
129470-12100 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $119.95 | Condition is Used, Yanmar 129470-12100 ,Intake Manifold Assbly (129470-12120) 4JH2-DTE, shipping cost = $19.50 | 100.0% |
![]() | $150.00 | Condition is Used, Genuine OEM Yanmar 4JH 4JH2E Intake Manifold w/ Cover # 129470-12100, FREE SHIPPING | 100.0% |
![]() | $174.95 | Condition is Used, YANMAR 4JH-DTE MARINE INTAKE MANIFOLD ASSY #129470-12100 W/ COVER #129470-12120, shipping cost = $30.99 | 100.0% |

The Yanmar 129470-12100 4JH-DTES marine intake manifold cover is an essential component of the marine engine's air intake system. Designed specifically for the Yanmar 4JH-DTES marine engine, this intake manifold cover provides a seal between the engine block and the intake manifold, ensuring efficient airflow into the engine cylinders.
The intake manifold cover is made of high-quality materials, ensuring durability and resistance to the harsh marine environment. Its design features a smooth, ribbed surface that facilitates the even distribution of airflow into the engine cylinders, promoting optimal engine performance.
The intake manifold cover also includes mounting bosses that securely attach it to the engine block, providing a reliable seal and preventing any unwanted air leaks. The cover's surface is finished with a durable, powder-coated paint that resists corrosion, ensuring the cover lasts for an extended period in marine applications.
The dimensions of the intake manifold cover are as follows: Length - 410mm (16.1 inches), Width - 352mm (13.9 inches), and Height - 135mm (5.3 inches). The part number for this intake manifold cover is 129470-12100.
In summary, the Yanmar 129470-12100 marine intake manifold cover is a crucial component for maintaining optimal engine performance in marine applications. Its high-quality materials, ribbed surface for efficient airflow, and durable powder-coated finish ensure long-lasting reliability and resistance to the harsh marine environment.
Pros and Cons of Buying Yanmar 129470-12100 and 129470-12120 Marine Intake Manifold Covers
Introduction:The Yanmar 129470-12100 and 129470-12120 marine intake manifold covers are interchangeable parts for Yanmar marine engines. These covers protect the intake manifold from external damages and keep the engine compartment clean. In this article, we will discuss the pros and cons of buying these parts to help you make an informed decision.
Pros of Buying Yanmar 129470-12100 and 129470-12120 Marine Intake Manifold Covers:1. OEM Parts: These covers are original equipment manufacturer (OEM) parts, meaning they are manufactured by the same company that made the engine. Using OEM parts ensures a proper fit, function, and durability.
2. Protection: The intake manifold cover shields the intake manifold from water, debris, and other damages that can occur during marine usage. It also keeps the engine compartment clean and maintains the engine's appearance.
3. Availability: Yanmar 129470-12100 and 129470-12120 marine intake manifold covers are widely available from various marine parts suppliers, making it easy to find and purchase them.
Cons of Buying Yanmar 129470-12100 and 129470-12120 Marine Intake Manifold Covers:1. Cost: Original equipment manufacturer parts can be more expensive than aftermarket alternatives. The price of these Yanmar covers may be a deciding factor for some boat owners.
2. Installation: Installing the new intake manifold cover may require some mechanical skills. It is recommended to consult the engine manual or seek professional help for installation to ensure proper fitment and function.
Conclusion:In conclusion, the Yanmar 129470-12100 and 129470-12120 marine intake manifold covers offer several advantages, such as OEM quality, protection, and availability. However, they also come with some disadvantages, including cost and installation requirements. Ultimately, the decision to buy these covers depends on individual preferences, budget, and the importance of having OEM parts for their specific Yanmar marine engine.
Recommendation:If you prioritize using OEM parts for your Yanmar marine engine and value the protection and peace of mind they provide, then purchasing the Yanmar 129470-12100 or 129470-12120 marine intake manifold covers would be a good investment. However, if you're on a tight budget, consider researching aftermarket alternatives to find cost-effective alternatives that still offer reliable performance.
Details:
specifications inboardfuel:
- for models: Marine
- brand: Yanmar
- mpn: 129470-12100
- part type: Intake Cover Manifold
payments inboardfuel:
- other
- credit card: mastercard
- wallet: apple-pay
seller inboardfuel:
- # reviews: 4264
- city: bristol, rhode island
- rating: 100.0%
offer inboardfuel:
- prices: $119.95–$174.95
- item condition: Used
- in stock #: 3
- options: ship-to-home
- availability: in stock
- sold #: 14
- started: march 6, 2026
shipping inboardfuel:
- type: fixed
- service: standard
- transit: 4-7 days
- class: standard
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
returns inboardfuel:
- policy: returns accepted
- time: 30 days
- paid by: buyer
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