All of our fiberglass parts come made standard in polar white. All ABS plastic parts are only available in polar white. The fiberglass gel coated surfaces (after sanding) have an excellent adhesive ability for most automotive type paints. Fiberglass parts are also offered in colonial white, grey or taupe for $10, or black for $25 per part.


We offer a RUSH service on our fiberglass products for $20 per part. (bumpers, tubs and pans are $40) . Ships within 48 business hours of the time the order is placed. Rush service is available on all fiberglass parts that Sierra Engineering manufactures. Please call for RUSH service; it is not available online. All ABS parts are guaranteed in stock and ship same or next business day.

Check Dimensions

When ordering please select the part from the dimensions on our drawing. We do not have all the information as to the year and model and have found that many of our parts can and do fit other makes, models and years. Dimensions may vary up to 1/2″ from those listed in the catalog. On wheel skirts and trims: the left side is the driver’s side; the right side is the passenger side.

Oldies but Goodies

Due to popular demand for some of our discontinued parts, we have decided to make many of them available again.

All Sales Final

We’re sorry but due to the fact that these parts are made to order, all sales are final. Please check your dimensions before ordering. We are more than willing to help you with any questions regarding technical assistance and/or more specific dimensions. Please feel free to call us toll free at 1-888-743-7727 or fax us at 1-559-855-8659 or e-mail us. Our office hours are Monday through Friday 8 A.M. to 5 P.M. Pacific Time.

Freight Policy

Shipping via U.P.S. and Con-Way Freight throughout U.S. and Canada. Please open and inspect your shipment immediately. We must report damages to shipping company within 15 days.