OMC Volvo 3.0L 4 Cylinder Exhaust Manifold Replaces 3858870 

Direct replacement exhaust manifold.

Replaces OMC 3858870/986985/9854045/3857450/3858871.

Fits OMC (Volvo) 4 cylinder 181 C.I.D. 140 H.P. 3.0 liter, all carbureted models with Vortec style head (log style direct replacement).

Barr Marine castings have a thicker interior wall, are painted to match original manufacturer colors and are packed in foam for added protection during shipping and storage. Barr manifolds and exhaust connectors are designed to minimize back pressure, and in many cases more r.p.m.'s are achieved after replacing an OEM manifold with Barr replacement parts.

• Replaces OMC/Volvo part#'s 3858870 986985, 3854045, 3857450, 3858871.
• Includes all applicable plugs, mounting hardware and gaskets.
• The stainless steel restrictor plate is only used in some applications. If you are not sure if the plate is used, please consult your OEM. Two gaskets are required when using the plate (one on each side of the plate).
• 3 year limited warranty on Barr exhaust manifolds, risers and exhaust connectors (1 year when used for commercial purposes).

Compatible parts:

• OMC-20-3862603 direct repalcement exhaust manifold.
• OMC-1-3858850P exhaust manifold mounting package.
• OMC-20-3862603P exhaust riser mounting package.
• OMC47-3853256 exhaust manifold to head gasket.
• OMC47-908013 adaptor plate (OMC-20-908014) to riser (OMC-20-910380) gasket.

Manufactured by Barr Marine. Part number OMC-1-3858850.