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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!
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  • Quantity
  • Price
  • Subtotal
  • BESTfit Stud Kit Replaces 328170217X, 328170217XB

    BESTfit Stud Kit Replaces 328170217X, 328170217XB

    BESTFIT TRUCK PARTS

    $272.99
    Stud Kit By BESTfit Replaces 328170217X, 328170217XBEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 328170217X and 328170217XB designed specifically...
    29-07050035
    SKU:
    29-07050035
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $272.99
    Qty in Cart: 0
    Price:
    $272.99
    Subtotal:
  • BESTfit Stud Kit Replaces 32817076X, 32817076XB, 71702X

    BESTfit Stud Kit Replaces 32817076X, 32817076XB, 71702X

    BESTFIT TRUCK PARTS

    $22.99
    Stud Kit By BESTfit Replaces 32817076X, 32817076XB, 71702XEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 32817076X, 32817076XB, and 71702X designed...
    29-07050033
    SKU:
    29-07050033
    Position:
    Kit Full
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $22.99
    Qty in Cart: 0
    Price:
    $22.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XRAHXV3RA, 489XRAHXV3XQ, 489XRAHXV3RK

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XRAHXV3RA, 489XRAHXV3XQ, 489XRAHXV3RK

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take-Off By BESTfit Replaces 489XRAHXV3RA, 489XRAHXV3XQ, 489XRAHXV3RK Fits Mechanical TransmissionBuilt for strength and reliability, the BESTfit Power Take-Off is a premium replacement for...
    29-07050038
    SKU:
    29-07050038
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XLAHXV3RK, 489XLAHXV3RA, 489XLAHXV3RB

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XLAHXV3RK, 489XLAHXV3RA, 489XLAHXV3RB

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take-Off By BESTfit Replaces 489XLAHXV3RK, 489XLAHXV3RA, 489XLAHXV3RB Fits Mechanical TransmissionsBuilt for strength and dependable performance, the BESTfit Power Take-Off is a high-quality...
    29-07050031
    SKU:
    29-07050031
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXV3RA, 489XFAHXV3RB, 489XFAHXV3XK

    BESTfit Power Take-Off For Mechanical Transmissions Replaces 489XFAHXV3RA, 489XFAHXV3RB, 489XFAHXV3XK

    BESTFIT TRUCK PARTS

    $1,401.99
    Power Take- Off By BESTfit Replaces 489XFAHXV3RA, 489XFAHXV3RB, 489XFAHXV3XK Fits Mechanical TransmissionsBuilt for strength and reliability, the BESTfit Power Take-Off is a high-quality replacement...
    29-07050034
    SKU:
    29-07050034
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,401.99
    Qty in Cart: 0
    Price:
    $1,401.99
    Subtotal:
  • BESTfit Stud Kit Replaces 717086X

    BESTfit Stud Kit Replaces 717086X

    BESTFIT TRUCK PARTS

    $80.99
    Stud Kit By BESTfitEnsure a strong and reliable PTO installation with the BESTfit Stud Kit, a premium replacement for 717086X designed specifically for Chelsea 280 Series PTO applications. This...
    29-07050030
    SKU:
    29-07050030
    Position:
    Kit Full
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $80.99
    Qty in Cart: 0
    Price:
    $80.99
    Subtotal:
  • BESTfit Doser Injector Gasket For Cummins Engine Replaces 4354280, 2885890, A029Y977

    BESTfit Doser Injector Gasket For Cummins Engine Replaces 4354280, 2885890, A029Y977

    BESTFIT TRUCK PARTS

    $50.99
    Doser Injector Gasket Gasket By BESTfit Replaces 4354280, 2885890, A029Y977 Fits Cummins EngineMaintain proper injector sealing with the BESTfit Doser Injector Gaske for Cummins engines. Constructed...
    29-06070023
    SKU:
    29-06070023
    Product Type:
    Fuel Tanks
    Material Options:
    Stainless Steel
    Style Options:
    Cummins
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Paccar MX-13

    Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Paccar MX-13

    BULLY DOG

    $5,000.00
    Choose Option(s) to see description.Fitment** Fits Models W/ PACCAR MX-13 Engines 2010-2013Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator Replaces 5355091 For Paccar MX-13Paccar MX-13 Stage 1 VGT...
    PPR_300802
    SKU:
    PPR_300802
    Material Options:
    Billet Aluminum
    Product Type:
    Engine Parts
    Style Options:
    Paccar
    Make:
    Universal Items
    Make:
    Other - Semi-Truck
    $5,000.00
    Qty in Cart: 0
    Price:
    $5,000.00
    Subtotal:
  • Bully Dog Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins X15 CM2350 & CM2450

    Bully Dog Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins X15 CM2350 & CM2450

    BULLY DOG

    $6,000.00
    Experience more responsive power and improved engine efficiency with this Stage 1 Billet Wheel VGT Turbo Charger with Actuator, designed for Cummins X15 Low or High HP engines and replacing 5459710...
    PPR_300798
    SKU:
    PPR_300798
    Material Options:
    Billet Aluminum
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Other - Semi-Truck
    Make:
    Universal Items
    $6,000.00
    Qty in Cart: 0
    Price:
    $6,000.00
    Subtotal:
  • Limited Quantity Available
    BESTfit A/C O- Ring Kit For Early Or Late Model Applications

    BESTfit A/C O- Ring Kit For Early Or Late Model Applications

    BESTFIT TRUCK PARTS

    $4.99 - $14.99
    Ensure a secure, leak-free seal in your air conditioning system with the BESTfit A/C O-Ring Kit for early or late model applications. This high-quality kit is made from durable EPDM material,...
    PPR_300804
    SKU:
    PPR_300804
    Color:
    Green
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $4.99 - $14.99
    Qty in Cart: 0
    Price:
    $4.99 - $14.99
    Subtotal:
  • Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins ISX15, X15 & QSX

    Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins ISX15, X15 & QSX

    BULLY DOG

    $4,750.00
    If your goal is smoother boost and reduced turbo lag, this Stage 1 VGT Turbo Charger offers a refined upgrade path. Featuring a billet aluminum compressor wheel and upgraded diffuser plates, the...
    PPR_300797
    SKU:
    PPR_300797
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Material Options:
    Billet Aluminum
    Make:
    Other - Semi-Truck
    Make:
    Universal Items
    $4,750.00
    Qty in Cart: 0
    Price:
    $4,750.00
    Subtotal:
  • Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins ISX 871

    Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins ISX 871

    BULLY DOG

    $4,750.00
    Maximize torque, efficiency, and reliability with the Stage 1 Billet Wheel VGT Turbo Charger with Actuator, replacing 3774613/2881993/4309078 for Cummins ISX 871 engines. The aluminum billet...
    PPR_300799
    SKU:
    PPR_300799
    Material Options:
    Billet Aluminum
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Other - Semi-Truck
    Make:
    Universal Items
    $4,750.00
    Qty in Cart: 0
    Price:
    $4,750.00
    Subtotal:
  • Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins ISB 6.7L

    Stage 1 Billet Wheel VGT Turbo Charger W/ Actuator For Cummins ISB 6.7L

    BULLY DOG

    $4,398.00
    Boost your Cummins ISB 6.7L performance with the Stage 1 Billet Wheel VGT Turbo Charger with Actuator, a direct replacement for 3789505/6411490/6411519. Its aluminum billet wheel, Cobalt VGT cage,...
    PPR_300800
    SKU:
    PPR_300800
    Product Type:
    Engine Parts
    Material Options:
    Billet Aluminum
    Style Options:
    Cummins
    Make:
    Other - Semi-Truck
    Make:
    Universal Items
    $4,398.00
    Qty in Cart: 0
    Price:
    $4,398.00
    Subtotal:
  • BESTfit Hydrocarbon Injector Metering Unit Replaces 0444030007, 0444030007, A4710700055

    BESTfit Hydrocarbon Injector Metering Unit Replaces 0444030007, 0444030007, A4710700055

    BESTFIT TRUCK PARTS

    $394.99
    Hydrocarbon Injector Metering Unit By BESTfitMaintain efficient aftertreatment performance with the BESTfit Hydrocarbon Injector Metering Unit, designed as a direct replacement for part numbers...
    29-08090075
    SKU:
    29-08090075
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $394.99
    Qty in Cart: 0
    Price:
    $394.99
    Subtotal:
  • BESTfit Detroit Diesel Water Pump For Detroit S60 14.0L Engine Replaces R23538636, E23537768, 23539199

    BESTfit Detroit Diesel Water Pump For Detroit S60 14.0L Engine Replaces R23538636, E23537768, 23539199

    BESTFIT TRUCK PARTS

    $462.99
    Water Pump By BESTfit Replaces R23538636, E23537768, 23539199 Fits Detroit S60 14.0L EngineEnhance your engine cooling system with the BESTfit Detroit Diesel Water Pump, a direct replacement for OEM...
    29-07120173
    SKU:
    29-07120173
    Style Options:
    Detroit
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $462.99
    Qty in Cart: 0
    Price:
    $462.99
    Subtotal:
  • BESTfit CAT Water Pump W/ Domed Gear Helix Teeth For Caterpillar 3406E Engine Replaces 0R8330, 1333569, 181787

    BESTfit CAT Water Pump W/ Domed Gear Helix Teeth For Caterpillar 3406E Engine Replaces 0R8330, 1333569, 181787

    BESTFIT TRUCK PARTS

    $676.99
    CAT Water Pump W/ Domed Gear Helix Teeth By BESTfit Replaces 0R8330, 1333569, 181787 Fits Caterpillar 3406E EngineEnhance your engine cooling system with the BESTfit CAT Water Pump, a direct...
    29-07120169
    SKU:
    29-07120169
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $676.99
    Qty in Cart: 0
    Price:
    $676.99
    Subtotal:
  • BESTfit CAT Water Pump For Caterpillar 3176B, C10 & C12 Engine Replaces 1588053, 99300HD, US70

    BESTfit CAT Water Pump For Caterpillar 3176B, C10 & C12 Engine Replaces 1588053, 99300HD, US70

    BESTFIT TRUCK PARTS

    $409.99
    Water Pump By BESTfit Replaces 1588053, 99300HD, US70 Fits Caterpillar 3176B, C10 & C12 EngineUpgrade your engine cooling system with the BESTfit CAT Water Pump, a direct replacement for OEM part...
    29-07120165
    SKU:
    29-07120165
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $409.99
    Qty in Cart: 0
    Price:
    $409.99
    Subtotal:
  • BESTfit Perkins Water Pump For Caterpillar Perkins C4.4, C6.6 & C7.1 Replaces 2772913, 4131A062, 4854895

    BESTfit Perkins Water Pump For Caterpillar Perkins C4.4, C6.6 & C7.1 Replaces 2772913, 4131A062, 4854895

    BESTFIT TRUCK PARTS

    $182.99
    Perkins Water Pump By BESTfit Replaces 2772913, 4131A062, 4854895 Fits Caterpillar Perkins C4.4, C6.6 & C7.1Upgrade your engine cooling system with the BESTfit Perkins Water Pump, a direct...
    29-07120172
    SKU:
    29-07120172
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Make:
    Universal Items
    $182.99
    Qty in Cart: 0
    Price:
    $182.99
    Subtotal:
  • BESTfit CAT Water Pump For Caterpillar 3126B & C7 Engine Replaces 1939239, 3522139, 2364420

    BESTfit CAT Water Pump For Caterpillar 3126B & C7 Engine Replaces 1939239, 3522139, 2364420

    BESTFIT TRUCK PARTS

    $366.99
    Water Pump By BESTfit Replaces 1939239, 3522139, 2364420 Fits Caterpillar 3126B & C7 EngineUpgrade your engine cooling system with the BESTfit CAT Water Pump, a direct replacement for OEM part...
    29-07120175
    SKU:
    29-07120175
    Style Options:
    Caterpillar
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $366.99
    Qty in Cart: 0
    Price:
    $366.99
    Subtotal:
  • BESTfit Cummins Water Pump For Cummins L10 Engine Replaces 3255965, G3803402, WP2254

    BESTfit Cummins Water Pump For Cummins L10 Engine Replaces 3255965, G3803402, WP2254

    BESTFIT TRUCK PARTS

    $929.99
    Water Pump By BESTfit Replaces 3255965, G3803402, WP2254 Fits Cummins L10 EngineUpgrade your engine cooling system with the BESTfit Cummins Water Pump, a direct replacement for OEM part numbers...
    29-07120174
    SKU:
    29-07120174
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    Make:
    Universal Items
    $929.99
    Qty in Cart: 0
    Price:
    $929.99
    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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