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Chrome Rush countdown – 14% off semi truck parts and chrome accessories at 4 State Trucks
Chrome Rush countdown – 14% off semi truck parts and chrome accessories at 4 State Trucks

Kenworth T680 Elbows, Piping & Comp.

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  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $53.99
    BESTfit 6 To 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipehigh quality reducer that is made to smoothly connect pipes of different size on your exhaust. It is constructed with a premium...
    09-080100167
    SKU:
    09-080100167
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • BESTfit Chrome Exhaust Adapter Reducer 6 ID X 5 OD X 8 Inch

    BESTfit Chrome Exhaust Adapter Reducer 6 ID X 5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $106.99
    BESTfit 6 To 5 Inch I.D.-O.D. X 8 Inch OAL Chrome-Plated Steel Reducer PipeIf you are looking to connect two different sized exhaust pipes, 4 State Trucks offers this high quality reducer that keeps...
    09-080100166
    SKU:
    09-080100166
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 5 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 5 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $45.59
    BESTfit 6 To 5 Inch I.D.-I.D. X 8 Inch OAL Aluminized Steel Reducer PipeDo you have an exhaust build that is designed with different pipe sizes? 4 State Trucks offers the high quality reducer that...
    09-080100165
    SKU:
    09-080100165
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $45.59
    Qty in Cart: 0
    Price:
    $45.59
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $88.99
    BESTfit 6 To 4 Inch I.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is...
    09-080100164
    SKU:
    09-080100164
    Diameter Options:
    6 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $88.99
    Qty in Cart: 0
    Price:
    $88.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 6 ID X 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $70.99
    BESTfit 6 To 4 Inch I.D.-I.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer to...
    09-080100163
    SKU:
    09-080100163
    Truck Class:
    Universal
    Diameter Options:
    6 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $70.99
    Qty in Cart: 0
    Price:
    $70.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 5 OD X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 5 OD X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $45.60
    BESTfit 5 To 4 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer to...
    09-080100162
    SKU:
    09-080100162
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $45.60
    Qty in Cart: 0
    Price:
    $45.60
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 5 OD X 4 ID X 8 Inch

    BESTfit Aluminized Exhaust Reducer 5 OD X 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $29.99
    5 To 4 Inch OD-ID X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer that is made to last...
    09-080100161
    SKU:
    09-080100161
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $29.99
    Qty in Cart: 0
    Price:
    $29.99
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 5 ID X 4 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 5 ID X 4 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $42.43
    BESTfit 5 To 4 Inch I.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeDo you want to ensure your pipe connections fit perfectly and look great? 4 State Trucks high quality reducer that will...
    09-080100160
    SKU:
    09-080100160
    Diameter Options:
    5 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $42.43
    Qty in Cart: 0
    Price:
    $42.43
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminized Exhaust Reducer 5 ID X 4 ID X 8 Inch

    BESTfit Aluminized Exhaust Reducer 5 ID X 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $34.84
    BESTfit 5 To 4 Inch ID-ID X 8 Inch OAL Aluminized Steel Reducer PipeAre you looking for a reducer to ensure your exhaust pipes fit perfectly? 4 State Trucks offers this high quality reducer that will...
    09-080100159
    SKU:
    09-080100159
    Truck Class:
    Universal
    Diameter Options:
    5 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    $34.84
    Qty in Cart: 0
    Price:
    $34.84
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $21.74
    BESTfit 4 To 3 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer Pipe4 State Trucks offers this high quality reducer that will securely connect two different sized pipes on an exhaust with ease...
    09-080100158
    SKU:
    09-080100158
    Truck Class:
    Universal
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Product Type:
    Exhaust
    $21.74
    Qty in Cart: 0
    Price:
    $21.74
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 4 OD X 3 ID X 6 Inch

    BESTfit Aluminized Exhaust Reducer 4 OD X 3 ID X 6 Inch

    BESTFIT TRUCK PARTS

    $22.04
    BESTfit 4 To 3 Inch OD-ID X 6 Inch OAL Aluminized Steel Reducer PipeSupport proper exhaust routing with this BESTfit aluminized steel exhaust reducer built for dependable performance in demanding...
    09-080100157
    SKU:
    09-080100157
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $22.04
    Qty in Cart: 0
    Price:
    $22.04
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3-1/2 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 OD X 3-1/2 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $26.71
    BESTfit 4 To 3.5 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeTransform your exhaust's appearance with the BESTfit 4 to 3.5 Inch OD-OD Aluminized Steel Reducer Pipe. Offering a precise...
    09-080100156
    SKU:
    09-080100156
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $26.71
    Qty in Cart: 0
    Price:
    $26.71
    Subtotal:
  • BESTfit Aluminized Exhaust Reducer 4 OD X 3-1/2 ID X 8 Inch

    BESTfit Aluminized Exhaust Reducer 4 OD X 3-1/2 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $24.93
    BESTfit 4 To 3.5 Inch OD-ID X 8 Inch OAL Aluminized Steel Reducer PipeUpgrade your exhaust system with our Aluminized Exhaust Reducer, designed to transition from a 4-inch OD to a 3.5-inch ID over an...
    09-080100155
    SKU:
    09-080100155
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $24.93
    Qty in Cart: 0
    Price:
    $24.93
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 ID X 3 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 ID X 3 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $30.75
    BESTfit 4 To 3 Inch O.D.-O.D. X 8 Inch OAL Aluminized Steel Reducer PipeAre you building a custom exhaust that requires different pipe sizes? 4 State Trucks offers this high quality reducer to...
    09-080100154
    SKU:
    09-080100154
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Product Type:
    Exhaust
    $30.75
    Qty in Cart: 0
    Price:
    $30.75
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 ID X 3-1/2 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 ID X 3-1/2 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $30.75
    BESTfit 4 To 3.5 Inch ID-OD X 8 Inch OAL Aluminized Steel Reducer PipeIntroducing the BESTfit Aluminized Exhaust Reducer, expertly designed to connect a 4-inch ID to a 3.5-inch OD over an 8-inch...
    09-080100153
    SKU:
    09-080100153
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $30.75
    Qty in Cart: 0
    Price:
    $30.75
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 4 ID X 3-1/2 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 4 ID X 3-1/2 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $32.89
    BESTfit 4 To 3.5 Inch ID-ID X 8 Inch OAL Aluminized Steel Reducer PipeAchieve a great fit for your exhaust with the BESTfit 4 to 3.5 Inch ID-ID Aluminized Steel Reducer Pipe. This 8-inch-long reducer...
    09-080100152
    SKU:
    09-080100152
    Diameter Options:
    4 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $32.89
    Qty in Cart: 0
    Price:
    $32.89
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 3-1/2 OD X 3 OD X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 3-1/2 OD X 3 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $28.64
    BESTfit 3.5 To 3 Inch OD-OD X 8 Inch OAL Aluminized Steel Reducer PipeElevate your exhaust system with the BESTfit Aluminized Exhaust Reducer, designed to transition between 3.5 Inch and 3 Inch...
    09-080100151
    SKU:
    09-080100151
    Diameter Options:
    3 1/2 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $28.64
    Qty in Cart: 0
    Price:
    $28.64
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 3-1/2 OD X 3 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 3-1/2 OD X 3 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $30.24
    BESTfit 3.5 To 3 Inch O.D.-ID X 8 Inch OAL Aluminized Steel Reducer PipeFor an exhaust system upgrade, look no further than the BESTfit Aluminized Exhaust Reducer from 4 State Trucks. Transitioning...
    09-080100150
    SKU:
    09-080100150
    Diameter Options:
    3 1/2 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $30.24
    Qty in Cart: 0
    Price:
    $30.24
    Subtotal:
  • BESTfit Aluminized Exhaust Adapter Reducer 3-1/2 ID X 3 ID X 8 Inch

    BESTfit Aluminized Exhaust Adapter Reducer 3-1/2 ID X 3 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $28.64
    BESTfit 3.5 To 3 Inch ID-ID X 8 Inch OAL Aluminized Steel Reducer PipeUpgrade your exhaust system's efficiency with the BESTfit Aluminized Exhaust Reducer, designed to transition from 3-1/2" ID to 3"...
    09-080100149
    SKU:
    09-080100149
    Diameter Options:
    3 1/2 Inch
    Length Options:
    8 Inch
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Exhaust
    $28.64
    Qty in Cart: 0
    Price:
    $28.64
    Subtotal:
  • BESTfit 8 OD X 20 Inch OAL 90 Degree Tangent Cut Cold Rolled Steel Elbow

    BESTfit 8 OD X 20 Inch OAL 90 Degree Tangent Cut Cold Rolled Steel Elbow

    BESTFIT TRUCK PARTS

    $338.99
    BESTfit 8 Inch Diameter X 20 Inch OAL 90 Degree Tangent Cut Cold Rolled Steel Elbow* High Quality Elbow* Tangent Cut* Made Of Cold Rolled Steel* Dimensions  - 40 Inch Overall Length (20x20)  - 8 Inch...
    09-080100145
    SKU:
    09-080100145
    Truck Class:
    Universal
    Diameter Options:
    8 Inch
    Style Options:
    Elbow
    Material Options:
    Aluminized Steel
    Degree Options:
    90
    Make:
    Universal Items
    Length Options:
    20 Inch
    Product Type:
    Exhaust
    $338.99
    Qty in Cart: 0
    Price:
    $338.99
    Subtotal:
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The Kenworth T680 Elbows, Piping & Components category offers a variety of exhaust parts for Kenworth and Peterbilt trucks. This includes elbows, piping, flexible connectors, and adapters for efficient exhaust systems. Key features include: Durable aluminized steel and chrome components Various sizes, angles, and connection types Flexible connectors for easier installation High-quality construction for optimal exhaust flow Stylish designs to enhance your truck's appearance Whether upgrading or replacing parts, these components ensure reliable performance for your truck.

Frequently Asked Questions About Kenworth T680 Elbows, Piping & Comp.

What kinds of parts are included in this category?

This category covers exhaust and piping components for the Kenworth T680, including exhaust elbows, connector pipes, and related fittings used to route exhaust gases from the engine through the aftertreatment system and out to the stack or tailpipe. These parts are typically made from aluminized or stainless steel to handle high exhaust temperatures.

How do I know if a part will fit my T680?

Fit depends on your truck's model year, engine configuration, and aftertreatment setup, since Kenworth has made changes to the T680 exhaust system over different production years. Always check the listed part number and specifications against your truck's OEM part or VIN before ordering, and reach out to our team if you're unsure which piece matches your setup.

What material and finish options are available?

Most elbows and piping in this category are offered in aluminized steel or stainless steel. Aluminized steel offers good heat and corrosion resistance at a lower cost, while stainless steel provides longer-lasting durability and better resistance to rust, especially in trucks exposed to road salt or harsh weather conditions.

Can I install these parts myself, or do I need a professional?

Many elbows and pipe sections can be swapped out with basic tools if you're comfortable working under the truck and have experience with exhaust systems. However, because these components connect to the aftertreatment system and exhaust routing, proper alignment and secure clamping are important to avoid leaks or heat damage. If you're not confident in the installation, having a qualified diesel technician handle it is a safer option.

Will replacing an elbow or pipe affect emissions compliance or trigger fault codes?

Exhaust piping and elbows are generally not emissions-sensitive components themselves, but improper installation or leaks in the exhaust path before or after the aftertreatment system can cause sensor readings to be off, potentially triggering fault codes. Make sure connections are properly sealed and clamped, and confirm the replacement part matches the routing of your original component to avoid issues.

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