Sierra 18-1952-1 MerCruiser Marine Exhaust Manifold 4.3L 262 V6 99746 1985-2002

$186.87

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Product Details

New exhaust manifold for 1985 through 2002 MerCruiser 4.3L marine gas engines (GM / Chevrolet V6). This manifold will fit either side of the engine and accepts all factory original accessories and fittings. Comes with gasket kit, new lower water fitting with built-in drain, mounting bolts, and all necessary plugs. Each purchase is for one manifold.

Riser mating bolt dimensions are 3-7/16″ (87.3mm) by 3-1/16″ (77.8mm) 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
MerCruiser99745, 99746, 99746A8, 99746A17
Osco Motors9745
Barr MarineMC-1-99746
Sierra Marine18-1952-1
Aqua Power5505
GLM Products51220

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
SKUSIE1819521
ManufacturerSierra
Shipping Weight37 lbs
TypeExhaust Manifold
FitsMerCruiser 4.3L V6 (262 cu. in.) 1985-2002
Replaces99745, 99746, 99746A8, 99746A17
Shipping Dimensions21" x 10" x 8"
MaterialCast Iron
BrandSierra
Country of ManufactureTaiwan
WarrantyLimited Lifetime
Part Number18-1952-1
Item Weight31.6 lbs
UPC808282237448
Manufacturer Part Number18-1952-1