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Troubleshooting Returns Warranty

Bearings, Seals, & Nuts

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6K/7K/8K Rated Inner Bearing [25580]

Hydrastar
$9.90 - $14.30
$9.90 - $14.30
$9.90 - $14.30
$9.90

This 6K/7K/8K Rated Inner Bearing is designed for trailers, ensuring smooth and efficient wheel rotation and enhancing the overall performance of y...

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$9.90 - $14.30
$9.90 - $14.30
$9.90 - $14.30
$9.90
Hydrastar® 7K Rated, Integral TRIPLE Axle Disc Brake Kit (5/8 in.) - Hydrastar

6K/7K/8K Rated Grease Seal [472920]

Hydrastar
$6.60 - $6.60
$6.60
$6.60 - $6.60
$6.60

This 6K/7K/8K Rated Grease Seal is tailored for trailers, offering a robust, leak-proof seal that maintains axle lubrication and safeguards against...

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$6.60 - $6.60
$6.60
$6.60 - $6.60
$6.60
Posi Lube Grease Cap, 1.98", for 3.5k Axle Hubs - Hydrastar Save 33% Save %

Posi Lube Grease Cap, 1.98", for 3.5k Axle Hubs

Hydrastar
$6.59
$6.59 - $6.59
$6.59
$4.40
$4.40 - $4.40
$4.40

Posi Lube Grease Cap 3.5k Rated Press in Grease Cap, Cold Rolled Steel, Galvanized Finish, Includes Rubber Plug shown for easy access to grease yo...

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$6.59
$6.59 - $6.59
$6.59
$4.40
$4.40 - $4.40
$4.40
Save 33% Save %
7K/8K Rated Outer Bearing (5/8 in., 9/16 in.) [02475] - Hydrastar

7K/8K Rated Outer Bearing (5/8 in., 9/16 in.) [02475]

Hydrastar
$9.90 - $15.40
$9.90 - $15.40
$9.90 - $15.40
$9.90

The 7K/8K Rated Outer Bearing is designed for trailers, enhancing wheel rotation and overall towing performance. This bearing is crucial for the re...

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$9.90 - $15.40
$9.90 - $15.40
$9.90 - $15.40
$9.90
6K/7K/8K Rated Carbon Case Spring - Oil Seal [10-63] - Hydrastar
Save 38% Save %

6K/7K/8K Rated Carbon Case Spring - Oil Seal [10-63]

Hydrastar
$28.56
$28.56 - $28.56
$28.56
$17.60
$17.60 - $17.60
$17.60

This 6K/7K/8K Rated Carbon Case Spring - Oil Seal is tailored for trailers, offering a robust, leak-proof seal that maintains axle lubrication and ...

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$28.56
$28.56 - $28.56
$28.56
$17.60
$17.60 - $17.60
$17.60
Save 38% Save %
Hydrastar® 7K/8K Rated Screw-On Oil/Dust Cap - Hydrastar

Hydrastar® 7K/8K Rated Screw-On Oil/Dust Cap

Hydrastar
$8.80 - $8.80
$8.80
$8.80 - $8.80
$8.80

The Hydrastar® 7K/8K Rated Screw-On Oil/Dust Cap is designed for superior protection and compatibility with heavy-duty trailers. It accommodates b...

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$8.80 - $8.80
$8.80
$8.80 - $8.80
$8.80
Posi Lube Grease Cap, 2.717", for 7.0k Axle Hubs - Hydrastar
Save 28% Save %

Posi Lube Grease Cap, 2.717", for 7.0k Axle Hubs

Hydrastar
$7.69
$7.69 - $7.69
$7.69
$5.50
$5.50 - $5.50
$5.50

Posi Lube Grease Cap 7.0k Rated Press in Grease Cap, Cold Rolled Steel, Galvanized Finish, Includes Rubber Plug shown for easy access to grease yo...

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$7.69
$7.69 - $7.69
$7.69
$5.50
$5.50 - $5.50
$5.50
Save 28% Save %
3.5K Rated Grease Seal [GS-171255TB] - Hydrastar
Save 56% Save %

3.5K Rated Grease Seal [GS-171255TB]

Hydrastar
$9.89
$9.89 - $9.89
$9.89
$4.40
$4.40 - $4.40
$4.40

This 3.5K Rated Grease Seal is designed for trailers, offering a secure, leak-proof seal that preserves the axle's lubrication and shields it from ...

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$9.89
$9.89 - $9.89
$9.89
$4.40
$4.40 - $4.40
$4.40
Save 56% Save %
Enclosed Lug Nut 9/16-18" x 1-5/8" - Stainless Lug Nuts {16 PACK} - Hydrastar
Save 12% Save %

Enclosed Lug Nut 9/16-18" x 1-5/8" - Stainless Lug Nuts {16 PACK}

Hydrastar
$53.89
$53.89 - $53.89
$53.89
$47.30
$47.30 - $47.30
$47.30

Acorn lug nut with Enclosed Threads, made to protect your hub studs from Corrosion over time and keep a clean finish over your trailer wheels lifet...

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$53.89
$53.89 - $53.89
$53.89
$47.30
$47.30 - $47.30
$47.30
Save 12% Save %
Posi Lube Grease Cap, 2.44", for 5.2k - 6.0k Axle Hubs - Hydrastar
Save 27% Save %

Posi Lube Grease Cap, 2.44", for 5.2k - 6.0k Axle Hubs

Hydrastar
$6.04
$6.04 - $6.04
$6.04
$4.40
$4.40 - $4.40
$4.40

Posi Lube Grease Cap 5.2k - 6.0k Rated Press in Grease Cap, Cold Rolled Steel, Galvanized Finish, Includes Rubber Plug shown for easy access to gr...

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$6.04
$6.04 - $6.04
$6.04
$4.40
$4.40 - $4.40
$4.40
Save 27% Save %

6K Rated Outer Bearing [15123]

Hydrastar
$7.70 - $12.10
$7.70 - $12.10
$7.70 - $12.10
$7.70

This 6K Rated Outer Bearing is crafted for trailers, specifically designed to enhance wheel rotation and overall towing performance. It plays a cru...

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$7.70 - $12.10
$7.70 - $12.10
$7.70 - $12.10
$7.70
3.5K Rated Outer Bearing [L44649] - Hydrastar

3.5K Rated Outer Bearing [L44649]

Hydrastar
$7.70 - $9.90
$7.70 - $9.90
$7.70 - $9.90
$7.70

This 3.5K Rated Outer Bearing is designed for trailers, aimed at enhancing wheel rotation and the overall towing performance. It's a vital componen...

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$7.70 - $9.90
$7.70 - $9.90
$7.70 - $9.90
$7.70
3.5K Rated Inner Bearing [L68149] - Hydrastar

3.5K Rated Inner Bearing [L68149]

Hydrastar
$7.70 - $9.90
$7.70 - $9.90
$7.70 - $9.90
$7.70

This 3.5K Rated Inner Bearing is designed for trailers, providing smooth and efficient wheel rotation and enhancing the overall performance of your...

View full details
$7.70 - $9.90
$7.70 - $9.90
$7.70 - $9.90
$7.70
Hydrastar® HD 7K/8K Rated Screw-On Rugged Oil Bath Cap, Aluminum Alloy body {303-E78DO-ALC} - Hydrastar
Save 34% Save %

Hydrastar® HD 7K/8K Rated Screw-On Rugged Oil Bath Cap, Aluminum Alloy body {303-E78DO-ALC}

Hydrastar
$54.99
$54.99 - $54.99
$54.99
$36.30
$36.30 - $36.30
$36.30

HYDRASTAR® RUGGED OIL BATH CAP 7K/8K Rated Screw-On Oil/Dust Cap is designed for superior protection and compatibility with heavy-duty trailers. ...

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$54.99
$54.99 - $54.99
$54.99
$36.30
$36.30 - $36.30
$36.30
Save 34% Save %
Axle Spindle Nut, Washer, Cotter Key Kit - 1"-14 Nut, 1" Washer - Hydrastar
Save 15% Save %

Axle Spindle Nut, Washer, Cotter Key Kit - 1"-14 Nut, 1" Washer

Hydrastar
$14.29
$14.29 - $14.29
$14.29
$12.10
$12.10 - $12.10
$12.10

1'-14 Castle Nut, Washer, and Cotter Pin Kit Axle end hardware intended for Industry Standard Axles.  Zinc Plated Finish Kit: Includes (2) 1"-14 Ca...

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$14.29
$14.29 - $14.29
$14.29
$12.10
$12.10 - $12.10
$12.10
Save 15% Save %
Acorn Lug Nut 9/16-18" - Clear Zinc - Cone Seat - - Hydrastar
Save 15% Save %

Acorn Lug Nut 9/16-18" - Clear Zinc - Cone Seat {Pack of 16}

Hydrastar
$21.99
$21.99 - $21.99
$21.99
$18.70
$18.70 - $18.70
$18.70

Acorn lug nut with open end and cone seat design. Height: 3/4" inches Thread: Fits 9/16-18" threaded wheel studs Seat: Compatible with conical ...

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$21.99
$21.99 - $21.99
$21.99
$18.70
$18.70 - $18.70
$18.70
Save 15% Save %
Enclosed Lug Nut 1/2-20" x 1-5/8" - Stainless Lug Nuts {10 PACK} - Hydrastar
Save 21% Save %

Enclosed Lug Nut 1/2-20" x 1-5/8" - Stainless Lug Nuts {10 PACK}

Hydrastar
$47.29
$47.29 - $47.29
$47.29
$37.40
$37.40 - $37.40
$37.40

Acorn lug nut with Enclosed Threads, made to protect your hub studs from Corrosion over time and keep a clean finish over your trailer wheels lifet...

View full details
$47.29
$47.29 - $47.29
$47.29
$37.40
$37.40 - $37.40
$37.40
Save 21% Save %
Flange Lug Nut 5/8"-18 - Clear Zinc - Hydrastar
Save 23% Save %

Flange Lug Nut 5/8"-18 - Clear Zinc

Hydrastar
$38.49
$38.49 - $38.49
$38.49
$29.70
$29.70 - $29.70
$29.70

Flange Lug Nut 5/8"-18 Height: 1" Flange Diameter: 1-9/16" Thread: Fits 5/8-18" threaded wheel studs Seat: Used for Mounting 17.5" Flat Ser...

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$38.49
$38.49 - $38.49
$38.49
$29.70
$29.70 - $29.70
$29.70
Save 23% Save %
Acorn Lug Nut 1/2-20" - Clear Zinc - Cone Seat - Hydrastar

Coned Lug Nut 1/2-20" - Clear Zinc - Cone Seat

Hydrastar
$1.10 - $1.10
$1.10
$1.10 - $1.10
$1.10

Acorn lug nut with open end and cone seat design. Height: 5/8 inches Thread: Fits 1/2"-20 threaded wheel studs Seat: Compatible with conical wh...

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$1.10 - $1.10
$1.10
$1.10 - $1.10
$1.10
VALCRUM® HD 7K/8K Rated Screw-On Oil/Dust Cap, Aluminum Alloy body, ST-2875 - Hydrastar
Sold out

VALCRUM® HD 7K/8K Rated Screw-On Oil/Dust Cap, Aluminum Alloy body, ST-2875

Hydrastar
$60.49
$60.49 - $60.49
$60.49
$44.00
$44.00 - $44.00
$44.00

VALCRUM® 7K/8K Rated Screw-On Oil/Dust Cap is designed for superior protection and compatibility with heavy-duty trailers. It accommodates both 9/...

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$60.49
$60.49 - $60.49
$60.49
$44.00
$44.00 - $44.00
$44.00
Sold out

7K Rated Outer Bearing [14125A]

Hydrastar
$8.80 - $14.30
$8.80 - $14.30
$8.80 - $14.30
$8.80

The 7K Rated Outer Bearing is tailored for trailers, enhancing wheel rotation and overall towing performance. Essential for the reliability and lon...

View full details
$8.80 - $14.30
$8.80 - $14.30
$8.80 - $14.30
$8.80
Coned Open End Lug Nut 1/2-20" - Stainless Steel - Cone Seat {10 PACK} - Hydrastar
Save 20% Save %

Coned Open End Lug Nut 1/2-20" - Stainless Steel - Cone Seat {10 PACK}

Hydrastar
$21.99
$21.99 - $21.99
$21.99
$17.60
$17.60 - $17.60
$17.60

Coned Open End lug nut with open end and cone seat design. Height: 5/8 inches Thread: Fits 1/2"-20 threaded wheel studs Seat: Compatible with c...

View full details
$21.99
$21.99 - $21.99
$21.99
$17.60
$17.60 - $17.60
$17.60
Save 20% Save %
Hydrastar® 9K/10K Rated Screw-On Oil/Dust Cap - Hydrastar

Hydrastar® 9K/10K Rated Screw-On Oil/Dust Cap

Hydrastar
$19.80 - $19.80
$19.80
$19.80 - $19.80
$19.80

The Hydrastar® 9K/10K Rated Screw-On Oil/Dust Cap is designed for superior protection and compatibility with heavy-duty trailers. Rated for SAE 90W...

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$19.80 - $19.80
$19.80
$19.80 - $19.80
$19.80
Hydrastar® 7K/8K Rated Screw-On Oil/Dust Cap, Aluminum Machined - Hydrastar

Hydrastar® 7K/8K Rated Screw-On Oil/Dust Cap, Aluminum Machined

Hydrastar
$64.90 - $64.90
$64.90
$64.90 - $64.90
$64.90

The Hydrastar® 7K/8K Rated Screw-On Oil/Dust Cap Aluminum Machined Cap is designed for heavy-duty trailers and long haulers. This cap is solid alu...

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$64.90 - $64.90
$64.90
$64.90 - $64.90
$64.90