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Dodge Ram 2500 Truck Engine Parts

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  • Price
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  • FREE SHIPPING OVER $249
    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTfit Stainless Steel T-Bolt Clamp For Charge Air Coolers

    BESTFIT TRUCK PARTS

    $8.54 - $31.20
    Prevent leaks and maintain peak airflow in your charge air cooler system with the BESTfit Stainless Steel Heavy Duty T-Bolt Clamp, designed for sizes from 3.562 - 3.875 Inch up to 7 - 7.5 Inch. Made...
    PPR_202710
    SKU:
    PPR_202710
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $8.54 - $31.20
    Qty in Cart: 0
    Price:
    $8.54 - $31.20
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 1.875 Inch Oil Filler Cap With Chain For CAT Engine

    TPHD 1.875 Inch Oil Filler Cap With Chain For CAT Engine

    TURNPIKE TRUCK TRIM

    $21.54
    Oil Filler Cap W/ Chain Fits CAT Engine By TPHDKeep your CAT engine properly sealed and protected with the TPHD 1.875 Inch Oil Filler Cap With Chain. Designed for durability and reliable performance,...
    09-072001
    SKU:
    09-072001
    Truck Class:
    Universal
    Material Options:
    Aluminum
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $21.54
    Qty in Cart: 0
    Price:
    $21.54
    Subtotal:
  • FREE SHIPPING
    Exhaust Manifold Stud Kit For Caterpillar Engines

    Exhaust Manifold Stud Kit For Caterpillar Engines

    FULL TILT PERFORMANCE

    $349.99
    Caterpillar Exhaust Manifold Stud KitThe Exhaust Manifold Stud Kit for Caterpillar Engines is a must-have for any heavy-duty engine overhaul or maintenance project. This set includes high-quality...
    29-0704095
    SKU:
    29-0704095
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $349.99
    Qty in Cart: 0
    Price:
    $349.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro 2.6 Inch Magnetic Pick Up Sender W/ 3/4 Inch -16 Threading & Wire Leads

    Isspro 2.6 Inch Magnetic Pick Up Sender W/ 3/4 Inch -16 Threading & Wire Leads

    ISSPRO

    $63.99
    Magnetic Pick UpSenderWe offer top of the line aftermarket Isspro magnetic pick up senders for your big rig. This sender is to be used with Isspro speedometers and tachometers. It features wire lead...
    29-071002
    SKU:
    29-071002
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $63.99
    Qty in Cart: 0
    Price:
    $63.99
    Subtotal:
  • FREE SHIPPING
    Air Dog Champ II Air Fuel Separator For CAT Engines 3406E, C13, C15, C16, C18

    Air Dog Champ II Air Fuel Separator For CAT Engines 3406E, C13, C15, C16, C18

    AIRDOG HD

    $508.99
    Air Dog Champ II Air Fuel Separator Fits CAT EnginesGet your AirDog Champ II spin-on high-pressure fuel air separator at 4 State Trucks! It is designed specifically for CAT engines with secondary...
    09-07030120
    SKU:
    09-07030120
    Truck Class:
    Universal
    Location:
    Made In USA
    Material Options:
    Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $508.99
    Qty in Cart: 0
    Price:
    $508.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 8 Inch Battery Cable Over Molded Harness

    TPHD 8 Inch Battery Cable Over Molded Harness

    TPHD

    $29.68
    3Power your vehicle with confidence using the TPHD 8 Inch Battery Cable Over Molded Harness, a high-quality replacement for OEM cables. Available in both Red and Black 1/0 gauge versions, it fits...
    PPR_204388
    SKU:
    PPR_204388
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $29.68
    Qty in Cart: 0
    Price:
    $29.68
    Subtotal:
  • CAT Engines Manifold Spacers Stainless Steel

    CAT Engines Manifold Spacers Stainless Steel

    FULL TILT PERFORMANCE

    $289.99
    Manifold Spacers For CAT Engines Stainless Steel Fits C13, C15, ACERT And 3406 B, C And EThis Bully Dog Stainless Steel Manifold spacer set is a bolt on upgrade that will customize the look and fit...
    29-0704102
    SKU:
    29-0704102
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $289.99
    Qty in Cart: 0
    Price:
    $289.99
    Subtotal:
  • Pittsburgh Power Oil Trap For Cummins NTC And N14 Engine

    Pittsburgh Power Oil Trap For Cummins NTC And N14 Engine

    PITTSBURGH POWER

    $371.99
    Universal Oil Trap For Cummins NTC And N14 Engine, Bolts Directly To Oil PanTired of messy truck undercarriages? The Universal Oil Trap is here to help. Easy to install on Cummins NTC and N14...
    09-071200001
    SKU:
    09-071200001
    Truck Class:
    Universal
    Location:
    Made In USA
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $371.99
    Qty in Cart: 0
    Price:
    $371.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer

    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer

    BESTFIT TRUCK PARTS

    $37.44
    BESTfit 3 Inch To 2.5 Inch Silicone Coolant Hose Reducer* High Quality Coolant Hose* 3.00 ID To 2.50 ID* Silicone* 3.00 ID X 2.50 ID X 6 L* Sold Individually* Warranty On Coolant Hose Against Defects...
    09-0702077
    SKU:
    09-0702077
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Material Options:
    Silicone
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $37.44
    Qty in Cart: 0
    Price:
    $37.44
    Subtotal:
  • Primrose Power Klenz Premium Select Diesel Fuel Additive

    Primrose Power Klenz Premium Select Diesel Fuel Additive

    AFTERMARKET

    $95.99
    Power Service Diesel Kleen +Cetane BoostBoost diesel performance with Power Klenz 5007. It's great for cleaning injectors, dispersing asphaltenes, and preventing filter clogs. Lubricity improves,...
    PK5007
    SKU:
    PK5007
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Thermocouple For Digital Pyrometer, By Teltek

    Thermocouple For Digital Pyrometer, By Teltek

    TELTEK

    $110.99
    Thermocouple Teltek Digital PyrometerThe Teltek digital pyrometer can be paired with a reliable and high-quality thermocouple, available for individual purchase. Designed to meet your temperature...
    09-1502183
    SKU:
    09-1502183
    Location:
    Made In USA
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $110.99
    Qty in Cart: 0
    Price:
    $110.99
    Subtotal:
  • Exhaust Manifold - 1 Piece For Detroit Diesel 60 Series

    Exhaust Manifold - 1 Piece For Detroit Diesel 60 Series

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Detroit Diesel 60 Series 12.7L Engines** Please Verify Fitment Prior To Ordering **Bare Finish Exhaust Manifold- 1 Piece For Detroit...
    PPR_299564
    SKU:
    PPR_299564
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Style Options:
    Detroit
    Make:
    Universal Items
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • BESTfit Blue Silicone Heater Hose - .75 Inch ID X 25 Feet

    BESTfit Blue Silicone Heater Hose - .75 Inch ID X 25 Feet

    BESTFIT TRUCK PARTS

    $95.99
    Blue Silicone Heater Hose - 0.75 Inch ID X 25 Feet* High Quality Heater Hose* Made Of Silicone* Blue* Dimensions:  - 0.750 Inch ID   - 25 Feet* Sold Individually* Warranty On Heater Hose Against...
    09-070200006
    SKU:
    09-070200006
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $95.99
    Qty in Cart: 0
    Price:
    $95.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Fleetguard Spin-On Oil Filter Full-Flow Replaces LF3620 For Detroit 60 Engines

    Fleetguard Spin-On Oil Filter Full-Flow Replaces LF3620 For Detroit 60 Engines

    OPP - ORIGINAL PARTS PROGRAM

    $23.72
    LF3620 Spin-On Oil FilterThis oil filter is for Detroit 60 engines. The LF3620 Fleetguard Full-Flow Spin-On Oil Filter features a lube filter and offers full-flow spin-on capabilities. It has a 9...
    LF3620FLG
    SKU:
    LF3620FLG
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Diameter Options:
    4 3/4 Inch
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Length Options:
    9 3/4 Inch
    Style Options:
    Detroit
    $23.72
    Qty in Cart: 0
    Price:
    $23.72
    Subtotal:
  • Water Oil Transmission Temp Sender And Cable, 16 Foot In Length For Teltek Gauges

    Water Oil Transmission Temp Sender And Cable, 16 Foot In Length For Teltek Gauges

    TELTEK

    $45.60
    Water Oil Transmission Temp Sender And Cable, 16 Foot In Length For Teltek Gauges* High Quality Water/Oil/Transmission Temperature Sender And Cable* 16 Foot Length* For Teltek Gauges* Sold...
    09-1502706
    SKU:
    09-1502706
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Interior
    $45.60
    Qty in Cart: 0
    Price:
    $45.60
    Subtotal:
  • Straight Out Mount Exhaust Manifold - 1 Piece For Caterpillar 3406E/C15

    Straight Out Mount Exhaust Manifold - 1 Piece For Caterpillar 3406E/C15

    POWER PLAY PRODUCTS

    $1,326.99 - $1,530.99
    Choose Option(s) to see description.Fitment** Fits Models W/ Caterpillar 3406E/C15 Engines** Please Verify Fitment Prior To Ordering **Bare Finish Straight Out Mount Exhaust Manifold- 1 Piece For...
    PPR_299562
    SKU:
    PPR_299562
    Finish Options:
    Chrome-Plated
    Style Options:
    Caterpillar
    Color:
    Black
    Product Type:
    Engine Parts
    Material Options:
    Ceramic
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1,326.99 - $1,530.99
    Qty in Cart: 0
    Price:
    $1,326.99 - $1,530.99
    Subtotal:
  • SS Peanut Cover Plate W/ Gasket Replaces 146-2601 For CAT 3406E

    SS Peanut Cover Plate W/ Gasket Replaces 146-2601 For CAT 3406E

    BESTFIT TRUCK PARTS

    $273.99
    Mirror Finish Stainless Steel Peanut Cover Plate And GasketDesigned to fit seamlessly onto the Cat 3406E and C15 ACERT engines, this cover plate is easy to install. It is constructed from high-grade...
    29-0704127
    SKU:
    29-0704127
    Material Options:
    Stainless Steel
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Finish Options:
    Mirror
    $273.99
    Qty in Cart: 0
    Price:
    $273.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTfit 4.5 - 4 X 6 Inch Hot Side Charge Air Intake Hump Hose

    BESTFIT TRUCK PARTS

    $76.99
    Red Hump Hose Reducer For Hot Side By BESTfitProtect your turbo system with the BESTfit Hot Side Charge Air Intake Hump Hose, made from high-quality silicone for maximum heat resistance and...
    09-070111
    SKU:
    09-070111
    Product Type:
    Engine Parts
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $76.99
    Qty in Cart: 0
    Price:
    $76.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Heavy Duty Hump Hoses

    BESTfit Heavy Duty Hump Hoses

    BESTFIT TRUCK PARTS

    $45.77 - $82.99
    Improve your charge air system with the gray silicone hump hose for charge air coolers from BESTfit. Built from durable silicone with a thicker wall than standard hump hoses, this aftermarket...
    PPR_202715
    SKU:
    PPR_202715
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $45.77 - $82.99
    Qty in Cart: 0
    Price:
    $45.77 - $82.99
    Subtotal:
  • Bully Dog ECM Tuner W/ Emissions Tested & Diagnostic Reader For Caterpillar C11, 12, 13, 15 & 16

    Bully Dog ECM Tuner W/ Emissions Tested & Diagnostic Reader For Caterpillar C11, 12, 13, 15 & 16

    BULLY DOG

    $849.95
    Bully Dog ECM Tuner W/ Speed Limiter Adjustments Fits Caterpillar C11, 12, 13, 15 & 16Get more from your CAT engine with the Bully Dog ECM Tuner, engineered for C16, C15, C13, C12, and C11 models...
    29-0704091
    SKU:
    29-0704091
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Style Options:
    Caterpillar
    Location:
    Made In USA
    $849.95
    Qty in Cart: 0
    Price:
    $849.95
    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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