Thank you. I have checked the parts number. And the specs sheet for the 524, 525, and 526. And you are correct. The part numbers for the sub frame members for the LA 524 FEL, LA 525 FEL, and the LA 526 FEL are all the same. The LA 524 was for the L3200 and L3800. The LA 525 was for the L3301 and...