NAMURA NA-50003R Piston Ring 74.5MM

( Brand: Namura ), ( Country Of Origin: Taiwan ), ( Item Height: 0.50 ), ( Item Length: 3.75 ), ( Item Weight: 0.05 ), ( Manufacturer Part Number: NA-50003R ), ( Size: 74.5 Mm ), ( Type: Piston Ring Set )

Review NAMURA Piston Ring 74.5mm Bore

The Namura Na-50003R piston ring is a high-performance component designed for use in internal combustion engines. This piston ring measures 74.5mm in diameter, making it suitable for larger engines.

The Na-50003R piston ring is manufactured using advanced materials and precision engineering techniques to ensure optimal sealing performance and durability. The ring is made of a specially formulated alloy that provides excellent compressibility and resistance to wear and tear.

The ring features a unique design with a groove on the outer edge that allows for the use of piston ring end gaps. This design helps to reduce piston slap and improve engine performance by allowing the piston to move more freely within the cylinder.

The inner surface of the ring is finished with a micro-finish that provides a smooth, even surface for optimal contact with the cylinder wall. This helps to reduce friction and improve engine efficiency.

The outer surface of the ring is designed with a ribbed pattern that enhances its rigidity and strength. This helps to prevent the ring from deforming under high compression and ensures that it maintains its sealing performance even under the most demanding conditions.

The Namura Na-50003R piston ring is precisely measured and manufactured to ensure a perfect fit in your engine. It is also designed to be compatible with a wide range of engine types and applications, making it a versatile and reliable choice for engine rebuilders and enthusiasts.

In summary, the Namura Na-50003R piston ring is a high-quality, high-performance component that is designed to provide optimal sealing performance and durability in larger internal combustion engines. Its unique design features, including a groove for piston ring end gaps and a ribbed outer surface, help to improve engine performance and efficiency while ensuring long-lasting reliability.

The Namura Na-50003R piston ring with a diameter of 74.5mm is a popular choice for engine rebuilders and automotive enthusiasts. Here are some potential advantages and disadvantages of purchasing this piston ring:

1. High-Quality Material: The Na-50003R piston ring is made of top-grade materials, including a ring groove coating of chrome molybdenum alloy, which ensures excellent wear resistance and durability.

2. Precision Manufacturing: This piston ring is manufactured with high precision to ensure a perfect fit in the engine cylinder. The tight tolerance ensures optimal sealing and minimizes the risk of oil leaks.

3. Suitable for Various Applications: This piston ring is suitable for a wide range of engine applications, including both gasoline and diesel engines. The 74.5mm diameter makes it suitable for larger engines, such as those found in heavy-duty trucks and industrial equipment.

4. Affordable: Compared to other high-quality piston rings, the Na-50003R is relatively affordable, making it an excellent choice for those on a budget.

1. Limited Compatibility: This piston ring is only suitable for engines with a piston diameter of 74.5mm. It may not be compatible with engines that have a different piston diameter.

2. May Require Additional Tools: Installing this piston ring may require specialized tools, such as a piston ring compressor, which can add to the overall cost of the project.

3. Limited Warranty: Namura does not offer a long-term warranty on this piston ring, which may be a concern for some customers.

The Namura Na-50003R piston ring is a high-quality, affordable option for those in need of a piston ring for a 74.5mm cylinder. Its precision manufacturing and durable materials make it an excellent choice for engine rebuilders and automotive enthusiasts. However, its limited compatibility and the need for specialized tools for installation may be a drawback for some customers. Ultimately, the decision to purchase this piston ring depends on the specific needs and budget of the customer.

If you are in need of a piston ring for a 74.5mm cylinder, the Namura Na-50003R is an excellent option to consider. Its high-quality materials, precision manufacturing, and affordability make it a popular choice among engine rebuilders and automotive enthusiasts. However, be sure to double-check the compatibility with your engine and consider the cost of any additional tools that may be required for installation.

part # na50003r prices

• $14.95-$21.34

specifications atvsienna:

• brand: Namura
• country of origin: Taiwan
• item height: 0.50
• item length: 3.75
• item weight: 0.05
• manufacturer part number: NA-50003R
• size: 74.5 Mm
• type: Piston Ring Set

general atvsienna:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

offer atvsienna:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1
• started: March 11, 2026

shipping atvsienna:

• transit: 2-3 Days
• cost: $7.99
• service: Standard
• class: Standard
• type: Fixed

seller atvsienna:

• # reviews: 109259
• rating: 99.9%

payments atvsienna:

• other
• wallet: Paypal
• credit card: Diners-club

returns atvsienna:

• time: 60 Days
• policy: Returns Accepted
• paid by: Seller

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