GM GENUINE PARTS 12382857 Manual Transmission Blocking Ring

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 12382857 ), ( Part Type: Ring Manual Transmission ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Replaces Part Number: 15637298 )

Review GM GENUINE PARTS Manual Transmission Blocking Ring

The GM Part Number 12382857 refers to a Manual Transmission Blocking Ring. This essential component is designed to securely engage the manual transmission input shaft, preventing it from rotating when the vehicle's engine is not running. This function is crucial for various automotive tasks, such as performing maintenance work, oil changes, or diagnostic checks, as it ensures the transmission does not unintentionally move while the engine is disconnected.

The Manual Transmission Blocking Ring is manufactured using high-quality materials, ensuring durability and reliability. Its precise design allows for a snug fit on the transmission input shaft, ensuring a secure connection and effective blocking function. The ring features a smooth, polished finish, minimizing friction and wear during use.

The GM 12382857 Manual Transmission Blocking Ring is also engineered with a convenient mounting bracket, which simplifies the installation process. The mounting bracket securely attaches to the vehicle's transmission bellhousing, allowing the user to easily install and remove the blocking ring as needed. The bracket is designed to provide ample clearance for various automotive tools, enabling easy access to the transmission for maintenance and repair tasks.

In summary, the GM Part Number 12382857 Manual Transmission Blocking Ring is a vital component for any automotive enthusiast or professional mechanic. Its secure engagement with the transmission input shaft, coupled with its durable construction and convenient mounting bracket, makes it an indispensable tool for various automotive tasks, ensuring a safe and efficient working environment.

Buying a GM part number 12382857, which is a manual transmission blocking ring, can have both advantages and disadvantages, depending on your specific needs and circumstances. Here are some potential pros and cons:

1. Reliability: Purchasing a GM original equipment (OE) part like the 12382857 ensures that you are getting a part that is engineered and manufactured to meet the exact specifications of your vehicle. This can lead to improved reliability and longevity of your transmission system.

2. Fitment: OEM parts are designed to fit perfectly in your vehicle, reducing the risk of installation issues or compatibility problems.

3. Warranty: GM parts often come with warranties that cover defects in materials or workmanship. This can provide peace of mind and reduce the financial risk of purchasing a new part.

4. Performance: A new manual transmission blocking ring can improve the overall performance of your transmission system, leading to smoother shifts and better fuel economy.

1. Cost: GM OEM parts can be more expensive than aftermarket alternatives. This can be a significant deterrent for some buyers, especially if they are working on a tight budget.

2. Availability: GM OEM parts may not be readily available at local auto parts stores, requiring you to order them online or from a dealership. This can add to the time and cost of the repair process.

3. Installation: Installing a new manual transmission blocking ring can be a complex and time-consuming process, especially if you are not experienced in working on manual transmissions. This can add to the overall cost of the repair.

In conclusion, purchasing a GM OEM manual transmission blocking ring like the 12382857 can provide several benefits, including improved reliability, perfect fitment, warranty coverage, and performance. However, these benefits come with a higher cost and potential installation challenges. Ultimately, the decision to buy this part depends on your specific needs, budget, and experience level. If you value the peace of mind and performance benefits of an OEM part, and have the resources to cover the cost and installation, then purchasing the GM 12382857 may be the best choice for you. If you are working on a tight budget or are comfortable with aftermarket alternatives, then you may want to explore those options instead. Regardless of your decision, it's important to do your research and ensure that you are getting a high-quality part that will meet your needs and deliver the desired results.

Details:

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

part #: 12382857 prices

• $24.67-$67.62

specifications manutransmission:

• brand: Gm Genuine Parts
• mpn: 12382857
• part type: Ring Manual Transmission
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• replaces part number: 15637298

shipping manutransmission:

• type: Fixed
• cost: $8.99
• class: Standard
• service: Standard
• transit: 3-6 Days

general manutransmission:

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

offer manutransmission:

• quantity: 4
• options: Ship-to-home
• sold: 0
• started: November 16, 2025
• availability: In Stock

payments manutransmission:

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

seller manutransmission:

• city: Cincinnati, Ohio
• rating: 99.1%
• # reviews: 216

returns manutransmission:

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

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