One New Aftermarket Replacement Vertical Exhaust Manifold Fits Case-IH Tractor Models: 2500A, 454 (WITH C157, C175 OR C200 GAS ENGINE), 464 (WITH C157, C175 OR C200 GAS ENGINE), 574 (WITH C157, C175 OR C200 GAS ENGINE), 674 (WITH C157, C175 OR C200 GAS ENGINE) Fits Case-IH Industrial/Construction Models: 2400A (WITH C157, C175 OR C200 GAS ENGINE), 2400B (WITH C157, C175 OR C200 GAS ENGINE) C200), 2405B (WITH C157, C175 OR C200 GAS ENGINE), 2410B (WITH C157, C175 OR C200 GAS ENGINE), 2412B (WITH C157, C175 OR C200 GAS ENGINE), 2500A (WITH C157, C175 OR C200 GAS ENGINE), 2500B (WITH C157, C175 OR C200 GAS ENGINE), 2505B (WITH C157, C175 OR C200 GAS ENGINE), 2510B (WITH C157, C175 OR C200), 2514B (WITH C157, C175 OR C200 GAS ENGINE), 3400A (WITH C157, C175 OR C200 GAS ENGINE), 3500A (WITH C157, C175 OR C200 GAS ENGINE)Technical Information: Gas Updraft – Vertical ExhaustReplaces Part Numbers: 406046R1, B406446R1Models This part fits: 2400A, 2400B, 2500A, 2500B, 2505B, 3500A, 4500, 454, 464, 574, 674Reference Numbers: 406046R1, 406046R1-A