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.