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Kenworth T2000 Engine Parts & Cooling

Boost your Freightliner's performance with top-quality engine parts and cooling components from 4 State Trucks. With everything from Transmission Coolers to Oil Filters, we've got you covered. Questions? Our team is here to help!
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Belt Tensioner Assembly 1.826 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.826 X 2.952 Inch Pulley

    AFTERMARKET

    $236.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.826 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060049
    SKU:
    29-07060049
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $236.99
    Qty in Cart: 0
    Price:
    $236.99
    Subtotal:
  • Poly- V Ribbed Serpentine Belt 53.90 Inch Replaces 4050539

    Poly- V Ribbed Serpentine Belt 53.90 Inch Replaces 4050539

    AUTOMANN USA

    $26.43
    53.90 Inch Poly- V Serpentine Belt Replaces 5K538, K050538, 4050539* High Quality V Serpentine Belt* Dimensions:  - 53.90 Inch Effective Length  - 54.30 Inch Outside Length* 5 Ribs* Sold...
    29-07060073
    SKU:
    29-07060073
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $26.43
    Qty in Cart: 0
    Price:
    $26.43
    Subtotal:
  • Belt Tensioner Assembly - 39120, 49464, 89395DAY

    Belt Tensioner Assembly - 39120, 49464, 89395DAY

    AFTERMARKET

    $124.99
    Drive Belt Tensioner Assembly with 2 Pulleys* High Quality Belt Tensioner Assembly* Dimensions:  - 1.072 Inch/ 1.031 Inch Pulley Width  - 2.968 Inch/ 3 Inch Pulley OD* 6 Grooves* Made In USA* Sold...
    29-07060053
    SKU:
    29-07060053
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $124.99
    Qty in Cart: 0
    Price:
    $124.99
    Subtotal:
  • Belt Tensioner Assembly 1.830 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.830 X 2.952 Inch Pulley

    AFTERMARKET

    $213.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.830 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060045
    SKU:
    29-07060045
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 3/4 Inch
    Diameter Options:
    3 Inch
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Belt Tensioner Assembly 1.574 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.574 X 2.952 Inch Pulley

    AFTERMARKET

    $134.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060050
    SKU:
    29-07060050
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/2 Inch
    Diameter Options:
    3 Inch
    $134.99
    Qty in Cart: 0
    Price:
    $134.99
    Subtotal:
  • Belt Tensioner Assembly 1.692 X 2.913 Inch Pulley

    Belt Tensioner Assembly 1.692 X 2.913 Inch Pulley

    AFTERMARKET

    $208.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.692 Inch Pulley Width  - 2.913 Inch Pulley OD* 10 Grooves* Made In USA* Sold Individually* Warranty On...
    29-07060048
    SKU:
    29-07060048
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    2 3/4 Inch
    Width Options:
    1 5/8 Inch
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • Belt Tensioner Assembly 1.871 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.871 X 2.952 Inch Pulley

    AFTERMARKET

    $294.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.871 Inch Pulley Width   - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060047
    SKU:
    29-07060047
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 3/4 Inch
    Diameter Options:
    3 Inch
    $294.99
    Qty in Cart: 0
    Price:
    $294.99
    Subtotal:
  • Belt Tensioner Assembly 1.811 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.811 X 2.952 Inch Pulley

    AFTERMARKET

    $246.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.811 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060041
    SKU:
    29-07060041
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1 3/4 Inch
    $246.99
    Qty in Cart: 0
    Price:
    $246.99
    Subtotal:
  • Belt Tensioner Assembly 1.279 X 2.952 Inch Pulley

    Belt Tensioner Assembly 1.279 X 2.952 Inch Pulley

    AFTERMARKET

    $194.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.279 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060046
    SKU:
    29-07060046
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/4 Inch
    Diameter Options:
    3 Inch
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Belt Tensioner Assembly 1.299 X 3 Inch Pulley

    Belt Tensioner Assembly 1.299 X 3 Inch Pulley

    AFTERMARKET

    $112.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.299 Inch Pulley Width  - 3.00 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060043
    SKU:
    29-07060043
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $112.99
    Qty in Cart: 0
    Price:
    $112.99
    Subtotal:
  • Belt Tensioner Assembly 0.131 X 3.023 Inch Pulley

    Belt Tensioner Assembly 0.131 X 3.023 Inch Pulley

    AFTERMARKET

    $221.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 0.131 Inch Pulley Width  - 3.023 Inch Pulley OD* 8 Grooves* Made In USA* Sold Individually* Warranty On...
    29-07060044
    SKU:
    29-07060044
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1/4 Inch
    $221.99
    Qty in Cart: 0
    Price:
    $221.99
    Subtotal:
  • Belt Tensioner Assembly 1.20 X 2.992 OD Pulley

    Belt Tensioner Assembly 1.20 X 2.992 OD Pulley

    AFTERMARKET

    $71.99
    Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.20 Inch Pulley Width  - 2.992 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060037
    SKU:
    29-07060037
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/4 Inch
    Diameter Options:
    3 Inch
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Belt Tensioner Assembly 1.574 X 2.952 Pulley

    Belt Tensioner Assembly 1.574 X 2.952 Pulley

    AFTERMARKET

    $212.99
    Drive Belt Tensioner Assembly* High Quality Tensioner Assembly* Steel And Poly* Dimensions:  - 1.574 Inch Pulley Width  - 2.952 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060042
    SKU:
    29-07060042
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    1 1/2 Inch
    Diameter Options:
    3 Inch
    $212.99
    Qty in Cart: 0
    Price:
    $212.99
    Subtotal:
  • Belt Tensioner Assembly 1.090 X 2.99 Inch Pulley

    Belt Tensioner Assembly 1.090 X 2.99 Inch Pulley

    AFTERMARKET

    $208.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.090 Inch Pulley Width  - 2.99 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060039
    SKU:
    29-07060039
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Diameter Options:
    3 Inch
    Width Options:
    1 1/16 Inch
    $208.99
    Qty in Cart: 0
    Price:
    $208.99
    Subtotal:
  • Belt Tensioner Assembly .75 X 2.76 Inch Pulley

    Belt Tensioner Assembly .75 X 2.76 Inch Pulley

    AFTERMARKET

    $370.99
    Drive Belt Tensioner Assembly* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 0.75 Inch Pulley Width  - 2.76 Inch Pulley OD* Made In USA* Sold Individually* Warranty On Belt...
    29-07060040
    SKU:
    29-07060040
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    3/4 Inch
    Diameter Options:
    2 3/4 Inch
    $370.99
    Qty in Cart: 0
    Price:
    $370.99
    Subtotal:
  • Belt Tensioner Assembly 1.42 X 3.54 Pulley Replaces 49326, 89430DAY, 38256,15021742, 150217420, 150292568

    Belt Tensioner Assembly 1.42 X 3.54 Pulley Replaces 49326, 89430DAY, 38256,15021742, 150217420, 150292568

    AFTERMARKET

    $190.99
    Belt Tensioner Assembly 1.42 X 3.54 Pulley* High Quality Belt Tensioner Assembly* Steel And Poly* Dimensions:  - 1.42 Inch Pulley Width  - 3.54 Inch Pulley OD* Made In USA* Sold Individually*...
    29-07060038
    SKU:
    29-07060038
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $190.99
    Qty in Cart: 0
    Price:
    $190.99
    Subtotal:
  • Height Control Valve 90555376

    Height Control Valve 90555376

    AFTERMARKET

    $141.99
    Replacement Haldex PR Plus Height Control Valve* High Quality Height Control Valve* 7 Inch C To C* Non-Time Delay Valve* Tight Dead Zone* Provides Precise Adjustment To Ride Height Variation*...
    29-05100055
    SKU:
    29-05100055
    Product Type:
    Frame & Chassis
    Make:
    Kenworth
    Make:
    Universal Items
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • RG3 Portable Refrigerant Recovery Machine – 115V, 60HZ, 1/3 HP, Single Cylinder

    RG3 Portable Refrigerant Recovery Machine – 115V, 60HZ, 1/3 HP, Single Cylinder

    AFTERMARKET

    $1,304.99
    RG6 AC Portable Recovery Machine for Both Liquid and Vapor RefrigerantLooking for a reliable vacuum pump for your air conditioning and refrigeration needs? Check out this VacuMaster Single-Stage...
    09-07120002
    SKU:
    09-07120002
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,304.99
    Qty in Cart: 0
    Price:
    $1,304.99
    Subtotal:
  • SS Super-Seal Hose Clamp 3.03 to 3.78 Inch

    SS Super-Seal Hose Clamp 3.03 to 3.78 Inch

    AUTOMANN USA

    $9.90
    304 Stainless Steel Super-Seal Clamp* High Quality Clamp* Stainless Steel* 3.03 Inch To 3.78 Inch* With 410 Stainless Steel Screws * 0.57 Inch Wide Stainless Steel Band (Included)* Torque Range Of 90...
    09-07020013
    SKU:
    09-07020013
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $9.90
    Qty in Cart: 0
    Price:
    $9.90
    Subtotal:
  • VacuMaster Single Stage Vacuum Pump 15310

    VacuMaster Single Stage Vacuum Pump 15310

    AFTERMARKET

    $391.99
    3 CFM Single Stage PumpThe VacuMaster Single-Stage Vacuum Pump works great for air conditioning and refrigeration service. It features a single-stage rotary vane design and can move 3 CFM of air...
    09-07120001
    SKU:
    09-07120001
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Make:
    Universal Items
    $391.99
    Qty in Cart: 0
    Price:
    $391.99
    Subtotal:
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Adding your products to cart

Keep your Kenworth T2000 running cool and strong with engine and cooling parts designed to deliver top performance. Whether you're looking for air compressors and radiators or hoses and cooling fans, you'll find everything you need to maintain or upgrade your truck. With high-quality, OEM-style replacements, it's easy to keep your engine in peak condition and your rig ready for the road.

Frequently Asked Questions About Kenworth T2000 Engine Parts & Cooling

What year models of Kenworth T2000 are these engine cooling parts compatible with?

Our engine cooling parts are designed to fit Kenworth T2000 models from 1996 through 2004. However, compatibility can vary depending on your specific engine configuration. T2000s came with several engine options including Caterpillar C12, C13, C15, C16, Detroit Series 60, and Cummins ISX. Always verify your engine model and serial number before ordering to ensure proper fitment. If you're unsure, our customer service team can help you identify the correct parts using your OEM number.

How difficult is it to replace a radiator or water pump on a T2000, and what tools do I need?

Radiator replacement typically takes 3-5 hours for an experienced mechanic and requires basic hand tools, a coolant drain pan, and potentially a hoist for easier access. You'll need metric and standard socket sets, pliers for hose clamps, and a torque wrench for proper reassembly. Water pump replacement is more involved, usually requiring 4-6 hours, as you'll need to remove belts, pulleys, and sometimes the fan assembly. Many drivers report that accessing the lower radiator connections can be challenging due to the T2000's tight engine compartment. Having a creeper and good work lights makes the job significantly easier.

What's the difference between aluminum and plastic-tank radiators for the T2000, and which lasts longer?

Aluminum radiators with welded tanks typically last 8-12 years and handle temperature fluctuations better than plastic-tank units. Plastic-tank radiators usually cost 30-40% less but may only last 5-7 years before the tanks crack or separate at the crimped joints. Many T2000 owners prefer all-aluminum radiators for heavy-duty applications or hot climate operations. While plastic-tank radiators work fine for standard highway use, the aluminum units offer better long-term value despite the higher upfront cost.

Why is my T2000 running hot even after replacing the thermostat and coolant?

Overheating issues often involve multiple components beyond just the thermostat. Common culprits include a clogged radiator (even if it looks clean externally), a failing water pump that's not circulating coolant properly, or a damaged fan clutch not engaging at the correct temperature. Air pockets in the cooling system after service can also cause hot spots. Additionally, check for exhaust gas in the coolant system, which could indicate head gasket issues. The T2000's charge air cooler can also restrict airflow to the radiator if it's clogged with debris.

What are the most common cooling system failures on the T2000, and what parts should I keep on hand?

Based on driver reports, the most frequent failures include coolant hoses (especially the lower radiator hose that's exposed to road debris), thermostats sticking closed around 150,000-200,000 miles, and fan clutch failures causing overheating under load. Smart operators keep spare upper and lower radiator hoses, a thermostat, coolant temperature sensor, and extra coolant on hand. Belt tensioners and idler pulleys are also common failure points that can leave you stranded. Many experienced T2000 drivers recommend replacing all coolant hoses every 4-5 years as preventive maintenance, regardless of appearance.


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