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Boat Trailer Suspension Parts

Below you will see a large selection of Suspension Parts for your Boat Trailer. Before getting overwhelmed select the appropriate sub-category to help narrow down which parts you are looking for. Galvanized and Bolt on Components are more common and relative on Boat Trailers typically in a Saltwater Environment. We also have weld-on suspension components which are perfectly adequate for Boat Trailers in freshwater environments. Of Course a little cross-over is not uncommon. Suspension Parts are very specific to the Type of Leaf Spring you have on your boat Trailer. For direct replacements of parts be sure to check and double check measurements to ensure a proper replacement.   
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Total Items: 121
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Steel Trailer Hex Nut 9/16
Item Sku: 143525
MPN:

9/16" - 18 thread

Steel

Hex Nut
9/16" trailer spring bolt Hex Nut.
$0.91
In Stock
Trailer Leaf Spring Bushing 9/16 inch ID, 11/16 inch OD
Item Sku: 143854
MPN: N/A

Outer Diameter: 11/16 inch

Inner Diameter: 9/16 inch

1 3/4" Length
Spring Bushing for common trailer leaf springs
$1.56
In Stock
Trailer Leaf Spring Bushing 1/2 inch ID, 11/16 inch OD
Item Sku: 100608
MPN: N/A

For 1 3/4" Wide leaf Springs and 1 /2" Spring Bolts

Used with all types of trailer leaf springs

Also ideal for Equalizer Bars
Spring Bushing for common trailer leaf springs
$1.61
In Stock
Trailer Leaf Spring Bushing 9/16 inch ID, 7/8 inch OD
Item Sku: 100626
MPN: N/A

For 1 3/4" Wide leaf Springs and 9/16" Spring Bolts

Used with all types of trailer leaf springs

Also ideal for Equalizer Bars
Spring Bushing for common trailer leaf springs
$2.16
In Stock
Trailer Leaf Spring Shackle Steel 2 1/4 in Center Hole, 3 1/2 in Overall
Item Sku: 100286
MPN: N/A

For Use with 9/16" Leaf Spring Bolts

Used for Double Eye Leaf Springs

Raw Steel Finish Can be Painted to Match your Trailers
Spring Shackle
$2.32
In Stock
Trailer Leaf Spring Shackle Steel 2 1/2 in Center Hole, 3 3/4 in Overall
Item Sku: 100287
MPN: N/A

For Use with 9/16" Leaf Spring Bolts

Used for Double Eye Leaf Springs

Raw Steel Finish Can be Painted to Match your Trailers
Raw Steel Leaf Spring Shackle for 9/16 inch Spring Bolts
$2.56
In Stock
Trailer Leaf Spring Shackle Steel 3 1/8 in Center Hole, 4 3/8 in Overall
Item Sku: 100288
MPN: N/A

For Use with 9/16" Leaf Spring Bolts

Used for Double Eye Leaf Springs

Raw Steel Finish Can be Painted to Match your Trailers
Spring Shackle for 9/16 inch Spring Bolts 3 1/8 inches Center To Center
$2.70
In Stock
3/8
Item Sku: 143693
MPN:

3/8" Trailer Leaf Spring Center Tie Bolt with Nut

Common on 1 3/4" Width Trailer Leaf Springs

Tightens Down to Tie Together Spring Leaves
3/8 Trailer Leaf Spring Center Tie Bolt
Sale
$2.94  $1.29
In Stock
Utility Trailer Weld On Rear Slipper Spring Hanger
Item Sku: 100492
MPN: N/A

Welds to Trailer Frames

For Rear Single Axle Slipper Spring

Raw Steel Finish Can be Painted to Match your Trailers
Slipper Spring Hanger Weld On Rear
$2.96
In Stock
Trailer Leaf Spring Bushing 1/2 inch ID, 7/8  inch OD
Item Sku: 100625
MPN: N/A

For 1 3/4" Wide leaf Springs and 1 /2" Spring Bolts

Used with all types of trailer leaf springs

Also ideal for Equalizer Bars
Spring Bushing for common trailer leaf springs
$3.05
In Stock
Leaf Spring Mounting Bolt 1/2 inch x 3 1/2 inch Stainless Steel
Item Sku: 100280
MPN: N/A

Includes Stainless Steel Nylock Nut

Great For Boat Trailers

Stainless Steel does not rust!
Leaf Spring Mounting Bolt
$3.18
In Stock
9/16 x 3 inch Leaf Spring Bolt , Hard Steel Spring Bolt
Item Sku: 100609
MPN: N/A

Splined Leaf Spring Bolt with Center Lock Nut

Common on Single Axle and Tandem Axle Trailers

For use with 2000lb - 3500lb 5 Lug trailer axles
9/16 x 3 inch Leaf Spring Mounting Bolt
$3.19
In Stock
Leaf Spring Mounting Bolt 1/2 inch x 3 1/2 inch Zinc Plated
Item Sku: 100281
MPN: N/A

Includes Zinc Plated Nylock Nut

Great For Boat Trailers

Common with Most types of Leaf Springs
Leaf Spring Mounting Bolt
$3.26
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 2 1/2 inch Center Hole
Item Sku: 100290
MPN:

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized for Boat Trailer Double Eye Leaf Spring
$3.42
In Stock
Boat Trailer Weld On Rear Spring Hanger
Item Sku: 100489
MPN: N/A

Welds to Trailer Frames

For Rear Double Eye Single Axle Suspension

Raw Steel Finish Can be Painted to Match your Trailers
Spring Hanger Weld On Rear
$3.52
In Stock
9/16 x 3 1/2 inch Leaf Spring Bolt , Hard Steel Spring Bolt
Item Sku: 101083
MPN: N/A

Splined Leaf Spring Bolt with Center Lock Nut

Common on Single Axle and Tandem Axle Trailers

For use with 3500lb-8000lb 5 Lug to 8 Lug trailer axles
9/16 x 3 1/2 inch Leaf Spring Mounting Bolt
$3.52
In Stock
Galvanized 3 Hole Plate small for Boat Trailers
Item Sku: 100485
MPN: N/A

Mounts on U Bolts with 2 5/8" Width

Popular uses: Diagonal Axle u bolt

Hot Dipped Galvanized finish is great for boat trailers
3 Hole Plate small
$3.61
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 2 1/4 inch Center Hole
Item Sku: 100289
MPN: N/A

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized Strap Link for boat Trailer Leaf Spring Suspension
$3.66
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 3 3/4 inch Center Hole
Item Sku: 100292
MPN: N/A

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized for boat Trailer Double Eye Trailer Leaf Spring Suspension
$3.70
In Stock
Trailer Leaf Spring Bushing 9/16 inch ID, 1 inch OD
Item Sku: 100624
MPN: N/A

For 1 3/4" Wide leaf Springs and 9/16" Spring Bolts

Used with all types of trailer leaf springs

Also ideal for Equalizer Bars
Spring Bushing for common trailer leaf springs
$3.76
In Stock
Galvanized Steel Square Trailer Axle Spring Seat for 2 in Square Axles - Bolt On
Item Sku: 143292
MPN:

Galvanized

Fits 2" Square Boat Trailer Axles

No Welding Required
Trailer Axle Galvanized Spring Seat for 2 inch Square Axle
$4.38
In Stock
Boat Trailer Leaf Spring Shackle Galvanized 3 1/2 inch Center Hole
Item Sku: 100291
MPN:

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Shackle Galvanized for Boat Trailer Leaf Spring Suspension
$4.40
In Stock
Trailer Leaf Spring Bushing 1/2 inch ID, 1 inch OD
Item Sku: 100623
MPN: N/A

For 1 3/4" Wide leaf Springs and 1 /2" Spring Bolts

Used with all types of trailer leaf springs

Also ideal for Equalizer Bars
Spring Bushing for common trailer leaf springs
$4.50
In Stock
Galvanized 3 Hole Plate large for Diagonal Axle U Bolts Kits
Item Sku: 100484
MPN: N/A

Mounts on U Bolts with 3 1/16" Width

Popular uses: Diagonal Axle u bolt

Hot Dipped Galvanized finish is great for boat trailers
3 Hole Plate
$4.75
In Stock
Raw Steel Greaseable Trailer Spring Bolt Only 7/8 inch x  4 3/4inch
Item Sku: 143753
MPN:

4 3/4" Length

Fits Standard Sized Grease Guns

Raw Steel Greasable Trailer Spring Bolt Only 7/8" x 4 3/4"
$5.38
In Stock
Galvanized Replacement Leaf Spring Axle U-Bolt Plate
Item Sku: 141505
MPN:

For 2" wide U-bolts

Hot dipped galvanized

For 2" x 2" and 2" x 3" Axles
Replacement for galvanized leaf spring axle U-bolt kit
$5.62
In Stock
Raw Steel Greaseable Trailer Spring Bolt Only 9/16 inch x 3 inch
Item Sku: 143550
MPN:

Raw Steel Spring Bolt

9/16" Diameter

Fits Standard Grease Guns
Raw Steel Greasable Trailer Spring Bolt Only 9/16" - 18 x 3"
$6.02
In Stock
Bolt on Rear Leaf Spring Hanger 2 Hole for Boat Trailer Slipper Springs
Item Sku: 100418
MPN:

Mounts to C Channel Frames with (2) 3/8" x 1 1/4" Bolts

Rear Clamp Hanger for Single Axle Slipper Spring

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Hanger 2 Hole Rear Bolt on Bracket for Slipper Leaf Springs
$6.09
In Stock
9/16 x 3 inch Greasable Leaf Spring Bolt , Hard Steel Spring Bolt
Item Sku: 101084
MPN: N/A

Splined Leaf Spring Bolt with Center Lock Nut

Common on Single Axle and Tandem Axle Trailers

Greasable Leaf Spring Bolt
9/16 x 3 1/2 inch Leaf Spring Mounting Bolt that is Greaseable
$6.23
In Stock
Bolt On Front Leaf Spring Hanger 2 Hole for Boat Trailer Slipper Springs
Item Sku: 100416
MPN:

Mounts to C Channel Frames with (2) 3/8" x 1 1/4" Bolts

Front Hanger for Single Axle Slipper Spring Eye

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Hanger 2 Hole Front
$6.74
In Stock
Boat Trailer Weld On Center Spring Hanger
Item Sku: 100490
MPN: N/A

Welds to Trailer Frames

For Center of Tandem Double Eye Suspenion

Raw Steel Finish Can be Painted to Match your Trailers
Spring Hanger Weld On Center
$6.79
In Stock
Boat Trailer Weld On Front Spring Hanger
Item Sku: 100488
MPN: N/A

Welds to Trailer Frames

For Single Axle Tandem Axle leaf Spring Suspensions

Raw Steel Finish Can be Painted to Match your Trailers
Spring Hanger Weld On Front
$7.25
In Stock
Magic Tilt Boat Trailer Galvanized 4 Hole Front Spring Hanger
Item Sku: 100429
MPN: PK1701

Mounts to I Beam Frames with (4) 3/8" x 1 1/4" Bolts

Front Hanger for Single Axle Double Eye Springs

Front and Back Hanger for Tandem Axle Double Eye Springs
Magic Tilt Boat Trailer Spring Hanger
$7.61
In Stock
Utility Trailer Weld On Center Spring Hanger Long
Item Sku: 100491
MPN: N/A

Welds to Trailer Frames

For Center of Tandem Double Eye Suspenion

Raw Steel Finish Can be Painted to Match your Trailers
Spring Hanger Weld On Center Long
$7.73
In Stock
Painted Steel Boat Trailer Equalizer Bar 5 5/8 inch EQ-104 Rocker Bar
Item Sku: 141716
MPN:

5 5/8" Center to Center on Bottom - 2" Tall

For Tandem and Triple Axle Double Eye Springs

Black Painted Steel Construction
Black Painted Steel Pivot Bar For Tandem Axle Boat Trailers
$7.96
In Stock
Bolt On Front Spring Hanger 4 Hole For Boat Trailer Double Eye Springs
Item Sku: 100417
MPN:

Mounts to I Beam Frames with (4) 3/8" x 1 1/4" Bolts

Front Hanger for Single Axle Double Eye Springs

Front and Back Hanger for Tandem Axle Double Eye Springs
Spring Hanger 4 Hole Front
$8.32
In Stock
Boat Trailer Leaf Spring U-Bolt Plate for 2 3/8 inch Diameter Axles Hot Dipped Galvanized
Item Sku: 143133
MPN:

Galvanized

Fits 2 3/8" diameter Boat Trailer Axles

Galvanized U-Bolt Plate for 2 3/8" Round Axles
$8.63
In Stock
Bolt on Rear Spring Hanger 4 Hole for Boat Trailer Double Eye Leaf Springs
Item Sku: 100419
MPN:

Mounts to I Beam Frames with (4) 3/8" x 1 1/4" Bolts

Rear Hanger for Single Axle Double Eye Springs

Hot Dipped Galvanized Finish Great for Boat Trailers
Spring Hanger 4 Hole rear hanger hot dipped galvanized steel
$10.94
In Stock
Galvanized U-Shaped Boat Trailer Spring Seat for 2 in Square Axles - Bolt On
Item Sku: 143274
MPN: N/A

Galvanized U type Spring Seat

Fits 2" Square Boat Trailer Axles

No Welding Required
Trailer Axle Galvanized Spring Seat for 2 inch Square Axle
$10.99
In Stock
Stainless Steel Boat Trailer Leaf Spring Shackle  2 1/2 inch Center Hole
Item Sku: 101407
MPN: 25421

For Use with 1/2" Leaf Spring Bolts

Used for Double Eye Leaf Springs or U Bolt Plate

Full Stainless Steel - Great for Boat Trailers
Spring Shackle Stainless Steel for Boat Trailer Double Eye Leaf Spring
$11.09
In Stock
1 1/2 inch Diagonal Galvanized Boat Trailer Leaf Spring U-Bolt Kit
Item Sku: 100481
MPN: N/A

Uses 1/2" x 2 5/8" x 3 9/16" U Bolts and 3 Hole Plate

One Kit completes (1) Axle mounts to Leaf springs

Hot Dipped Galvanized Finish Great for Boat Trailers - Includes Hardware
Trailer leaf spring axle u-bolt kit 1 1/2 inch Diagonal
$11.50
In Stock
Painted Steel Boat Trailer Equalizer Bar 7 3/4 inch EQ-E1 Rocker Bar
Item Sku: 141590
MPN:

7 3/4" Center to Center on Bottom - 2 7/8" Tall

For Tandem and Triple Axle Double Eye Springs

Black Painted Steel Construction
Black Painted Steel Pivot Bar For Tandem Axle Boat Trailers
$11.67
In Stock
2 inch Diagonal Galvanized Boat Trailer Leaf Spring U-Bolt Kit
Item Sku: 100480
MPN: N/A

Uses 1/2" x 3 1/16" x 4 5/16" U Bolts and 3 Hole Plate

One Kit completes (1) Axle mounts to Leaf springs

Hot Dipped Galvanized Finish Great for Boat Trailers - Includes Hardware
Trailer leaf spring axle u-bolt kit 2 inch Diagonal
$12.17
In Stock
Galvanized Equalizer Bar 7 3/4 inch EQ-E1 Rocker Bar for Boat Trailer
Item Sku: 100383
MPN: N/A

7 3/4" Center to Center on Bottom - 2 7/8" Tall

For Tandem and Triple Axle Double Eye Springs

Hot Dipped Galvanized Finish Great for Boat Trailers
Galvanized Pivot Bar For Tandem Axle Boat Trailers
$15.71
In Stock
Trailer Leaf Spring U-Bolt Kit Round Steel fits 2 3/8 inch Round Axles
Item Sku: 100284
MPN: N/A

Includes Hardware

For 2 3/8" Round Trailer Axles

U-Bolt Kit Round
$17.81
In Stock
Boat Trailer Galvanized Equalizer Bar 6 1/4 inch EQ-356
Item Sku: 100384
MPN: N/A

6 1/4" Center to Center on Bottom - 2 1/2" Tall

For Tandem and Triple Axle Double Eye Springs

Hot Dipped Galvanized Finish Great for Boat Trailers
Galvanized Pivot Bar or Rocker Bar
$17.84
In Stock
Trailer Leaf Spring Galvanized U-Bolt Kit,Fits 2 x 2 Axle,4 13/16 Long
Item Sku: 100282
MPN: N/A

Includes Galvanized Hardware

For 2" x 2" Trailer Axles

Hot Dipped Galvanized Finish Great for Boat Trailers
Galvanized U-Bolt Kit
$18.54
In Stock
Stainless Steel Leaf Spring U-Bolt Tie Plate
Item Sku: 101413
MPN: 25420

304 Stainless Steel

For 2x2 Axle U Bolt Kits

1/2 inch Diameter Holes
$18.96
In Stock
Trailer Leaf Spring Galvanized U-Bolt Kit,Fits 2 x 2 Axle,4 5/16 Long
Item Sku: 100972
MPN: N/A

Includes Galvanized Hardware

For 2" x 2" Trailer Axles

Hot Dipped Galvanized Finish Great for Boat Trailers
Galvanized U-Bolt Kit
$19.10
In Stock
Trailer Leaf Spring U-Bolt Kit Oiled fits 1 3/4 inch Round Axles
Item Sku: 100460
MPN: N/A

Mounts 1 3/4" Diameter Axles to Leaf Springs

Common with 1400lb to 2200lb Painted Steel Trailer Axles

Includes U Bolts, Plates, and Nuts
Trailer leaf spring axle u-bolt kit fits 1 3/4 inch round axles
$19.11
In Stock
 
 
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