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BIGLKNM TH400 Transmission Seal Kit Automatic Gm 3L80

Th400 Biglknm Transmission Seal Kit For Gm 3l80 1965-1998 Automatic

( Brand: Biglknm ), ( Manufacturer Part Number: TH400 ), ( Part Type: Kit ), ( Packageheight: 30 ), ( Packagelength: 462 ), ( Packageweight: 567 ), ( Packagewidth: 338 )

Review BIGLKNM Transmission Seal Kit Automatic

Introducing the BigLNKM TH400 Transmission Seal Kit, specifically designed for GM 3L80 automatic transmissions used in vehicles from 1965 to 1998. This premium seal kit is an essential upgrade for any vehicle owner seeking to maintain or restore their automatic transmission system.

The BigLNKM TH400 Transmission Seal Kit includes all necessary seals required to rebuild and maintain a leak-free transmission. These seals are meticulously engineered to provide an optimal fit and function, ensuring maximum transmission efficiency and longevity.

The kit includes the following seals:

1. Pan gasket

2. Front seal

3. Rear seal

4. Sunshell gasket

5. Transmission to torque converter seal

6. Transmission to bellhousing gasket

7. Transmission to oil pump gasket

8. Transmission to case gasket

9. Oil cooler lines gasket

10. Dipstick tube gasket

Each seal is made from high-quality materials, providing superior sealing capabilities and resistance to the harsh conditions inside a transmission. The kit is compatible with both standard and heavy-duty applications, making it a versatile solution for various GM 3L80 automatic transmission setups.

Installing the BigLNKM TH400 Transmission Seal Kit is a straightforward process. The seals are easy to install, and the kit comes with clear instructions to guide you through the process. By upgrading your transmission seals, you can prevent costly leaks and ensure your transmission operates at its best.

Investing in the BigLNKM TH400 Transmission Seal Kit is an investment in the longevity and performance of your GM 3L80 automatic transmission. With its precise fit, high-quality materials, and ease of installation, this seal kit is the perfect solution for maintaining or restoring your transmission system.

Buying a Big O TS TH400 transmission seal kit for GM 3l80 automatic transmissions (1965-1998) can be a worthwhile investment if your transmission is leaking and you prefer to perform the repair yourself. Here are some potential pros and cons to consider before making a purchase.

Pros:

1. Cost-effective: Performing the seal replacement yourself using this kit can save you significant labor costs compared to having a professional do it.

2. Availability: It is widely available from various automotive parts stores and online retailers, ensuring easy access for those who need it.

3. Comprehensive: The kit includes all the necessary seals for the TH400 transmission, making it a convenient one-stop solution for addressing leaks.

4. Improved performance: Fresh seals can help prevent further leaks and improve overall transmission performance.

5. DIY satisfaction: Completing the repair yourself can be a rewarding experience for those who enjoy working on their vehicles.

Cons:

1. Skill level: Installing the seals requires some level of mechanical aptitude and familiarity with transmission work.

2. Time commitment: Depending on your experience level and the complexity of the repair, replacing the seals can be a time-consuming process.

3. Risk of damage: Improper installation or the use of incorrect seals can lead to further damage to the transmission.

4. Tool requirements: You may need to invest in specialized tools to remove and install the seals.

5. Potential for additional repairs: Leaks could indicate other issues with the transmission, which may require further repairs.

In conclusion, purchasing a Big O TS TH400 transmission seal kit for your GM 3l80 automatic transmission can be a cost-effective and comprehensive solution for addressing leaks. However, it requires a certain level of mechanical skill and the potential for additional time and tool investment. If you are confident in your abilities and willing to commit the time, this kit can help improve your transmission's performance and save you money compared to professional repairs. If you are unsure about your abilities or the extent of the repair needed, it may be worth considering professional assistance.

Details:

Material: These TH400 seal kit made of long-lasting material, O-ring floury rubber, high temperature resistance, corrosion not easy to leak. BIGLKNM TH400 Transmission Seal Kit for GM 3L80 1965-1998, Automatic Rebuild with Gasket O-Ring Fiber Pan. TH400 Seal Pan Gasket: These complete rebuild kit can preventing leaks, extending the life of your transmission. Function: This turbo 400 transmission seal kit is designed to up a leaking.

part #: th400 price

  • $51.62

specifications poolmaintgo:

  • brand: Biglknm
  • mpn: Th400
  • part type: Kit
  • packageheight: 30
  • packagelength: 462
  • packageweight: 567
  • packagewidth: 338

shipping poolmaintgo:

  • transit: 3-6 Days
  • cost: $0.00
  • type: Fixed
  • class: Expedited
  • service: Expedited

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  • other
  • credit card: Mastercard
  • wallet: Apple-pay

offer poolmaintgo:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 2
  • started: March 29, 2026

returns poolmaintgo:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
  • method: Money back

seller poolmaintgo:

  • # reviews: 779
  • city: New York, New York
  • rating: 98.7%

general poolmaintgo:

  • condition: New
  • Pools Spas > Pool Equipment Parts > Other Pool Equipment Parts
part type: kit, packageheight: 30, packagelength: 462, packageweight: 567, packagewidth: 338,
category: home & garden > pools spas > pool equipment parts, sku: 17606837476770813,
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1 offer $51.62 USD
  • New. Offer #1 priced at $51.62 + $0.00 shipping estimate = $51.62* total. Material: These seal kit made of long-lasting material, O-ring made of fluoro rubber, high temperature resistance, corrosion resistance, not easy to leak. BIGLKNM Transmission Seal Kit for GM 1965-1998, Automatic Rebuild Kit with Seal Gasket O-Ring Fiber Pan Gasket.FREE SHIPPING

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