21497-JM31A NISSAN Lower Seal

Review NISSAN Genuine Lower Seal

The Nissan 21497-JM31A Lower Engine Oil Seal is an essential component of your Nissan vehicle's engine system. Designed specifically for Nissan models, this seal ensures that engine oil remains contained within the crankshaft and prevents unwanted leakage.

This lower engine oil seal is made of high-quality materials that provide superior sealing performance. The seal's outer diameter measures approximately 74.3 mm (2.925 inches), while its inner diameter is around 62.8 mm (2.472 inches). The thickness of the seal is roughly 4.2 mm (0.165 inches), providing a snug fit in your engine compartment.

The seal features a unique design with an integrated lip that helps prevent oil from escaping. Its durable construction, coupled with an excellent fit, ensures a long-lasting seal that maintains optimal engine performance.

Installing the Nissan 21497-JM31A Lower Engine Oil Seal is a relatively straightforward process. However, it is essential to follow the correct installation procedure to ensure the seal's effectiveness. Properly removing the old seal, cleaning the area, and applying a suitable sealant can help ensure a successful installation.

When replacing the lower engine oil seal, it is also an excellent opportunity to inspect other components in your engine, such as the crankshaft and oil pan, for any signs of wear or damage. By addressing any potential issues, you can help maintain the overall health and longevity of your Nissan engine.

In summary, the Nissan 21497-JM31A Lower Engine Oil Seal is a crucial automotive part that plays a vital role in maintaining your vehicle's engine performance. Its high-quality construction, snug fit, and durable design ensure a long-lasting seal that prevents oil leaks. Proper installation and regular engine inspections can help ensure optimal engine performance and longevity.

Buying a Nissan 21497-JM31A lower engine seal involves considering various factors to determine if it's a worthwhile investment for your vehicle. Here are some pros and cons to help you make an informed decision.

1. OEM Part: This seal is an original equipment manufacturer (OEM) part, which means it is specifically designed and manufactured by Nissan for your vehicle model. Using an OEM part can ensure a proper fit, function, and durability.

2. Improved Sealing: A worn-out or faulty lower engine seal can lead to various issues, such as oil leaks and engine performance problems. Replacing the seal with a new one can help prevent such issues and restore the sealing efficiency.

3. Long-Lasting: Nissan parts are known for their durability and high quality. Installing a new OEM lower engine seal can provide long-term solutions to sealing issues and help you avoid frequent repairs or replacements.

1. Cost: Replacing a lower engine seal can be an expensive repair, especially if you choose to have it done at a professional garage. The cost of the part itself, labor, and any additional materials required for the repair can add up.

2. Time-Consuming: The process of replacing a lower engine seal can be time-consuming and complex, as it requires draining the engine oil, removing various engine components, and installing the new seal. This can result in your vehicle being out of commission for several hours or even days.

3. DIY Challenges: If you plan to install the seal yourself, the process can be challenging and may require specialized tools and knowledge. improper installation can lead to leaks and other complications, so it's essential to have a good understanding of the repair process before attempting it.

Deciding to buy and install a Nissan 21497-JM31A lower engine seal depends on your personal circumstances, budget, and priorities. If you prioritize long-term solutions, durability, and proper function, investing in an OEM part may be the best choice for you. However, consider the potential costs, time commitment, and DIY challenges before making your decision. If you lack the time, tools, or confidence to perform the repair yourself, it might be worth considering having a professional garage handle it for you.

Details:

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

specifications aircondiheat:

• brand: Nissan
• mpn: 21497-jm31a
• part type: Seal
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• year: 2011 2012 2013 2014 2015
• parts included: Only Part Reference 6 On The Diagram Is Included

returns aircondiheat:

• policy: returns accepted
• time: 30 days
• paid by: seller

shipping aircondiheat:

• class: standard
• service: standard
• transit: 5-9 days
• type: fixed

seller aircondiheat:

• city: milwaukee, wisconsin
• rating: 0.0%
• # reviews: 0

general aircondiheat:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating

payments aircondiheat:

• wallet: paypal
• credit card: visa
• other

offer aircondiheat:

• started: november 26, 2025
• in stock #: 5
• sold #: 16
• options: ship-to-home
• availability: in stock
• prices: $39.68–$40.49
• item condition:
  • New
  • Used