Sierra 18-1908 MerCruiser Marine Boat Exhaust Riser Spacer Block 3″ 93320

$107.10

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Description

Sierra 18-1908 marine exhaust riser spacer block for MerCruiser center-rise exhaust systems from about 1985 through 2002. Replaces the 3 inch tall spacer that sits between the riser and manifold on many V6 and V8 applications. Does not come with gaskets or mounting hardware. Each purchase is for one spacer.

Riser mating bolt dimensions are 3-7/16″ (87.3mm) by 3-1/16″ (77.8mm) bolt center-to-center.

This spacer is new and high-quality cast iron construction. For tips on replacing exhaust manifolds and risers, see my eBay guide. To determine if this is the correct replacement for you, look on your current spacer for casting numbers and match them to the cross-reference below:

Cross ReferencePart Number
MerCruiser93320
Osco Motors3320
Barr MarineMC-20-93320A3
Sierra Marine18-1908
Aqua Powern/a
GLM Products50300

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.

Product Details

SKUSIE181908
WarrantyLimited Lifetime
Manufacturer Part Number18-1908
UPC808282127503
Item Weight6 lbs
Part Number18-1908
ManufacturerSierra
Country of ManufactureTaiwan
BrandSierra
Shipping Weight7 lbs
Shipping Dimensions6" x 6" x 6"
Replaces93320
FitsMerCruiser V6 and V8 Center-rise
MaterialCast Iron