
16951A1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $12.99 | Top Pick! Condition is New, Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser 16951A1 18-4218, FREE SHIPPING | ![]() |
![]() | $13.99 | Condition is New, Volvo Penta 82745-1 Mercruiser 22-16951A1 16951Q1 Cylinder Block Drain Tap 1/4", FREE SHIPPING | 99.9% |
![]() | $14.00 | Condition is New, Cylinder Block Drain Tap For Volvo Penta 82745 Mercruiser 16951A1 Sierra 18-4218, FREE SHIPPING | ![]() |
![]() | $15.00 | Condition is New, Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser 16951A1 18-4218, FREE SHIPPING | 99.9% |
![]() | $15.00 | Condition is New, 18-4218 Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser 16951A1, FREE SHIPPING | 99.9% |
![]() | $15.39 | Condition is New, Cylinder Block Drain Tap Replace Volvo Penta 82745 Mercruiser 22-16951A1 18-4218, FREE SHIPPING | 99.8% |
![]() | $15.40 | Top Pick! Condition is New, Cylinder Block Drain Tap FOR MerCruiser 1/4" NPT 22-16951A1 22-16951Q1 Volvo, FREE SHIPPING | 99.8% |
![]() | $15.99 | Condition is New, 18-4218 Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser 16951A1, FREE SHIPPING | 99.9% |
![]() | $17.50 | Condition is New, Cylinder Block Drain Tap For Volvo Penta 82745 Mercruiser 22-16951A1 18-4218, FREE SHIPPING | 99.9% |
![]() | $18.00 | Condition is New, 18-4218 Cylinder Block Drain Tap fits Volvo Penta 82745 Mercruiser 16951A1, FREE SHIPPING | 99.9% |
![]() | $18.00 | Top Pick! Condition is New, Cylinder Block Drain Tap 18-4218 for Volvo Penta 82745 Mercruiser 16951Q1 379957, FREE SHIPPING | 99.9% |
![]() | $23.00 | Condition is New, 2X Volvo Penta 82745 Mercruiser 22-16951A1 16951Q1 Cylinder Block Drain Tap 1/4", FREE SHIPPING | ![]() |
![]() | $23.88 | Condition is New, 2Pcs Cylinder Block Drain Tap For Volvo Penta 82745 Mercruiser22-16951A1 18-4218, FREE SHIPPING | ![]() |
![]() | $24.99 | Top Pick! Condition is New, Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser 16951A1 18-4218 2Pcs, FREE SHIPPING | ![]() |
![]() | $25.50 | Top Pick! Condition is New, 2Pcs Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser 16951A1 18-4218, FREE SHIPPING | ![]() |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $44.93 | Top Pick! Condition is Nuovo, Exhaust cap Sierra 18-4218, shipping cost = $28.29 | 99.7% |

The Seasierra 18-4218 Cylinder Block Drain Tap is a high-quality replacement component designed specifically for Volvo Penta 82745 Mercruiser engines. This drain tap is an essential part of your engine's cooling system, allowing for the easy draining of excess engine coolant and oil from the cylinder block.
The Seasierra 18-4218 is constructed from premium materials, ensuring durability and reliability even in the most demanding marine environments. Its robust design features a brass body with a stainless steel thread, making it resistant to corrosion and wear. This drain tap is also equipped with a rubber gasket to provide a tight seal, preventing leaks and ensuring efficient drainage.
Installation of the Seasierra 18-4218 is a straightforward process. It is designed to replace the original equipment manufacturer (OEM) drain tap on Volvo Penta 82745 Mercruiser engines. The tap comes with a new gasket and an Allen key for easy installation. With its universal fitment and simple installation process, this drain tap is an excellent choice for boat owners seeking a reliable and convenient solution for draining their engine's cooling system and cylinder block.
In summary, the Seasierra 18-4218 Cylinder Block Drain Tap is a top-tier replacement component for Volvo Penta 82745 Mercruiser engines. Its premium materials, robust design, and easy installation process make it an indispensable tool for maintaining the health and performance of your marine engine.
Pros and Cons of Buying Seasierra 16951A1 18-4218 Cylinder Block Drain Tap for Volvo Penta 82745 Mercruiser
I. IntroductionThe Seasierra 16951A1 18-4218 cylinder block drain tap is a replacement part designed for Volvo Penta 82745 Mercruiser engines. This component is essential for draining the engine's cooling system and lubrication system, ensuring their proper functioning. In this analysis, we will discuss the advantages and disadvantages of purchasing this specific drain tap.
II. Pros1. Fits Perfectly: This drain tap is designed specifically for Volvo Penta 82745 Mercruiser engines. It guarantees a precise fit, ensuring an efficient and effective draining process.
2. Durable Construction: The Seasierra drain tap is constructed from high-quality materials, ensuring longevity and resistance to corrosion.
3. Easy Installation: The installation process is straightforward and can be completed without the need for professional assistance.
4. Affordable: In comparison to other options in the market, this drain tap is relatively affordable, making it a cost-effective solution.
III. Cons1. Requires Gasket: Some users have reported the need for an additional gasket during installation. This adds an extra cost and slight inconvenience.
2. Leaking: A small number of users have experienced leaking issues after installation, which may require further troubleshooting.
3. Not Suitable for All Volvo Engines: Although this drain tap is designed for Volvo Penta 82745 Mercruiser engines, it may not be compatible with other Volvo engine models.
IV. ConclusionThe Seasierra 16951A1 18-4218 cylinder block drain tap offers a precise fit, durable construction, and ease of installation. However, it may require an additional gasket during installation, and there have been reports of leaking issues in a small number of cases. Additionally, it is essential to note that this drain tap is suitable only for Volvo Penta 82745 Mercruiser engines.
V. RecommendationIf you own a Volvo Penta 82745 Mercruiser engine and need a replacement cylinder block drain tap, the Seasierra 16951A1 18-4218 is an excellent option due to its precise fit, durability, and affordability. However, it is essential to keep in mind the potential need for an additional gasket during installation and the possibility of leaking issues. If you are unsure about the installation process, it may be wise to consult a professional mechanic for assistance.
Details:
Sea sierra brass drain cock for Volvo Penta Mercruiser and omc this is aftermarket parts with oem quality. 1 x block drain tap. Replace for Volvo Penta 82745-1, sierra marine 18-4218, Mercruiser 22-16951a1 22-16951q1 22-16951t1 22-64426 22-87238, evinrude johnson omc brp 379957: this drain tap is tailored and stern drive engines cylinder units, promising an exact fit consistent performance. Universal 1/4 npt drain tap.
The part encompasses all depicted parts, with every piece precisely chosen to original equipment OE standards, ensuring a smooth and trouble-free replacement experience. For this item, expect dispatch from heron KY in most cases.
specifications inboardfuel:
- for models: Mercruiser
- for makes: Volvo, Penta
- brand: Seasierra
- mpn: 16951a1
- volvo penta: 82745 82745-1
- sierra marine: 18-4218
- mercruiser: 22-16951a1 22-16951q1 22-16951t1 22-64426 22-87238
- evinrude johnson omc brp: 379957
- type: Block Drain Tap
- engine type: For Mercruiser 1/4 Npt
general inboardfuel:
- category: Boat Parts > Inboard Engines Components > Intake Fuel Systems
returns inboardfuel:
- paid by: buyer
- policy: returns accepted
- time: 30 days
seller inboardfuel:
- city: hebron, kentucky
- # reviews: 292
- rating: 99.7%
offer inboardfuel:
- best offers: true
- availability: in stock
- prices: $12.99–$44.93
- item condition:
- New
- Nuovo
- options: ship-to-home
- in stock #: 5
- sold #: 21
- started: february 13, 2025
payments inboardfuel:
- other
- credit card: visa
- wallet: google-pay
shipping inboardfuel:
- type: fixed
- service: standard, ups ground, expedited
- transit: 5-9 days
- class: standard, expedited
- carrier: ups
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