MerCruiser Exhaust Manifolds
Click
Here For Elbows
To
order a new manifold or exhaust elbow, please check the numbers which are cast
into the side of your old manifold or exhaust elbow. Compare and match up your
numbers with the numbers we have listed below.
Exhaust
manifolds come with the gaskets. Exhaust elbows do not come with any
gaskets.
4 Cylinder
This
is MerCruiser manifold #63122A13 ( old #39950 ). It is used on
many older 4 cylinder, 120 hp engines.
The (4) 5/16-18
elbow mounting hose are 2 7/16 x 3" apart.
This item comes
from Barr's Marine.
Shipping weight
on this item is 42 pounds.
: Order #
3122
4 Cylinder
This
is MerCruiser manifold #96705A1 ( Old # 52390A1 )
It is used on
many older 4 cylinder, 140 hp engines.
The carburetor
mounting holes are 1 7/8 by 3 1/4 apart.
This item comes
from Sierra Marine.
Shipping weight
on this item is 51 pounds.
: Order #
6705
4 Cylinder
This
is MerCruiser manifold #806867A8 ( Old # 99798A9 )
It is used on
many 1982 - 1995 4 cylinder, 120 & 140 hp engines.
The carburetor
mounting holes are 2 inch by 3 11/16 apart.
This manifold
comes with the gaskets, (2) end caps and bolts. It is used to replace manifolds
which do not have removable end caps. ( Carb. gasket is not included. )
This item comes
from Sierra Marine.
Shipping weight
on this item is 52 pounds.
: Order #
6867
V-6 (4.3l)
This
is MerCruiser exhaust manifold # 99746A17
It is used on 229
& 262 V-6 engines.
There is no left
or right side with this manifold. The same manifold pictured here is used on
either side.
This item
currently comes
from Sierra Marine.
Shipping weight
on this item is 32 pounds.
: Order #
9746
302 & 351 Ford
These are MerCruiser manifolds #65603A12 Stb. ( shown ) and
#65604A12 Port
The rear elbow
mounting surface on these 2 manifolds is 3 3/4 by 4 inches long.
This item comes
from Barr Marine.
Shipping weight
on this item is 46 pounds.
: Order # 5603 for Starboard ( shown )
: Order # 5604 for Port
305 & 350 Chevy
These are MerCruiser manifolds
#77234A7 Port ( shown ) and #77235A8 Stb.
The rear elbow
mounting surface on these 2 manifolds is 3 3/4 by 4 inches long.
This item comes
from Sierra Marine.
Shipping weight
on this item is 49 pounds.
: Order #
7234 for Port ( shown )
: Order # 7235 for Starboard
350 Chevy TR &
TRS
These are MerCruiser manifolds.
These are used on
older small block Chevy engines with a TR or TRS outdrive. The rear discharge
surface is 1 1/2 inches longer.
The rear elbow
mounting surface on these 2 manifolds is 3 3/4 by 5 1/2 inches long. These are
the only manifolds we have which do not come painted.
This item comes
from Barr's Marine.
Shipping weight
on this item is 47 pounds.
: Order #
7737 for Port ( shown )
: Order # 7738 for Starboard
V-8 305 & 350
This
is MerCruiser exhaust manifold # 860246A15 ( Old 87114A19 )
It is used on 305
& 350 V-8 engines.
There is no left
or right side with this manifold. The same manifold pictured here is used on
either side.
This item
currently comes
from Sierra Marine.
Shipping weight
on this item is 50 pounds.
: Order #
7114
454 &
502
This
is MerCruiser manifold #89011A8
It is used on
both 454 and 502 big block engines. This one manifold can be used on either side
of the engine.
This item comes
from Sierra Marine.
Shipping weight
on this item is 54 pounds.
: Order #
9011
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