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Please visit our contact page and let us know how you feel about our product, service or website.


It has been two years since I installed this shower pan and returned our family camper to regular use. Soon after this installation, COVID made it the only place I could work for the past two years.
Just took it camping again and I am currently shifting to a hybrid of work at the office and from home.
It has been great to have a reliable and durable improvement. It blends in and does its  job, so you really don’t have to think about it, which is intended to be a compliment.

So, thanks for making this for me and I appreciate it performing beyond the ability of any other product on the market.
~ Joe 8/9/2022


Fast service and they made suggestions. No hard sales talk. I will keep their name in our file.

~ Julie M. 4/1/2021


Thanks very much! You guys are a class act, I’ll happily recommend you to others.

~ Tom H. 3/2/2021


I like to thank you and the whole crew for the help of these skirts. Trailer was bought in 94 by my parents. They retired and traveled Alaska, Canada and the lower forty-eight. I’ve traveled the last couple of years and have only replaced the little things. Thanks to you and your crew it still looks original. Didn’t believe I was going to be able to do it. All who ask it’s age when they see it can’t believe it’s in that shape. Your invoice will hang on the memory wall inside. so all will know you’re an A-1 crew. I won’t forget and you will always be in my stories on the road. Thanks again.

~ Robert B. 2/26/2021


Stephanie knew her product and made the ordering process easy. I felt very confident after talking with her. Thank you.

~ Wayne 12/22/2020


It has been a pleasure doing business with you. So simple and easy and also an excellent product. Delivered right on time. Keep up the good work. Thank you.

~ Stan 10/22/2020


Thanks for your great handling of this issue. I knew from your handling of this transaction from the very beginning that you and your family company were extremely professional and helpful. This further underscores what a pleasure it is dealing with Sierra and its high level client focused approach.

~ Regards, Bob J. 10/6/2020


I received my part today. It is an exact match to my 1990 Ford E350 Econoline 26’ Fleetwood Jamboree. I thought it might be close but I was not expecting it to be identical. Thank You so much for having such parts. I spent many hours if not days searching the internet for such a part.

It fits as good as it looks.

~ John F. 9/3/2020


Received fenders yesterday. Perfect match, really had good experience with your company. Thank you.

~ John S. 8/28/2020


Kristen, The fender skirts arrived last Tuesday. My brother and I installed over the weekend. The fit our mom’s 2006 Coachman Spirit of America RV perfectly! She is very, very happy with the results! Thank you again for all the help!

~ Tim C 8/24/2020


Wow! Just what this old RV needed. Way better than original skirts. I got everything a week earlier than expected and it fit perfectly. Please pass on to your entire team my thanks. I hope that I don’t need any more in the future but I will pass on to anyone who asks where I got these beautiful pieces. You are welcome to use this review. I added some before and after pictures for your use too????

~ Mark T. 8/11/2020


I just wanted to reach out to you guys and tell you I received my double axle tango trailer fender today and wow!!! It turned out amazing. I was a little worried to order two just because of the “generic” ones I ordered that didn’t work anyways were garbage. But your guys did not disappoint. Your communication with shipping and tracking was on point as well. America needs and is lucky to have companies like you guys out here right now. As soon as I save a little money I’m gonna order one for the other side. Thanks again.

~ Alex 7/20/2020


I would like to THANK y’all for a great job you did on my new F/S . They fit great. Thanks.

~ Mark 6/22/2020


Thank you very much I just received it yesterday and I’m very impressed with your service thank you so much J.

~ Richard V. 5/18/2020


Thank you so much for the beautiful trim piece!! So prompt and well done.

~ Diana L N. 4/24/2020


The fender skirts fit nicely… thanx so much!

~ Jeff G. 4/24/2020


Purchased a pair of Keystone fender skirts – Great Service, Perfect fit, Great Quality . Pleased to find “Made In USA”

~ Gerald B. 4/2/2020


We received and it looks great!! Waaaayyyy better built than the original one too!

Thank YOU

~ Teresa L. 3/22/2020


Ref your part number 776 Fender Skirt – it fits my 2002 Holiday Rambler Alumascape 5th wheel perfectly and the taupe color is a great match!

~ Bob M. 3/13/2020


Great products and service. The fender I got fit perfect and made way better than the original plastic junk.

~ Frank M. 2/19/2020


Hello Sierra Engineering,

I received a Fiberglass Rear Cap for my Jamboree yesterday, like 4 days ahead of schedule.

I am kind of picky about stuff. It was really good quality. Better than the original. It will be a pleasure to install it.

Thank you so much!!

~ Dave P. 1/24/2020


Received the Alfa wheel well trim and was here Friday and was to be here on Monday the13th. Great timing and in excellent condition. Description says will fit 05 and possibly others. Mine is an 02 and is same size but Is of better quality than what was there. About twice the thickness of original. Extremely satisfied and customer service was great. Thanks.

~ Larry M. 1/12/2020


Thank you so very much for the amazing fender skirts you custom made for my 1977 Road Ranger. As you can see—they are PERFECT!

I had spent a week online trying to find some modern fender skirts that would work for my vintage trailer. I ordered and returned two different sets. I called one company and their entire team couldn’t find the right ones in the right color either.

You were wonderful to work with and produced a high quality product that exceeded my every expectation. Thank you for a painless and seamless transaction.

Warm regards,

~ Josephine F. 1/6/2020


Thank you so much for the fender skirts! So much better than the other company I bought from in Canada. Theirs were cheap plastic. Your fiberglass replacements are so much better, and made in America! Thanks again for all your help, and for the 15% military discount.

~ Eugene P. 11/19/19


Received my fenders yesterday. Came in prefect condition. With just minor modification and fitting they were easily installed. Thank you for your professionalism and help.

~ Mark J. 11/18/19


Wanted to thank you for your help in getting this piece sent so quickly. And all involved. Received 10/09/2019. Have already recommended Sierra Engineering, ask for Kristen.

~ Linda S. 10/11/19