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Trailer Parts Mart

3-66 – Spring Seat

3-66 – Spring Seat

SKU:3-66

Regular price $69.95 USD
Regular price $0.00 USD Sale price $69.95 USD
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Free shipping on orders $30+  ·  30-day easy returns  ·  Same-day dispatch before 7:30 PM

The 3-66 Spring Seat is crafted for 5″ round trailer axles, serving as a critical component for leaf spring attachment. Its weld-on design provides a permanent and secure fit, essential for maintaining proper suspension geometry.

Features:

  • Fits 5″ round axles

  • Weld-on installation ensures stability

  • Constructed from durable steel for longevity

Specifications:

  • Part Number: 3-66

  • Material: Steel

  • Axle Compatibility: 5″ Round Axles

  • Axle Capacity: 10,000 – 15,000 lbs

Fitment/Application:
Suitable for trailers with 5″ round axles requiring a robust weld-on spring seat for leaf spring mounting.

Shipping information

Orders under $30 have a $15 shipping charge. Orders of $30 or more ship free.

Returns

Eligible items can be returned within 30 days. Review the return policy before sending an item back.

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