1. Car & Truck Manual Transmission Parts Deals
  2. sku: 12985038363641871
  3. MOPAR 68027840AA

MOPAR 68027840AA Reverse Idler Gear Shaft

fits make: Mopar.

68027840aa Mopar Genuine Reverse Idler Gear Shaft

( Manufacturer Part Number: 68027840AA ), ( Part Type: Reverse Idler Gear Shaft ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Dodge ), ( Parts Included: Only Part Reference 3 On The Diagram Is Included )

Review MOPAR Genuine Reverse Idler Gear Shaft

The Mopar 68027840AA Reverse Idler Gear Shaft is a critical automotive component designed specifically for Dodge and Plymouth vehicles with automatic transmissions. This part is essential for the proper functioning of the transmission's reverse gear.

The reverse idler gear shaft is a hollow, cylindrical component, approximately 12 inches long and 1 inch in diameter. It is made from strong and durable materials, such as forged steel, to ensure longevity and reliability. The shaft features a polished finish, which not only enhances its aesthetic appeal but also protects it from corrosion and wear.

At each end of the shaft, there are splined connections that attach to the transmission's reverse idler gear and the input shaft, respectively. These splines provide a secure and robust connection, enabling the smooth transmission of power between the two components.

The Mopar 68027840AA Reverse Idler Gear Shaft is engineered to meet OEM specifications, ensuring a perfect fit and function. Installing this part is a straightforward process, which can typically be completed in under an hour by an experienced mechanic or a car enthusiast with some DIY experience.

If you're experiencing issues with your vehicle's reverse gear, such as grinding or difficulty engaging, it may be an indication that your reverse idler gear shaft needs replacement. By installing a new Mopar 68027840AA Reverse Idler Gear Shaft, you can restore the smooth and reliable operation of your transmission and ensure the continued performance and longevity of your vehicle.

Mopar 68027840AA Reverse Idler Gear Shaft: A Comprehensive Analysis

The Mopar 68027840AA reverse idler gear shaft is an essential component in the automatic transmission system of several Chrysler, Dodge, and Jeep vehicles. This part is responsible for facilitating the smooth reversing of the transmission during maneuvers like backing up. In this analysis, we will discuss the potential benefits and drawbacks of purchasing this part.

Pros:

1. OEM Quality: The Mopar 68027840AA reverse idler gear shaft is a genuine OEM (Original Equipment Manufacturer) part. This means that it is designed, engineered, and manufactured by the same company that produced the part for your vehicle when it was originally built. OEM parts are known for their superior fit, function, and durability.

2. Reliability: Since the reverse idler gear shaft is a critical component in the transmission system, it is crucial to use a reliable and trustworthy part. OEM parts, like the Mopar 68027840AA, are designed to meet or exceed the original equipment specifications, ensuring optimal performance and longevity.

3. Peace of Mind: When you purchase an OEM part like the Mopar 68027840AA reverse idler gear shaft, you can have peace of mind knowing that you are using a part that is specifically designed for your vehicle and has undergone rigorous testing and quality control measures.

4. Warranty: Many OEM parts, including the Mopar 68027840AA reverse idler gear shaft, come with a manufacturer's warranty. This can provide additional protection and financial security in case the part fails due to a manufacturing defect.

Cons:

1. Cost: OEM parts, such as the Mopar 68027840AA reverse idler gear shaft, can be more expensive compared to aftermarket alternatives. However, it is important to consider the long-term benefits, including reliability, durability, and peace of mind, which may outweigh the initial cost difference.

2. Availability: In some cases, it may be more challenging to find an OEM part like the Mopar 68027840AA reverse idler gear shaft compared to aftermarket alternatives. This could be due to supply chain issues or discontinued production. However, many parts distributors and dealers carry a wide range of OEM parts, making them readily available for most vehicles.

3. Installation: Installing an OEM part like the Mopar 68027840AA reverse idler gear shaft may require specialized tools and knowledge. While this is not always the case, it is essential to check the installation instructions and consider seeking professional assistance if needed.

Conclusion:

The decision to purchase the Mopar 68027840AA reverse idler gear shaft depends on your priorities, budget, and vehicle needs. If reliability, durability, and peace of mind are your primary concerns, then an OEM part like the Mopar 68027840AA is an excellent choice. While the initial cost may be higher compared to aftermarket alternatives, the long-term benefits and confidence that comes with using an authentic OEM part can make it a worthwhile investment.

Recommendation:

If you are in the market for a reverse idler gear shaft for your Chrysler, Dodge, or Jeep vehicle, the Mopar 68027840AA is a solid recommendation. Its OEM quality, reliability, and peace of mind make it an excellent choice for maintaining the performance and longevity of your transmission system. However, it is essential to weigh the pros and cons and consider your budget and installation capabilities before making a final decision.

Details:

Genuine Mopar Parts. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable.

Subaru, Ram, Dodge, Chrysler, Jeep, Toyota, Scion, Mazda, Volkswagen, or sprout recommended parts are an important part of maintaining your vehicles optimum performance.

part #: 68027840aa prices

  • $26.13-$37.99

specifications manutransmission:

  • for makes: Mopar
  • mpn: 68027840aa
  • part type: Reverse Idler Gear Shaft
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Dodge
  • parts included: Only Part Reference 3 On The Diagram Is Included

general manutransmission:

  • condition: New
  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

seller manutransmission:

  • # reviews: 28988
  • city: Brunswick, Ohio
  • rating: 99.7%

offer manutransmission:

  • quantity: 4
  • options: Ship-to-home
  • started: May 18, 2026
  • availability: In Stock
  • sold: 0

payments manutransmission:

  • other
  • wallet: Google-pay
  • credit card: Diners-club

returns manutransmission:

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

shipping manutransmission:

  • cost: $11.99
  • class: Standard
  • service: Standard
  • transit: 3-10 Days
  • type: Fixed
for makes: mopar, part type: reverse idler gear shaft, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, parts included: only part reference 3 on the diagram is included,
manufacturer: dodge, category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 12985038363641871,

Mopar 68027840AA Is Similar To:

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5 offers $26.13–$37.99 USD
  • Offer #1: $26.13 price + $11.99 shipping estimate = $38.12* total. Genuine Mopar Parts Genuine OEM Mopar parts - REVERSE IDLER GEAR - SHAFT Mopar.+$11.99 shipping
  • Offer #2: $29.58 price + $11.50 shipping estimate = $41.08* total.+$11.50 shipping
  • Offer #3: $37.99 price + $0.00 shipping estimate = $37.99* total. : Mopar.FREE SHIPPING
  • Offer #4: $30.81 price + $9.99 shipping estimate = $40.80* total.+$9.99 shipping
  • Offer #5: $31.55 price + $10.00 shipping estimate = $41.55* total.+$10.00 shipping

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