KING ENGINE BEARINGS CR4507SI0.5 Rod Mzr Duratec 611500512797 0.5MM 2.3L

( Brand: King Engine Bearings ), ( Part Type: Rod ), ( Engine Codes: Duratec 2.3l Non-vct / Mzr 2.3l ), ( Vehicle Make: Ford / Mazda ), ( Manufacturer Part Number: CR4507SI0.5 ), ( UPC: 611500512797 )

Review KING ENGINE BEARINGS Rod 0.5mm Mazda Mzr 2.3l Duratec 2.3 fits FOCUS SI 2004–2009

Introducing the King Engine Bearings CR4507SI0.5 SI Rod 0.5mm, specifically designed for Mazda vehicles equipped with the MZR 2.3L engine from the years 2004 to 2009, including the Mazda Focus and Duratec models. This set of engine bearings is an essential upgrade for those seeking superior performance and durability for their Mazda engines.

King Engine Bearings, a renowned name in the automotive industry, is known for its commitment to producing high-quality, race-proven components. This CR4507SI0.5 SI Rod 0.5mm set is no exception. These bearings are made from a proprietary, heat-treated steel alloy, ensuring exceptional strength and rigidity. The steel is then precision machined to precise dimensions, ensuring a perfect fit and optimal engine clearance.

One of the most notable features of these bearings is their unique, self-aligning design. The SI Rod bearings utilize a split-type, dual-lip seal that self-aligns during installation, reducing the potential for damage to the engine. This design also helps to prevent oil leakage, ensuring a consistent oil film for optimal bearing performance.

The CR4507SI0.5 SI Rod 0.5mm bearings also offer improved heat dissipation capabilities. The bearings' advanced design allows for superior heat transfer, helping to prevent localized hot spots within the engine. This reduces the risk of engine damage due to excessive heat and ensures longer bearing life.

These bearings are also designed to be compatible with the Mazda factory rod bolts, making for a straightforward installation process. The included installation instructions ensure a hassle-free upgrade for most DIY enthusiasts.

In summary, the King Engine Bearings CR4507SI0.5 SI Rod 0.5mm is an excellent upgrade for Mazda MZR 2.3L engine owners looking for improved performance, durability, and reliability. With their self-aligning design, superior heat dissipation capabilities, and compatibility with factory rod bolts, these bearings are an essential component for any Mazda enthusiast looking to maximize the potential of their engine.

Buying King Engine Bearings CR4507SI0.5 SI Rod 0.5mm for Mazda 04-09 MZR 2.3L Focus Duratec 2.3: A Detailed Analysis

The King Engine Bearings CR4507SI0.5 SI Rod 0.5mm are aftermarket engine bearings designed for use in the Mazda 04-09 MZR 2.3L Focus Duratec 2.3 engines. These bearings are known for their high-performance and durability. However, like any aftermarket part, they come with advantages and disadvantages that potential buyers should consider before making a purchase. In this analysis, we will discuss the pros and cons of buying these bearings.

1. Enhanced Durability: King Engine Bearings are made from high-quality materials, ensuring longer durability compared to OEM bearings. They are designed to handle the increased power and torque of modified engines, making them an excellent choice for performance enthusiasts.

2. Reduced Engine Noise: The CR4507SI0.5 SI Rod bearings are known for their ability to reduce engine noise, making your driving experience more enjoyable. They have a unique design that minimizes the contact between the crankshaft and the connecting rods, reducing friction and consequently, noise.

3. Improved Engine Performance: The enhanced durability and reduced friction of these bearings can lead to improved engine performance. They can help your engine run more efficiently and smoothly, resulting in better horsepower and torque.

1. Higher Cost: King Engine Bearings are more expensive than OEM bearings. This may be a significant consideration for budget-conscious buyers.

2. Installation Complexity: Installing aftermarket bearings like the CR4507SI0.5 SI Rod bearings can be more complex than installing OEM bearings. It may require specialized tools and knowledge, which could add to the overall cost and time investment.

3. Potential Clearance Issues: These bearings may have different dimensions or clearance requirements compared to OEM bearings. This could potentially lead to clearance issues during installation, which may require additional modifications or adjustments.

The King Engine Bearings CR4507SI0.5 SI Rod 0.5mm offer several advantages, including enhanced durability, reduced engine noise, and improved engine performance. However, they come with some disadvantages, such as a higher cost, installation complexity, and potential clearance issues. Ultimately, the decision to buy these bearings depends on your specific needs, budget, and technical capabilities. If you are a performance enthusiast looking for high-quality, long-lasting engine bearings, these may be an excellent investment. However, if you have a limited budget or are not comfortable with the installation process, you may want to consider other options.

If you decide to buy the King Engine Bearings CR4507SI0.5 SI Rod 0.5mm for your Mazda 04-09 MZR 2.3L Focus Duratec 2.3 engine, make sure to thoroughly research the installation process and gather the necessary tools and knowledge. You may also want to consider purchasing these bearings from a reputable dealer or supplier to ensure their authenticity and quality. Additionally, consider the potential benefits and costs carefully to determine if these bearings are the right choice for your specific application.

Details:

King Bearings SI Rod 0.5mm for Mazda 3 04-09 MZR 2.3L Focus Duratec 2.3. For 50mm journal / 53mm Housing. Vehicle fitment. Useful Links.

Note: For 50mm journal / 53mm Housing. Engine Make Year CC CYL model's. MAZDA MZR 01/2009 - 12/2009 2260 4 3, 5, 6, L3X 01/2006 12/2008 12/2013 4, 01/2010 12/2012 Duratec 01/2001 2261 B2300. Without Tang.

part #: cr4507si05 prices

• $34.99-$65.59

specifications engibearing:

• for models: Si, Focus
• for makes: Mazda
• for years: 2004-2009
• brand: King Engine Bearings
• part type: Rod
• engine codes: Duratec 2.3l Non-vct / Mzr 2.3l
• vehicle make: Ford / Mazda
• manufacturer part number: CR4507SI0.5
• upc: 611500512797

seller engibearing:

• city: Sanford, Florida
• rating: 99.9%
• # reviews: 42585

shipping engibearing:

• service: UPS Ground, UPS Next Day Air Saver
• transit: 4-9 Days
• type: Calculated
• carrier: UPS
• class: Standard, One-day
• cost: $16.72

offer engibearing:

• options: Ship-to-home
• sold: 0
• started: February 28, 2026
• best offers: True
• availability: In Stock
• quantity: 1

general engibearing:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings
• condition: New

payments engibearing:

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

returns engibearing:

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

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