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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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  • BESTfit Cummins NT855 Flywheel Housing

    BESTfit Cummins NT855 Flywheel Housing

    BESTFIT TRUCK PARTS

    $1,013.99
    BESTfit Flywheel HousingThis high quality flywheel housing for the Cummins NT855 engine is drilled for both straight up and tilted engine and for the electronic tachometer. The flywheel has a small...
    09-073036011
    SKU:
    09-073036011
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Cummins
    $1,013.99
    Qty in Cart: 0
    Price:
    $1,013.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 2.25 Inch Oil Filler Cap W/ T Handle For Cummins

    TPHD 2.25 Inch Oil Filler Cap W/ T Handle For Cummins

    TPHD

    $34.66
    Oil Filler Cap By TPHD* High Quality Expandable Metal - Rubber Cap* Fits 2.25 Inch ID Oil Filler Hole* For Cummins Engines* Sold Individually* Warranty On Oil Filler Cap Against Defects In...
    09-072011
    SKU:
    09-072011
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $34.66
    Qty in Cart: 0
    Price:
    $34.66
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1 5/8 Inch Oil Filler Cap W/ T Handle

    TPHD 1 5/8 Inch Oil Filler Cap W/ T Handle

    TPHD

    $35.36
    Oil Filler Cap* High Quality Oil Filler Cap* 1 5/8 Inch* Sold Individually* Warranty On Oil Filler Cap Against Defects In Workmanship & Material From Date Of Purchase***High Quality Aftermarket...
    09-072010
    SKU:
    09-072010
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $35.36
    Qty in Cart: 0
    Price:
    $35.36
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1.375 Inch Oil Filler Cap W/ T Handle

    TPHD 1.375 Inch Oil Filler Cap W/ T Handle

    TPHD

    $22.67
    1.375 Inch Oil Filler Cap By TPHD* High Quality Oil Filler Cap* 1.375 Inch* Sold Individually* Warranty On Oil Filler Cap Against Defects In Workmanship & Material From Date Of Purchase*** High...
    09-072009
    SKU:
    09-072009
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $22.67
    Qty in Cart: 0
    Price:
    $22.67
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1 Inch Oil Filler Cap W/ T Handle

    TPHD 1 Inch Oil Filler Cap W/ T Handle

    TPHD

    $11.12
    Oil Filler Cap By TPHD* High Quality Oil Filler Cap* 1 Inch* Sold Individually* Warranty On Oil Filler Cap Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    09-072007
    SKU:
    09-072007
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $11.12
    Qty in Cart: 0
    Price:
    $11.12
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 2 Inch Oil Filler Cap

    TPHD 2 Inch Oil Filler Cap

    TPHD

    $13.84
    Oil Filler Cap With T Handle By TPHDThe oil filler cap allows easy access to the engine when filling lubricating oil. The cap also seals the oil supply to the engine. This seal prevents possible...
    09-072006
    SKU:
    09-072006
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $13.84
    Qty in Cart: 0
    Price:
    $13.84
    Subtotal:
  • BESTfit Oil Pan Isolator Seal Gasket For Caterpillar C15 & Late 3406E Engines

    BESTfit Oil Pan Isolator Seal Gasket For Caterpillar C15 & Late 3406E Engines

    BESTFIT TRUCK PARTS

    $119.99
    BESTfit Diesel CAT C15 & Late 3406E Oil Pan GasketMade of HNBR rubber, this oil pan gasket seal has a one piece design and can withstand service temperatures of -40 to 115C. It is resistant to fuel,...
    09-071685248
    SKU:
    09-071685248
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $119.99
    Qty in Cart: 0
    Price:
    $119.99
    Subtotal:
  • Thermoplastic Rear Sump Without Ports Oil Pan For Detroit Series 60 Engines

    Thermoplastic Rear Sump Without Ports Oil Pan For Detroit Series 60 Engines

    AFTERMARKET

    $655.99
    Plastic Oil Pan Fits Detroit 60 Series EnginesEnsure consistent oil flow and engine protection with the Thermoplastic Rear Sump Without Ports Oil Pan for Detroit Series 60 Engines. Built from...
    09-071200002
    SKU:
    09-071200002
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $655.99
    Qty in Cart: 0
    Price:
    $655.99
    Subtotal:
  • Torque Converter Outlet Oil Temperature Sensor Replaces 2566453

    Torque Converter Outlet Oil Temperature Sensor Replaces 2566453

    DAYTON / DORMAN

    $50.99
    -40 To 150 Degree Oil Temp SensorReplace worn sensors with the Torque Converter Outlet Oil Temperature Sensor. With a female irregular connector, male 2-blade terminal, and 0.75-inch fine threads,...
    09-0710002
    SKU:
    09-0710002
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 170 Amp 36 SI Hinge Mount Alternator

    12 Volt 170 Amp 36 SI Hinge Mount Alternator

    AUTOMANN USA

    $419.99
    Hinge Mount AlternatorDelivering consistent and reliable power to your truck's electrical system, the 12 Volt 170 Amp 36 SI Hinge Mount Alternator is built for performance and durability. With 170...
    09-070914
    SKU:
    09-070914
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $419.99
    Qty in Cart: 0
    Price:
    $419.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 140 Amp 35 SI Hinge Mount Alternator

    12 Volt 140 Amp 35 SI Hinge Mount Alternator

    OPP - ORIGINAL PARTS PROGRAM

    $491.99
    J180 Hinge Mount Brush Alternator* High Quality Alternator* Replaces OEM # 8600064, ABP N15 BLJ160, MTRALT-3652, ALT-3652* 35 SI* 12 Volt * 140 AMP* J180 Hinge Mount Type* Sold Individually* Warranty...
    09-070912
    SKU:
    09-070912
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $491.99
    Qty in Cart: 0
    Price:
    $491.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 160 Amp 24 SI Pad Mount Alternator

    12 Volt 160 Amp 24 SI Pad Mount Alternator

    AUTOMANN USA

    $276.99
    12 Volt Alternator Replaces 8600889, ABP N15 555P160, MTRALT-1242, ALT-1242Replace your old alternator with the 12 Volt 160 Amp 24 SI Pad Mount Alternator for reliable truck operation. This...
    09-070911
    SKU:
    09-070911
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $276.99
    Qty in Cart: 0
    Price:
    $276.99
    Subtotal:
  • FREE SHIPPING
    12 Volt 160 Amp 24 SI Hinge Mount Alternator

    12 Volt 160 Amp 24 SI Hinge Mount Alternator

    AUTOMANN USA

    $343.99
    Alternator* High Quality Alternator* Replaces OEM # 8600310, ABP N15 AVI143J170, MTRALT-1243, ALT-1243* 24 SI* 12 Volt * 160 AMP* J180 Hinge Mount Type* Sold Individually* Warranty On Alternator...
    09-070910
    SKU:
    09-070910
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $343.99
    Qty in Cart: 0
    Price:
    $343.99
    Subtotal:
  • 39MT 11 Tooth Starter With Over Crank Protection For Detroit Diesel DD13/15/16 Engines

    39MT 11 Tooth Starter With Over Crank Protection For Detroit Diesel DD13/15/16 Engines

    AUTOMANN USA

    $598.99
    12V Starter With Over Crank ProtectionKeep your Detroit Diesel DD13, DD15, and DD16 running smoothly with the 39MT 11 Tooth Starter with Over Crank Protection. Engineered for 12 volts, this starter...
    09-070904
    SKU:
    09-070904
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $598.99
    Qty in Cart: 0
    Price:
    $598.99
    Subtotal:
  • Starter Solenoid For Delco 42 MT Series

    Starter Solenoid For Delco 42 MT Series

    OPP - ORIGINAL PARTS PROGRAM

    $104.99
    Delco 42MT Series DD Starter Solenoid SwitchThis 12-volt starter solenoid switch is a groundbreaking solution precision engineered for the starting system of today's trucks and vehicles. It is...
    09-070900000
    SKU:
    09-070900000
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $104.99
    Qty in Cart: 0
    Price:
    $104.99
    Subtotal:
  • FREE SHIPPING
    Clutch Installation Kit For Fuller RT Transmission ABP N25 K2468

    Clutch Installation Kit For Fuller RT Transmission ABP N25 K2468

    OPP - ORIGINAL PARTS PROGRAM

    $271.99
    Clutch Install Kit* High Quality Clutch Install Kit* For Fuller RT Series Transmissions* Includes All The Wear Items And Gaskets * Kit Includes:  - S-1659 Input Shaft - 2 Inch  - 14750 Retaining Ring...
    09-0705019
    SKU:
    09-0705019
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $271.99
    Qty in Cart: 0
    Price:
    $271.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Cover Kit For Eaton-Fuller FRO Transmissions - Replaces K2910

    Cover Kit For Eaton-Fuller FRO Transmissions - Replaces K2910

    OPP - ORIGINAL PARTS PROGRAM

    $20.75
    Cover Kit* High Quality Transmission Cover Kit* Fits Eaton Fuller FRO Transmissions* Includes:  - Transmission Cover  - Gasket  - (6) Mounting Bolts* Sold Individually* Warranty On Cover Kits Against...
    09-0705014
    SKU:
    09-0705014
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Location:
    Made In USA
    Position:
    Kit Full
    $20.75
    Qty in Cart: 0
    Price:
    $20.75
    Subtotal:
  • FREE SHIPPING OVER $249
    Cover Kit With Screws For Eaton-Fuller RTLO Transmissions - Replaces K2402

    Cover Kit With Screws For Eaton-Fuller RTLO Transmissions - Replaces K2402

    OPP - ORIGINAL PARTS PROGRAM

    $21.62
    Cover Kit for Eaton-Fuller RTLO TransmissionsThe Cover Kit with Screws for Eaton-Fuller RTLO Transmissions replaces OE Number K2402. Crafted to meet high industry standards and made from top-grade...
    09-0705013
    SKU:
    09-0705013
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $21.62
    Qty in Cart: 0
    Price:
    $21.62
    Subtotal:
  • FREE SHIPPING OVER $249
    Seal With Bearing Retainer-Electric For Eaton-Fuller RTLO & FRO Transmission - Replaces K2918

    Seal With Bearing Retainer-Electric For Eaton-Fuller RTLO & FRO Transmission - Replaces K2918

    OPP - ORIGINAL PARTS PROGRAM

    $55.99
    Seal for Eaton Fuller RTLO and FRO Transmissions* High Quality Seal* With Bearing Retainer-Electric* Replaces OEM # K2918* Sold Individually* Warranty On Seal Against Defects In Workmanship &...
    09-0705012
    SKU:
    09-0705012
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $55.99
    Qty in Cart: 0
    Price:
    $55.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Nut For Output Shaft Eaton-Fuller RTLO & FRO Transmission - Replaces K4122

    Nut For Output Shaft Eaton-Fuller RTLO & FRO Transmission - Replaces K4122

    OPP - ORIGINAL PARTS PROGRAM

    $41.04
    Nut Output Shaft* High Quality Nut Output Shaft* Output Shaft For Eaton-Fuller RTLO And From Transmissions* Replaces OEM # K4122* Sold Individually* Warranty On Nut Output Shaft Against Defects In...
    09-0705011
    SKU:
    09-0705011
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $41.04
    Qty in Cart: 0
    Price:
    $41.04
    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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