71321 FEL-PRO Spark Plug Tube Seal

Review FEL-PRO Spark Plug Tube Seal

The Fel-Pro 71321 Spark Plug Tube Seal is a vital component in maintaining the sealing integrity of your engine's intake manifold. This high-performance seal is designed to fit and seal around the spark plug tubes in various applications, ensuring a proper combustion chamber seal.

The Fel-Pro Spark Plug Tube Seal is made from a durable, high-temperature rubber compound that provides excellent sealing performance against fuel and coolant. It is specifically engineered to withstand the rigors of high-performance engines, delivering reliable sealing even under extreme conditions.

The seal measures approximately 2.7 inches in length and 1.3 inches in width, with a thickness of 0.125 inches. It features a tapered design that facilitates easy installation and removal, ensuring a secure fit around the spark plug tubes. The seal's outer edge is also chamfered, providing a smooth surface for mating with the intake manifold.

The Fel-Pro 71321 Spark Plug Tube Seal is designed to be a direct replacement for the original equipment seal in many applications. It is engineered to meet or exceed OEM specifications, ensuring a perfect fit and reliable sealing performance. This seal is suitable for use in both gasoline and diesel engines, making it a versatile solution for a wide range of vehicles.

Installing the Fel-Pro Spark Plug Tube Seal is a straightforward process. It is recommended to remove the old seal and spark plug tube before installing the new seal. Once the new seal is in place, simply reinstall the spark plug tube and torque it to the recommended specification. The seal comes packaged with a gasket maker, ensuring easy application and a strong seal.

In summary, the Fel-Pro 71321 Spark Plug Tube Seal is a high-performance, durable sealing solution for maintaining the integrity of your engine's intake manifold. Its tapered design, high-temperature rubber compound, and easy installation make it a reliable and effective choice for a wide range of applications.

A Comprehensive Analysis of Buying Fel-Pro 71321 Spark Plug Tube Seals

Fel-Pro 71321 Spark Plug Tube Seals are an essential automotive part designed to prevent coolant from entering the engine's combustion chamber via the spark plug tubes. Like any other automotive part, there are pros and cons associated with purchasing and installing these seals. In this analysis, we will discuss these advantages and disadvantages to help you make an informed decision.

1. Leak Prevention: Fel-Pro 71321 Spark Plug Tube Seals effectively prevent coolant from leaking into the combustion chamber, which can help maintain proper engine performance and cooling.

2. Easy Installation: These seals are relatively simple to install compared to other engine components, making them a cost-effective solution for addressing coolant leaks.

3. OEM Quality: Fel-Pro is a well-known brand in the automotive industry, and their parts, including the 71321 Spark Plug Tube Seals, are engineered to meet or exceed OEM specifications.

4. Improved Engine Performance: By preventing coolant from entering the combustion chamber, these seals can help improve engine performance and reduce the risk of misfires and other related issues.

1. Limited Compatibility: Fel-Pro 71321 Spark Plug Tube Seals may not be compatible with all engine models and years. It is essential to verify that these seals are the correct fit for your specific vehicle before making a purchase.

2. Potential for Over-tightening: Over-tightening the seals during installation can cause damage to the spark plug tubes or threads, which may result in additional repair costs.

3. Cost: While these seals are generally affordable, the cost of purchasing and installing them can add up, especially if multiple seals need to be replaced.

Fel-Pro 71321 Spark Plug Tube Seals offer several advantages, including leak prevention, easy installation, OEM quality, and improved engine performance. However, their limited compatibility, potential for over-tightening, and cost must also be considered. Ultimately, if you have identified a coolant leak in your spark plug tubes and these seals are compatible with your vehicle, they can be an effective and cost-efficient solution for addressing the issue.

Before purchasing Fel-Pro 71321 Spark Plug Tube Seals, ensure that they are the correct fit for your vehicle by consulting the automotive parts catalog or a knowledgeable mechanic. Additionally, follow the installation instructions carefully to avoid over-tightening and potential damage to the spark plug tubes or threads. If you are unsure about the installation process, consider seeking assistance from a professional mechanic.

Details:

Made of high-quality components for durability, reliability, and performance. Designed specifically for trucks, trailers, and buses. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Manufactured following strict OE standards to work like the original component.

: part number: 71321 manufacturer: Fel-Pro. Engineered using the latest technology to ensure Product lasts longer in service.

specifications ignitioncomp:

• brand: Fel-pro
• mpn: 71321
• part type: Spark Seal Plug Tube
• ipn: 7t4z6c535a

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components

shipping ignitioncomp:

• transit: 3-6 days
• type: fixed
• class: standard
• service: standard

seller ignitioncomp:

• city: los angeles, california
• # reviews: 70086
• rating: 99.4%

payments ignitioncomp:

• credit card: diners-club
• other
• wallet: apple-pay

returns ignitioncomp:

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

offer ignitioncomp:

• prices: $5.43–$23.72
• item condition:
  • New
  • New other (see details)
• availability: in stock
• sold #: 5
• started: may 10, 2026
• in stock #: 5
• options: ship-to-home
• best offers: true