
864929-C Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $105.00 | Top Pick! Condition is Used, Space Extension DRY Manifold MerCruiser (Original) 864929-C Sold AS IS, shipping cost = $9.35 | ![]() |
![]() | $150.00 | Condition is Used, Pair Of OEM Mercruiser 864929-C Spacers , shipping cost = $25.00 | 99.5% |
![]() | $166.47 | Top Pick! Condition is Used, MerCruiser 5.0 L 305 GM Vortec Boat Marine Engine exhaust manifold riser spacer, shipping cost = $24.55 | 99.7% |
![]() | $199.00 | Condition is Used, Mercruiser 864929-C, shipping cost = $25.00 | 99.8% |
![]() | $919.00 | Condition is Used, OEM Mercruiser dry joint risers and spacers 864309-C/864929-C, shipping cost = $171.65 | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $203.50 | Condition is New other (see details), Mercury MerCruiser 864929 C Inboard Sterndrive 3 Exhaust Manifold Extension, shipping cost = $27.50 | 100.0% |
![]() | $236.25 | Top Pick! Condition is New other (see details), Space Extension DRY Manifold MerCruiser (Original) 864929-C Sold AS IS, shipping cost = $27.50 | 100.0% |



The Mercruiser 864929-C Space Extension Manifold is an essential component for enhancing the performance and efficiency of your outboard engine. This manifold is specifically designed for the Mercruiser 4.3L and 5.0L Alpha One engines, offering a space extension solution for installing additional accessories or equipment.
The Space Extension Manifold is constructed using high-quality materials, ensuring durability and resistance to corrosion, even in harsh marine environments. It features a unique design, with an extended shape that allows for the installation of additional components without compromising engine performance or space.
The manifold is compatible with various types of accessories, including water pumps, oil coolers, and lift pumps. It is easy to install, requiring minimal modification to the existing engine setup. The manifold's design also allows for improved cooling and better exhaust gas circulation, resulting in improved engine efficiency and longer engine life.
The Space Extension Manifold is a must-have for boat owners who want to customize their outboard engine or install additional accessories. Its sturdy construction, easy installation, and compatibility with various accessories make it a reliable and versatile solution for enhancing your engine's performance. Upgrade your Mercruiser engine with the 864929-C Space Extension Manifold and take your boating experience to the next level.
Pros of buying Mercruiser 864929-C Space Extension Manifold:1. Increased engine compartment space: The space extension manifold provides additional space in the engine compartment, making it easier to install and service other engine components.
2. Improved engine performance: The manifold's design allows for better exhaust flow, which can improve engine performance and fuel efficiency.
3. Compatibility: The manifold is compatible with a wide range of Mercruiser engines, making it a versatile option for boat owners.
4. Durability: Mercruiser is known for producing high-quality marine components, and the manifold is no exception. It is made of corrosion-resistant materials, ensuring long-lasting performance in marine environments.
Cons of buying Mercruiser 864929-C Space Extension Manifold:1. Cost: The manifold is a premium product, and it may be more expensive than other aftermarket alternatives.
2. Installation: Installing the manifold may require some technical knowledge and skills, which may be challenging for some boat owners.
3. Size: The manifold is relatively large, and it may not fit in smaller engine compartments.
4. Availability: The manifold may not be readily available in all locations, and it may require special ordering.
Conclusion:The Mercruiser 864929-C Space Extension Manifold is a high-quality product that offers increased engine compartment space and improved engine performance. While it may be more expensive than some alternatives and require some technical knowledge for installation, its durability and compatibility make it a worthwhile investment for boat owners with larger engine compartments.
Recommendation:If you are looking for a reliable and durable manifold that can provide additional space in your engine compartment and improve your engine's performance, the Mercruiser 864929-C Space Extension Manifold is a solid choice. However, make sure to evaluate your engine compartment size and installation abilities before making a purchase. If you are unsure, consult with a professional marine technician to ensure a successful installation.
Details:
Items get shipped either ground or priority mail depending on their weight and size. I use the USA postal service USPS for all shipping. Please look at the pictures they are part of. Does have some scratches on it.
Condition looks like it is new old stock. I only charge what it actual cost the price though post office. I never charge an excessive shipping amount. Does not come with a box.
Space extension dry manifold Mercruiser original 864929-C sold as is. Does have paint spots on it.
specifications inboardfuel:
- brand: Mercruiser
- mpn: 864929-c
- part type: Manifold
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
offer inboardfuel:
- sold #: 34
- started: march 19, 2024
- availability: in stock
- best offers: true
- in stock #: 5
- options: ship-to-home
- prices: $105.00–$919.00
- item condition:
- Used
- New other (see details)
shipping inboardfuel:
- class: standard, expedited
- carrier: usps
- type: calculated
- transit: 2-4 days
- service: usps ground advantage, usps priority mail
seller inboardfuel:
- city: sumerco, west virginia
- # reviews: 3266
- rating: 99.9%
returns inboardfuel:
- policy: no returns
payments inboardfuel:
- credit card: discover
- wallet: apple-pay
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