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Boat Trailer Axle Parts

This Category contains replacement parts for securing boat trailer hubs on the Axles Spindle. These products are intended for use with most industry standard trailer axles. In addition, you will notice that the Dexter Galvanized Axles that we sell, as well as the Rockwell Painted Steel Axles use these components. 
Total Items: 39
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Trailer Axle Castle Nut 1
Item Sku: 100883
MPN: N/A

Castle Nut for Galvanized and Painted Steel Axles

Screws on Spindles for 2200lb, 3500lb, 5200lb, 6000lb, and 7000lb Axles

Fits most Brands of Axles
Trailer Axle Spindle Castle Style Nut for 1 inch Spindles
$3.53
In Stock
Trailer Axle Tang Washer for 1
Item Sku: 100884
MPN: N/A

Tang Washer for Axles with Flat Spot and Castle Nut

Features two tabs for securing into Castle Nut

Fits most Brands of Axles
1" D Style Tang Washer with Bendable Flap
$1.59
In Stock
Trailer Axle D Washer for 1
Item Sku: 100885
MPN: N/A

D Washer for Axles with Flat Spot and Castle Nut

Used with Tang Washer and Castle Nut

Fits most Brands of Axles
D Washer for Trailer Axle Spindle to Secure Bearings
$2.69
In Stock
Trailer Axle Round Washer for 1
Item Sku: 100886
MPN: N/A

Round Washer for Spindles with Cotter Key and Castle Nut

Fits on Spindles for 2200lb, 3500lb, 5200lb, 6000lb, and 7000lb Axles

Fits most Brands of Axles
Spindle Washer for Trailer Axle Spindle to Secure Bearings
$1.25
In Stock
Tie Down Engineering Spindle for 3500lb Torsion Axles #84 Spindle
Item Sku: 100889
MPN: N/A

Uses Wheels Bearings 1 3/8" (68149) x 1 1/16" (44649)

Mounts 5 Lug 3500lb Trailer Hubs

Includes Castle Nuts, Washers and Cotter Pins
Replacement Tie Down Engineering Spindle for 3500lb Removable Torsion
$71.88
In Stock
Tie Down Engineering Spindle for 5200lb Torsion Axles #42 Spindle
Item Sku: 100890
MPN: N/A

Uses Wheels Bearings 1 3/4" (25520) x 1 1/4" (15123)

Mounts 6 Lug 5200lb Trailer Hubs

Includes Castle Nuts, Washers and Cotter Pins
Replacement Tie Down Engineering Spindle for 5200lb Removable Torsion
$94.37
In Stock
Trailer Spindle Nut Cage for Galvanized Trailer Axles
Item Sku: 100970
MPN: N/A

Spindle Nut Cage for Dexter Galvanized Axles

Use Spindle Nut Cage with Spindle Nut, and D Washer

Fits 2200lb and 3500lb Dexter Galvanized Axles
Locking Cage for Dexter Galvanized Axles
$7.87
In Stock
Trailer Axle Spindle Nut 1
Item Sku: 100975
MPN: N/A

Spindle Nut for Galvanized and Painted Steel Axles

Screws on Spindles for 2200lb, 3500lb, 5200lb, 6000lb, and 7000lb Axles

Fits most Brands of Axles
Trailer Axle Spindle Castle Style Nut for 1 inch Spindles
$4.85
In Stock
Trailer Axle Zinc Plated Cotter Key 1/8
Item Sku: 101031
MPN: N/A

Secures Axle Castle Nuts through hole in the spindle

Great for 2200lb, 3500lb, 5200lb, 6000lb, and 7,000lb Axles

Simply stick through and bend in place
Trailer Axle Zinc Plated Cotter Zey
$0.51
In Stock
Trailer Spindle For 3500 lb Axle  #84 2 inch Round
Item Sku: 101130
MPN: R30684

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with 2 inch Round Stub
Weld in trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings
Sale
$38.21  $31.26
In Stock
Trailer Axle Spindle For 3500 lb Axle  #84 1.5 inch Round
Item Sku: 101131
MPN: R20484-1.5-AL

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with 1.5 inch Round Stub
Weld in trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings
Sale
$34.00  $33.26
In Stock
Trailer Axle Spindle For 3500 lb Axle  #84 1.5 inch Square
Item Sku: 101132
MPN: SP20484M

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with 1.5 inch Square Stub
Weld in trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings
Sale
$13.45  $7.78
Item is out of stock
Trailer Axle Spindle For 3500 lb Axle #84 Drop Axle Style
Item Sku: 101133
MPN: R30684

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with Drop Axle Stub
Weld in trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings
Sale
$35.90  $31.06
In Stock
Trailer Axle Spindle BT16 For 1 1/16
Item Sku: 101148
MPN: 98848

Weld In Trailer spindle For 2K trailer Axles
$29.23
In Stock
Weld In Trailer Axle Spindle #42 For 6 Lug and 8 Lug Axles
Item Sku: 101149
MPN: 98852

Uses 1 3/4" (25580) x 1 1/4" (15123) Bearings

Uses Grease Seal with 2 1/4" ID

Weld in Spindle with 2 inch Round Stub
Replacement trailer spindles 1 1/4" x 1 3/4" Spindle #42
Sale
$44.79  $35.99
In Stock
Trailer Spindle For 3500 lb Axle #84 Weld On 1 1/2 inch Round with Brake Flange
Item Sku: 141559
MPN:

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with 1.5 inch Round Stub and Brake Flange
Weld in Trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings with Brake Flange
$34.79
In Stock
Trailer Spindle For 3500 lb Axle #84 Weld On 1 7/16 inch Round with Brake Flange
Item Sku: 141558
MPN:

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with 1 7/16 inch Round Stub and Brake Flange
Weld in Trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings with Brake Flange
$37.84
In Stock
Trailer Axle Spindle For 3500 lb Axle #84 Weld On 1 1/2 inch Round
Item Sku: 141579
MPN:

Uses 1 3/8" (68149) x 1 1/16" (44649) Bearings

Uses Grease Seal with 1.72" ID

Weld in Spindle with 1.5 inch Round Stub
Weld in Trailer Spindle for 1 1/16 and 1 3/8 Wheel Bearings
$34.78
In Stock
Weld-In Trailer Spindle #42 6 Lug and 8 Lug Hubs with 5 Hole Flange
Item Sku: 141587
MPN:

Uses 1 3/4" (25580) x 1 1/4" (15123/14125A) Bearings

Uses Grease Seal with 2 1/4" ID

Weld in Spindle with 2 1/4 inch Round Stub and Brake Flange
Trailer Spindle Replacement 1 1/4" x 1 3/4" Spindle #42 6 or 8 Lug with Brake Flange
Sale
$66.64  $57.67
In Stock
Trailer Axle Castle Nut 1
Item Sku: 141620
MPN:

Castle Nut for Galvanized and Painted Steel Axles

Screws on Spindles for 2200lb, 3500lb, 5200lb, 6000lb, and 7000lb Axles

Fits most Brands of Axles
Trailer Axle Spindle Castle Style Nut 12 Slot for 1 inch Standard Spindles
$4.66
In Stock
Trailer Spindle for 2,000 lb BT8 Axle Weld On 1 1/4 inch Round
Item Sku: 143259
MPN:

Weld-on butt end measures 1 1/4 inch diameter x 3 3/4 inch Length

Spindle Measures 8 3/4 inches overall

1" (44643 bearing) x 1" (44643 bearing) combination
Weld On 2,000 lb 1 1/4" Trailer Axle Spindle 44649 (1") Bearings
$15.70
In Stock
Dexter Axle Replacement Trailer Wear Sleeve for #42 Spindle
Item Sku: 143272
MPN:

Replacement Wear Sleeve for Dexter Axles with #42 Spindles

Presses on to 5,200 lb - 7,000 lb Dexter Axles

Fits Dexter Axles
#42 Spindle Wear Sleeve
$9.84
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
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
$4.89
In Stock
Trailer Axle Castle Nut 3/4 inch for Trailer Spindles
Item Sku: 143328
MPN:

Trailer Axle 3/4 inch castle nut

Raw steel castle nut

Requires a Cotter Key and Spindle Washer
Trailer Axle Spindle Castle Style Nut for 3/4 inch Spindles
$3.22
In Stock
Trailer Axle Spindle for 3,500 lb #84 Axle Weld On 1 1/2 inch Square
Item Sku: 143378
MPN:

Weld-on square butt end measures 1 1/2 inch Diameter x 4 inch Length

1 1/16" (44649 bearing) x 1 3/8" (68149 bearing) combination

1.72" Inner Diameter seal surface
Weld On 3,500 lb 1 1/2" Square Trailer Axle Spindle
Sale
$11.45  $6.46
Out of Stock
Trailer Spindle for 3,500 lb #84 Axle Weld On 1 3/4 inch Round with Brake Flange
Item Sku: 143401
MPN:

Weld-on butt end measures 1 3/4 inch diameter x 2 5/8 inch Length

1 1/16" (44649 bearing) x 1 3/8" (68149 bearing) combination

1.72" Inner Diameter seal surface
Weld On 3,500 lb 1 3/4" Trailer Axle Spindle with Brake Flange
$36.66
In Stock
Dexter Axle Replacement Trailer Wear Sleeve for #84 Spindle
Item Sku: 143491
MPN:

Replacement Wear Sleeve for Dexter Axles with #84 Spindles

Presses on to 3,500 lb Dexter Axles

Fits Dexter Axles
#84 Spindle Wear Sleeve
Sale
$9.47  $8.47
In Stock
Trailer Axle Castle Nut 7/8 inch UNF for Trailer Equalizer Bars
Item Sku: 143497
MPN:

7/8 - 14 Fine Thread Trailer Castle Nut

Steel Construction

Fits 7/8" diameter trailer bolts
Trailer Axle Spindle Castle Style Nut for 7/8" Bolts.
Sale
$7.73  $4.32
In Stock
Trailer Axle Castle Nut 7/8 inch UNC for Trailer Equalizer Bars
Item Sku: 143499
MPN:

7/8 - 9 Coarse Thread Trailer Castle Nut

Steel Construction

Fits 7/8" diameter trailer bolts
Trailer Axle Spindle Castle Style Nut for 7/8" Bolts.
$2.94
In Stock
Dexter Axle Replacement Trailer Wear Sleeve for UHI Hubs
Item Sku: 143505
MPN:

Replacement Wear Sleeve for Dexter Axles with #84 Spindles and UHI Hubs

Presses on to 3,500 lb Dexter Axles

Fits Dexter Axles
UHI Hub Wear Sleeve
$9.60
In Stock
Trailer Axle Tang Washer for 1 1/2
Item Sku: 143520
MPN: N/A

1 1/2" Tang Washer

Used on 9k - 10k axles

- B Style Tang Washer
1.5" B Style Tang Washer
Sale
$3.88  $1.70
In Stock
Stainless Steel Cotter Key 1/8 x 2 inch for Stainless Steel Roller Shafts
Item Sku: 143549
MPN:

Stainless Steel Trailer Axle Cotter Key
$0.42
In Stock
Trailer Spindle Retainer Nut Cage for 13/16
Item Sku: 143578
MPN:

for 13/16" Trailer Spindles

Retainer Cage locks spindle hardware in position

Trailer Spindle Nut Cage 13/16" Spindles
$6.13
In Stock
Trailer Axle Spindle Nut 13/16
Item Sku: 143696
MPN:

13/16" - 20 Trailer Spindle Nut

for use on 13/16" 'round' Style Trailer Spindles

Not for use with cotter pins
Spindle Nut for 13/16" 'D' Style Trailer Spindles
$5.70
In Stock
Trailer Axle D Washer for 8,000-9,000lb Axles with 1
Item Sku: 143700
MPN:

1" Inner Diameter

Fits 7k-8k Accu Lube Axles

D Style Washer
D Washer for 7k-8k AccuLube Trailer Axles
Sale
$2.15  $0.81
Out of Stock
Spindle Washer 3/4
Item Sku: 143718
MPN:

$1.56
In Stock
Trailer Axle Spindle for 3,500 lb #84 Axle Butt Weld with Brake Flange
Item Sku: 143734
MPN:

Butt Weld Spindle Fits into 2 3/8 inch diameter tubing

1 1/16" (44649 bearing) x 1 3/8" (68149 bearing) combination

1.72" Inner Diameter seal surface
3,500 lb Butt Weld Trailer Axle Spindle with Brake Flange
$16.04
Out of Stock
Weld In Trailer Axle Spindle BT8 For 1
Item Sku: 143745
MPN:

2,000lb Capacity Weld in Trailer Spindle

Uses Bearings 44643 for 1" Spindles

Accomodates 1 1/4" Inner Diameter Grease Seal
Weld In Trailer spindle BT8 For 1" Bearing 2K trailer Axles
Sale
$44.58  $27.86
In Stock
 
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