What Engines Can You Put in Dodge Dakota?

By Nick Marchenko, PhD

Updated: March 4, 2023

An engine swap on is probably one of the most complicated modifications you can pull off for Dodge Dakota. You can go for the engine with the best compatibility and moderate performance boost or go all in and swap a gas engine for a diesel one. The only thing that can limit your expectations is your own safety. Dakota engine interchange is no simple feat that requires a lot of additional work, fitment, modifications and expertise.

The options available for a specific vehicle may be limited by factors such as compatibility, emissions regulations, and the availability of parts and support. Ultimately, the chosen engine should be suited to the vehicle's intended use and installed or modified by a qualified mechanic or technician.

The type of engine that can be put in a Dodge Dakota depends on several factors. You can find all this information a comprehensive engine swap compatibility guide below.

To find information about your car's engine or another engine of a particular vehicle, you can consult our Dodge Dakota engine interchange compatibility chart, which provides a comprehensive list of years and trim levels when the same engine was used. 

Additionally, we list other vehicles that have the same engine under the hood, making it easy to cross-reference and compare.

Are you uncertain about the engine in your vehicle? Our comprehensive guide can help identify its name and specs, allowing for educated decisions regarding maintenance or upgrades. With this knowledge, you will be able to take control of your car's future confidently.

What Kind of Engine Does my Dakota Have?

Before you can find compatible engines in our swap chart, you need to learn what kind of engine your Dakota has. Here you have a few options. Firstly, you can check the Vehicle Identification Number (VIN), which is often located in the owner's manual or under the hood. In many cases, it can also be found on the driver's side dashboard. The eighth character of the 17-digit VIN provides information about the engine, so by decoding it, you can determine the type of engine.

The VIN includes details about the country of manufacture, manufacturer, car type or division, brand, body style, engine size and type, model, assembly plant, and model year. If you want to decode the VIN, there are websites available that can do this for you. 

Just enter the 17 characters of your car's VIN into the website, and you'll receive a report with all the relevant information. This can be a quick and convenient way to learn about your car's history and specifications.

Alternatively, if you know the specific trim level of your Dodge Dakota, you can conduct an online search to identify the type of engine it has. This information can be helpful for maintenance or upgrades.

How Do I Know if an Engine Will Fit in my Dakota?

When selecting the ideal engine for your Dodge Dakota, it is important to be cognizant of automotive engineering principles and confirm that any chosen motor is compatible with your automobile. This will help you evade problems such as reduced performance or destruction caused by installing an incompatible power source. 

Before making a selection, factor in characteristics like size, fuel type, and strength output.

Lastly but most importantly, remember to get expert advice from a qualified mechanic or auto parts supplier before going ahead with anything.

Axles and Drivetrain

Connecting the drivetrain and gears during an engine swap requires intricate precision. If the engine is not from a specialist, custom shafts need to be made to ensure compatibility with the existing front-or rear-wheel drive system. 

These connections rely on the accuracy and any errors could have a large detrimental effect on the whole project. Ensuring these connections are done correctly is paramount for a successful and safe Dakota engine swap.

Pedal Assembly

Ensuring compatibility between the gas and clutch pedals is essential when swapping an engine for Dodge Dakota and its gearbox. For older engines with cable-operated throttle bodies, it may be as simple as a cable change. Electronic control systems require specific ECUs, pedal assemblies, and wiring to work correctly. Cable-operated mechanisms in cars with cable-operated gearboxes can usually be reused while swapping out the transmission. If a hydraulically controlled transmission is used, an adapter line connecting the clutch slave cylinder to the master cylinder may need to be made.

Installing hydraulically operated gearboxes in chassis featuring cable-driven transmissions can also be done with an adapter kit, the corresponding pedal assembly, and hydraulic components such as the clutch master cylinder and reservoir.

Shifter

It is critical to evaluate the compatibility between the Dakota’s transmission and shifter. Each transmission has a different shift pattern which dictates how gears are shifted into place. 

Therefore, you must take into account all of the separate elements that make up the shifting mechanism such as links and handles made specifically for one type of transmission or another. It’s important to ensure these components match in order to guarantee smooth gear shifts.

This might necessitate changing either the shift pattern or shifting mechanisms altogether and swapping out for a different assembly made for your refreshed transmission. After this step is complete, confirm that all of your linkages are correctly adjusted in accordance with how they were intended to be aligned before test driving.

Fuel System

To interchange with a more potent engine, it is essential that you have higher caliber fuel lines and superior filtration. Driving with a faulty fuel pump can easily ruin your whole day. To avoid such complications, it is always recommended to use a factory-style in-tank pump while driving daily. 

Frame-mounted high-volume pumps are designed for more extreme conditions and should not be used for general driving as they often vibrate, run hot, and may cause failure or cabin noise if used over long periods of time.

Cooling System

As you replace the Dakota’s engine, it's critical to evaluate its cooling system compatibility. Mechanical fans may still be functional for older engines, however, modern ones generate much more heat and require an even better flow of air. Before installation starts, take into account all relevant details about the engine and choose a reliable electric fan - this will make sure that your car runs efficiently.

A/C and Power Steering

To simplify the installation process, modern motors’s designs often include designated areas for air conditioning compressors. However, these locations can be found in a lower portion of the engine which may make it complicated to mount properly between frame rails. To resolve this issue you may need to move your compressor elsewhere in order to get secure placement. It is also common for people to struggle with setting up their systems correctly and deciding where each component such as an accumulator/dryer or fixed orifice should go when building out their system.

Intake and Exhaust

The shape and size of intake piping needs to be adapted to fit the new engine on Dodge Dakota, while an adapter pipe may be needed for the exhaust manifold to match the existing exhaust system. Doing so will ensure that the engine runs optimally and safely, providing drivers with the best possible performance.

Electrical

Dakota enthusiasts often encounter wiring problems when working on engine interchange projects, regardless of the project's size, particularly in modern engine swaps. Wiring can be complicated and demands knowledge about circuits, amperage, wire gauges, and relays. For instance, the electric fan circuit is more complex than just running two wires for power and ground. It also requires integration with the cooling system and air conditioning system, as well as one or two relays to function properly.

Clearance Problems

Clearance issues are a common challenge in Dodge Dakota engine swap projects, as the new engine may not fit the same way as the original one. This can be especially true when getting a larger engine, or an motor from a different vehicle. In some cases, modifications to the engine bay, subframe, or firewall may be required to ensure proper fitment. 

Suspension and Brakes

An engine swap can present a variety of suspension and brake challenges, most notably when upgrading Dakota to a more powerful engine. The extra power and weight can significantly impact the handling and braking performance. To compensate for this, it is important to upgrade the suspension and brakes accordingly.

This may involve changing out shock absorbers, springs or installing a larger sway bar, as well as ensuring that the Dakota’s brake system is adequate for the increased power by fitting a larger master cylinder or booster. 

How Would Dodge Dakota Benefit from Engine Change

Obviously, swapping out an engine can be a great way to make your Dakota move again! It is also able to provide more horsepower, improved fuel economy, smoother acceleration, better handling, and lower emissions than the original motor.

Although, it rarely combines multiple benefits. Larger and hungrier engines are quite unlikely to show lowered fuel consumption while diesel engines can have serious emissions.

How Long Does It Take to Swap an Engine on Dakota?

Interchanging compatible engines is a complex job that can take between 8 to 15 hours, depending on the integration difficulty. Those with mechanical expertise may be able to reduce this timeframe - simple gas or diesel engines can be substituted in only 5-6 hours if you have the right devices and understanding.

How Hard Is It to Swap Dodge Dakota Engine?

Replacing the Dakota’s motor is no small task. It requires careful and meticulous steps in the correct order, as well as specialized tools, parts, and equipment. In some cases, having an assistant may also be necessary for certain tasks. It can be a lengthy process with many steps, but it is often well worth the effort if done properly.

The difficulty depends on how closely two compatible engines you are swapping resemble each other. Size, type and other crucial specifications influence the challenge.

How Much Does Dakota Engine Interchange Cost?

When weighing the expenses of buying a used car instead of your Dodge Dakota or replacing an engine, consider that although expensive, an engine swap is often more cost-effective. 

On average, the labor cost for the Dakota engine replacement will range from $1500 to $4000. The motor’s price tag may also vary significantly though you should be ready to pay a anywhere between $2000 and $4000 thousand dollars for a used engine. 

FAQs

1. What engines can fit directly into a Dodge Dakota without custom fabrication?

The Dodge Dakota supports factory swaps with 3.9L V6, 4.7L V8, and 5.9L Magnum V8 engines depending on generation. Mounts, driveshaft length, and ECU must match the donor’s model year for plug-and-play compatibility.

2. Can a 5.9L Magnum V8 fit into a 2000 Dodge Dakota originally equipped with a 4.7L?

Yes, but it requires a new PCM, wiring harness, and transmission bellhousing swap since the 5.9L uses an older OBD-II system. The engine mounts and exhaust headers differ slightly but can be adapted using factory parts.

3. What’s required to LS-swap a Dodge Dakota?

LS swaps require custom motor mounts, a standalone GM ECU, and a modified oil pan for front crossmember clearance. The Dakota’s transmission must be replaced or adapted using a GM-to-Dodge bellhousing adapter.

4. Will a 5.7L Hemi fit in a 2005 Dodge Dakota?

Yes – physically it fits in the bay, but you’ll need custom mounts, standalone wiring, and a PCM reprogram. Transmission compatibility depends on whether you use the NAG1 or 545RFE gearbox.

5. Can I install a 6.4L Hemi in a Dakota?

The 6.4L fits with firewall trimming and custom mounts. You must upgrade the cooling system, use a standalone Hemi harness, and reinforce the driveshaft and rear differential for the additional torque.

6. Are Jeep Grand Cherokee engines compatible with Dodge Dakota?

Engines like the 4.7L PowerTech and 3.7L V6 from Grand Cherokees are compatible with minimal modification. You’ll need to swap over the Dakota’s intake manifold and accessory brackets for alignment.

7. Will a 3.7L engine replace a 4.7L in a Dakota?

Physically yes, but the ECU, transmission shift points, and wiring harness differ. It’s generally more cost-effective to rebuild the 4.7L than to downgrade to a 3.7L.

8. Can a Cummins 4BT fit in a Dakota?

Yes, but significant custom fabrication is required for motor mounts, oil pan clearance, and transmission coupling. Expect to reinforce the front suspension and install a larger fuel return line for diesel flow.

9. Are engine mounts between 3.9L and 5.2L Dakota engines the same?

No, the 5.2L mounts are offset for the V8’s wider block. Use V8-specific mounts and brackets, or aftermarket swap kits for accurate alignment.

10. Can a Dakota transmission handle a V8 Hemi swap?

The 42RE and 46RE automatics from older Dakotas are too weak for a Hemi. The NAG1 or 545RFE from newer models are preferred, but require driveshaft shortening and PCM syncing.

11. How much horsepower can a stock 4.7L block handle?

The stock 4.7L Magnum can safely handle around 400 HP with proper tuning and head bolts. Above that, internal upgrades like forged pistons and ARP fasteners are recommended.

12. What ECU modifications are needed for a swap?

Each engine uses unique crank and cam sensor patterns. The ECU must be reflashed or replaced to match the donor engine’s MAP, TPS, and O2 sensor data.

13. Can a 3.9L V6 be replaced by a 5.2L V8 without wiring changes?

No – you must change the PCM, engine harness, and add the second O2 sensor input. The transmission TCM will also need to match the V8’s torque curve.

14. Is a 318 Magnum compatible with a 1999 Dakota frame?

Yes, the 318 (5.2L) Magnum fits into the 1999 frame using factory V8 mounts. You must also use the V8 radiator, fan shroud, and Y-pipe for exhaust clearance.

15. Will a Durango V8 engine fit in a Dakota?

Yes, both use the same platform. Transfer the Dakota’s oil pan and engine mounts for proper alignment.

16. What is the torque spec for Dakota 5.9L head bolts?

Factory torque spec is 100 ft-lbs in three stages. Always use new head bolts or ARP studs for high-performance builds.

17. How to ensure the driveshaft length fits after a swap?

Measure from the transmission tailshaft to the rear differential flange with suspension loaded. Driveshafts can be cut and rebalanced by most drivetrain shops.

18. Can a Dakota handle a manual transmission after a swap?

Yes – NV3500 or NV4500 manual transmissions are common choices. The clutch pedal assembly and slave cylinder must be retrofitted from a manual donor truck.

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19. Are Dakota V6 and V8 fuel systems compatible?

No. V8s use higher-flow injectors and a larger pump. You must upgrade to a 58 PSI system for modern engines like the 5.7L Hemi.

20. What are the wiring challenges of a Hemi swap?

The main issue is integrating the CAN bus system for the ECU and transmission. Using a standalone harness like Hotwire or Mopar Performance simplifies this process.

21. Can a Chevy LS engine be mated to a Dakota 4x4 transfer case?

Yes, with a custom adapter plate. The GM transmission output spline must match the Dakota’s transfer case input shaft – typically requiring machining or adapters.

22. How to align the Dakota’s front crossmember for non-stock engines?

Center the crank pulley relative to the frame rails and maintain OEM driveline angle. Shimming the mounts 3–5 mm can correct alignment deviations.

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23. Do I need to modify the Dakota’s exhaust for a swap?

Yes – header clearance and downpipe routing vary. Long-tube headers often require steering shaft relocation or custom bends.

24. What is the most reliable Dakota engine for daily use?

The 4.7L V8 is the best balance between torque, reliability, and fuel efficiency. With regular oil changes, these engines exceed 250,000 miles.

25. Can the 3.6L Pentastar be installed in older Dakotas?

Yes, but only with heavy modifications. It needs a modern PCM, drive-by-wire throttle, and matching transmission from a 2012+ donor.

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