Exhaust Manifold Kit for Mercruiser GM V6 4.3L 262 3 Inch GLM58221
This GLM 58221 Exhaust Manifold Kit is for Mercruiser V6 Before 1986 with 3" exhaust You can replace your existing exhaust with this kit utilizing your existing 3" I.D. Exhaust hose, to be connected to the riser.
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2 - Riser Gaskets & 2 - Manifold Gaskets
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Mercruiser used 3.0" Risers from 1983-1986. If you do have a 1986, measure the outlet on the riser. This was a transition year & some are 4.0".
NOTE: This exhaust kit WILL NOT FIT Dry Joint Exhaust Systems.
Cross Reference |
Component |
Part Numbers |
Mercury Quicksilver |
Manifold: |
99746A17 |
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Riser: |
98504A3 |
Osco |
Manifold: |
9745 |
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Riser: |
8503A |
Barr |
Manifold: |
MC-1-99746 |
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Riser: |
MC-20-98504 |
GLM |
Manifold: |
51220 |
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Riser: |
51110 |
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Kit (4 Manifold/Riser): |
58221 |
Sierra |
Manifold: |
18-1952-1 |
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Riser: |
18-1970-1 |
Mallory |
Manifold: |
9-40505 |
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Riser: |
9-40557 |
GLM Cast Iron Manifolds and Risers come with a 3-year limited warranty!
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