GLM Products Inc - 4-Cylinder Marine Manifolds
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Featured Products
4-Cylinder Marine Manifolds

GLM is proud to introduce our 4-Cylinder Manifolds & Elbows!

GLM Manifolds are Superior in the Aftermarket Marine Parts Industry.

More Durable & Reliable. More Rigid,
Less Chance of Premature Corrosion!


Cast Iron Manifolds are Black Painted
for Corrosion Resistance!


The Only Manifold in the Aftermarket Manufactured
using the "Lost Foam" Casting Process!



-More Rigid, Less Chance of Failure.
-Excellent Dimensional Tolerances.
-No Structural Limitations for Casting.
-More Durable and Reliable than
other types of Cast-Iron Technology.
-Greater Control over the Accuracy of the Wall Thickness
Preventing Thin Spots that can Corrode Through Prematurely.


Mercruiser Model 140 GM 181 CID 4-CYL. (1986-1982)

No. 51212 Exhaust Manifold
(OEM: 96705A1)
with Mechanical Choke
Comes with all gaskets and hardware!

No. 51120 Exhaust Elbow
(OEM: 76351A04)



Mercruiser Model 120/140 GM 153/181 CID 4-CYL. (1982-1995)
Mercruiser Model 3.0LX/3.0L GM 181 CID 4-CYL. (1990 & Up)

No. 58214 - Complete Manifold Set
(OEM: N/A)
NEW for 2015! No. 51214 + 51160
Comes with all gaskets and hardware!

No. 51160 Exhaust Elbow
(OEM: 12076A2)

No. 51214 Exhaust Manifold
(OEM: 860235A03)
with Molded End Caps - NEW STYLE!
Comes with all gaskets and hardware!



OMC Model 3.0/3.0 H.O. GM 181 CID 4-CYL. (1991 & Up)
Volvo Penta Model 3.0 G.S. GM 181 CID 4-CYL. (1992 & Up)

No. 58450 - Complete Manifold Set
(OEM: N/A)
NEW for 2015! No. 51450 + 51340
Comes with all gaskets and hardware!

No. 51340 Exhaust Elbow
(OEM: 3863071)
NEW for 2014!

No. 51450 Exhaust Manifold
(OEM: 3858870)
NEW for 2014!
Comes with all gaskets and hardware!


Click the Images Below to Link to the Manifold Exploded Views in our Catalog!


  Featured Products
Superior Marine Manifolds

 

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