Sierra 18-1899 marine exhaust riser for Pleasurecraft PCM V8 marine gas engines (Ford small block V8 5.0L 302 cu in and 5.8L 351 cu in). This riser will fit either side of the engine. Does not come with gasket or mounting kit (use with Sierra gasket 18-0677-1). Each purchase is for one riser.

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 Reference	Part Number
Pleasurecraft	RO29001
Osco Motors	29001
Barr Marine	n/a
Sierra Marine	18-1899
Aqua Power	n/a
GLM Products	n/a

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.

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