3543 National Seal Auto Trans Output Shaft Seal OE Replacement
3543 National Seal Auto Trans Output Shaft Seal OE Replacement
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3543 National Seal Auto Trans Output Shaft Seal OE Replacement
The 3543 National Seal Auto Trans Output Shaft Seal is your go-to solution for ensuring your vehicle's performance remains at its peak. Designed by National®, a brand renowned for over 75 years of excellence in sealing solutions, this output shaft seal promises durability and reliability.
Key Features:
- Advanced Design: Spring loaded with a multi-lip configuration for superior sealing performance.
- Temperature Resilience: Operates effectively in a wide temperature range from -40°F to 225°F (-40°C to 107°C).
- Low Swell in Hydrocarbon Fluids: Engineered to withstand various fluid types, reducing the risk of swelling and failure.
- Quality Material: Constructed from high-grade silicone for enhanced wear resistance.
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Precise Dimensions:
- Inside Diameter: 1.378 Inch
- Outside Diameter: 2.167 Inch
- Thickness: 0.577 Inch
Benefits:
- Reliable Performance: Engineered to deliver quality and dependable outcomes for any type of repair.
- Easy Installation: Designed to fit seamlessly, making your repair process quick and hassle-free.
- Peace of Mind: Backed by a limited 90-day warranty, ensuring your investment is protected.
Choose the 3543 National Seal Auto Trans Output Shaft Seal for a sealing solution that stands the test of time and keeps your vehicle running smoothly.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

