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Sierra
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Good all around
by Travis from Ithaca, New York on June 05, 2016
Just what I ordered....
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Exhaust Manifold Elbow Riser - Sierra
by William from Poquoson, Virginia on May 11, 2012
Perfect fit and with everything I needed included, it installed in minutes.
(2 of 2 people found this review helpful)
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Average Customer Review for 4 Cylinder Exhaust Elbow, MerCruiser - GLM
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4 cylinder GM Exhaust riser elbow
by Dennis from Lostine, Oregon on June 27, 2017
After 800 hours run time, mostly in salt water, on my Alpha 1 Gen 2 Mercruiser, the origional riser elbow started to leak water. After tear down I discovered a lot of rust in the cooling channels and corrosion on the flange surface. Ordered new elbow from I boats, it came with gasket and new bolts. Its a perfect fit, have had no leaks and the engine runs cooler too. At $150.00 total price delivered to my door its a real bargain!!
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Q:
Does this exhaust elbow come with a gasket?
A:
No this does not come with the gasket.


Q:
PART T-20939 iS THE BOTTOM BLOCKED OR OPEN CAN IT BE USED ON A BLOCKED BOTTOM CAN i GET A PIC OF BOTTOM?
A:
It is open. We don't have a picture, but we can send you one by contacting us at the number at the top of the page.


Q:
Have the 1976 190 omc would like a conversion kit for exhaust manifolds and a idea on what it will cost me and if possible what is included in a kit like this thank you so much?
A:
For conversion kits you will need to contact BRP who owns OMC to see what parts are recommended to convert.


Q:
What is the diameter 3 or 3 1/2?
A:
The diameter is 3-1/2 inches.


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