13-104-2 - Multi-Axle Suspension Equalizer
The 13-104-2 Curved Double-Eye Spring Equalizer is a precision-forged suspension component designed to link and balance leaf spring packs on tandem-axle trailers. Its curved profile ensures proper load transfer and articulation, reducing stress on springs and axles. Ideal for utility, equipment, and livestock trailers, this equalizer delivers smooth ride quality and long-lasting durability.
Features:
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Curved double-eye design for optimal spring alignment & travel
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Heavy-duty steel construction with protective finish
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Precision-bored eyes for smooth pivot action
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Ideal for 3,500–12,000 lb tandem-axle trailer suspensions
Specifications:
| Dimension | Size |
|---|---|
| A (Eye-to-Eye Length) | 5-5/8" (142.9 mm) |
| B (Center-to-Center Between Eyes) | 2-13/16" (71.4 mm) |
| C (Eye I.D.) | 9/16" (14.3 mm) |
| D (Eye Width/Bushing I.D.) | 9/16" (14.3 mm) |
| E (Curvature Rise) | 2" (50.8 mm) |
| Outside Diameter (Bar) | 1-3/4" (44.5 mm) |
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Part Number: 13-104-2
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Material: High-strength forged steel
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Finish: Black powder coat for corrosion resistance
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Application: Tandem-axle leaf spring equalizer
Fitment & Applications:
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Compatible with 3,500–12,000 lb trailer leaf spring packs
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Works with standard 9/16" pivot bolts and bushings
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Used on utility, cargo, flatbed, and equipment trailers