If anything, I agree that it's a very low price. I painted a hood and radiator support for my daughter's Honda last winter, and even with my company's discount on paint, it was a little over $150 just for that. And these were pre-primed parts.
There's quite a bit of labor involved in properly prepping a bumper cover for painting. Below is copied text from a Toyota Service Bulletin about painting bumper covers. Sorry it's kind of jumbled, I copied it from a PDF file. But it gives you an idea of what's required to do this.
*****************
PA003-02
Title:
REFINISHING REPLACEMENT
BUMPER COVERS
Models:
All ’83 -- ’05 Models
Technical Service
BULLETIN
June 4, 2002
TSB REVISION NOTICE:
February 14, 2005: Applicable Vehicles now includes 2004 -- 2005 model years.
Previous versions of this TSB should be discarded.
In cases where a bumper cover is being replaced, a special preparation process is
necessary to assure the refinish is customer acceptable. This bulletin provides the
recommended refinishing procedure for new bumper covers.
All 1983 - 2005 model year Toyota vehicles.
TOOLS & MATERIALS RECOMMENDED PRODUCT QUANTITY
Mild Soap - Ph neutral(no wax type)
3Mt Car Shampoo (or equivalent)
As Needed
Sanding Pad 3Mt ScotchBrite (Gray) 37448
Sanding Paste
Wax, Grease, & Silicone Remover
See Paint Manufacturer’s Recommendations
Plastic Part Adhesion Promoter
Primer and Paint
NOTE:
Please visit
www.3m.com/automotive to find the nearest store that sells 3M
automotive products.
Page 2 of 3
1. Mix a solution of mild soap (car wash soap with no wax additives) and clean water.
NOTE:
Carefully follow mixing instructions on the soap container. Too much soap or too
much water may cause surface contamination or rinsing difficulty.
2. Scrub the bumper covers with the soap and water solution, making sure all
difficult-to-reach areas are thoroughly cleaned.
3. Rinse the entire bumper cover with clean deionized water, making sure all
difficult-to-reach areas are thoroughly rinsed.
4. Dry the surface with a clean towel before water dries on the surface. Clean, dry
compressed air from an oil--less compressor may be substituted for drying with a
towel.
5. Degrease the surface with a wax, grease, and silicone remover.
NOTE:
Lacquer thinner or brake cleaner will NOT remove silicone. You MUST use a wax,
grease, and silicone remover. Carefully follow application instructions on the container
label. Fish eyes or other paint irregularities may result from not following instructions.
6. Apply a generous amount of sanding paste with a gray 3Mt ScotchBrite pad. Only a
gray pad should be used during the sanding process. Sand the entire bumper cover
surface. Be sure all difficult--to--reach areas are thoroughly sanded.
7. Clean the entire bumper cover with car wash soap and water. Be sure all
difficult--to--reach areas are thoroughly cleaned.
8. Rinse the entire bumper with clean deionized water. Be sure all difficult-to-reach
areas are thoroughly rinsed.
9. Degrease the surface with an anti-static plastic parts cleaner and a white body shop
towel or paper towel.
NOTE:
Never use a red shop towel to wipe the surface (contains silicone).
10. Assure the bumper is firmly held in place to a steady fixture.
11. Apply a plastic parts adhesion promoter to the surface, according to the
manufacturer’s recommendations.
12. Apply plastic parts primer to the surface, according to the paint manufacturer’s
recommendations.
13. Since bumpers are made of flexible plastic urethane material, use a two-part
urethane finish paint system with plasticizer (flex agent) for all bumper and cladding
repairs. Apply the appropriate top coat to the surface, according to the paint
manufacturer’s recommendations.
14. If heat is applied to cure the paint, assure the surface temperature does not exceed
80°C (176°F.)
For additional information concerning the refinish process for plastic bumpers/cladding,
please contact your respective refinish paint manufacturer’s local representative.