Looking to find the best Trailer Springs?
We researched 29 Trailer Springs, tested 10, and we have done 30 hours of research. The best Trailer Springs doesn’t have to be complicated to be great. Our first pick is exactly that. No more, no less. It also costs less than any other products we tested.
The best
- Pair of SW4B Trailer Spring - 25-1/4" Double Eye 4-Leaf Spring 1-3/4" Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
- Cross-Reference: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184
- Free Open (Height of Arc): 3"; 2 Bushings Installed for Each Spring
- Leaf Thickness 5/16
Intro
Find out where you can get the best Trailer Springs! Picking among different existing Trailer Springs is not always that easy. It can even turn into a lengthy task because of the multiplicity of websites offering this type of product. That’s why on this page we’re giving you a comparison based on the best value for money spent. It’s a ranking thoroughly made to provide you with a comprehensive view and allow you to pick the best Trailer Springs. You will find a broad selection of models, brands, and prices. Whether you want to spare your wallet or find out what will be the best Trailer Springs for you, we support you through this comparison, which lists the product based on Amazon customer reviews. To make it practical, we have laid it out as a Top 10 of the Trailer Springs. On your marks! Start comparing! Pick your Trailer Springs!
Our picks
- Pair of SW4B Trailer Spring - 25-1/4" Double Eye 4-Leaf Spring 1-3/4" Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
- Cross-Reference: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184
- Free Open (Height of Arc): 3"; 2 Bushings Installed for Each Spring
- Leaf Thickness 5/16
- Replaces OEM# SW4, 72-25, LIB-402-DE, UNA218, PR4, 124886, 9150016, 93181
- Capacity: 2500 lbs Each
- Free Length(length of eye center to another eye center): 25-1/4"
- Free Open (height of arc): 3"
- Width of leaf: 1-3/4" Eye Diameter: 9/16" 2 Bushings installed
- Set Of 2 Leaf Springs.
- 4-Leaf Double-Eye Spring, Comes with 2 Bushings pre-installed.
- 2,500 Lb Capacity For 5,000 Lb Trailer Axles.
- Length of Eye C-to-C (Free Length): 25-1/4", Height of Arc (Free Open): 3".
- Leaf Width: 1-3/4", Bushing Diameter: 9/16".
Why you should trust us
This guide represents more than 10 years of experience in researching, testing, and writing about many subject. Our people are experts in all of their fields.
We alors spent 30 hours reading any article we could find on the internet and all the customer reviews at various retailer sites such as those of Amazon, Home Depot or Wallmart. We found many website that was a valuable resource with involved buying guides and detailed Trailer Springs information.
As for me, I’m very familiar with the Trailer Springs since I got it from 2 years.
Top 10
- Pair of SW4B Trailer Spring - 25-1/4" Double Eye 4-Leaf Spring 1-3/4" Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
- Cross-Reference: SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184
- Free Open (Height of Arc): 3"; 2 Bushings Installed for Each Spring
- Leaf Thickness 5/16
- Replaces OEM# SW4, 72-25, LIB-402-DE, UNA218, PR4, 124886, 9150016, 93181
- Capacity: 2500 lbs Each
- Free Length(length of eye center to another eye center): 25-1/4"
- Free Open (height of arc): 3"
- Width of leaf: 1-3/4" Eye Diameter: 9/16" 2 Bushings installed
- Set Of 2 Leaf Springs.
- 4-Leaf Double-Eye Spring, Comes with 2 Bushings pre-installed.
- 2,500 Lb Capacity For 5,000 Lb Trailer Axles.
- Length of Eye C-to-C (Free Length): 25-1/4", Height of Arc (Free Open): 3".
- Leaf Width: 1-3/4", Bushing Diameter: 9/16".
- (2) 4 Leaf 25 1/4" x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
- (4) 5-1/2" Long U-bolts; (2) U-bolt Tie Plates for 1-3/4" Spring; (8) 1/2"-20 Hex Nuts
- (2) 1-1/2" tall front hangers; (2) 7/8" tall rear hangers
- (4) 3-1/8" long shackle straps; (6) 3" long x 9/16" diameter shackle bolts
- (6) 9/16" diameter lock nuts
- SW4B Trailer Spring - 25-1/4" Double Eye 4-Leaf Spring 1-3/4" Wide for 3,500 lbs (3.5K) Trailers (1750 lb Capacity Per Spring)
- Length from center of spring eye to center of spring eye: 25-1/4"
- Spring width: 1-3/4", Eye diameter with bushing: 9/16"
- Leaf Thickness 5/16", Number of leaves: 4
- Equivalent to UNA212, UNA-212, SW4B, PR4B, LIB-401-DE, 93184, 9150014, 72-42, 72-042, 4 LEAF, 3500, 25-1/8, 124903
- One 1,750lbs capacity leaf spring, for standard 3,500lbs trailer axle,
- Eye to Eye length: 25-1/4", Free open: 3", width of leaf: 1-3/4", 4 leaves, 9/16" bushing dia
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- Number of Springs: 2
- Number of leaves: 4
- 1.75" wide
- 25.25" long(from center to center of the eyes)
- 9/16" Eye diameter
- (4) 6 Leaf 25 1/4" x 2" Trailer Double Eye Spring for 7000 lb Axles
- (8) 7" Long U-bolts; (4) U-bolt Tie Plates for 1-3/4" or 2" Spring; (16) 1/2"-20 Hex Nuts
- (4) 1-1/2" tall front hangers; (2) 2-1/2" tall center hangers; (2) 7-3/4" long triangle equalizers
- (8) 2-5/8" long shackle straps; (14) 3" long x 9/16" diameter shackle bolts; (14) 9/16" diameter lock nuts
- This supsension and hanger kit is for a 7k tandem axle setup (14K total capacity)
- (2) 3 Leaf 25 1/4" x 2" Trailer Double Eye Spring for 2000 lb Axles
- (4) 4-1/4" Long U-bolts; (2) U-bolt Tie Plates for 1-3/4" Spring; (8) 3/8" Hex Nuts
- (2) 1-1/2" tall front hangers; (2) 7/8" tall rear hangers
- (4) 3-1/8" long shackle straps; (6) 3" long x 9/16" diameter shackle bolts
- (6) 9/16" diameter lock nuts
- (2) 5 Leaf 25 1/4" x 2" Trailer Double Eye Spring for 6000 lb Axles
- (4) 7" Long U-bolts; (2) U-bolt Tie Plates for 1-3/4" or 2" Spring; (8) 1/2"-20 Hex Nuts
- (2) 1-1/2" tall front hangers; (2) 7/8" tall rear hangers
- (4) 3-1/8" long shackle straps; (6) 3" long x 9/16" diameter shackle bolts
- (6) 9/16" diameter lock nuts
How we tested
We search all the field to find the best Trailer Springs and all the type for it and get the best alternatives, priced decently, and easy to use. After that we tested all the main parameters we use : These things can separate the great Trailer Springs from the good.
- Easy To use
- Options
- Quality
- Longevity
How we picked
We search for all the field to find the best Trailer Springs and all the type for it and get the best alternatives, priced decently, and easy to use.
The main parameters we use : These things can separate the bad Trailer Springs from the good.
- Price
- Easy To use
- Customer reviews
- Quality
- Longevity
- Dimensions
Current Offers
- Set Of 2 Leaf Springs.
- 4-Leaf Double-Eye Spring, Comes with 2 Bushings pre-installed.
- 2,500 Lb Capacity For 5,000 Lb Trailer Axles.
- Length of Eye C-to-C (Free Length): 25-1/4", Height of Arc (Free Open): 3".
- Leaf Width: 1-3/4", Bushing Diameter: 9/16".
Conclusion
We hope this ranking has been helpful to you in picking the Trailer Springs that best suits you. We made it thoroughly and we will update it just as seriously, so that you get a real-time comparison. Our goal is to allow you to compare models and prices, and get an overview of the current market offers. We are here to make it easier for you and to help you make a free and informed choice. If our ranking gave you a clearer view on the diversity of the Trailer Springs, feel free to let us know in the comments section. We will happily read them.
Last update on 2021-03-07 at 12:03 / Affiliate links / Images from Amazon Product Advertising API