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Dodge Ram 2500 Truck Engine Parts

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  • Qty in Cart
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  • Price
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  • Harness Injector Dozer Kit For Cummins Dozer

    Harness Injector Dozer Kit For Cummins Dozer

    JML KUSTOMS

    $16.81
    Harness Injector Cummins Dozer KitThis heavy-duty injector harness kit is built with 16 AWG nylon/copper wiring and is designed for use with Cummins-powered dozers. It features a plug-and-play design...
    29-16030021
    SKU:
    29-16030021
    Product Type:
    Engine Parts
    Material Options:
    Copper
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • Third Position Female Connector For Water In Fuel Application For Detroit DD13, DD15, DD16

    Third Position Female Connector For Water In Fuel Application For Detroit DD13, DD15, DD16

    JML KUSTOMS

    $16.81
    Detroit Engine Third Position Female ConnectorThis third-position female connector kit is designed for fuel-in-water sensors on engines such as DD13, DD15, and DD16. It uses 16 AWG nylon/copper...
    29-16030020
    SKU:
    29-16030020
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • 4 Way Female Compact Nox Sensor Connector Pigtail 1.1 m Gray

    4 Way Female Compact Nox Sensor Connector Pigtail 1.1 m Gray

    JML KUSTOMS

    $23.55
    4 Way Female Compact Nox Sensor Connector PigtailThis connector pigtail is built with 16 AWG nylon/copper wiring and features a gray, 4-way female compact plug that's designed to fit NOX sensors used...
    09-160300013
    SKU:
    09-160300013
    Color:
    Gray
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $23.55
    Qty in Cart: 0
    Price:
    $23.55
    Subtotal:
  • 4 Pin Square Hardness Wiring Pigtail For NOX Sensor

    4 Pin Square Hardness Wiring Pigtail For NOX Sensor

    JML KUSTOMS

    $21.86
    Square 4 Pin Hardness Wiring Pigtail Fits Nitrogen Oxide SensorThis high-quality wiring pigtail is built with 16 AWG nylon/copper construction and features a square 4 pin female connection designed...
    09-160300012
    SKU:
    09-160300012
    Material Options:
    Copper
    Shape Options:
    Square
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $21.86
    Qty in Cart: 0
    Price:
    $21.86
    Subtotal:
  • 2 Pin Female Connector Harness Crankshaft Kit

    2 Pin Female Connector Harness Crankshaft Kit

    JML KUSTOMS

    $16.81
    Harness Crankshaft KitThis high-quality harness crankshaft kit is built with 16 AWG nylon/copper wiring and features a 2 pin female connection for dependable electrical contact. It includes...
    09-160300010
    SKU:
    09-160300010
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • Female Low Coolant Level Sensor Connector

    Female Low Coolant Level Sensor Connector

    JML KUSTOMS

    $23.55
    Low Coolant Kit / Harness Nox Sensor KIT - Female SensorThis kit includes a low-coolant level sensor and matching harness - a plug-and-play solution for monitoring coolant levels and restoring proper...
    09-160300009
    SKU:
    09-160300009
    Product Type:
    Engine Parts
    Material Options:
    Copper
    Make:
    Universal Items
    $23.55
    Qty in Cart: 0
    Price:
    $23.55
    Subtotal:
  • 2 Position 2 Pin Female Harness Weather Pack Connector

    2 Position 2 Pin Female Harness Weather Pack Connector

    JML KUSTOMS

    $16.81
    Harness Weather Pack 2 Position Female ConnectorThis high-quality harness weather pack connector is built with 16 AWG nylon/copper wiring and features a 2 pin female connection for a secure and...
    09-160300011
    SKU:
    09-160300011
    Product Type:
    Engine Parts
    Material Options:
    Copper
    Make:
    Universal Items
    $16.81
    Qty in Cart: 0
    Price:
    $16.81
    Subtotal:
  • Harness AC Compressor Connector Kit - Male & Female

    Harness AC Compressor Connector Kit - Male & Female

    JML KUSTOMS

    $21.86
    AC Compressor Connector KitThis AC Compressor Connector Kit includes male and female connectors, heat shrink butt connectors, and durable 16 AWG, 15cm nylon/copper wires. It's simple, reliable, and...
    09-160300008
    SKU:
    09-160300008
    Material Options:
    Copper
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $21.86
    Qty in Cart: 0
    Price:
    $21.86
    Subtotal:
  • Primrose Winter Klenz Diesel Additive With Ice Check & Xtreme Torque 5757

    Primrose Winter Klenz Diesel Additive With Ice Check & Xtreme Torque 5757

    AFTERMARKET

    $33.46
    Primrose Winter Klenz 5757 Premium Select Diesel Fuel AdditiveThis diesel fuel additive is a helpful way to protect your engine in winter. It's made to reduce the chances of fuel gelling or freezing...
    WK5757
    SKU:
    WK5757
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $33.46
    Qty in Cart: 0
    Price:
    $33.46
    Subtotal:
  • Primrose Rescue RX 5055 Premium Diesel Fuel Additive - 1 Gallon

    Primrose Rescue RX 5055 Premium Diesel Fuel Additive - 1 Gallon

    AFTERMARKET

    $102.99
    Diesel Fuel De-Gel & De-Ice Additive - Rescue RX 5055Low sulfur diesel can lead to issues like clogged injectors, poor lubrication, and filter problems. Rescue RX 5055 prevents these issues while...
    RX5055
    SKU:
    RX5055
    Product Type:
    Exterior
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    Subtotal:
  • Oil Dipstick 47.5 Inch Replaces A4710100472, DDEA4710100472 For Detroit Engine DD13

    Oil Dipstick 47.5 Inch Replaces A4710100472, DDEA4710100472 For Detroit Engine DD13

    AUTOMANN USA

    $29.68
    Detroit Diesel Engine Oil DipstickLooking for a oil level indicator? This replacement Oil Dipstick is designed for various Detroit Diesel and Freightliner models. It makes checking your engine oil...
    29-07200001
    SKU:
    29-07200001
    Truck Class:
    Heavy Duty
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Length Options:
    47 1/4 Inch
    $29.68
    Qty in Cart: 0
    Price:
    $29.68
    Subtotal:
  • Water Pump Replaces 3803361 3803605, RW1073, RW1073X, RW6073 For Cummins N14-310/330/350/370/410

    Water Pump Replaces 3803361 3803605, RW1073, RW1073X, RW6073 For Cummins N14-310/330/350/370/410

    AFTERMARKET

    $281.99
    Multi Groove Engine Water PumpDeliver reliable cooling to your Cummins N14 engine with this high-quality replacement water pump. Constructed of steel, with a multi-groove pulley and 6-bolt mounting,...
    29-07120010
    SKU:
    29-07120010
    Material Options:
    Steel
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $281.99
    Qty in Cart: 0
    Price:
    $281.99
    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:
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Keep Your Dodge Ram 2500 Working Hard with Reliable Truck Engine Parts

When you're running a Dodge Ram 2500 for work, you need your truck to be tough, reliable, and ready for whatever the job throws at it. That’s why we offer a full lineup of medium-duty truck engine parts built to handle real-world conditions and keep you rolling. At 4 State Trucks, we stock aftermarket semi engine parts that solve the problems that slow drivers down: Battling overheating? A quality radiator or coolant hose replacement keeps your engine cool under pressure. Losing A/C performance? New A/C condensers and condenser fans restore cabin comfort fast—keeping you alert and comfortable mile after mile. Fuel system headaches? Lift pumps and filter housings keep fuel flowing steady, protecting your engine and boosting performance when you need it most. Exhaust leaks costing you power? Our exhaust manifold hardware kits seal the system up tight, protecting performance and preventing dangerous fumes. We know downtime isn’t just frustrating—it’s expensive. That’s why our aftermarket commercial engine parts are built to last, easy to install, and tough enough for medium-duty work.

Why Trust Our Medium-Duty Commercial Truck Engine Parts?

- Built tough for commercial hauling and daily work. - Designed for perfect fit and easy installation on your Ram 2500. - Protects critical systems like fuel delivery, cooling, and exhaust. - Helps prevent major breakdowns before they happen. - Backed by fast shipping and real customer support.

Shop Commercial Truck Engine Parts at 4 State Trucks

Don’t wait for a breakdown to ruin your schedule. Get the aftermarket semi truck engine parts you need to keep your Dodge Ram 2500 doing what it does best—getting the job done. Shop online with 4 State Trucks and stay ahead of the problems.

Frequently Asked Questions About Dodge Ram 2500 Truck Engine Parts

Will these engine parts fit my specific Dodge Ram 2500 model year and engine?

Dodge Ram 2500 trucks have been built with several different engine options over the years, including various diesel and gas configurations, so fitment can vary significantly between model years. Always check the year, engine size, and engine code for your truck against the product's listed compatibility before ordering. If you are unsure, contact our parts team with your VIN or engine details and we can help confirm the correct part.

What materials are these engine parts made from, and how durable are they?

Engine parts in this category are typically made from materials such as cast aluminum, steel, or OEM-grade composites, depending on the specific component. We carry both OEM and aftermarket options, and product listings note the material used so you can compare durability and performance before buying.

Are these parts OEM, aftermarket, or remanufactured?

This category includes a mix of OEM, aftermarket, and remanufactured engine parts. Each product listing specifies which type it is, along with any relevant brand information, so you can choose based on your budget and preference for original equipment versus aftermarket alternatives.

Do I need professional installation, or can I install these parts myself?

Installation difficulty varies widely by part type. Some components, such as gaskets, sensors, or belts, can often be replaced by an experienced DIYer with the right tools. Other parts, like internal engine components or complex assemblies, generally require professional installation to ensure proper fit and to avoid engine damage. If a listing includes installation instructions or torque specs, we recommend reviewing them closely before starting the job.

What is the warranty or return policy on engine parts if a part does not work as expected?

Warranty coverage depends on the manufacturer and whether the part is new, OEM, or remanufactured, so check the specific product page for warranty details. If a part arrives defective or does not match your vehicle's specifications, contact our customer service team promptly so we can assist with a return or exchange according to our standard return policy.


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