Since the Lionshead Aluminum Bobcat wheel in Gunmetal has been discontinued we'll need to look for a different solution for you. We have a wide variety of wheel types though so picking out a new one shouldn't be too difficult - it just may get a bit pricey if you're wanting all of your wheels to still match.
For a Gunmetal Gray design I recommend the 15" Liger part # LH37FR which has a bit of a more aggressive look than the Bobcat but has that sleek Gunmetal Gray look that you currently have. view full answer...
The SAE numbers are not always super reliable and is not always the best information to go off of when finding a new replacement lens.
Instead, I recommend measuring your current lens and take note of its shape/color and let me know. From here, I'll easily be able to find a replacement light lens for your 2010 Forest River Work and Play TT Toy Hauler.
For instance, if you needed a red rectangle lens that measures 4" wide and is 1-1/2" tall, then the:
-Replacement Red Lens for MC44 Series... view full answer...