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Kenworth T680 Parts

Kenworth T680 semi trucks are a regular sight on the highway so make yours stands out with custom, chrome, and aftermarket parts from 4 State Trucks. When you drive a Kenworth T680 semi truck, you're going to enjoy a fuel efficient, safe ride in a truck that's rated as one of the best in the industry. Make your rig your own - whether you need aftermarket or chrome parts like bumpers, exhaust, seating, steering or fenders, 4 State Trucks has you covered. Hit the open road in style and comfort with the best custom gear for your Kenworth.
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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 3/8 X 1/4 Inch Brass Coupling Body Replaces E8585

    3/8 X 1/4 Inch Brass Coupling Body Replaces E8585

    AUTOMANN USA

    $5.09
    3/8 X 1/4 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/4 Inch Outer...
    09-05170135
    SKU:
    09-05170135
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $5.09
    Qty in Cart: 0
    Price:
    $5.09
    Subtotal:
  • 1/2 X 1/2 Inch Brass Coupling Body Replaces E8589

    1/2 X 1/2 Inch Brass Coupling Body Replaces E8589

    AUTOMANN USA

    $5.94
    1/2 X 1/2 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 1/2 Inch Inner Diameter Hose End* 1/2 Inch Outer...
    09-05170146
    SKU:
    09-05170146
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    1/2 Inch
    Make:
    Universal Items
    $5.94
    Qty in Cart: 0
    Price:
    $5.94
    Subtotal:
  • 5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005

    5.5 Automatic Slack Adjuster Replaces 40920046, 40020240, ZZ40020240, 539640020240, M808005

    AFTERMARKET

    $154.99
    5.5 Haldex Self- Setting Type Automatic Slack AdjusterKeep your brakes perfectly calibrated with the 5.5 Automatic Slack Adjuster, a self-setting Haldex slack type adjuster engineered for accuracy...
    09-05170121
    SKU:
    09-05170121
    Product Type:
    Frame & Chassis
    Diameter Options:
    1 1/2 Inch
    Make:
    Universal Items
    $154.99
    Qty in Cart: 0
    Price:
    $154.99
    Subtotal:
  • 15.00 X 4.00 Inch 8 Hole Brake Drum Replaces 107902, 3741X, 3741, 2009641C1, 65543, 65543B, 65543F

    15.00 X 4.00 Inch 8 Hole Brake Drum Replaces 107902, 3741X, 3741, 2009641C1, 65543, 65543B, 65543F

    AFTERMARKET

    $379.99
    8 Hole 15.00 X 4.00 Inch Inch Brake Drum* High Quality Brake Drum* Balanced To 20 Inch - Oz* (8) 1 Inch Bolt Holes* For Brake Surface Diameter 15 Inch X 4 Inch* 9.04 Inch Overall Width* 4.75 Inch...
    09-05170122
    SKU:
    09-05170122
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $379.99
    Qty in Cart: 0
    Price:
    $379.99
    Subtotal:
  • 3/8 X 1/2 Inch Brass Coupling Body Replaces E8587

    3/8 X 1/2 Inch Brass Coupling Body Replaces E8587

    AUTOMANN USA

    $4.80
    3/8 X 1/2 Inch Coupling Body* High Quality Hose Coupling* Fitting Type: Air Brake Hose* Connection: Hose Inner Diameter To Male NPT* Made Of Brass* 3/8 Inch Inner Diameter Hose End* 1/2 Inch Outer...
    09-05170134
    SKU:
    09-05170134
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $4.80
    Qty in Cart: 0
    Price:
    $4.80
    Subtotal:
  • Holland 5th Wheel Rebuild Kit Replaces RK17AL

    Holland 5th Wheel Rebuild Kit Replaces RK17AL

    AFTERMARKET

    $1,057.99
    5th Wheel Rebuild KitRestore the performance and reliability of your fifth wheel with the Holland 5th Wheel Rebuild Kit Replaces RK17AL, designed for Holland Neway FW17 5th wheels. This high-quality...
    09-0511071
    SKU:
    09-0511071
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $1,057.99
    Qty in Cart: 0
    Price:
    $1,057.99
    Subtotal:
  • Black 4 Trumpet Mini Train Horn

    Black 4 Trumpet Mini Train Horn

    UNITED PACIFIC

    $93.99
    4 Trumpet Mini Train Horn- BlackMake safety and attention a priority with the Black 4 Trumpet Mini Train Horn, designed for truckers and drivers who need superior sound. The kit includes four durable...
    09-0513137
    SKU:
    09-0513137
    Color:
    Black
    Product Type:
    Frame & Chassis
    Height Options:
    6 Inch
    Length Options:
    11 3/4 Inch
    Rating:
    150 PSI
    Width Options:
    5 1/4 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $93.99
    Qty in Cart: 0
    Price:
    $93.99
    Subtotal:
  • Wear Ring Kit Replaces KITRING3000

    Wear Ring Kit Replaces KITRING3000

    AFTERMARKET

    $271.99
    3000 Series Wear Ring KitKeep your hydraulic systems in top condition with the Wear Ring Kit Replaces KITRING3000, designed for precise performance and extended durability. Included hardware ensures...
    09-05110030
    SKU:
    09-05110030
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
    Subtotal:
  • 21 Inch Stainless Steel Blank Top Flap Accent Trim

    21 Inch Stainless Steel Blank Top Flap Accent Trim

    ROADWORKS

    $37.33
    21 Inch Blank Top Flap Accent TrimAchieve durable protection and a refined look with the 21 Inch Stainless Steel Blank Top Flap Accent Trim. Crafted from premium stainless steel and measuring 21...
    09-05070622
    SKU:
    09-05070622
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    21 Inch
    Make:
    Universal Items
    $37.33
    Qty in Cart: 0
    Price:
    $37.33
    Subtotal:
  • 19 Inch Stainless Steel Blank Top Flap Accent Trim

    19 Inch Stainless Steel Blank Top Flap Accent Trim

    ROADWORKS

    $36.29
    19 Inch Blank Top Flap Accent TrimUpgrade your truck's mud flaps with the 19 Inch Stainless Steel Blank Top Flap Accent Trim, crafted from premium stainless steel for exceptional durability and...
    09-05070621
    SKU:
    09-05070621
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    19 Inch
    Make:
    Universal Items
    $36.29
    Qty in Cart: 0
    Price:
    $36.29
    Subtotal:
  • Stainless Steel “I Love My Kids” Flap Weights

    Stainless Steel “I Love My Kids” Flap Weights

    ROADWORKS

    $71.99
    24 Inch "I Love My Kids" Flap WeightsExpress your love and personalize your truck with the Stainless Steel "I Love My Kids" Flap Weights, designed for durability and style. Made from high-quality...
    09-05070605
    SKU:
    09-05070605
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    24 Inch
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • 15 Inch Stainless Steel Blank Top Flap Accent Trim

    15 Inch Stainless Steel Blank Top Flap Accent Trim

    ROADWORKS

    $33.18
    15 Inch Blank Top Flap Accent TrimStrengthen your mud flaps and elevate your truck's look with the 15 Inch Stainless Steel Blank Top Flap Accent Trim. Made from premium stainless steel, each 15-inch...
    09-05070620
    SKU:
    09-05070620
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Product Type:
    Mud Flaps
    Width Options:
    15 Inch
    Make:
    Universal Items
    $33.18
    Qty in Cart: 0
    Price:
    $33.18
    Subtotal:
  • 1/4 X 1-1/2 Inch Brass Long Nipple Replaces 3327X4, 215PNL415

    1/4 X 1-1/2 Inch Brass Long Nipple Replaces 3327X4, 215PNL415

    AUTOMANN USA

    $2.54
    1/4 X 1-1/2 Inch Brass Long NippleBuild dependable connections with the 1/4 X 1-1/2 Inch Brass Long Nipple, a premium brass fitting designed for leak-free performance. With male NPT threads on both...
    09-05040130
    SKU:
    09-05040130
    Diameter Options:
    1/4 Inch
    Length Options:
    1 1/2 Inch
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $2.54
    Qty in Cart: 0
    Price:
    $2.54
    Subtotal:
  • 1/2 X 1-1/2 Inch Brass Long Nipple Replaces 215PNL815

    1/2 X 1-1/2 Inch Brass Long Nipple Replaces 215PNL815

    AUTOMANN USA

    $3.80
    1/2 X 1-1/2 Inch Brass Long NippleDepend on the 1/2 X 1-1/2 Inch Brass Long Nipple for strong, leak-resistant pipe connections. Crafted from solid brass with male NPT threads on both ends, this...
    09-05040117
    SKU:
    09-05040117
    Diameter Options:
    1/2 Inch
    Length Options:
    1 1/2 Inch
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $3.80
    Qty in Cart: 0
    Price:
    $3.80
    Subtotal:
  • 3/16 Inch Barb X 1/8 Inch Pipe Brass Hose Fitting Replaces 10503B102

    3/16 Inch Barb X 1/8 Inch Pipe Brass Hose Fitting Replaces 10503B102

    AUTOMANN USA

    $0.91
    3/16 Inch Barb X 1/8 Inch Pipe Hose Fitting* High Quality Hose Fitting* Hose Barb To Male NPT Connection* Use With 3/16" Push-On Hose* Made Of Brass* Barb Hose End: 3/16 Inch Inner Diameter* Male NPT...
    09-05040116
    SKU:
    09-05040116
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $0.91
    Qty in Cart: 0
    Price:
    $0.91
    Subtotal:
  • 3/16 Inch Barb X 1/4 Inch Pipe Brass Hose Fitting Replaces 10503B104

    3/16 Inch Barb X 1/4 Inch Pipe Brass Hose Fitting Replaces 10503B104

    AUTOMANN USA

    $1.81
    3/16 Inch Barb X 1/4 Inch Pipe Hose Fitting* High Quality Hose Fitting* Hose Barb To Male NPT Connection* Use With 3/8" Push-On Hose* Made Of Brass* Barb Hose End: 3/8 Inch Inner Diameter* Male NPT...
    09-05040115
    SKU:
    09-05040115
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $1.81
    Qty in Cart: 0
    Price:
    $1.81
    Subtotal:
  • 3/8 X 1-1/2 Inch Brass Long Nipple Replaces 3327X6, 215PNL615

    3/8 X 1-1/2 Inch Brass Long Nipple Replaces 3327X6, 215PNL615

    AUTOMANN USA

    $3.81
    3/8 X 1-1/2 Inch Brass Long NippleAchieve reliable and leak-free connections with the 3/8 X 1-1/2 Inch Brass Long Nipple, a high-quality fitting built for durability and professional performance...
    09-05040119
    SKU:
    09-05040119
    Diameter Options:
    3/8 Inch
    Length Options:
    1 1/2 Inch
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $3.81
    Qty in Cart: 0
    Price:
    $3.81
    Subtotal:
  • 3/8 Inch Barb X 3/8 Inch Pipe Brass Hose Fitting Replaces 10506B106, 125HBL66

    3/8 Inch Barb X 3/8 Inch Pipe Brass Hose Fitting Replaces 10506B106, 125HBL66

    AUTOMANN USA

    $2.30
    3/8 Inch Barb X 3/8 Inch Pipe Hose Fitting* High Quality Hose Fitting* Hose Barb To Male NPT Connection* Use With 3/8" Push-On Hose* Made Of Brass* Barb Hose End: 3/8 Inch Inner Diameter* Male NPT...
    09-05040113
    SKU:
    09-05040113
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Diameter Options:
    3/8 Inch
    Make:
    Universal Items
    $2.30
    Qty in Cart: 0
    Price:
    $2.30
    Subtotal:
  • 3/8 Inch Barb X 1/4 Inch Pipe Brass Hose Fitting Replaces 10506B104, 125HBL64

    3/8 Inch Barb X 1/4 Inch Pipe Brass Hose Fitting Replaces 10506B104, 125HBL64

    AUTOMANN USA

    $2.25
    3/8 Inch Barb X 1/4 Inch Pipe Hose Fitting* High Quality Hose Fitting* Hose Barb To Male NPT Connection* Use With 3/8" Push-On Hose* Made Of Brass* Barb Hose End: 3/8 Inch Inner Diameter* Male NPT...
    09-05040112
    SKU:
    09-05040112
    Material Options:
    Brass
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $2.25
    Qty in Cart: 0
    Price:
    $2.25
    Subtotal:
  • 3/8 Inch Barb X 1/8 Inch Pipe Brass Hose Fitting Replaces 10506B102, 125HBL62

    3/8 Inch Barb X 1/8 Inch Pipe Brass Hose Fitting Replaces 10506B102, 125HBL62

    AUTOMANN USA

    $1.57
    3/8 Inch Barb X 1/8 Inch Pipe Hose Fitting* High Quality Hose Fitting* Hose Barb To Male NPT Connection* Use With 3/8" Push-On Hose* Made Of Brass* Barb Hose End: 3/8 Inch Inner Diameter* Male NPT...
    09-05040111
    SKU:
    09-05040111
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Brass
    Make:
    Universal Items
    $1.57
    Qty in Cart: 0
    Price:
    $1.57
    Subtotal:
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Adding your products to cart

One of the best ways to start investing in your big rig is to prioritize aftermarket Kenworth truck parts that deliberately improve driving performance, interior cab comfort, and visual appeal.

Why Choose Aftermarket Kenworth T680 Parts from 4 State?

When it comes to upgrading or restoring your Kenworth T680 model, the depth of aftermarket customization options is pretty much endless - but your pocketbook probably isn't. That's why we offer competitive pricing, along with fast shipping, and attentive customer service.

Find Heavy-Duty, Durable Parts & Accessories

Our lineup of aftermarket parts, from interior flooring accessories and T680 LED cab lights to exterior hood trim accents, offers an affordable alternative to traditional OEM replacement parts. Not only that, many of these upgrades are DIY-friendly, offering straightforward installation instructions to get you back on the road fast. And if it’s a big job—like swapping out suspension or engine components—we’ll help you find exactly what your shop or mechanic needs.

Performance, Protection, and Customization

Our catalog includes everything from chrome stacks for the T680 truck to heavy-duty commercial engine replacement parts. Need a new bumper? We’ve got it. Want to upgrade your lights, mirrors, visors, or Kenworth T680 interior accessories? No problem. Looking for Kenworth T680 engine parts or air intakes to boost power and longevity? You’re in the right place. The vast majority of parts come with a workmanship warranty. So, whether you're an owner-operator running long hauls or a fleet manager with multiple big rigs, you can shop confidently.

Shop Online Today

Not sure which part fits? No worries. Our sales reps are here to help you match parts to your truck. You can also shop by VIN to find the exact fit the first time. Whether you're customizing your ride or getting your rig back in shape, our Kenworth T680 aftermarket parts make it simple.

Frequently Asked Questions About Kenworth T680 Truck Parts

What years and models of the Kenworth T680 are your parts compatible with?

Our Kenworth T680 parts are designed to fit model years 2013 through current production models. Most of our parts are compatible across all T680 configurations including day cabs, sleeper cabs (52", 76"), and both standard and high-roof variants. However, some specialized parts like bumpers and fairings may have specific fitment requirements based on your truck's configuration. We recommend checking the individual product descriptions or contacting our support team with your OEM to ensure proper fitment.

Are aftermarket chrome bumpers as durable as OEM bumpers for the T680?

Quality aftermarket chrome bumpers for the T680 are typically made from heavy-duty steel with triple chrome plating (copper, nickel, and chrome layers) that meets or exceeds OEM specifications. The key is choosing reputable manufacturers who use proper thickness steel (usually 14-16 gauge) and quality plating processes. These bumpers can last 5-10 years with proper maintenance, including regular washing and polishing to prevent corrosion. Look for bumpers with warranties of at least 1 year as an indicator of quality.

What tools and time are required to install a replacement bumper on my T680?

Installing a replacement bumper typically requires basic hand tools including socket wrenches (usually 3/4" and 7/8"), a torque wrench, and potentially a floor jack or bumper jack for support. Most installations take 2-4 hours depending on whether you're replacing just the bumper or also fog lights and brackets. The process involves removing 6-8 mounting bolts, disconnecting any fog light wiring, and carefully aligning the new bumper. Having a helper makes the job significantly easier due to the weight (typically 80-120 lbs for chrome bumpers).

What finish options are available for T680 parts, and which holds up best?

The most common finishes for T680 parts are chrome, polished stainless steel, and powder-coated options. Chrome provides the classic mirror finish but requires regular maintenance to prevent pitting. Polished stainless steel (304 grade) offers excellent corrosion resistance with less maintenance but costs 20-30% more. Powder-coated parts come in various colors and provide good durability for 3-5 years but may chip from road debris. For harsh weather conditions or heavy salt exposure, stainless steel typically provides the best long-term value.

Will aftermarket parts void my Kenworth warranty or affect resale value?

Installing aftermarket cosmetic parts like chrome bumpers, visors, or trim pieces will not void your Kenworth powertrain or chassis warranty under the Magnuson-Moss Warranty Act. However, any damage caused by improper installation could affect warranty coverage for related components. Regarding resale value, high-quality chrome and appearance upgrades typically maintain or even increase truck value, especially in the owner-operator market. Keep all receipts and documentation of parts installed, as this demonstrates proper maintenance and care to potential buyers.


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