INFINITI 12111JK21A Bearing

( Part Type: Bearing ), ( Oem Part Number: 12111jk21a ), ( Year: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 ), ( Parts Included: Only Part Reference 26 On The Diagram Is Included ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes )

Review INFINITI Genuine Bearing fits 2007–2019

Infiniti G20/Q30/QX30 1.6L CSB20ET Engine Front Left Lower Timing Chain Bearing Assembly (12111JK21A)

The Infiniti 12111JK21A bearing is an essential component of the front left lower timing chain assembly for select Infiniti models, including the G20, Q30, and QX30. This bearing is specifically designed for use with the CSB20ET 1.6-liter engine.

This high-precision bearing assembly is crucial for ensuring the smooth and efficient operation of the engine's timing chain. It is manufactured using advanced materials and techniques, including steel and chrome alloys, to provide superior strength, durability, and resistance to wear and tear.

The bearing's design features a roller bearing construction, which allows for minimal friction and improved load capacity. The rollers are precision-machined to ensure a perfect fit and alignment with the timing chain and other engine components.

The Infiniti 12111JK21A bearing is engineered to meet or exceed OEM specifications for performance and reliability. It is also designed to be a direct replacement for the original bearing, ensuring a straightforward installation process.

* Precision-machined roller bearings for minimized friction and improved load capacity

* Advanced materials and construction for superior strength and durability

* Direct replacement for the original bearing, ensuring a seamless installation process

* Designed to meet or exceed OEM specifications for performance and reliability

The Infiniti 12111JK21A bearing is an essential upgrade for any Infiniti G20, Q30, or QX30 owner looking to maintain the optimal performance and longevity of their engine. By replacing the worn or failing original bearing with this high-quality aftermarket alternative, you can enjoy the peace of mind that comes with knowing your engine is running at its best.

Buying an INFINITI 12111jk21A bearing involves weighing the potential benefits against the potential drawbacks. Here are some pros and cons to consider:

1. Reliability: A new INFINITI 12111jk21A bearing can ensure the continued smooth operation of your vehicle's engine. Worn bearings can cause significant damage if left unattended, so replacing them with a new one can help prevent costly repairs down the line.

2. Longevity: A new bearing can last for many thousands of miles, providing peace of mind and reducing the need for frequent replacements.

3. Improved Performance: A new bearing can help improve your engine's performance, allowing it to run more efficiently and smoothly.

1. Cost: Replacing an engine bearing can be an expensive repair, especially if it requires the engine to be taken apart. Labor costs can add significantly to the overall expense.

2. Time: Engine bearing replacements can take a significant amount of time, especially if the engine needs to be removed from the vehicle. This can be inconvenient and may require you to be without your vehicle for an extended period.

3. Complexity: Engine bearing replacements can be a complex and involved repair, requiring specialized tools and knowledge. It may be best to leave this repair to a professional mechanic.

The decision to buy an INFINITI 12111jk21A bearing depends on your individual circumstances and priorities. If you value reliability, longevity, and improved performance, then the benefits may outweigh the costs. However, if you are concerned about the cost and time involved, or if you are not comfortable with the complexity of the repair, then you may want to consider other options. Ultimately, it is important to weigh the pros and cons carefully and make an informed decision based on your specific needs and circumstances.

If you have a trusted mechanic that you can rely on, it may be worth considering having them inspect your engine and determine if a new bearing is necessary. They can provide you with an accurate assessment of the situation and help you make an informed decision. If you do decide to go ahead with the repair, be sure to use a reputable parts supplier to ensure that you are getting a high-quality bearing that will provide long-lasting performance.

Details:

Parts must be resalable and in the original packaging. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Electrical parts are not returnable.

part #: 12111jk21a prices

• $30.11-$45.11

specifications engibearing:

• for makes: Infiniti
• for years: 2007-2019
• part type: Bearing
• oem part number: 12111jk21a
• year: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
• parts included: Only Part Reference 26 On The Diagram Is Included
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• genuine oem: Yes

shipping engibearing:

• cost: $9.99
• service: Standard
• transit: 4-9 Days
• type: Fixed
• class: Standard

general engibearing:

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

seller engibearing:

• rating: 100.0%
• city: Macon, Georgia
• # reviews: 111

payments engibearing:

• other
• credit card: Diners-club
• wallet: Apple-pay

returns engibearing:

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

offer engibearing:

• quantity: 4
• sold: 0
• started: June 4, 2026
• availability: In Stock
• options: Ship-to-home

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