Caterpillar 3400 Exhaust Manifold Kit 1299452 1S4295 *Please verify your OEM number(s) before purchasing. Exhaust Manifold Kit Fits Caterpillar 3400 Engines Exhaust Manifold Kit Includes: (1) Exhaust Manifold Stud Kit (6) Manifold Gasket 1299452 (1) Turbocharger Gasket 1S4295 (4) Nut 2N2766 (4) Scre... See More