friendly and courteous sales and service to all of our customers.  We promise that every time you call on us we will do our best to take care of your needs.  We would like to take the time to thank all of our loyal customers that have enabled us to continue to offer first class sales and service throughout the years.

Diederich's Rv is located on state route 9W in the town of West Coxsackie Lat: 42.380183 Lon: -73.832718. Just 20 short miles from Albany and 100 miles north of NYC. New York State Thruway exit 21-B, go left at light (9W south) one mile on right. One mile north of Rt. 9W and Rt. 81 intersection. Take a ride to our lot where you will find many brands of Rvs, such as:

Sportsmen, Sportster, Durango, Spree Connect and an assortment of pre-owned units as well.

Stop in today and take advantage of our current sale prices on many in stock parts and accessories!

We are now stocking Yamaha Generators!


Diederich' RV

12319 Rt. 9W

West Coxsackie, NY 12192

(518) 731-6492

fax: (518) 731-8033


Hours: Mon-Fri 9am - 5pm

                       Saturday 9am - 2pm

                      -Or by Appointment 











We are now booking appointments for all of your service needs. We work on all brands of Rv's, Class A, B or C motorhomes, Fifth-wheels, Travel Trailers, Pop-ups & Pick-up campers. On-site service also available!!