Sierra MerCruiser Marine Exhaust Manifold Kit 4.3L V6 99746 44354 1985-2002

Description

Product Description
New Sierra exhaust manifold and riser kit for MerCruiser V6 marine gas engines (GM/Chevrolet 4.3L 262 cu in). Fits most MerCruiser engines from 1985 to 2002 that use 4-inch outlet cast iron risers (compare part numbers to be sure!). Accepts all factory original accessories and brackets. Kit includes 2 manifolds, 2 risers, 2 lower water fittings, and all mounting bolts, plugs, and gaskets. Each purchase is for one engine kit.
Notes
Does not replace “dry joint” exhaust, stainless steel risers, 3″ OD outlet risers (for 3″ ID hose), or one-piece manifolds.
If you have MerCruiser “one-piece” manifolds (807293, 807294), use
the conversion kit
instead.
If you also need 3″ tall riser spacer blocks, look for the
Sierra 18-1908 listing
.
Shipping Note:
Due to the weight of these parts, this kit ships in multiple boxes. When you receive your tracking number, be sure to track it on the carrier’s website and find the “Other Packages in this Shipment” section to track all of the individual boxes. For standard/ground shipments, they may arrive on different days.
This kit is new and high-quality cast iron construction. To determine if this is the correct replacement for you, look on your current parts for casting numbers and match them to the cross reference below:
Cross Reference
Part Number
MerCruiser
Manifold:
Riser:
99745, 99746, 99746A8, 99746A17
44354, 44354A3, 44354A9, 44354A10, 44354A13
807988, 807988A2, 807988A3, 807914A1
Osco Motors
Manifold:
Riser:
9745
4354
Barr Marine
Manifold:
Riser:
MC-1-99746
MC-20-44354
Sierra Marine
Manifold:
Riser:
18-1952-1
18-1976-1, 18-1976-2
Aqua Power
Manifold:
Riser:
5505
5706
GLM Products
Manifold:
Riser:
Kit:
51220
51140
58222
About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.
Shipping and Tracking
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Tax and VAT
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Warranty, Defects, Damage, and Other Problems
This item has a Limited Lifetime warranty covering any manufacturer defects.
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Contact
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