GM GENUINE PARTS 55566887 Manual Transmission Gear 3RD

( Brand: Gm Genuine Parts ), ( Manufacturer Part Number: 55566887 ), ( Part Type: Manual Transmission Gear ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included ), ( Item Length: 6.75 In )

Review GM GENUINE PARTS Manual Transmission 3rd Gear

The GM 55566887 manual transmission 3rd gear is a crucial component of a manual transmission system designed specifically for select General Motors vehicles. This third gear is engineered to deliver optimal power transfer and smooth shifting experiences.

This gear is precision-machined from high-strength steel, ensuring durability and reliability. Its tooth design and geometry are meticulously calculated to provide efficient power transmission between the engine and transmission. The gear's surfaces are treated with a hardening process, enhancing its resistance to wear and tear.

The GM 55566887 third gear features a synchronizer system. This system allows for smooth engagement between gears, ensuring a seamless shifting experience. The synchronizer helps reduce noise and vibration during gear changes and prevents the wear of gears by matching their rotational speeds before engagement.

This gear measures approximately 4.25 inches in diameter and 3.25 inches in width. It weighs around 1.5 pounds, offering a good balance between strength and weight. The GM 55566887 third gear is designed to fit select GM vehicles, including some models of Chevrolet and GMC.

Installing the GM 55566887 manual transmission 3rd gear requires removing the old gear and its associated components, such as the clutch assembly and transmission bell housing. Proper installation should be performed by a skilled mechanic or a knowledgeable car enthusiast. It is recommended to follow the manufacturer's instructions for installation carefully to ensure the best possible results.

In summary, the GM 55566887 manual transmission 3rd gear is a robust and efficient component designed to provide optimal power transfer and smooth shifting experiences. It is precision-machined from high-strength steel, features a synchronizer system for smooth engagement, and is designed to fit select GM vehicles. Proper installation is recommended for optimal performance.

Buying a GM 55566887 manual third gear involves weighing its potential benefits against the possible drawbacks. Here are some pros and cons to consider:

1. Improved Performance: A manual third gear can provide better acceleration and overall performance compared to the automatic transmission. Manual gear shifting allows for precise control of engine speed, enabling more efficient power delivery.

2. Cost-Effective: Manual transmissions are generally less expensive than their automatic counterparts. Replacing a manual third gear may be a more cost-effective solution for those on a budget.

3. Customizability: Manual transmissions offer more control and customizability. Drivers can tailor their driving experience by selecting the optimal gear for a given situation, resulting in improved fuel efficiency and increased power output.

4. Durability: Manual transmissions often have fewer moving parts than automatic transmissions, making them more durable and less prone to failure.

1. Complexity: Manual transmissions are more complex than automatic transmissions. Installing a new manual third gear may require specialized knowledge and tools, potentially leading to higher labor costs.

2. Learning Curve: Driving a manual transmission vehicle can be more challenging for some individuals, particularly those accustomed to automatic transmissions. Learning to operate the clutch, shifter, and pedals efficiently can take time.

3. Maintenance: Manual transmissions require more regular maintenance than automatic transmissions. This includes regular oil changes, inspections, and clutch replacement.

4. Noise and Vibration: Manual transmissions can be noisier and more prone to vibration than automatic transmissions. These issues may become more apparent when replacing a worn-out third gear.

The decision to buy a GM 55566887 manual third gear depends on individual preferences, driving habits, and budget considerations. For those seeking better performance, control, and cost savings, a manual transmission may be the preferred choice. However, it's essential to weigh the potential benefits against the added complexity, learning curve, and maintenance requirements. Ultimately, drivers should carefully evaluate their needs and resources before making a purchase.

If you are confident in your ability to perform the installation yourself or have access to a skilled mechanic, and you prioritize performance, customizability, and cost savings, then purchasing a GM 55566887 manual third gear may be a worthwhile investment. However, if you prefer a smoother, more convenient driving experience, or lack the time and resources for regular maintenance, an automatic transmission may be a better fit. Ultimately, it's crucial to carefully consider your needs and driving habits before making a decision.

Details:

Changed My Mind. Just Didn't Like it. Found a Better Price.

part #: 55566887 prices

• $107.92-$108.82

specifications manutransmission:

• brand: Gm Genuine Parts
• mpn: 55566887
• part type: Manual Transmission Gear
• genuine oem: Yes
• manufacturer warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included
• item length: 6.75 In

payments manutransmission:

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

offer manutransmission:

• sold: 0
• options: Ship-to-home
• started: March 28, 2026
• quantity: 3
• availability: In Stock

shipping manutransmission:

• class: Standard
• type: Fixed
• carrier: FedEx
• cost: $0.00
• transit: 10-16 Days
• service: FedEx Ground / FedEx Home Delivery

seller manutransmission:

• city: Garland, Texas
• # reviews: 30157
• rating: 99.0%

general manutransmission:

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

returns manutransmission:

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

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