Sierra 18-1975-1 MerCruiser Marine Exhaust Riser Elbow 120 140 3.0LX 12076A2


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Product Details

New exhaust riser/elbow for MerCruiser marine gas engines. Fits many 1982 to 1997 MerCruiser 120, 140, and 3.0LX 4-cylinder engines with round style riser. Please use part number cross reference below to assure fitment. This riser only utilizes 2 bolts to fasten it down (not 4). Comes with gasket and bolt set and new bellow with hose clamps. Each purchase is for one riser.

Riser mating bolt dimensions are 3-1/16″ (77.8mm) by 2-13/16″ (71.4mm) bolt center-to-center.

This part is new and high-quality cast iron construction. To determine if this is the correct replacement for you, look on your current part for casting numbers and match them to the cross reference below:

Cross ReferencePart Number
MerCruiser12076, 12076 A2
Osco Motors2076
Barr MarineMC-20-12076
Sierra Marine18-1975
Aqua Power5726
GLM Products51160

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.

Additional information

Product Specifications
Manufacturer Part Number18-1975-1
Item Weight17.9 lbs
Part Number18-1975-1
WarrantyLimited Lifetime
Country of ManufactureChina
MaterialCast Iron
Shipping Weight24 lbs
Shipping Dimensions11" x 9" x 6"
Replaces12076, 12076A2
FitsMerCruiser 120 & 140 4-cylinder
TypeExhaust Riser/Elbow