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Home>Categories>Boat Trailer Axles and Hubs>Boat Trailer Hubs and Dust Caps>Boat Trailer Dust Caps and Install Tools

Boat Trailer Dust Caps and Install Tools

Dust Caps, also referred to as Grease Caps, are essential for keeping debris and dirt away from your trailers wheel bearings, keeping grease in, and water out. Below you see 2 Types of Dust Caps, the standard trailer dust cap and the Posi Lube (or Accu Lube) dust cap. Each dust cap is used specifically for a certain style of axle and desired greasing method. With the Standard dust cap you do not have the ability to grease your bearings unless you remove the dust cap. The Posi Lube Grease Cap allows you to remove the center plug and access your axles grease fitting (if you have a Posi Lube Axle). Posi Lube Axles have Manufacturer installed grease fittings on the spindles the allow for optimal greasing of trailer bearings. 
Both of these Dust Caps are different than Boat Trailer Bearing Buddys. 
Total Items: 23
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Replacement Trailer Dust Cap Accu-Lube Plug or EZ Lube Plug
Replacement Trailer Dust Cap Accu-Lube Plug or EZ Lube Plug
Item Sku: 100406
MPN: N/A

Fits 1.98, 2.441, 2.717 Accu Lube Style Dust Caps

Rubber Replacement Plug

Used on Accu Lube or Posi Lube Trailer Axles
Accu-Lube Plug
$1.32
In Stock
1.98 Dust Cap Fits Most 4 Lug and 5 Lug Trailer Hubs
1.98 Dust Cap Fits Most 4 Lug and 5 Lug Trailer Hubs
Item Sku: 100398
MPN: N/A

Fits Standard 4 Lug and 5 Lug Trailer Hubs with 1.98" Opening

Zinc Plated Finish for corrosion resistance

Ideal for keeping grease in an dirt out of your bearing chamber
Trailer Hub Dust Cap 1.98
$1.86
In Stock
2.441 Zinc Plated Trailer Dust Cap Fits Most 6 Lug Trailer Hubs
2.441 Zinc Plated Trailer Dust Cap Fits Most 6 Lug Trailer Hubs
Item Sku: 100402
MPN: N/A

Fits Standard 6 Lug Trailer Hubs with 2.441" Opening

Zinc Plated Finish for corrosion resistance

Ideal for keeping grease in an dirt out of your bearing chamber
Dust Cap 2.441
$2.70
In Stock
Zinc Plated 2.717 inch Trailer Dust Cap fits most 8 Lug Trailer Hubs
Zinc Plated 2.717 inch Trailer Dust Cap fits most 8 Lug Trailer Hubs
Item Sku: 100404
MPN: N/A

Fits Standard 8 Lug Trailer Hubs with 2.717" Opening

Zinc Plated Finish for corrosion resistance

Ideal for keeping grease in an dirt out of your bearing chamber
Dust Cap 2.717 inch Zinc Plated
$3.03
In Stock
1.98 Accu-Lube Dust Cap, EZ Lube Fits Most 4 Lug and 5 Lug Trailer Hubs
1.98 Accu-Lube Dust Cap, EZ Lube Fits Most 4 Lug and 5 Lug Trailer Hubs
Item Sku: 100399
MPN: N/A

Fits Standard 4 Lug and 5 Lug Trailer Hubs with 1.98" Opening

Zinc Plated Finished and Removable Center Plug to Access Grease Fitting

Used on Accu Lube or Posi Lube Trailer Axles
Dust Cap 1.98 Accu-lube
$3.12
In Stock
Replacement Trailer Accu-lube Dust Cap Plug Yellow Silicone
Replacement Trailer Accu-lube Dust Cap Plug Yellow Silicone
Item Sku: 143107
MPN:

Replacement Silicone Dust Cap Plug

Fits 1.98" (4 or 5 lug) Trailer Dust Caps

Yellow Silicone Trailer Dust Cap Plug
$3.39
In Stock
2.441 inch Trailer Dust Cap Accu-lube Fits most 6 Lug Trailer Hubs
2.441 inch Trailer Dust Cap Accu-lube Fits most 6 Lug Trailer Hubs
Item Sku: 100403
MPN: N/A

Fits Standard 6 Lug Trailer Hubs with 2.441" Opening

Zinc Plated Finished and Removable Center Plug to Access Grease Fitting

Used on Accu Lube or Posi Lube Trailer Axles
Dust Cap 2.441 inch Accu-lube
$3.41
In Stock
Replacement Rubber Oil Plug for Trailer Oil Caps Dexter 46-32
Replacement Rubber Oil Plug for Trailer Oil Caps Dexter 46-32
Item Sku: 143433
MPN:

Replacement Oil Cap Plug for Dexter Oil Caps.
$3.51
In Stock
Zinc Plated 2.717 in Accu-Lube Trailer Dust Cap fits most 8 Lug Hubs
Zinc Plated 2.717 in Accu-Lube Trailer Dust Cap fits most 8 Lug Hubs
Item Sku: 100405
MPN: N/A

Fits Standard 8 Lug Trailer Hubs with 2.717" Opening

Zinc Plated Finished and Removable Center Plug to Access Grease Fitting

Used on Accu Lube or Posi Lube Trailer Axles
Dust Cap 2.717 inch Zinc Plated Accu-Lube
$3.82
In Stock
1.98 Accu-Lube Dust Cap Stainless Steel Fits Most 5 Lug Trailer Hubs
1.98 Accu-Lube Dust Cap Stainless Steel Fits Most 5 Lug Trailer Hubs
Item Sku: 100401
MPN: N/A

Fits Standard 4 Lug and 5 Lug Trailer Hubs with 1.98" Opening

Stainless Steel does not rust!

Great for Boat Trailers - Stainless Steel Does Not Rust
Dust Cap 1.98 Accu-lube Stainless Steel
$5.24
In Stock
1.98 Stainless Steel Dust Cap With Yellow Silicone Plug for Posi Lube, Accu-Lube, EZ Lube Axles.
1.98 Stainless Steel Dust Cap With Yellow Silicone Plug for Posi Lube, Accu-Lube, EZ Lube Axles.
Item Sku: 100401
MPN: N/A

Fits Standard 4 Lug and 5 Lug Trailer Hubs with 1.98" Opening

Stainless Steel does not rust and premium silicone plug will not rot out!

Great for Boat Trailers - Stainless Steel Does Not Rust
Dust Cap 1.98 Accu-lube Stainless Steel
$6.04
In Stock
Replacement Trailer Oil Cap 21-35 for 6,000 - 8,000lb Dexter Axles
Replacement Trailer Oil Cap 21-35 for 6,000 - 8,000lb Dexter Axles
Item Sku: 143430
MPN:

$7.99
In Stock
Replacement Trailer Oil Cap 21-36 for 9,000 - 15,000lb Dexter Axles
Replacement Trailer Oil Cap 21-36 for 9,000 - 15,000lb Dexter Axles
Item Sku: 143426
MPN:

$9.12
In Stock
2.441 Accu-Lube Dust Cap Stainless Steel Fits Most 6 Lug Trailer Hub
2.441 Accu-Lube Dust Cap Stainless Steel Fits Most 6 Lug Trailer Hub
Item Sku: 100974
MPN: N/A

Fits Standard 6 Lug Trailer Hubs with 2.441" Opening

Stainless Steel does not rust!

Great for Boat Trailers - Stainless Steel Does Not Rust
6 Lug Stainless Steel Dust Ez Lube Dust Cap
$10.04
In Stock
2.717 Accu-Lube Dust Cap Stainless Steel Fits Most 8 Lug Trailer Hubs
2.717 Accu-Lube Dust Cap Stainless Steel Fits Most 8 Lug Trailer Hubs
Item Sku: 101042
MPN: N/A

Fits Standard 8 Lug Trailer Hubs with 2.717" Opening

Stainless Steel does not rust!

Great for Boat Trailers - Stainless Steel Does Not Rust
8 Lug Stainless Steel Dust Ez Lube Dust Cap
$10.89
In Stock
1.98 Trailer Dust Cap Install Tool for 1.98 Boat Trailer Dust Caps
1.98 Trailer Dust Cap Install Tool for 1.98 Boat Trailer Dust Caps
Item Sku: 100451
MPN: N/A

Mounts 1.98 Dust Caps Standard and Accu Lube

Simply use Hammer or Mini Sledge to pound in Dust Cap

This tools installs and removes dust caps
Dust Cap Install tool 1.98
$13.42
In Stock
2.441 Trailer Dust Cap installation Tool for 2.441 Boat Trailer Dust Caps
2.441 Trailer Dust Cap installation Tool for 2.441 Boat Trailer Dust Caps
Item Sku: 100452
MPN: N/A

Mounts 2.441 Dust Caps Standard and Accu Lube

Simply use Hammer or Mini Sledge to pound in Dust Cap

This tools installs and removes dust caps
Dust Cap Install tool 2.441
$13.43
In Stock
2.717 Trailer Dust Cap installation Tool for 2.717 Boat trailer Dust Caps
2.717 Trailer Dust Cap installation Tool for 2.717 Boat trailer Dust Caps
Item Sku: 100453
MPN: N/A

Mounts 2.717 Dust Caps Standard and Accu Lube

Simply use Hammer or Mini Sledge to pound in Dust Cap

This tools installs and removes dust caps
Dust Cap Install tool 2.717
$13.47
In Stock
Replacement Trailer Oil Cap 8001 for 7,000lb - 9,000lb Kodiak Disc Brakes
Replacement Trailer Oil Cap 8001 for 7,000lb - 9,000lb Kodiak Disc Brakes
Item Sku: 143251
MPN:

$18.96
In Stock
Dexter Marine Vortex Replacement Dust Cap for 3,500 lb Threaded Trailer Hub
Dexter Marine Vortex Replacement Dust Cap for 3,500 lb Threaded Trailer Hub
Item Sku: 143151
MPN: 021-261-01

Tie Down Engineering PN 021-261-01

For 3500lb 5 Lug threaded Vortex Hubs

Tie Down Vortex Hub Dust Cap for 5 Lug Hub
$20.41
In Stock
Boat Trailer Oil Cap 21-88 for 8 Lug 9,000-10,000lb Dexter Axles
Boat Trailer Oil Cap 21-88 for 8 Lug 9,000-10,000lb Dexter Axles
Item Sku: 141612
MPN: 21-88

Includes O Ring and Rubber Plug

Clear Plastic for Easy Oil Level Monitoring

Threaded Installation
Redline Oil Cap for 8 Lug Dexter Axles
$24.08
In Stock
Replacement Trailer Oil Cap 48399A for 3,500lb Turbo Lube Dexter Marine Hubs
Replacement Trailer Oil Cap 48399A for 3,500lb Turbo Lube Dexter Marine Hubs
Item Sku: 143431
MPN:

$26.13
In Stock
Replacement Trailer Oil Cap 12011-1 for 9,000 - 16,000lb Axles
Replacement Trailer Oil Cap 12011-1 for 9,000 - 16,000lb Axles
Item Sku: 143427
MPN:

$29.49
In Stock
 
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