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M-Parts Pair of 25-1/4″ Trailer Spring – 4-Leaf, 1-3/4″ Wide

Excellent performance and reliability for light-duty trailer applications.

Frowse Rating9.1/10

This pair of 25-1/4″ double eye trailer springs offers sturdy support for 3,500 lbs trailers, with a 1-3/4″ width and a 1,750 lb capacity per spring. Ideal for ensuring reliable load distribution and stability on the road.

  • Double eye design for secure attachment
  • 4-leaf construction for added strength
  • Leaf thickness: 5/16″
  • Cross-reference numbers: SW4B, 72-42, LIB-401-DE
  • Dimensions: 66.04 x 4.45 x 15.24 cm
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Frowse Rating 9.1/10

Best for: Light-duty trailers needing dependable leaf springs

Our Review

The M-Parts Pair of SW4B Trailer Springs stand out for their efficient design tailored for light-duty trailers, offering impressive durability and performance. With a robust 1,750 lb capacity per spring, they cater perfectly to the needs of smaller trailers, ensuring smooth and reliable transport. This makes them an excellent choice for anyone looking to enhance the stability of their trailer while hauling such as boats or light equipment.

Constructed with a quality that reflects traditional leaf spring technology, these springs ensure consistent handling and safety under load. The double eye configuration allows for ease of installation, affording a straightforward solution for those requiring replacements.

What we like

  • Designed for light-duty trailers with a capacity of 1,750 lbs per spring.
  • Provides a smooth ride with minimal axle movement reported.
  • Easy installation due to the double eye design.
  • Constructed with traditional leaf spring technology, ensuring reliability.
  • Compatible with various light loads, ideal for boat trailers.

Our verdict

Excellent performance and reliability for light-duty trailer applications.

Product Details

The M-Parts leaf springs are an essential component in wheeled vehicles, maintaining stability and load capacity. These multi-leaf springs are available in multiple configurations, including double eye, radius end, and hook end, catering to various needs and maximum axle weight load capacities. Each spring in this pair measures 25-1/4″ in length and is 1-3/4″ wide, designed with a nylon bushing and supporting a substantial capacity of 3500 lbs per axle (1750 lbs per spring). It’s vital to inspect your trailer regularly for safety; check for any cracks or damage in the leaf springs, and replace them immediately if necessary. Cleaning the springs with a wire brush can assist in inspecting their condition before use.

Product Details

  • Type: Double Eye 4-Leaf Springs
  • Load Capacity: 3500 lbs (1750 lbs per spring)
  • Leaf Thickness: 5/16″
  • Dimensions: Each spring: 66.04 x 4.45 x 15.24 cm; Weight: 9.98 kg
  • Compatible Models: SW4B, 72-42, LIB-401-DE, UNA212, PR4B, 124903, 9150014, 93184
ASIN:
B07VHFG5BR
Brand:
MAT

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