Jetuplusllc Speedo Leak Stop Seal Kit assembly seals the gear housing for reliable readings
Jetuplusllc Speedometer shaft seal in housing promotes leak prevention and smooth operation
Jetuplusllc Speedometer shaft seal retainer keeps seals secure for long-lasting performance
Jetuplusllc Housing O-Ring provides a tight, durable seal to prevent seepage
Jetuplusllc Transmission compatibility guide confirms fit for TH400, TH375, TH475, and 3L80E
Jetuplusllc Speedo Leak Stop Seal Kit assembly seals the gear housing for reliable readings
Jetuplusllc Speedometer shaft seal in housing promotes leak prevention and smooth operation
Jetuplusllc Speedometer shaft seal retainer keeps seals secure for long-lasting performance
Jetuplusllc Housing O-Ring provides a tight, durable seal to prevent seepage
Jetuplusllc Transmission compatibility guide confirms fit for TH400, TH375, TH475, and 3L80E

Jetuplusllc Speedo Leak Stop Seal Kit for TH400 TH375 TH475 & 3L80E Transmissions

Overview Keep your speedometer readings accurate and your transmission area clean with the Jetuplusllc Speedo Leak Stop...
Vendor: Jetuplusllc
Availability: In stock
£27.01
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Jetuplusllc Speedo Leak Stop Seal Kit assembly seals the gear housing for reliable readings

Jetuplusllc Speedo Leak Stop Seal Kit for TH400 TH375 TH475 & 3L80E Transmissions

£27.01
Jetuplusllc Speedo Leak Stop Seal Kit assembly seals the gear housing for reliable readings
Jetuplusllc Speedometer shaft seal in housing promotes leak prevention and smooth operation
Jetuplusllc Speedometer shaft seal retainer keeps seals secure for long-lasting performance
Jetuplusllc Housing O-Ring provides a tight, durable seal to prevent seepage
Jetuplusllc Transmission compatibility guide confirms fit for TH400, TH375, TH475, and 3L80E

Jetuplusllc Speedo Leak Stop Seal Kit for TH400 TH375 TH475 & 3L80E Transmissions

£27.01
Description
Description
x

Overview

Keep your speedometer readings accurate and your transmission area clean with the Jetuplusllc Speedo Leak Stop Seal Kit. Engineered as a direct replacement for classic TH400 family transmissions and related models, this kit addresses the speedometer driven gear housing without requiring a full teardown. The result is a straightforward upgrade path for older vehicles or restoration projects that rely on reliable seals and dependable performance.

Condition: New. Brand: Jetuplusllc. Part Type: Seal Kit. Fitment Type: Direct Replacement. This kit focuses on the essential components involved in the speedometer housing seal, delivering a compact, all-in-one solution designed for ease of installation and consistent results.

Kit contents and fitment

  • Housing O-Ring
  • Speedometer Shaft Seal
  • Speedometer Shaft Seal Retainer

Fitment covers TH375, TH400, TH475 and 3L80E transmissions from 1964 and up. The parts are designed to align with common seal layouts, enabling a direct replacement path that minimizes downtime and preserves original alignment.

Key benefits at a glance

  • Durable seal components to help reduce seepage around the speedometer housing
  • Direct replacement parts designed for straightforward installation
  • Protects the speedometer drive area while supporting consistent readings
  • Compact kit reduces clutter and simplifies maintenance planning

Real-world use scenarios

Ideal for classic car restorations, frequent-driver projects, and performance builds where a tight seal supports longevity and cleaner transmission surroundings. Users may notice easier maintenance and fewer drips in the work area, along with more predictable speedometer behavior over time.

Installation tips

  • Inspect mating surfaces for wear before replacing seals
  • Follow standard seal replacement procedures to ensure proper seating
  • Replace related components if there is visible wear or damage
  • Consult vehicle-specific guidance to confirm fit for your model

FAQ

Q: What vehicles does this kit fit?

A: Direct replacement for TH400, TH375, TH475 and 3L80E transmissions from 1964 onward.

Q: What is included in the kit?

A: Contains 1 housing O-ring, 1 speedometer shaft seal, and 1 shaft seal retainer.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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