It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same 3500lbs Tandem Trailer Axle Suspension Kit Leaf Springs U-bolt + Hanger Set
Description:
- 100% Brand New
- Easy Installation
- Trailer springs made of strong steel plate, stable transmission
- Extra rust-proof coating added to handle harsh environments
- Design from professional factory , Improved performance
- Precision Design, Direct Replacement: Fits For SW4B
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same
- 1750lbs capacity per each spring, for standard 3500lbs 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.
- Include 3500lbs axle U-bolt kit for 2-3/8" dia round trailer axles, Kit include: 8 x 5-1/2" long U bolts, U bolts dia. 1/2"; 4 x tie plates for 1-3/4" leaf springs; 16 x 1/2"-20 hex nuts.
- Include Complete tandem trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x EQ-E1 equalizers, 6 x 3" tall hangers, 8 x shackle straps, 14 x 9/16"Diameter x3" long shackle bolts and locknuts.
Package Content:
- 4x Tie Plates for 1-3/4" Leaf Springs
- 8x 5-1/2" Long U Bolts
- 2x EQ-E1 Equalizers
- 16x 1/2"-20 Hex Nuts & 16x Spring Washers
- 6x 3" Tall Hangers
- 14x 3" Long x 9/16" Diameter Shackle Bolts
- 8x Shackle Straps
- 14x 9/16" Diameter Lock Nuts
- 4x Leaf Springs
Warm Tips: If a leaf spring is cracked or broken, it should be replaced immediately. We recommend using a wire brush to remove debris and dirt caked on the spring to aid in visual inspection.
Item SpecificsWarranty 6 MonthsCapacity Spring 1750 lb Capacity Per Spring; For 3,500 lbs TrailersReplace for For PR4B, 124903, 9150014, 93184, SW4B, 72-42, LIB-401-DE, UNA212Eye to Eye length 25-1/4 inchFree open 3 inchWidth of leaf 1-3/4 inchLeaf Thickness 5/16 inchSize of axle U-bolt 2-3/8" diaManufacturer Part Number R821463EAN Does Not ApplyUPC 6940981281170Brand RacingcarpartshomeOther Type Trailer Leaf SpringMaterial SteelType Leaf Spring Hanger Kit Equalizer Shackle Strap U-BoltMounting hardware Included YesInstallation Method Screw OnFeatures High StrengthFinish Anti-Rust OilPackage Include 1 4PCS Trailer Leaf Spring 4 Leaf Double EyePackage Include 2 Complete Tandem trailer axle hanger kitPackage Include 3 3500lbs Axle U-bolt Kit 3500lbs Tandem Trailer Axle Suspension Kit Leaf Springs U-bolt + Hanger Set
Description:
- 100% Brand New
- Easy Installation
- Trailer springs made of strong steel plate, stable transmission
- Extra rust-proof coating added to handle harsh environments
- Design from professional factory , Improved performance
- Precision Design, Direct Replacement: Fits For SW4B
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same
- 1750lbs capacity per each spring, for standard 3500lbs 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.
- Include 3500lbs axle U-bolt kit for 2-3/8" dia round trailer axles, Kit include: 8 x 5-1/2" long U bolts, U bolts dia. 1/2"; 4 x tie plates for 1-3/4" leaf springs; 16 x 1/2"-20 hex nuts.
- Include Complete tandem trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x EQ-E1 equalizers, 6 x 3" tall hangers, 8 x shackle straps, 14 x 9/16"Diameter x3" long shackle bolts and locknuts.
Package Content:
- 4x Tie Plates for 1-3/4" Leaf Springs
- 8x 5-1/2" Long U Bolts
- 2x EQ-E1 Equalizers
- 16x 1/2"-20 Hex Nuts & 16x Spring Washers
- 6x 3" Tall Hangers
- 14x 3" Long x 9/16" Diameter Shackle Bolts
- 8x Shackle Straps
- 14x 9/16" Diameter Lock Nuts
- 4x Leaf Springs
Warm Tips: If a leaf spring is cracked or broken, it should be replaced immediately. We recommend using a wire brush to remove debris and dirt caked on the spring to aid in visual inspection.
Item SpecificsWarranty 6 MonthsCapacity Spring 1750 lb Capacity Per Spring; For 3,500 lbs TrailersReplace for For PR4B, 124903, 9150014, 93184, SW4B, 72-42, LIB-401-DE, UNA212Eye to Eye length 25-1/4 inchFree open 3 inchWidth of leaf 1-3/4 inchLeaf Thickness 5/16 inchSize of axle U-bolt 2-3/8" diaManufacturer Part Number R821463EAN Does Not ApplyUPC 6940981281170Brand RacingcarpartshomeOther Type Trailer Leaf SpringMaterial SteelType Leaf Spring Hanger Kit Equalizer Shackle Strap U-BoltMounting hardware Included YesInstallation Method Screw OnFeatures High StrengthFinish Anti-Rust OilPackage Include 1 4PCS Trailer Leaf Spring 4 Leaf Double EyePackage Include 2 Complete Tandem trailer axle hanger kitPackage Include 3 3500lbs Axle U-bolt Kit
Payment We only accept Payment and other payments through .
Credit Cards processed by .
Shipping Item will be shipped from our USA warehouse which located in California / New Jersey / Atlanta / Houston by UPS / Fedex / USPS within 1-3 business days.
Domestic orders usually takes 1-5 days to arrive.
Please make sure your address is the right address in before payment.
All Friday orders will be shipped on next Monday morning.
Return 60 days Money-Back Guarantee.
You can return the UNUSED item back to us for a full refund.
Please contact us for return process before you return the item.
If we sent wrong item, we will pay for return shipping fee.
If buyer ordered wrong item or the item not fits for your car, buyer pays return shipping fee.
30 daysmoney back,buyer pays return shipping response Your response is very important to us!
Do not hesitate to contact us before leaving any neutral or negative response.
Customer Please feel free to contact us by message.
All messages will be replied within 1 business day.
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Description:
- 100% Brand New
- Easy Installation
- Trailer springs made of strong steel plate, stable transmission
- Extra rust-proof coating added to handle harsh environments
- Design from professional factory , Improved performance
- Precision Design, Direct Replacement: Fits For SW4B
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same
- 1750lbs capacity per each spring, for standard 3500lbs 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.
- Include 3500lbs axle U-bolt kit for 2-3/8" dia round trailer axles, Kit include: 8 x 5-1/2" long U bolts, U bolts dia. 1/2"; 4 x tie plates for 1-3/4" leaf springs; 16 x 1/2"-20 hex nuts.
- Include Complete tandem trailer axle hanger kit for 1-3/4" leaf springs, Kit include: 2 x EQ-E1 equalizers, 6 x 3" tall hangers, 8 x shackle straps, 14 x 9/16"Diameter x3" long shackle bolts and locknuts.
Package Content:
- 4x Tie Plates for 1-3/4" Leaf Springs
- 8x 5-1/2" Long U Bolts
- 2x EQ-E1 Equalizers
- 16x 1/2"-20 Hex Nuts & 16x Spring Washers
- 6x 3" Tall Hangers
- 14x 3" Long x 9/16" Diameter Shackle Bolts
- 8x Shackle Straps
- 14x 9/16" Diameter Lock Nuts
- 4x Leaf Springs
Warm Tips: If a leaf spring is cracked or broken, it should be replaced immediately. We recommend using a wire brush to remove debris and dirt caked on the spring to aid in visual inspection.
PaymentShippingReturnresponseCustomer We only accept Payment and other payments through .
Credit Cards processed by .
Item will be shipped from our USA warehouse which located in California / New Jersey / Atlanta / Houston by UPS / Fedex / USPS within 1-3 business days.
Domestic orders usually takes 1-5 days to arrive.
Please make sure your address is the right address in before payment.
All Friday orders will be shipped on next Monday morning.
60 days Money-Back Guarantee.
You can return the UNUSED item back to us for a full refund.
Please contact us for return process before you return the item.
If we sent wrong item, we will pay for return shipping fee.
If buyer ordered wrong item or the item not fits for your car, buyer pays return shipping fee.
30 daysmoney back,buyer pays return shipping Your response is very important to us!
Do not hesitate to contact us before leaving any neutral or negative response.
Please feel free to contact us by message.
All messages will be replied within 1 business day.
On Aug 19, 2026 at 17:56:40 PDT, seller added the following information:
