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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
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49600, 38523, 21291243

    Serpentine Belt Tensioner Pulley Assembly Replaces 49600, 38523, 21291243

    AFTERMARKET

    $145.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.811 Inch Pulley Width   - 2.992 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060171
    SKU:
    29-07060171
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 3/4 Inch
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 87Gb41A, 87Gb41C, 38523

    Serpentine Belt Tensioner Pulley Assembly Replaces 87Gb41A, 87Gb41C, 38523

    AFTERMARKET

    $144.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060154
    SKU:
    29-07060154
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49501, 38504, 3978022

    Serpentine Belt Tensioner Pulley Assembly Replaces 49501, 38504, 3978022

    AFTERMARKET

    $194.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060161
    SKU:
    29-07060161
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $194.99
    Qty in Cart: 0
    Price:
    $194.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49521, 38516, 3281583

    Serpentine Belt Tensioner Pulley Assembly Replaces 49521, 38516, 3281583

    AFTERMARKET

    $203.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.310 Inch Pulley Width   - 3.023 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060157
    SKU:
    29-07060157
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $203.99
    Qty in Cart: 0
    Price:
    $203.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 38627, 3973819, 49581

    Serpentine Belt Tensioner Pulley Assembly Replaces 38627, 3973819, 49581

    AFTERMARKET

    $148.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.311 Inch Pulley Width   - 3.023 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060149
    SKU:
    29-07060149
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Freightliner
    Make:
    Sterling
    Make:
    Peterbilt
    Make:
    Kenworth
    $148.99
    Qty in Cart: 0
    Price:
    $148.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49552, 87Gb46C, 130441000

    Serpentine Belt Tensioner Pulley Assembly Replaces 49552, 87Gb46C, 130441000

    AFTERMARKET

    $114.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 0.984 Inch Pulley Width   - 2.992 Inch Pulley O.D. * Made In USA* Sold Individually* Warranty On Tensioners...
    29-07060163
    SKU:
    29-07060163
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 Inch
    Make:
    Universal Items
    $114.99
    Qty in Cart: 0
    Price:
    $114.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 38702, 49607, 5270678

    Serpentine Belt Tensioner Pulley Assembly Replaces 38702, 49607, 5270678

    AFTERMARKET

    $169.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.3 Inch Pulley Width   - 3.0 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060148
    SKU:
    29-07060148
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49561, 9062002470

    Serpentine Belt Tensioner Pulley Assembly Replaces 49561, 9062002470

    AFTERMARKET

    $127.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060155
    SKU:
    29-07060155
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $127.99
    Qty in Cart: 0
    Price:
    $127.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 50028, 36341

    Serpentine Belt Tensioner Pulley Assembly Replaces 50028, 36341

    AFTERMARKET

    $113.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Pulley* Dimensions:  - 1.419 Inch Width   - 0.669 Inch Bearing I.D.   - 2.913 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty...
    29-07060150
    SKU:
    29-07060150
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/4 Inch
    Make:
    Freightliner
    Make:
    Sterling
    Make:
    Peterbilt
    Make:
    International
    Make:
    Western Star
    Make:
    Kenworth
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49566, 38597, 127427001

    Serpentine Belt Tensioner Pulley Assembly Replaces 49566, 38597, 127427001

    AFTERMARKET

    $213.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060164
    SKU:
    29-07060164
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Width Options:
    1 1/4 Inch
    Make:
    Universal Items
    $213.99
    Qty in Cart: 0
    Price:
    $213.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49514, 38501, 23520317

    Serpentine Belt Tensioner Pulley Assembly Replaces 49514, 38501, 23520317

    AUTOMANN USA

    $176.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioners...
    29-07060140
    SKU:
    29-07060140
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Kenworth
    Make:
    Peterbilt
    Make:
    Sterling
    Make:
    Freightliner
    Make:
    Western Star
    Width Options:
    1 1/4 Inch
    $176.99
    Qty in Cart: 0
    Price:
    $176.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49502, 38508, 1352150

    Serpentine Belt Tensioner Pulley Assembly Replaces 49502, 38508, 1352150

    AFTERMARKET

    $233.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060160
    SKU:
    29-07060160
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $233.99
    Qty in Cart: 0
    Price:
    $233.99
    Subtotal:
  • Cummins N14 Balancer

    Cummins N14 Balancer

    PITTSBURGH POWER

    $265.99
    Balancer Cummins N14/NTC/ Caterpillar C12/13Balance your engine easily without a trip to the machine shop. This device fits right between your crankshaft damper and crankshaft, effectively...
    29-0704033
    SKU:
    29-0704033
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • Defender DEF Locking Cap Replaces 04-27757-000

    Defender DEF Locking Cap Replaces 04-27757-000

    AFTERMARKET

    $60.99
    Diesel Exhaust Fluid Tank Filler Locking Cap* High Quality Defender Locking Def Cap* Single Sided Key Type* Includes 2 Cut Keys* Made In USA* Sold Individually* Warranty On Defender Locking Def Caps...
    29-0603002
    SKU:
    29-0603002
    Product Type:
    Fuel Tanks
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Peterbilt
    Make:
    Ford
    Make:
    Western Star
    Ready To Ship:
    Yes
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49580, 38607

    Serpentine Belt Tensioner Pulley Assembly Replaces 49580, 38607

    AFTERMARKET

    $265.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.574 Inch Pulley Width   - 2.952 Inch Pulley O.D.* Made In USA* Sold Individually* Warranty On Tensioner...
    29-07060147
    SKU:
    29-07060147
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Width Options:
    1 1/2 Inch
    Make:
    Universal Items
    $265.99
    Qty in Cart: 0
    Price:
    $265.99
    Subtotal:
  • Serpentine Belt Tensioner Pulley Assembly Replaces 49517, 38517

    Serpentine Belt Tensioner Pulley Assembly Replaces 49517, 38517

    AUTOMANN USA

    $143.99
    Drive Belt Tensioner & Pulley Assembly* High Quality Tensioner Assembly* Dimensions:  - 1.279 Inch Pulley Width   - 2.952 Inch Pulley O.D. * Made In USA* Sold Individually* Warranty On Tensioners...
    29-07060139
    SKU:
    29-07060139
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Freightliner
    Make:
    Kenworth
    Make:
    Ford
    Make:
    Sterling
    Width Options:
    1 1/4 Inch
    $143.99
    Qty in Cart: 0
    Price:
    $143.99
    Subtotal:
  • EGR Temperature Sensor Replaces 4902912, 2596660C1, 4700501

    EGR Temperature Sensor Replaces 4902912, 2596660C1, 4700501

    AFTERMARKET

    $103.99
    Exhaust Gas Temperature SensorThis EGR Temperature Sensor is manufactured to strict OE standards, ensuring perfect functionality and easy installation that matches your vehicle seamlessly. Engineered...
    29-07100036
    SKU:
    29-07100036
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Color:
    Black
    $103.99
    Qty in Cart: 0
    Price:
    $103.99
    Subtotal:
  • Turbo Mounting Gasket Replaces 189998PE, 908.570, 908570

    Turbo Mounting Gasket Replaces 189998PE, 908.570, 908570

    AUTOMANN USA

    $22.03
    Turbo Mounting Gasket Paccar MX13 For Elring* High Quality Turbo Mounting Gasket* Sold Individually* Warranty On Turbo Mounting Gaskets Against Defects In Workmanship & Material From Date Of...
    29-07040030
    SKU:
    29-07040030
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $22.03
    Qty in Cart: 0
    Price:
    $22.03
    Subtotal:
  • Hose Connector Tee 5/16 Inch

    Hose Connector Tee 5/16 Inch

    AUTOMANN USA

    $9.90
    5/16 Inch Hose Connector Tee* High Quality Conti Hose Connector Tee* Glass-Filled Glass Nylon* 5/16 Inch* Temperature Range -50 Deg F To 275 Deg F* Sold As Pack* Warranty On Conti Hose Connector Tees...
    09-07000006
    SKU:
    09-07000006
    Material Options:
    Nylon
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $9.90
    Qty in Cart: 0
    Price:
    $9.90
    Subtotal:
  • Tensioner Assembly With 1.574 X 2.952 OD Pulley

    Tensioner Assembly With 1.574 X 2.952 OD Pulley

    AUTOMANN USA

    $199.99
    Tensioner AssemblyMaintain precise belt tension and improve engine efficiency with this high-quality Tensioner Assembly, featuring a pulley measuring 1.574 inches wide and 2.952 inches OD. Sold...
    29-07060135
    SKU:
    29-07060135
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $199.99
    Qty in Cart: 0
    Price:
    $199.99
    Subtotal:
  • Total: items /

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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