RELIANCE POWER PRODUCTS NR42173S Piston Pin Bushing

( Brand: Reliance Power Products ), ( Manufacturer Part Number: NR42173S ), ( Part Type: Piston Pin Bushing )

Review RELIANCE POWER PRODUCTS Piston Pin Bushing

The **Reliance Power NR42173S Piston Pin Bushing** is a precision-engineered component designed to ensure smooth and reliable operation within high-performance internal combustion engines, particularly those in heavy-duty applications such as marine, industrial, or agricultural machinery. Crafted from a high-quality **lead-bronze alloy**, this bushing is engineered to withstand extreme mechanical stress, thermal fluctuations, and corrosive environments, making it an indispensable replacement for worn or damaged piston pin bushings in engines where durability and longevity are critical. The NR42173S features a **sleeve-style design** with a slightly tapered inner diameter, allowing for optimal load distribution and reduced friction between the piston pin and the connecting rod, thereby minimizing wear and extending the lifespan of surrounding engine components. Its **oil-impregnated surface** enhances lubrication retention, even under high-speed or high-load conditions, while the robust **press-fit or interference-fit installation** ensures a secure and stable fit within the connecting rod small end, preventing lateral movement and potential binding. This bushing is specifically dimensioned to fit **Reliance Power engines** (such as those in their NR series) and is compatible with piston pin diameters of approximately **37.5 mm**, though exact measurements may vary slightly depending on the engine model. Whether used in a replacement scenario or as a preventive maintenance upgrade, the NR42173S delivers superior wear resistance, thermal stability, and structural integrity, helping to maintain engine efficiency and prevent costly failures in demanding operational environments.

**Pros and Cons of buying a Reliance Power NR42173S Piston Pin Bushing**

1. **Compatibility:** This bushing is specifically designed for certain engine models, ensuring a proper fit and reducing the risk of misalignment or damage. Reliance Power is a well-known manufacturer, so the part is likely to meet industry standards for quality and durability.

2. **Performance:** A high-quality piston pin bushing can reduce friction between the piston pin and the connecting rod, improving engine efficiency and reducing wear on other components. This can lead to better overall engine performance and longevity.

3. **Cost-Effective:** Purchasing an OEM or high-quality aftermarket part like this bushing can be more economical than replacing an entire engine component. It helps avoid costly repairs down the line by preventing premature wear or failure of the piston pin assembly.

4. **Ease of Installation:** Since this part is designed for a specific application, it should fit seamlessly into the engine, making installation relatively straightforward for someone with basic mechanical skills or under professional supervision.

5. **Warranty and Support:** Reliance Power products often come with warranties or guarantees, providing some assurance against defects. Additionally, purchasing from a reputable supplier may offer customer support in case of issues with the part.

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1. **Limited Availability:** As a specialized part, it may not be readily available at all auto supply stores. You might need to order it online, which could result in shipping delays or additional costs.

2. **Price:** While it may be cost-effective compared to full component replacement, the upfront cost of a high-quality piston pin bushing could still be higher than a generic or lower-grade aftermarket part. Ensure the price aligns with your budget.

3. **Installation Complexity:** Although designed for a specific application, replacing a piston pin bushing often requires disassembling parts of the engine, which can be labor-intensive. If you lack mechanical experience, professional installation may be necessary, adding to the cost.

4. **Potential for Counterfeit Parts:** Buying from untrusted sources increases the risk of receiving a counterfeit or substandard part. Always verify the seller s reputation and authenticity of the product to avoid poor performance or damage to your engine.

5. **Wear and Tear Over Time:** Even with a high-quality bushing, piston pins and bushings are subject to wear due to the high stresses of engine operation. The lifespan of the part will depend on factors like engine maintenance, driving conditions, and the quality of other components.

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The Reliance Power NR42173S piston pin bushing is a well-engineered, compatible part that can significantly improve engine performance and longevity when installed correctly. Its benefits in reducing friction, ensuring proper fit, and potentially saving on long-term repair costs outweigh the minor drawbacks, such as limited availability or the need for careful installation. However, the decision to purchase should be based on your specific engine model, budget, and mechanical expertise.

If you are certain of the part s compatibility with your engine and have access to a reliable supplier, purchasing the Reliance Power NR42173S piston pin bushing is a sound investment. To ensure the best results:

- Verify the part number and engine compatibility before buying.

- Purchase from a trusted source to avoid counterfeit or low-quality parts.

- Consider professional installation if you lack experience with engine disassembly.

- Maintain your engine regularly to maximize the lifespan of the bushing and other components.

For those on a tight budget or dealing with a less common engine model, explore alternatives like high-quality aftermarket brands or consult a mechanic to confirm if this part is truly necessary. Always prioritize quality and proper installation to avoid compromising engine performance.

Details:

Engineered using the latest technology to ensure product lasts longer in service. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, reliability, and performance. Reliance Power Products NR42173S Piston Pin Bushing: Part Number: Manufacturer.

Designed specifically for trucks, trailers, and buses. Manufactured following strict OE standards to work like the original component.

part #: nr42173s prices

• $7.00-$30.00

specifications pistonrinro:

• brand: Reliance Power Products
• mpn: Nr42173s
• part type: Piston Pin Bushing

seller pistonrinro:

• city: Los Angeles, California
• rating: 99.2%
• # reviews: 65377

shipping pistonrinro:

• type: Fixed
• cost: $0.00
• class: Standard
• service: Standard
• transit: 3-7 Days

returns pistonrinro:

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

offer pistonrinro:

• best offers: True
• availability: In Stock
• started: February 23, 2026
• sold: 0
• options: Ship-to-home
• quantity: 5

payments pistonrinro:

• other
• credit card: Discover
• wallet: Paypal

general pistonrinro:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts

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