Mercruiser Dry Joint Exhaust Riser 7 Degree Down Angle | Barr Marine MC-20-864309
Mercruiser Dry Joint Exhaust Riser 7 Degree Down Angle | Barr Marine MC-20-864309
Barr Marine
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Mercruiser Dry Joint Exhaust Riser 7 Degree Down Angle | Barr Marine MC-20-864309
Mercruiser Dry Joint Exhaust Riser 7 Degree Down Angle | Barr Marine MC-20-864309
- Mercruiser Dry Joint Exhaust Riser 7 Degree Down Angle
- Replaces Mercruiser 864309T02
- 4 in. exhaust outlet
- 7 degree down angle
- For serial numbers 309999 & below (pre-2005 models)
- Used with 350 MAG, 357 MAG, Scorpion 377, 383 MAG STROKER, 4.3L, 5.0L, 5.7L, & 6.2L engines
!! Not Eligible For Free Shipping !!
Additional Information
Overview of the Mercruiser Dry Joint Exhaust
The Mercruiser Dry Joint Exhaust Riser with a 7-degree down angle, crafted by Barr Marine (model MC-20-864309), is engineered to ensure peak performance for your boat's engine. This exhaust riser is tailored to deliver superior resistance to leaks, significantly reducing maintenance needs and enhancing engine longevity. Its thoughtful design accommodates optimal heat dispersion and dependable sealing properties, crucial for maintaining the efficiency of marine engines.
Features of the 7-degree down angle
The distinctive 7-degree down angle in this exhaust riser plays an essential role in maximizing water flow while minimizing exhaust restrictions. Designed for precision, this feature enhances both the reliability and function of the riser. Such efficiency is indispensable for vessels requiring steady output under variable conditions. This specific incline also aids in managing water intrusion, thus ensuring the combustion chamber remains dry—crucial for peak engine operation.
Compatibility and additional specifications
Compatibility is vital when selecting components, and the Barr Marine MC-20-864309 fits seamlessly with many Mercruiser models. Constructed from high-quality materials, this product withstands harsh marine environments, promoting durability and long-lasting performance. At MacombMarineParts.com, you’ll find detailed information ensuring correct fitment for your vessel. We prioritize customer satisfaction through reliable products that align perfectly with your needs.
Frequently Asked Questions
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What engines are compatible with the Mercruiser Dry Joint Exhaust Riser?
This riser is suitable for numerous Mercruiser models. For specifics on compatibility, refer to our detailed guide on MacombMarineParts.com. -
Why is a dry joint system important?
The dry joint system helps prevent leaks, enhances engine longevity, and maintains efficiency by keeping critical areas free from unwanted moisture. -
What advantage does the 7-degree down angle offer?
The 7-degree angle aids in directing water flow efficiently while protecting against water intrusion into the exhaust manifold. -
How do I maintain my new exhaust riser?
Regular checks for corrosion or wear are recommended. Following installation guidelines from MacombMarineParts.com will aid proper maintenance. -
Where can I purchase replacement parts?
You can easily purchase high-quality replacement parts like this at competitive prices on MacombMarineParts.com.

! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.
Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.
MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.