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Dutton-Lainson 21815 Grease Seal for 1-3/8" Trailer Spindle

Manufacturer

Dutton-Lainson

<p>Dutton-Lainson Company traces its roots back to 1886, when William M. Dutton and two friends established a small harness and horse collar shop in Hastings, Nebraska that grew into one of the largest horse collar manufacturing plants in the nation. For nearly 140 years, the company has been manufacturing high quality products across a variety of categories, designed to help hard-working men and women get things done. Today, Dutton-Lainson Company is one of the country's leading manufacturers of quality products for marine, agricultural, industrial, and automotive markets throughout the world.</p><h3>Heritage of Innovation and Quality</h3><p>In the 1940s, the company retooled to meet the needs of a world at war, and during this time received three Army-Navy E pennants, an award signifying the highest level of quality and service given to only 5% of the country's manufacturers at that time. This legacy of precision manufacturing and reliability continues today in every product that bears the Dutton-Lainson name. For well over a century, Dutton-Lainson Company has been respected for its innovative spirit and highest standard of integrity, meeting the needs of its customers by finding new ways to diversify and enhance its product lines and service.</p><h3>Essential Equipment for Work and Recreation</h3><p>Dutton-Lainson's product lineup focuses on the critical equipment needed for hauling, lifting, and securing loads across multiple industries. Their <a href="/7325-dutton-lainson-hand-winches-parts-200508">hand winches and parts</a> are engineered for reliability in demanding applications, from marine environments to agricultural settings. Whether pulling boats onto trailers, securing cargo, or handling materials on job sites, these manual winching systems deliver consistent performance with the durability expected from American manufacturing.</p><p>The company's <a href="/7325-dutton-lainson-tongue-jacks-201082">tongue jacks</a> represent another core strength, providing stable lifting and leveling solutions for trailers of all types. These jacks are essential components for anyone who regularly hitches and unhitches trailers, offering smooth operation and dependable weight capacity. Beyond specialized trailer equipment, Dutton-Lainson produces a comprehensive range of <a href="/7325-dutton-lainson-jack-14315">jacks</a> for various lifting applications, serving professionals and enthusiasts who demand tools that work as hard as they do.</p><h3>Built to Last in Real-World Conditions</h3><p>What sets Dutton-Lainson apart is the company's understanding of how its products are actually used. Equipment designed for marine, agricultural, and industrial environments must withstand exposure to weather, repeated stress cycles, and demanding conditions. The company's multi-generational experience in manufacturing translates into thoughtful engineering details—from corrosion-resistant finishes to robust gear mechanisms that maintain smooth operation over thousands of cycles. For professionals who depend on their equipment daily and recreational users who need reliability when it matters most, Dutton-Lainson delivers products backed by more than a century of manufacturing expertise and a reputation built on quality that endures.</p>

Part Number

21815
05/31/2036 8:57 PM
Sale Price

$4.20

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

The Dutton-Lainson 21815 is a high-quality grease seal designed for trailer wheel hubs with 1-3/8" outer diameter spindles. This essential component prevents grease from leaking out of the hub assembly while keeping dirt, water, and contaminants from entering and damaging the wheel bearings.

Key Specifications:

  • Spindle outer diameter: 1-3/8 inches
  • Seal size: 2.56
  • Compatible with L68149/L68111 and LM48548/LM48510 bearing sets
  • Also known as part number 6422

This grease seal is a critical wear item that should be replaced whenever servicing trailer wheel bearings. Proper sealing ensures optimal bearing life and prevents premature failure due to contamination or lubricant loss. Suitable for boat trailers, utility trailers, and other light-duty trailer applications.

Products specifications

Bearings

L68149/L68111 & LM48548/LM48510

Size

2.56

Spindle

1-3/8" O.D.

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