Local (559) 855-2659

35111 Lodge Rd.
Tollhouse, California 93667
[email protected]

Monday-Friday 8AM-4PM (PST)

About Us


We at Sierra Engineering Co, Inc. are pleased to be in our 31st year of manufacturing obsolete, hard to find, RV replacement parts. We produce identical reproduction of the original part, manufactured of fiberglass. We have added ABS plastic parts to our in-stock inventory.

New Items

We are continually taking on discontinued parts to reproduce to keep up with the demand for obsolete, hard to find RV parts. If you don't see it in our catalog, don't hesitate to call or send us a message. We may be adding it to our inventory.

What's NEW for 2019-2020?

  • Sinks
  • R-Vision rear caps/pillars
  • Thor tandem skirts
  • Coachmen single panel skirts
  • Shower tubs and pans
  • Monaco rear pillars, rear roof cap, and bumpers
  • Dutchmen Grand Junction & Colorado tandem skirts
  • Grand Design/Evergreen tandem skirts
  • Forest River tandem & single skirts
  • Sunnybrook tandem and triple skirts
  • Crossroads Cruiser tandem skirt
  • R-Vision tandems
  • Keystone tandems 
  • Rexhall single fender skirts
  • and much much more... 

Visit us on all of our Social Media sites!

Facebook: https://www.facebook.com/Sierra-Engineering-Co-Inc-524323354335860/

Pinterest: https://www.pinterest.com/sierraeng1220/

Twitter: https://twitter.com/SierraEng1220 

Ebay: http://stores.ebay.com/sierra-rv-parts?_rdc=1 

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