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Wheel End Parts

Keep your rig rolling smoothly with top-notch semi-truck wheel end parts. Discover a wide selection of premium replacement wheel bearings, seals, hubs, and more at 4 State Trucks. Whether you're facing uneven tire wear or annoying wheel vibrations, our high-quality parts ensure safety and performance on every trip.
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  • FREE SHIPPING OVER $249
    6 Hole Aluminum Trailer Oiler Hubcap With 5.5 Inch Bolt Circle Replaces 3404009, 1643

    6 Hole Aluminum Trailer Oiler Hubcap With 5.5 Inch Bolt Circle Replaces 3404009, 1643

    DUAL DYNAMICS

    $66.29
    Heavy-Duty Aluminum Oil Hubcap with Advanced Venting SystemProtect your wheel-ends with these aluminum oil hubcaps. Built with advanced venting technology and durable Lexan windows, this lightweight...
    29-050913
    SKU:
    29-050913
    Diameter Options:
    5 1/2 Inch
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Wheels
    $66.29
    Qty in Cart: 0
    Price:
    $66.29
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Black Hubcap Oiler Plug

    TPHD Black Hubcap Oiler Plug

    TPHD

    $4.50
    Oil Hubcap PlugDirect replacement oil plug designed for standard hub cap applications. Features durable black construction and secure thread pattern for reliable sealing.* High Quality Oil Hubcap...
    29-050907
    SKU:
    29-050907
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $4.50
    Qty in Cart: 0
    Price:
    $4.50
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Hub Cap Oiler Window Kit

    TPHD Hub Cap Oiler Window Kit

    TPHD

    $7.02
    Hub Cap Oiler Window KitDirect replacement window kit for 6-bolt pattern hub caps, providing easy oil level visibility.* High Quality Hubcap Kit* 6 Bolt* Sold Individually* Warranty On Hubcap Against...
    29-050906
    SKU:
    29-050906
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $7.02
    Qty in Cart: 0
    Price:
    $7.02
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Hubcap Oiler Plug

    TPHD Hubcap Oiler Plug

    TPHD

    $3.23
    Standard Replacement Plug For 6 Hole Pattern Hub CapsStandard oil plug designed for 6-hole pattern hub caps. Features quick installation and secure seal for reliable performance.* High Quality Hubcap...
    29-050905
    SKU:
    29-050905
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $3.23
    Qty in Cart: 0
    Price:
    $3.23
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Hubcap W/Side Fill Plug, 6 Hole

    TPHD Hubcap W/Side Fill Plug, 6 Hole

    TURNPIKE TRUCK TRIM

    $29.71
    Axle End Hubcap With Side Fill Plug Hubcap W/Side Fill Plug, 6 Hole By TPHDKeep your wheel hubs secure and protected with the TPHD Hubcap W/Side Fill Plug, 6 Hole, crafted from high-quality stamped...
    29-050904
    SKU:
    29-050904
    Length Options:
    5 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $29.71
    Qty in Cart: 0
    Price:
    $29.71
    Subtotal:
  • FREE SHIPPING OVER $249
    Aluminum Hub Oiler Cap With Side Fill, Small 6 Bolt Mount Replaces 340-4024

    Aluminum Hub Oiler Cap With Side Fill, Small 6 Bolt Mount Replaces 340-4024

    DUAL DYNAMICS

    $47.39
    Replacement Dual Dynamics Bolt-On Oil Cap With 6 Bolt 4-1/2 Inch MountingThe Dual Dynamics oiler cap is designed to fit securely onto most standard wheels, making it a convenient choice. The...
    29-050903
    SKU:
    29-050903
    Diameter Options:
    4 1/2 Inch
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $47.39
    Qty in Cart: 0
    Price:
    $47.39
    Subtotal:
  • Chrome Plated Billet Aluminum Oil Cap Covers With Window - 5-1/2 Inch Bolt Pattern For Budd Wheel

    Chrome Plated Billet Aluminum Oil Cap Covers With Window - 5-1/2 Inch Bolt Pattern For Budd Wheel

    LIFETIME NUT COVERS

    $713.99
    Chrome Plated Billet Aluminum Front Oil Cap CoversCheck out these chrome plated billet aluminum oil cap covers with a window and a 4-1/2 inch bolt pattern at 4 State Trucks. They're a perfect fit for...
    29-050900034
    SKU:
    29-050900034
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    $713.99
    Qty in Cart: 0
    Price:
    $713.99
    Subtotal:
  • Chrome-Plated Billet Aluminum Front Oil Cap Cover Smooth Face Without Window - 6 Hole 5.50 Inch Bolt Pattern

    Chrome-Plated Billet Aluminum Front Oil Cap Cover Smooth Face Without Window - 6 Hole 5.50 Inch Bolt Pattern

    LIFETIME NUT COVERS

    $554.99
    Billet Aluminum Chrome-Plated Steer Axle Oiler Cap With Smooth Face No Sight Glass - 6 Hole 5.50 Inch Bolt PatternAre you looking for front wheel oil caps with a larger bolt pattern? 4 State Trucks...
    29-050900001
    SKU:
    29-050900001
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Kenworth
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Frame & Chassis
    $554.99
    Qty in Cart: 0
    Price:
    $554.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Spindle Nut Outer .375 X 3.250 Inches

    Spindle Nut Outer .375 X 3.250 Inches

    AUTOMANN USA

    Now: $1.19
    Was: $5.45
    Spindle Nut Outer* High Quality Spindle Nut* Size: 2.63 Inches - 16* Bearing: Q/N* Sold Individually* Warranty on spindle nut outer against defects in workmanship & material from date of purchase***...
    09-203300
    SKU:
    09-203300
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    Now: $1.19
    Was: $5.45
    Qty in Cart: 0
    Price:
    Now: $1.19
    Was: $5.45
    Subtotal:
  • 4.767 Inch Bore Wheel Seal

    4.767 Inch Bore Wheel Seal

    OPP - ORIGINAL PARTS PROGRAM

    $34.21
    4.767 Inch Bore Wheel SealNitrile Butadiene Rubber Hub And Spindle Interface Provides Abrasion And Wear Resistance Low-Friction Plastic Bumper Avoids Internal Heat Generation.* High Quality Wheel...
    09-2032009
    SKU:
    09-2032009
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    $34.21
    Qty in Cart: 0
    Price:
    $34.21
    Subtotal:
  • On Sale
    Limited Quantity Available
    4.25 Inch Bore Wheel Seal

    4.25 Inch Bore Wheel Seal

    OPP - ORIGINAL PARTS PROGRAM

    Now: $8.57
    Was: $30.03
    4.25 Inch Bore Wheel SealNitrile Butadiene Rubber Hub And Spindle Interface Provides Abrasion And Wear Resistance Low-Friction Plastic Bumper Avoids Internal Heat Generation.* High Quality Wheel...
    09-2032008
    SKU:
    09-2032008
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    Now: $8.57
    Was: $30.03
    Qty in Cart: 0
    Price:
    Now: $8.57
    Was: $30.03
    Subtotal:
  • On Sale
    Limited Quantity Available
    305 Inch Bore Wheel Seal

    305 Inch Bore Wheel Seal

    OPP - ORIGINAL PARTS PROGRAM

    Now: $8.10
    Was: $28.93
    3.5 Inch Bore Wheel SealNitrile Butadiene Rubber Hub And Spindle Interface Provides Abrasion And Wear Resistance Low-Friction Plastic Bumper Avoids Internal Heat Generation.* High Quality Wheel Seal*...
    09-2032007
    SKU:
    09-2032007
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    Now: $8.10
    Was: $28.93
    Qty in Cart: 0
    Price:
    Now: $8.10
    Was: $28.93
    Subtotal:
  • On Sale
    Limited Quantity Available
    4.627 Inch Bore Wheel Seal

    4.627 Inch Bore Wheel Seal

    OPP - ORIGINAL PARTS PROGRAM

    Now: $7.80
    Was: $27.80
    4.627 Inch Bore Wheel Seal* High Quality Wheel Seal* 4.627 Inch Shaft* 5.999 O.D. Bore* 6.018 Inch Width* .990 Inch Thick* Sold Individually* Warranty On Wheel Seals Against Defects In Workmanship &...
    09-2032006
    SKU:
    09-2032006
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    Now: $7.80
    Was: $27.80
    Qty in Cart: 0
    Price:
    Now: $7.80
    Was: $27.80
    Subtotal:
  • On Sale
    Limited Quantity Available
    4.375 Inch Bore Wheel Seal

    4.375 Inch Bore Wheel Seal

    OPP - ORIGINAL PARTS PROGRAM

    Now: $7.65
    Was: $26.79
    4.375 Inch Bore Wheel SealThis wheel seal is built tough to keep dirt out and stand up to installation pressures. With NBR construction and a multi-zone dirt exclusion system, it's designed to resist...
    09-2032005
    SKU:
    09-2032005
    Truck Class:
    Universal
    Material Options:
    Rubber
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    Now: $7.65
    Was: $26.79
    Qty in Cart: 0
    Price:
    Now: $7.65
    Was: $26.79
    Subtotal:
  • FREE SHIPPING OVER $249
    Wheel Seal 4.765 Inches

    Wheel Seal 4.765 Inches

    AUTOMANN USA

    $22.67
    Wheel Seal* High Quality Unitized Wheel Seal* Spring In Rubber Design* Type: Drive Axle* Fits Chevrolet/GM, Dana Spicer, Dodge, Ford, International, Mack, Meritor And Volvo Applications* Dimensions: ...
    09-2032003
    SKU:
    09-2032003
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Wheels
    $22.67
    Qty in Cart: 0
    Price:
    $22.67
    Subtotal:
  • FREE SHIPPING OVER $249
    4.625 Inch ID Unitized Spring In Rubber Wheel Seal - Replaces 380025A, 370025A, 46305 & 46300

    4.625 Inch ID Unitized Spring In Rubber Wheel Seal - Replaces 380025A, 370025A, 46305 & 46300

    AUTOMANN USA

    $43.23
    Unitized Spring In Rubber Wheel Seal* High Quality Unitized Wheel Seal* Made Of Rubber And Steel* Spring Loaded Design* Fits Trailer, Pusher And Tag Axles* Fits Dana Spicer, Eaton, Meritor And...
    09-2032001
    SKU:
    09-2032001
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Trailer
    $43.23
    Qty in Cart: 0
    Price:
    $43.23
    Subtotal:
  • FREE SHIPPING OVER $249
    Steel Bearing Cone 3782

    Steel Bearing Cone 3782

    AUTOMANN USA

    $10.19
    Bearing Cone 3782* High Quality Bearing Cone* Made Of Steel* Low Vibration* Sold Individually* Warranty On Bearing Cones Against Defects In Workmanship And Material From Date Of Purchase*** High...
    09-203106
    SKU:
    09-203106
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Wheels
    $10.19
    Qty in Cart: 0
    Price:
    $10.19
    Subtotal:
  • FREE SHIPPING OVER $249
    Wheel Bearing Cup & Cone Set - HM212011, HM212049

    Wheel Bearing Cup & Cone Set - HM212011, HM212049

    AUTOMANN USA

    $28.65
    Bearing Set HM212011 cup and HM212049 coneThis bearing set includes the cup and cone, made from high-quality hardened steel for low vibration and excellent roundness. With a cone inner diameter of 2...
    09-203103
    SKU:
    09-203103
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Wheels
    Ready To Ship:
    Yes
    $28.65
    Qty in Cart: 0
    Price:
    $28.65
    Subtotal:
  • 3/4 Inch-16 Hex Flanged Cap Nut

    3/4 Inch-16 Hex Flanged Cap Nut

    AUTOMANN USA

    $7.61
    1.13 Inch Tall Flanged Lug Nut CapSecure your truck components with the 3/4 Inch-16 Hex Flanged Cap Nut, engineered for heavy-duty performance and reliable fastening. This high-quality hex flanged...
    09-202048
    SKU:
    09-202048
    Truck Class:
    Universal
    Diameter Options:
    3/4 Inch
    Style Options:
    Flanged
    Make:
    Universal Items
    Product Type:
    Wheels
    $7.61
    Qty in Cart: 0
    Price:
    $7.61
    Subtotal:
  • Right Hand Serrated Wheel Stud - Replaces Meritor R005909R

    Right Hand Serrated Wheel Stud - Replaces Meritor R005909R

    AUTOMANN USA

    $4.22
    0.974 Inch Diameter 34 X 16 Thread 3.34 Inch OAL Serrated Wheel StudSecure your wheels with the Right Hand Serrated Wheel Stud, engineered as a replacement for Meritor part R005909R. This heavy-duty...
    09-202047
    SKU:
    09-202047
    Length Options:
    3 Inch
    Truck Class:
    Universal
    Diameter Options:
    3/4 Inch
    Make:
    Universal Items
    Product Type:
    Wheels
    $4.22
    Qty in Cart: 0
    Price:
    $4.22
    Subtotal:
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Adding your products to cart

The Semi-Truck Wheel End Parts Universal category offers a range of essential components for wheel systems, including bearings, hubs, studs, nuts, seals, and other hardware.

Frequently Asked Questions About Wheel End Parts

What kinds of components are included in wheel end parts?

Wheel end parts typically include hub assemblies, wheel seals, bearings, lug nuts, axle nuts, hub caps, and related mounting hardware. These components work together to keep the wheel securely attached to the axle while allowing it to rotate smoothly and stay properly sealed against contaminants.

How do I know if a wheel end part will fit my truck?

Fitment depends on factors like axle type, hub configuration, and whether your truck uses a hub-piloted or stud-piloted wheel system. Always check the manufacturer specifications listed on the product page and compare them to your truck's axle and hub measurements. If you are unsure, referencing your truck's make, model, and axle documentation before ordering can help avoid returns or install delays.

What material and finish options are available for hub caps and covers?

Hub caps and wheel end covers are commonly available in stainless steel and chrome-plated steel finishes. Stainless steel tends to hold up well against corrosion and road grime, while chrome offers a bright, polished look. The best choice often comes down to your maintenance preferences and the overall appearance you want for your rig.

How often should wheel seals and bearings be inspected or replaced?

Wheel seals and bearings should be checked during routine maintenance intervals, since wear can lead to leaks, contamination, or reduced wheel end performance if left unaddressed. Many fleets inspect these components at each service interval or whenever a wheel is removed for tire work, and replace them proactively if signs of wear, leaking, or looseness are found.

Can I install wheel end parts myself, or should I have a professional do it?

Some parts, like hub caps or lug nut covers, are straightforward enough for most truck owners to install with basic tools. However, components like hubs, bearings, and seals often require specific torque specifications and proper alignment to function safely, so many owners choose to have these installed or verified by a qualified technician.


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