2037775 Manifold Exh-Rh Fits Caterpillar Models

One New Aftermarket Replacement Right-Hand (Front) Exhaust Manifold for Caterpillar (Cat) C9 Engine - Excavators, Loaders, Dozers and More

This aftermarket exhaust manifold (right-hand / front section) replaces OEM part number 2037775 and fits Caterpillar equipment powered by the C7, C9, C9.3, and C9.3B diesel engines. The Caterpillar C9 exhaust system uses a three-piece manifold assembly; this part is the front (right-hand) section. It channels exhaust gases from the cylinder head to the turbocharger and exhaust outlet, making it a critical component for engine performance and emissions management.

Compatible Models

Caterpillar Excavators: 330C, 330C FM, 330C L, 330C LN, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D LN, 336D2, 336D2 GC, 336D2 L, 336D2 LXE, 336D2 XE, 340D L, 340D2 L, M330D (Wheeled)

Caterpillar Track Loaders / Wheel Loaders: 966M, 966M XE, 972M, 972M XE, 973C, 973D

Caterpillar Dozers: D6R, D6R II, D6R III, D6R STD, D6T, D6T LGP, D6T LGPPAT, D6T XL, D7E, D7E LGP, D7R XR

Caterpillar Motor Graders: 12H, 12M, 14L, 140, 140 AWD, 140M, 160M

Caterpillar Challengers: MT735, MT745, MT755, MT765, MTC735, MTC745, MTC755, MTC765

Caterpillar Track Feller Bunchers: 511, 521, 521B, 522, 522B, 532, 541, 551, 552, 2290, 2390, 2391, 2491, 2590, TK711, TK721, TK722, TK732, TK741, TK751, TK752

Caterpillar Articulated Trucks: 725C, 725C2

Caterpillar Compactors: 815F, 815F II, 816F, 816F II

Caterpillar Site Prep Tractor: 586C, 627G, 637D, 637E, 637G, 2864C

Caterpillar Forest Machine: 568

Caterpillar Petroleum / Industrial Engines: C-9, C9, C9 GEN SET, CX31-C9I, CX31-P600, TH31-C9I, TH31-C9P, TH31-E61

Replaces Part Number(s):

2037775, 203-7775, CA2037775

Aftermarket Interchange Numbers

192-4697, 1924697, CA1924697 (center section); 161-3398, 1613398, CA1613398 (rear section) - Note: these are companion sections of the same three-piece C9 exhaust manifold assembly, not direct replacements for 2037775.

New aftermarket replacement part - not remanufactured, not used.