Description
Product Overview
The MyParts Automatic Transaxle Output Shaft Seal is engineered for the right‑hand side of automatic transmissions. Manufactured with advanced software and modern tooling, this seal matches the original equipment dimensions (2 x 4 x 4 inches) and weighs just 1 ounce. The exterior is finished ready‑to‑paint, allowing owners to match their vehicle’s aesthetic. It carries the manufacturer part number PA3-87429 and meets OEM specifications for durability and fit.
Usage
Designed for automotive technicians and DIY enthusiasts, this seal fits seamlessly during routine transmission service or rebuilds. Ideal for passenger cars, light trucks, and performance vehicles, it ensures proper fluid containment and prevents leaks in the output shaft area. 
Why Choose Us
MyParts combines precision engineering with rigorous quality control, delivering a product that installs like the factory unit. The direct‑fit design eliminates the need for modifications, reducing installation time and potential errors. Our seals are tested for temperature resistance and chemical compatibility, guaranteeing long‑term reliability.
Key Features
- Right‑side direct fit replacement matching OE dimensions
- Ready‑to‑paint exterior for easy color matching
- Lightweight 1‑ounce construction for efficient handling
- Manufactured with latest CAD software and modern tooling
- Proven performance with 5‑star customer reviews
FAQ
Is this seal compatible with all automatic transmissions?
The seal is specified for models that use the PA3‑87429 part number. Verify your vehicle’s service manual to confirm compatibility.
Do I need to paint the seal before installation?
No. The seal comes ready‑to‑paint, allowing you to apply paint after installation if desired for aesthetic purposes.
Can I install this seal myself?
Yes. The seal installs the same way as the factory unit with standard tools. Follow the service guide for torque specifications.
What warranty does MyParts provide?
MyParts offers a one‑year limited warranty covering manufacturing defects.
How does the seal handle high temperatures?
It is formulated to resist typical transmission operating temperatures, ensuring consistent sealing performance.




Automatic Transmission Seal PartCatalog Right
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