Best Trailer Springs (2026 Guide)
We selected springs based on user rating and review volume, verified load capacities, construction type (leaf, slipper, coil), and measured fitment compatibility for common trailer axles
The Verdict
- Best Overall: LIBRA 4,000lbs capacity leaf spring for 8,000lbs trailer axle — Best for heavy tandem axles: 4,000 lb leaf springs each support an 8,000 lb axle setup with sturdy eye-to-eye design
- Best Value: Heavy-Duty Trailer Ramp Spring, Left & Right (RS16933LH/RH) by AIB2C — Best for ramp lift use: left/right coil ramp springs built for heavy-duty lift-assist and ramp operation
This guide reviews top-rated trailer springs chosen for high user ratings and substantial review volume across leaf, slipper, and coil types. Picks were selected for proven load capacities, construction style, and suitability for common trailer axles and tailgate applications
Top Picks
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1
Best Overall LIBRA 4,000lbs capacity leaf spring for 8,000lbs trailer axle
Best for heavy tandem axles: 4,000 lb leaf springs each support an 8,000 lb axle setup with sturdy eye-to-eye design
Leaf spring set rated at 4,000lbs, for standard 8,000lbs trailer axle. Includes 6 leaves with 29-1/2 in free length from eye to hook, 3-1/2 in open, 2 in leaf width. Customers report easy installation and good weight handling
- 4,000lbs per spring
- fits 8,000lbs axle
- six-leaf configuration
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2
Best Value Heavy-Duty Trailer Ramp Spring, Left & Right (RS16933LH/RH) by AIB2C
Best for ramp lift use: left/right coil ramp springs built for heavy-duty lift-assist and ramp operation
Heavy duty trailer coil springs set with left and right sides. Helps lift heavy trailer ramps with 4" long ears and 1/2" steel round bar. Customers note strong fit and effective lift
- dual-spring set
- 90-degree deflection for easier lift
- fits 1.50" shaft
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3
Trailer tailgate lift assist replacement spring set (2 pcs)
Best for tailgate lift assist: two-piece replacement springs engineered to restore tailgate balance and reduce effort
Replacement spring and cable kit for trailer tailgate lift. Provides an easier lift and lower, with a double spring design. One customer noted it helps lift heavy tailgates and acts as a back saver
- easy installation
- double spring design
- hands-free operation
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4
Aeagle 6-Leaf Double Eye Spring 3500 lb (25-1/4" L) for 7000 lb trailer axle
Best for 7,000 lb axles: 6-leaf double-eye springs ,500 lb each for heavier tandem-axle trailers
Aeagle 6-leaf double-eye trailer spring, 25-1/4" eye-to-eye, 3" free length, 1-3/4" leaf width. Durable, anti-rust coating with 12-month warranty. Customer notes good fit and quick install, with some symmetry and bolt-fit issues
- 6-leaf heavy-duty design
- eye-to-eye 25-1/4 inch
- anti-rust coating
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5
Trailer leaf spring 5-leaf double eye 3000 lb per spring 25-1/4"
Best mid-capacity option: 5-leaf double-eye springs ,000 lb each for balanced trailer suspension
Leaf spring kit for trailers with 5 leaves and double eye ends. Improves strength and corrosion resistance with coated manganese steel. One customer noted easy installation and proper fit
- 5-leaf design
- 25-1/4" eye-to-eye length
- 60Si2Mn manganese steel with two coats of paint
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6
Pair of 24-5/8" 4-Leaf Slipper Trailer Springs (1-3/4" wide) 1000 lbs
slipper pair: 4-leaf 24-5/8" slipper springs designed for 1,000 lb axle setups with compact width
4-leaf trailer springs rated up to 1,000 lbs per spring (2,000 lbs per axle). Direct replacement for UNA-179 and fits Dexter 4341-10 for common 2,000 lb axles. Customer note: a good fit for small boat trailers
- 4-leaf, 1,000 lb per spring
- OEM direct replacement
- fits 2,000 lb axles from multiple brands
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7
Trailer leaf spring 4 leaf double eye 1750 lbs cap (set 2) for 3500 lbs axles
Best for lighter axles: 4-leaf double-eye pair ,750 lb per spring for 3,500 lb axle replacements
4-leaf trailer leaf spring kit with 25-1/4" eye-to-eye length and 1-3/4" leaf width. Provides 1750 lb per spring capacity for 3500 lb trailers; corrosion-resistant coating and manganese steel. Customers report easy installation and solid fit, with mixed views on value for money
- 4-leaf spring kit
- eye-to-eye length 25-1/4"
- 1750 lb per spring capacity
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8
AEagle 4-Leaf Spring Pair, 1750 lb per spring, 25-1/4" eye-to-eye
Best standard replacement: 4-leaf double-eye pair with 1,750 lb capacity per spring and 25-1/4" eye-to-eye length
Pair of 4-leaf double-eye trailer springs, 1750 lb capacity per spring for 3500 lb trailers. Includes hardware and 25-1/4" eye-to-eye length with 3" free open and 1-3/4" leaf width. Customers note good fit and easy installation, with some build-quality and missing hardware concerns
- 1750 lb per-spring capacity
- 2-leaf set with double-eye design
- eye-to-eye length 25-1/4"
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9
AEagle 4-Leaf 2500lb Double Eye Spring (2 pcs) 25-1/4" L, 1.75" W
Best for intermediate load: 4-leaf double-eye springs ,500 lb each for moderate-duty trailer use
Two 4-leaf double-eye springs for 5000 lb trailer axles. Eye-to-eye length 25-1/4", free open 3", leaf width 1-3/4"; includes bushings. Customers note good quality and easy installation, with some fit and symmetry concerns
- 2 springs included
- 25-1/4" eye-to-eye length
- 3" free open, 1.75" leaf width
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10
5-Leaf Slipper Springs (Pair) 26-5/8" x 2" for 7,000 lb trailers
Best for heavy single-axle duty: 5-leaf 26-5/8" slipper springs sized for 7,000 lb trailers and tandem configurations
Heavy-duty slipper springs built from high-strength steel with a 5-leaf design. Each spring supports up to 3,500 lbs, aiding tandem axle trailers up to 7,000 lbs; includes pre-installed nylon bushing for easier installation. Customers note it fits well for small boat trailers
- 5-leaf design for durability
- pre-installed nylon bushing
- exact-fit eye and end dimensions