MOPAR 68303091AC Engine

( Manufacturer Part Number: 68303091AC ), ( Part Type: Engine ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Replaces Part Number: 68303091ab )

Review MOPAR Genuine Complete Engine

The Mopar 68303091AC engine is a high-performance replacement option for select Chrysler, Dodge, and Jeep vehicles. This engine is a 6.4L SRT HEMI V8 engine, which delivers superior power and torque for an exhilarating driving experience.

The SRT HEMI engine features a cast iron block and aluminum cylinder heads, which provide durability and lightweight construction. The engine also includes a high-lift camshaft and roller rocker arms for improved valve lift and airflow. The result is an impressive output of 485 horsepower at 4,300 rpm and 475 lb-ft of torque at 3,950 rpm.

The engine is equipped with a multi-displacement system (MDS), which deactivates cylinders under light load conditions to improve fuel efficiency. The MDS system uses advanced sensors to determine engine load and adjust power accordingly, providing both power and economy.

Additionally, the Mopar 68303091AC engine includes a high-performance cooling system, which ensures optimal engine temperature under heavy usage. The cooling system includes a large radiator, a heavy-duty fan, and a thermostat with a wide opening temperature range.

The engine also features a high-performance exhaust system, which includes a high-flow muffler and dual exhaust tips. The exhaust system provides improved exhaust flow, resulting in better engine performance and a more aggressive exhaust note.

The Mopar 68303091AC engine is designed to meet or exceed all relevant emissions standards, ensuring compliance with local, state, and federal regulations. The engine also comes with a factory-backed warranty, providing peace of mind to customers.

In summary, the Mopar 68303091AC engine is a high-performance replacement option for select Chrysler, Dodge, and Jeep vehicles. It delivers impressive power and torque, with an output of 485 horsepower and 475 lb-ft of torque. The engine features advanced technologies, such as MDS and a high-performance cooling system, for improved fuel efficiency and durability. The engine also includes a high-performance exhaust system for better engine performance and a more aggressive exhaust note. With a factory-backed warranty and compliance with emissions standards, the Mopar 68303091AC engine is an excellent choice for customers looking to enhance the performance of their vehicle.

The Mopar 68303091AC engine is a Chrysler 3.6L Pentastar V6 engine, commonly used in various Chrysler, Dodge, and Jeep vehicles. Here are some pros and cons of buying this engine, based on its performance, reliability, and cost.

1. Fuel Efficiency: The Pentastar V6 engine is known for its impressive fuel economy. It delivers an average of 18-28 mpg depending on the vehicle and driving conditions.

2. Power: This engine generates a substantial amount of power, producing up to 285 horsepower and 260 lb-ft of torque.

3. Durability: The Pentastar engine design includes several features that contribute to its durability, such as a cast-iron block and aluminum heads.

1. Maintenance: Like any engine, the Pentastar V6 requires regular maintenance to ensure optimal performance. Keep in mind that some parts, like timing chains, may need to be replaced more frequently than in some other engines.

2. Noise: Some owners have reported that the Pentastar engine can be quite noisy, particularly under heavy acceleration or during cold starts.

3. Emissions: Depending on the specific application and emissions regulations, the Pentastar engine may not meet the latest emission standards, requiring additional modifications or upgrades.

The Mopar 68303091AC engine, or the Chrysler 3.6L Pentastar V6, is a powerful and fuel-efficient engine option. It delivers a good balance between power and fuel economy, making it a popular choice among Chrysler, Dodge, and Jeep enthusiasts. However, it does require regular maintenance, and some owners have reported noise issues and potential emissions concerns.

If you are looking for a powerful, fuel-efficient engine for your Chrysler, Dodge, or Jeep vehicle, the Mopar 68303091AC engine could be an excellent choice. Just be prepared for the ongoing maintenance requirements, potential noise issues, and possible emissions concerns. Make sure to consult with a trusted mechanic or dealership for more detailed information on the specific engine and its compatibility with your vehicle.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Select your vehicle to ensure guaranteed fit. Electrical parts are not returnable. Refer To Illustration 805 For Part Numbers.

Parts must be resalable and in the original packaging.

part #: 68303091ac prices

• $29.89-$310.00

specifications grokengines:

• for makes: Mopar
• mpn: 68303091ac
• part type: Engine
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• replaces part number: 68303091ab

offer grokengines:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: February 21, 2026

seller grokengines:

• # reviews: 19126
• city: Garland, Texas
• rating: 98.5%

general grokengines:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Engines

payments grokengines:

• other
• credit card: Discover
• wallet: Google-pay

returns grokengines:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

shipping grokengines:

• service: Flat Rate Freight
• cost: $9576.00
• type: Fixed
• class: Freight

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