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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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  • BESTfit Air Operated Fan Clutch 5 Inch Pilot Replaces 10900975001, 10900975001B, 10900990001

    BESTfit Air Operated Fan Clutch 5 Inch Pilot Replaces 10900975001, 10900975001B, 10900990001

    BESTFIT TRUCK PARTS

    $792.99
    5 Inch Pilot Air Operated Fan Clutch By BESTfit Replaces 10900975001, 10900975001B, 10900990001The BESTfit Air Operated Fan Clutch 5" Pilot is a high-quality replacement solution for OEM part numbers...
    29-07060203
    SKU:
    29-07060203
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $792.99
    Qty in Cart: 0
    Price:
    $792.99
    Subtotal:
  • BESTfit Quick Super Repair Kit Replaces 14256, 166627, 198472, 994900

    BESTfit Quick Super Repair Kit Replaces 14256, 166627, 198472, 994900

    BESTFIT TRUCK PARTS

    $892.99
    Quick Super Repair Kit DriveMaster Advantage By BESTfit Replaces 14256, 166627, 198472, 994900Upgrade your cooling system maintenance with the BESTfit Quick Super Repair Kit, a direct replacement for...
    29-07060200
    SKU:
    29-07060200
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $892.99
    Qty in Cart: 0
    Price:
    $892.99
    Subtotal:
  • BESTfit Power Take-Off 6 Bolt W/O Install Kit Replaces 660GSAHXV3XD

    BESTfit Power Take-Off 6 Bolt W/O Install Kit Replaces 660GSAHXV3XD

    BESTFIT TRUCK PARTS

    $2,094.99
    6 Bolt Power Take-Off W/O Install Kit By BESTfit Replaces 660GSAHXV3XDBuilt for strength and reliability, the BESTfit 6 Bolt PTO Without Install Kit replaces OEM reference 660GSAHXV3XD for Chelsea...
    29-07050122
    SKU:
    29-07050122
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,094.99
    Qty in Cart: 0
    Price:
    $2,094.99
    Subtotal:
  • BESTfit Polar Extreme Super Repair Kit Replaces 1311840103, 142561, 994902

    BESTfit Polar Extreme Super Repair Kit Replaces 1311840103, 142561, 994902

    BESTFIT TRUCK PARTS

    $947.99
    Polar Extreme Super Repair Kit DriveMaster By BESTfit Replaces 1311840103, 142561, 994902Upgrade your cooling system maintenance with the BESTfit Polar Extreme Super Repair Kit, a direct replacement...
    29-07060202
    SKU:
    29-07060202
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $947.99
    Qty in Cart: 0
    Price:
    $947.99
    Subtotal:
  • BESTfit Power Take-Off 8 Bolt No Assembly Shift Replaces 489XRAHXH3XK

    BESTfit Power Take-Off 8 Bolt No Assembly Shift Replaces 489XRAHXH3XK

    BESTFIT TRUCK PARTS

    $1,120.99
    8 Bolt No Assembly Shift Power Take-Off By BESTfit Replaces 489XRAHXH3XKBuilt for strength and precision, the BESTfit 8 Bolt No Assembly Shift Power Take-Off replaces OEM reference 489XRAHXH3XK for...
    29-07050118
    SKU:
    29-07050118
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,120.99
    Qty in Cart: 0
    Price:
    $1,120.99
    Subtotal:
  • BESTfit Solenoid Valve 12 Volt

    BESTfit Solenoid Valve 12 Volt

    BESTFIT TRUCK PARTS

    $107.99
    12V Solenoid Valve By BESTfitUpgrade your cooling system with the BESTfit 12 Volt Solenoid Valve, engineered for Horton air-operated fan clutch systems requiring dependable airflow control. This...
    29-07060198
    SKU:
    29-07060198
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $107.99
    Qty in Cart: 0
    Price:
    $107.99
    Subtotal:
  • BESTfit Air Operated Fan Clutch Replaces 10900960001, 10900965001B, 20955539

    BESTfit Air Operated Fan Clutch Replaces 10900960001, 10900965001B, 20955539

    BESTFIT TRUCK PARTS

    $630.99
    Air Operated Fan Clutch By BESTfit Replaces 10900960001, 10900965001B, 20955539Upgrade your cooling system with the BESTfit Air Operated Fan Clutch, a direct replacement for OEM part numbers...
    29-07060192
    SKU:
    29-07060192
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $630.99
    Qty in Cart: 0
    Price:
    $630.99
    Subtotal:
  • BESTfit Power Take-Off 6 Bolt W/ Rotatable Output Flange Replaces 271GBHVPB5RA, 271GBHVPB5RB, 271GBHVPB5XK

    BESTfit Power Take-Off 6 Bolt W/ Rotatable Output Flange Replaces 271GBHVPB5RA, 271GBHVPB5RB, 271GBHVPB5XK

    BESTFIT TRUCK PARTS

    $3,364.99
    6 Bolt W/ Rotatable Output Power Take-Off By BESTfit Replaces 271GBHVPB5RA, 271GBHVPB5RB, 271GBHVPB5XKBuilt for strength and reliability, the BESTfit 6 Bolt PTO with Rotatable Output Flange replaces...
    29-07050114
    SKU:
    29-07050114
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $3,364.99
    Qty in Cart: 0
    Price:
    $3,364.99
    Subtotal:
  • BESTfit Power Take-Off 10 Bolt 12V Electric Over Hydraulic Replaces 180274HDL, 890CAFJWB3XY

    BESTfit Power Take-Off 10 Bolt 12V Electric Over Hydraulic Replaces 180274HDL, 890CAFJWB3XY

    BESTFIT TRUCK PARTS

    $6,161.99
    10 Bolt 12V Electric Over Hydraulic Power Take-Off By BESTfit Replaces 180274HDL, 890CAFJWB3XYUpgrade your PTO system with the BESTfit 10 Bolt 12V Electric Over Hydraulic Power Take-Off, a direct...
    29-07050124
    SKU:
    29-07050124
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $6,161.99
    Qty in Cart: 0
    Price:
    $6,161.99
    Subtotal:
  • BESTfit Power Take-Off 6 Bolt, 3 Assembly Arrangement Replaces 660GSAHXA3XD

    BESTfit Power Take-Off 6 Bolt, 3 Assembly Arrangement Replaces 660GSAHXA3XD

    BESTFIT TRUCK PARTS

    $2,227.99
    6 Bolt, 3 Assembly Arrangement Power Take-Off By BESTfit Replaces 660GSAHXA3XDBuilt for strength and reliability, the BESTfit 6 Bolt 3 Assembly Power Take-Off replaces OEM reference 660GSAHXA3XD for...
    29-07050121
    SKU:
    29-07050121
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,227.99
    Qty in Cart: 0
    Price:
    $2,227.99
    Subtotal:
  • BESTfit Stud Kit For 272X, E Standard, And Eaton Brazil

    BESTfit Stud Kit For 272X, E Standard, And Eaton Brazil

    BESTFIT TRUCK PARTS

    $199.99
    Turbocharger Stud Kit By BESTfit Fits 272X, E Standard, And Eaton BrazilUpgrade your PTO installation with the BESTfit Stud Kit for 272X, E Standard, and Eaton Brazil systems, engineered for Chelsea...
    29-07050110
    SKU:
    29-07050110
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $199.99
    Qty in Cart: 0
    Price:
    $199.99
    Subtotal:
  • BESTfit Power Take-Off Mounting Kit, Series 267-277-859

    BESTfit Power Take-Off Mounting Kit, Series 267-277-859

    BESTFIT TRUCK PARTS

    $116.99
    Series 267-277-859 Mounting Kit By BESTfitUpgrade your PTO installation with the BESTfit Mounting Kit for Series 267-277-859, engineered for strength, precision, and long-term reliability. This PTO...
    29-07050123
    SKU:
    29-07050123
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • BESTfit Power Take-Off 8 Bolt W/ Deep Mount Replaces 489ZLDAXV5XD

    BESTfit Power Take-Off 8 Bolt W/ Deep Mount Replaces 489ZLDAXV5XD

    BESTFIT TRUCK PARTS

    $1,343.99
    8 Bolt W/ Deep Mount Power Take-Off By BESTfit Replaces 489ZLDAXV5XDBuilt for strength and precision, the BESTfit 8 Bolt Deep Mount Power Take-Off replaces OEM reference 489ZLDAXV5XD for Chelsea 489...
    29-07050120
    SKU:
    29-07050120
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,343.99
    Qty in Cart: 0
    Price:
    $1,343.99
    Subtotal:
  • BESTfit Power Take-Off 8 Bolt, 6 Assembly Arrangement Replaces 489XHAHXA6XD

    BESTfit Power Take-Off 8 Bolt, 6 Assembly Arrangement Replaces 489XHAHXA6XD

    BESTFIT TRUCK PARTS

    $1,355.99
    8 Bolt, 6 Assembly Arrangement Power Take-Off By BESTfit Replaces 489XHAHXA6XDBuilt for strength and reliability, the BESTfit 8 Bolt Air Shift Power Take-Off replaces OEM reference 489XHAHXA6XD for...
    29-07050117
    SKU:
    29-07050117
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,355.99
    Qty in Cart: 0
    Price:
    $1,355.99
    Subtotal:
  • BESTfit Power Take-Off 6 Bolt Air Shift Replaces 442GFAHXA3XD, MH6GB01XA1SE

    BESTfit Power Take-Off 6 Bolt Air Shift Replaces 442GFAHXA3XD, MH6GB01XA1SE

    BESTFIT TRUCK PARTS

    $1,333.99
    6 Bolt Air Shift Power Take-Off By BESTfit Replaces 442GFAHXA3XD, MH6GB01XA1SEBuilt for strength and reliability, the BESTfit 6 Bolt Air Shift Power Take-Off replaces OEM references 442GFAHXA3XD and...
    29-07050106
    SKU:
    29-07050106
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,333.99
    Qty in Cart: 0
    Price:
    $1,333.99
    Subtotal:
  • BESTfit Power Take-Off 8 Bolt Air Shift Replaces 489GUAHXA3XD

    BESTfit Power Take-Off 8 Bolt Air Shift Replaces 489GUAHXA3XD

    BESTFIT TRUCK PARTS

    $1,415.99
    8 Bolt Air Shift Power Take-Off By BESTfit Replaces 489GUAHXA3XDBuilt for strength and reliability, the BESTfit 8 Bolt Air Shift Power Take-Off replaces OEM reference 489GUAHXA3XD for Chelsea 489...
    29-07050116
    SKU:
    29-07050116
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,415.99
    Qty in Cart: 0
    Price:
    $1,415.99
    Subtotal:
  • BESTfit Power Take-Off 8 Bolt W/ 1 Inch Shaft Replaces 489XSAHXV3AF

    BESTfit Power Take-Off 8 Bolt W/ 1 Inch Shaft Replaces 489XSAHXV3AF

    BESTFIT TRUCK PARTS

    $1,443.99
    8 Bolt W/1 Inch Shaft Power Take-Off By BESTfit Replaces 489XSAHXV3AFBuilt for strength and reliability, the BESTfit 8 Bolt Power Take-Off with 1 inch shaft replaces OEM reference 489XSAHXV3AF for...
    29-07050119
    SKU:
    29-07050119
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,443.99
    Qty in Cart: 0
    Price:
    $1,443.99
    Subtotal:
  • BESTfit Power Take-Off W/ 7/8 Inch Shaft, Rotatable Output Flange Replaces 271MAAJPB5RB, 272MAAJPB3RB

    BESTfit Power Take-Off W/ 7/8 Inch Shaft, Rotatable Output Flange Replaces 271MAAJPB5RB, 272MAAJPB3RB

    BESTFIT TRUCK PARTS

    $3,350.99
    Power Take-Off W/ 7/8 Inch Shaft, Rotatable Output Flange By BESTfit Replaces 271MAAJPB5RB, 272MAAJPB3RBBuilt for strength and precision, the BESTfit 7/8 inch Shaft Power Take-Off with rotatable SAE...
    29-07050113
    SKU:
    29-07050113
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $3,350.99
    Qty in Cart: 0
    Price:
    $3,350.99
    Subtotal:
  • BESTfit Power Take-Off 8 Bolt W/O Install Kit Replaces 680XFAHXV3XD

    BESTfit Power Take-Off 8 Bolt W/O Install Kit Replaces 680XFAHXV3XD

    BESTFIT TRUCK PARTS

    $2,040.99
    8 Bolt Power Take-Off W/O Install Kit By BESTfit Replaces 680XFAHXV3XDBuilt for strength and dependable operation, the BESTfit 8 Bolt PTO Without Install Kit replaces OEM reference 680XFAHXV3XD for...
    29-07050102
    SKU:
    29-07050102
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $2,040.99
    Qty in Cart: 0
    Price:
    $2,040.99
    Subtotal:
  • BESTfit Power Take-Off 6 Bolt W/O Shaft Brake Replaces 270GAHVPB3XD, 272GAHVPB3XD

    BESTfit Power Take-Off 6 Bolt W/O Shaft Brake Replaces 270GAHVPB3XD, 272GAHVPB3XD

    BESTFIT TRUCK PARTS

    $3,058.99
    6 Bolt W/O Shaft Brake Power Take-Off By BESTfit Replaces 270GAHVPB3XD, 272GAHVPB3XDBuilt for strength and reliability, the BESTfit 6 Bolt PTO Without Shaft Brake replaces OEM references 270GAHVPB3XD...
    29-07050112
    SKU:
    29-07050112
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $3,058.99
    Qty in Cart: 0
    Price:
    $3,058.99
    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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