The Front Lower Corner Cap measures 27-5/8" x 8".
It is constructed of high-impact durable ABS plastic.
Various Jayco Jayfeather models fit this part, including: JY29Y, JS26S, JP27P, JN29N, JY29Y, JX29X, JU30U, JT31T, JR30R, JN29N, JD29D.
The part wraps under 3" and is approximately 5-1/2" deep on the corner edge.
This part fits: 2006 Jayco Jayfeather LGT Models JY29Y, JS26S, JP27P, JN29N and 2007 Jayfeather LGT Models JY29Y, JX29X, JU30U, JT31T, JR30R, JN29N, JD29D.
Your original may have a part number on the back of J178345 (Left hand side) or J178344 (Right hand side).
Verify fit for your RV by checking your measurements and comparing.