1. Personal Watercraft Parts Products
  2. sku: 11146792574502782
  3. COMPONENTSPLUS 200-15-04-PIO

COMPONENTSPLUS 200-15-04-PIO Piston Ring Set Crossflow .010 35-70HP Outboard 39-78816A12

fits model: Mariner. make: Mercury.

200-15-04-pio Componentsplus Piston Ring Set .010 Over Mercury Mariner 35-70hp Crossflow Outboard 39-78816a12

( Brand: Componentsplus ), ( Manufacturer Part Number: 200-15-04-PIO ), ( Part Type: Ring Piston ), ( Warranty: 1 Year ), ( California Prop 65 Warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov ), ( Country Of Origin: Jp ), ( Product Notice: As A Parts Distributor We Mostly Sell Aftermarket Parts ), ( Source: Aftermarket )

Review COMPONENTSPLUS Piston Ring Set .010 Over Mercury 35-70hp Crossflow Outboard fits MARINER

Introducing the Components Plus 200-15-04-PIO piston ring set, specifically designed for the Mercury Mariner 35-70hp Crossflow Outboard engine with model number 39-78816A12. This piston ring set is an essential upgrade for any boat owner seeking optimal engine performance and durability.

The Components Plus piston ring set includes four piston rings - two compression rings and two oil control rings. Each ring is meticulously crafted from high-quality materials, ensuring superior strength and long-lasting resistance to wear and tear. The compression rings are designed to provide a tight seal between the piston and cylinder wall, maximizing combustion efficiency and power output. The oil control rings, on the other hand, ensure efficient oil management by preventing oil from leaking past the piston and into the crankcase.

This piston ring set is a direct replacement for the original equipment, making installation straightforward and hassle-free. The rings are precision-engineered to fit perfectly in the engine cylinder, ensuring a seamless installation process. Additionally, the rings come with a thin, lightweight coating that aids in the initial bedding-in process, making it easier for the rings to seat properly and achieve optimal engine performance.

Moreover, the Components Plus piston ring set is compatible with various fuel types, including gasoline and diesel, making it a versatile solution for boat owners with different engine configurations. With this piston ring set, you can expect improved engine performance, increased fuel efficiency, and extended engine life.

In summary, the Components Plus 200-15-04-PIO piston ring set is an essential upgrade for any Mercury Mariner 35-70hp Crossflow Outboard engine with model number 39-78816A12. With its high-quality materials, precise engineering, and compatibility with various fuel types, this piston ring set is an investment in your boat's performance and longevity.

The (Components Plus 200-15-05-PIO piston ring set 010) for Mercury Mariner 35-70hp Crossflow Outboard engines with part number 39-78816A12, is a crucial replacement part for the engine's piston rings. Here are some pros and cons that could help you make an informed decision about purchasing this component.

Pros:

1. OEM (Original Equipment Manufacturer) Replacement: This piston ring set is a direct replacement for the original equipment used in Mercury Mariner Outboard engines, ensuring proper fit and function.

2. Enhanced Performance: New piston rings can reduce engine friction, improve combustion efficiency, and lead to better overall engine performance.

3. Longevity: By replacing worn or damaged piston rings, you can extend the life of the engine and avoid costly repairs or replacements in the future.

4. Availability: This piston ring set is widely available from various automotive and marine parts retailers, making it easily accessible for engine owners.

Cons:

1. Cost: Replacing piston rings can be a costly repair, especially when considering the labor and parts costs. However, the long-term benefits, such as improved engine performance and longevity, can outweigh the initial investment.

2. Installation Complexity: Installing piston rings can be a complicated process that requires specialized tools and knowledge. It is recommended to have the rings installed by a qualified technician to ensure proper installation and prevent potential damage to the engine.

In conclusion, while the purchase of a (Components Plus 200-15-05-PIO piston ring set 010) for a Mercury Mariner 35-70hp Crossflow Outboard engine may come with some upfront costs and installation complexities, the benefits, such as enhanced performance, longevity, and availability, make it a worthwhile investment for maintaining the health and efficiency of the engine. It is always recommended to consult with a qualified technician before making any major engine repairs.

Recommendation: If you own a Mercury Mariner 35-70hp Crossflow Outboard engine and are experiencing engine performance issues or have worn or damaged piston rings, consider investing in a reputable OEM replacement piston ring set, such as the Components Plus 200-15-05-PIO set, to improve engine performance and extend the life of your engine. However, always ensure proper installation by a qualified technician to avoid potential damage to the engine.

Details:

Warranty does not cover failure due to accident, abuse, neglect or as the result of normal wear and tear.: Piston Ring Replaces: Source: Aftermarket. FITS / Replacement Part Numbers: OEM CROSS-REFERENCE PART NUMBERS: 39-78816A12 Standard, 39-78811A12 .015 Oversize, 39-88392A12 .030 39-45155A12 Superseded, 39-45204A12 39-788164A12, SPECIFICATIONS: Type: Piston Ring Set 3-Ring Configuration, Oversize: .010 Over Standard Bore: 2.875 Finished 2.885, Engine 2-Stroke Crossflow Outboard, Horsepower Range: 35HP-150HP, Cylinder Configurations: 2-Cl, 3-Cl, V6 6-Cl, Quantity: Per Cylinder, COMPATIBILITY: 1984 1989 Mercury/Mariner 35HP 2-Cl Crossflow, 1972-1983 40HP 1984 1990 50-60HP 3-Cl 1973-1983 65-70HP 1984 1988 115HP 1978-1981 140HP 1973-1978 150HP. All parts sold are new.

Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but designed to function same as - if better than. Product Notice: As a parts distributor we mostly sell aftermarket any OEM would be noted as such. ComponentsPlus products, when properly installed, are warranted against defects in materials and workmanship to the original purchaser for a period of one 1 year from date purchase.

part #: 2001504 price

  • $82.42

specifications perwatercraft:

  • for models: Mariner
  • for makes: Mercury
  • brand: Componentsplus
  • mpn: 200-15-04-pio
  • part type: Ring Piston
  • warranty: 1 Year
  • california prop 65 warning: This Product May Expose You To Chemicals Which Are Known To The State Of California To Cause Cancer And Birth Defects Or Other Reproductive Harm. For More Information Go To Www.p65warnings.ca.gov
  • country of origin: Jp
  • product notice: As A Parts Distributor We Mostly Sell Aftermarket Parts
  • source: Aftermarket

returns perwatercraft:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

general perwatercraft:

  • condition: New
  • Parts Accessories > Personal Watercraft Parts > Other Parts

seller perwatercraft:

  • rating: 98.9%
  • city: Morrisville, North Carolina
  • # reviews: 52740

offer perwatercraft:

  • sold: 0
  • started: March 15, 2026
  • options: Ship-to-home
  • availability: In Stock

payments perwatercraft:

  • wallet: Google-pay
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  • credit card: Mastercard

shipping perwatercraft:

  • class: Economy, Standard, Expedited, One-day
  • service: Economy, Standard, Expedited, Overnight
  • cost: $0.00
  • type: Fixed
  • transit: 4-8 Days
for models: mariner, for makes: mercury, part type: ring piston, warranty: 1 year, california prop 65 warning: this product may expose you to chemicals which are known to the state of california to cause cancer and birth defects or other reproductive harm. for more information go to www.p65warnings.ca.gov, country of origin: jp, product notice: as a parts distributor we mostly sell aftermarket parts, source: aftermarket,
category: watercraft parts > parts, sku: 11146792574502782,

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  • Offer #1: $82.42 price + $0.00 shipping estimate = $82.42* total. Product Type: Piston Ring Replaces: Source: Aftermarket.FREE SHIPPING
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  • Offer #3: $82.42 price + $0.00 shipping estimate = $82.42* total.FREE SHIPPING
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