Are you trying to find trailer springs among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling trailer springs on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 14 hours of research and did 41 trailer springs tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best trailer springs you can buy today
- 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
- Spring capacity: 750 lbs, Axle capacity: 1,500 lbs
- Length of eye center to the end of hook: 24-5/8", Spring width: 1-3/4"
- Eye diameter with bushing: 9/16", Eye diameter without bushing: 11/16"
- Leaf thickness: 3/8", Number of leaves: 3
- UNA-178, WIE-3, 4331-07, UNA-203, TS820-3, WE-3, 4331-07, UNA-203, WE3 433107 UNA203, LR24503F, UNA-178, TS820-3, TS8203
- Two 4-Leaf Double Eye Spring 25 1/4" Eye to Eye, 1 3/4" wide, 1750 lbs. capacity each
- One single hanger kit
- One 2 3/8" round ubolt kit
- One 1,750lbs capacity leaf spring, for standard 3,500lbs trailer axle,
- Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- Country of Origin: USA
- Replacement leaf spring for RV trailer
- Available lengths: 21", 24" and 26"
- Weight capacity options ranging from 1,000 - 3,000 lbs.
- Please consult your original equipment label before purchasing
- 3,500lbs capacity per each spring , for standard 7,000lbs trailer axle
- Free length from center of eye to end of hook: 26-7/8", Free open: 3.19", width of leaf: 2", 5 leaves, 9/16" bushing dia
- It will replace 72-32 / 1203T3 / LIB-501-SH / UNA232 / 125023 / 9150000 (different SKU# but same spring)
- LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.
- OEM Part Number: Replaces SW4B, 72-42, LIB-401-DE, UNA212, PR4B, 124903, 9150014, 93184
- Includes: 2 x 4-Leaves Double Eyes Springs; 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles (Kit includes: 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)
- Parameters: 1750 lb capacity per spring for 3,500 lbs trailers; eye to eye length: 25-1/4", free open: 3", width of leaf: 1-3/4", 4 leaves, 9/16" bushing dia, 2 bushings installed for each spring, leaf thickness: 5/16"
- 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 service life.
- Quality Assurance: 12-month warranty! Tested before shipping, perfect match to the factory part. 100% satisfaction guarantee. If you have any questions or suggestions, please feel free to contact us
- 【PRECISION DESIGN, DIRECT FIT】: Eye to Eye length: 25-1/4 inch; Free open: 3 inch; Width of leaf: 1-3/4 inch; 5 leaves; 9/16 inch bushing dia. 3000 lb Capacity Per Spring For 6000 lbs Trailers.
- 【DIRECT REPLACEMENT】: Fits: SW5 / LIB-502-DE / UNA111 / PR5 / 9150018 / 93163.
- 【5 LEAF DESIGN】: With a 5-leaf design, these leaf springs are 0.5 to 1 times higher load capacity than most OEM and aftermarket 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.
- 【HASSLE-FREE PURCHASE】: Simple installation, easy to maintain; Seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion. Youxmoto offers fast response within 8 hours; lifetime return service.
- About The Springs: Each spring offer 3000lbs capacity, suit for standard 5200lbs - 6000lbs trailer axle.Eye to Eye length: 25-1/4 inch , Free open: 3 inch , width of leaf: 1-3/4 inch , 5 leaves, 9/16 inch bushing dia.
- About The Replacement: It will replace SW5, UNA111, PR5, 9150018, 93163 OEM. These leaf springs are designed to match the original leaf springs on specific vehicles or trailers.
- About Material and Design: 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.
- About The Use: seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement.
- About Service after Sale: High quality assurance! And we provide lifetime after-sales service policy.If you have any problems, please contact us first, we will try our best to ensure you are 100% satisfied!
- 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
- Pair of M-Parts 25-1/4" 5-Leaf Double Eye Trailer Springs 1-3/4" Wide for 5,200/6,000 Lb Axles (3,000 Lb Capacity Per Spring) - SW5 (2 Included)
- Bushings are included and installed. Ready to use as is.
- Four 4-Leaf Double Eye Spring 25 1/4" Eye to Eye, 1 3/4" wide, 1750 lbs. capacity each
- One tandem hanger kit
- Two 2 3/8" round ubolt kit
- Heavy duty trailer coil springs,contains 1 x left side & 1 x right side
- Designed to help to Lift Heavy Trailer Ramps
- 4" Long Ears,1/2" Steel Round Bar,Fits over a 1.50" Diameter Shaft
- This spring provides a 90-degree deflection,which makes raising and lowering heavy trailer ramps easier
- Suitable for trucks, trailer gates
- 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
- 1,750lbs capacity per each spring, for standard 3,500lbs trailer axle,Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- Include Complete single trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x 3" tall hangers, 2 x 2.1" tall hangers, 4 x shackle straps (eye to eye 3.09"), 6 x 9/16"-18 x 3" long shackle bolts and locknuts
- LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.
- # OF LEAVES - 4
- SIZE - 25.13" L x 1.75" W x 3.25" H
- AXLE CAPACITY - 3,500LB
- EYE ID - 11/16"
- BUSHING ID - 9/16"
- 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: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184; 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.
- Accessory Kit: 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. This kit is for 3,500lbs round axle which axle beam dia 2-3/8".
- 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.
- 1,750lbs capacity per each spring, for standard 3,500lbs trailer axle,Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- Include 3,500lbs axle U-bolt kit for 2-3/8" dia round trailer axles , 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
- LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.
- 1,750lbs capacity per each spring, for standard 3,500lbs trailer axle
- Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.
- Four 4-Leaf Double Eye Spring 25 1/4" Eye to Eye, 1 3/4" wide, 1750 lbs. capacity each
- One Shackle kit
- Two 2 3/8" round ubolt kit
How to choose a good trailer springs
Does the idea of finding a fantastic trailer springs make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in trailer springs. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top trailer springs products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top trailer springs on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top trailer springs brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top trailer springs based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the trailer springs were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good trailer springs, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your trailer springs.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting trailer springs for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our trailer springs. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what trailer springs should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on trailer springs.
