The Best Trailer Leaf Springs of 2025 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Trailer Leaf Springs of 2025. Check our ranking below.
2,955 Reviews Scanned
- 【PRECISION DESIGN, DIRECT FIT】: Eye to Eye length: 25-1/4 inch; Free open: 3 inch; Width of leaf: 1-3/4 inch, Leaf Thickness 5/16; Bushing dia- 9/16 inch. 1750 lb Capacity Per Spring; For 3,500 lbs Trailers.
- 【DIRECT REPLACEMENT】: Kit include: 4 x 5-1/2" long U bolts, U bolts dia. 1/2"; 2 x tie plates for 1-3/4" leaf springs; 8 x 1/2"-20 hex nuts. Fits: For SW4B. This kit is for 3,500lbs round axle which axle beam dia 2-3/8"
- 【4 LEAF DESIGN】: With a 4-leaf design, these leaf springs are 0.5 to 1 times higher load capacity than most springs, with superior strength and longevity.
- 【WHY CHOOSE Youxmoto】: The Leaf Springs Made of Heavy Duty Carbon Steel for transmission stability and friction damping; Extra added anti-rust coating for corrosion resistance and long-lasting performance.
- 【QUICK RESPONSE】: Simple installation, easy to maintain; Seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion. Youxmoto offers fast response within 8 hours
- Specifications: 4 leaves; Eye to eye length: 25-1/4" ; Free open: 3" ; Width of leaf: 1-3/4" ; Bushing dia: 9/16" ; Leaf thickness: 5/16"
- Fitment Fits for: SW4B; 1750 lb capacity per spring for 3500 lbs trailers. Please check the load rating to ensure that the correct leaf spring is selected.
- High Quality Materials: Our trailer leaf spring kits are made of 60Si2Mn (Manganese Steel) for greater strength, flexibility and hardenability. The surface has 2 coats of paint, which has good corrosion resistance.
- Ideal Solution: Seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement when the vehicle sags, bounces excessively, or rides unevenly.
- Trailer Leaf Spring Note: These leaf springs are NOT designed for ANY automobiles of any kind. These will NOT fit cars, trucks, van, or tractors. Please do not buy these UNLESS you are doing so for the trailer they are intended.
- Specifications: 4 leaves; Eye to eye length: 25-1/4" ; Free open: 3" ; Width of leaf: 1-3/4" ; Eye diameter with bushing: 9/16" ; Eye diameter without bushing: 11/16" ; Leaf thickness: 3/8"
- Fitment Fits for: SW4; 2500 lb capacity per spring for 5000 lbs trailers. Please check the load rating to ensure that the correct leaf spring is selected.
- High Quality Materials: Our trailer leaf spring kits are made of 60Si2Mn (Manganese Steel) for greater strength, flexibility and hardenability. The surface has 2 coats of paint, which has good corrosion resistance.
- Ideal Solution: Seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement when the vehicle sags, bounces excessively, or rides unevenly.
- Trailer Leaf Spring Note: These leaf springs are NOT designed for ANY automobiles of any kind. These will NOT fit cars, trucks, van, or tractors. Please do not buy these UNLESS you are doing so for the trailer they are intended.
- Direct replacement - these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
- Ideal solution - seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
- Durable construction - made from quality materials to strict specifications to ensure reliable performance and long service life
- Trustworthy quality - engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
- Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team
- Heavy-Duty Load Capacity – Each 3-leaf spring supports up to 750 lbs; combined 1,500 lbs capacity for a single axle trailer.
- Standard Size Fit – Measures 24-5/8" from eye center to hook end, with 1-3/4" wide spring profile to fit most 1.5K trailer axles.
- Durable Construction – Includes high-strength black bushings (9/16" inner diameter); built to absorb road shock and provide a smoother ride.
- OEM Replacement Codes – Direct replacement for Dexter 4331-07B, UNA-178, UNA-203 and compatible with TS820-3, WE-3, WIE-3, LR24503F, and other popular models.
- Universal Application – Ideal for single axle utility trailers, boat trailers, cargo haulers, and other light-duty applications.
- 【Vehicle Fitment】 SW5; 3000 lb capacity per spring for 6000 lb trailers. Please check the load rating to ensure that the correct leaf spring is selected
- 【Specifications】5 leaves; Eye-to-eye length: 25-1/4"; Free open: 3"; Width of leaf: 1-3/4"; Bushing dia: 9/16"; Leaf thickness: 5/16"
- 【Package List】 2 x EQ-E1 equalizers, 6 x 3" tall hangers, 8 x shackle straps, and 14 x 9/16"-18 x 3" long shackle bolts and locknuts. 6 x 7" long U-bolts, U-bolts dia. 1/2"; 4 x tie plates for 1-3/4" or 2" leaf springs; 16 x 1/2"-20 hex nuts
- 【Premium Quality】 GEARCESS trailer leaf spring kits are made of 60Si2Mn (Manganese Steel) for greater strength, flexibility, and hardenability. The surface has 2 coats of paint, which have good corrosion resistance
- 【Warm Tips】These leaf springs are NOT designed for ANY automobiles of any kind. These will NOT fit cars, trucks, vans, or tractors. Please do not buy these UNLESS you are doing so for the trailer they are intended for.
- 【ADAPTATION】Double eye springs, eye to eye length: 25-1/4", 4 leaves. Designed for standard 3500 lbs trailer axles, providing a perfect fit and reliable performance. Each spring has a load capacity of up to 1750 lbs ensuring your trailer is supported and protected during travel.
- 【FUNCTION】They work as part of the suspension to carry huge loads while relieving stress on the trailer chassis and axles. Provides much-needed cushioning for your travel trailer against bumps and vibrations.
- 【STRONG CONSTRUCTION】Made of manganese steel. Built to withstand the demands of frequent use and are easy to repair or replace.
- 【ACCESSORIES】 Our kit includes a U-bolt kit and a single trailer axle hanger kit. Fits 2-3/8" diameter round trailer axles. All parts are galvanized for higher durability.
- 【CAUTION】It's important to choose the appropriate leaf type and size that matches your vehicle's load rating, different vehicles require different leaf types and sizes. Please verify the spring load rating to ensure optimal performance and safety.
- Replaces for Part Number: SW5
- Includes: 2 x 5-Leaves Double Eyes Springs;4 x 7" long U bolts, U-bolt thread diameter is 1/2",the curvature (inside diameter) of the U-bolt is 3 1/9" ; 2 x tie plates for 1-3/4" or 2" leaf springs; 8 x 1/2"-20 hex nuts. And this kit used for 3" dia round trailer axle.
- Parameters: 3000 lb Capacity Per Spring For 5200-6000 lbs Trailers; Eye to Eye length: 25-1/4", Free open: 3", width of leaf: 1-3/4", 5 leaves, 9/16" bushing dia
- Durability: Each of AEAGLE trailer leaf spring kit with anti-rust coating for good corrosion resistance. We always choose raw material with high quality to make our products strong, durable and ensure reliable performance and long use time.
- Quality Assurance: 12-month warranty! Tested before shipping.
- Two 4-Leaf Double Eye Spring 25 1/4" Eye to Eye, 1 3/4" wide, 1750 lbs. capacity each
- One single shackle kit
- One 2 3/8" round ubolt kit
- Direct replacement - these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers
- Ideal solution - seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement
- Durable construction - made from quality materials to strict specifications to ensure reliable performance and long service life
- Trustworthy quality - engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA
- Support available - every Dorman part is backed by Dorman's ASE Blue Seal Certified technical support team
Last update on 2025-09-08 / Affiliate links / Images from Amazon Product Advertising API
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