GM 3987921 Speedometer Gear TH350C

( Brand: Gm ), ( Manufacturer Part Number: 3987921 ), ( Part Type: Speedometer Gear )

Review GM Tooth Teeth Speedometer Driven Gear Th350 fits 250C 350C 250 350 2021

The GM 3987921 21-speedometer gear is specifically designed for use with certain GM models, including the 250 and 250C, as well as the 350 and 350C, and is intended for use with TH350 and TH350C transmission systems. This high-quality speedometer gear is engineered to deliver precise and accurate speed readings, ensuring a safe and enjoyable driving experience.

The gear is constructed from heavy-duty materials, ensuring durability and longevity even under heavy use. It fits snugly into the transmission system and is designed to minimize vibration and noise, providing a smooth and quiet operation. The precision machining ensures a perfect fit and proper engagement with the transmission, reducing the risk of slippage and providing reliable and consistent performance.

The GM 3987921 21-speedometer gear is easy to install, and compatible with factory-installed speedometer systems. It is important to note that it is essential to follow the correct installation procedure to ensure proper functioning of the speedometer and other instruments. If you are unsure of the installation process, it is recommended that you seek the help of a professional mechanic.

In addition, it is important to note that this gear is a replacement part, so it is intended for use in vehicles that have previously had issues with the original speedometer gear. Either due to wear and tear or due to damage from accident or improper use, the original gear may need to be replaced to ensure proper functioning of the speedometer and other related instruments.

Genuine GM parts, like this GM 3987921 21-speedometer gear, are a great investment for vehicle owners looking to maintain the integrity and performance of their vehicles. By using only OEM parts, you can ensure that your vehicle continues to deliver the reliable and optimal performance that you have come to expect from your GM vehicle. In conclusion, this GM 3987921 21-speedometer gear is an essential part for the TH350 and TH350C transmission systems in certain GM models, providing exacting performance and durability for worry-free driving.

Pros and Cons of Buying a GM 3987921 21-speedometer gear for 250, 250C, 350, and 350C Th350 and Th350C Transmissions

The GM 3987921 21-speedometer gear is a critical component of the speedometer system for certain GM vehicles with Th350 and Th350C transmissions, including 250 and 350 models. Here are the potential advantages and disadvantages of purchasing this part.

- Accurate Speed Measurement: This part ensures accurate speedometer readings by providing the necessary gear for the transmission to drive the speedometer cluster.

- Reliable and Durable: GM components are known for their reliability and durability, making this part a dependable choice for maintaining the speedometer functionality in your vehicle.

- Easy Installation: This replacement gear may not require extensive engine work or transmission rebuilding, making it a straightforward and cost-effective upgrade.

- Cost: The replacement cost of the GM 3987921 21-speedometer gear can vary, but it might be relatively expensive compared to labor costs for diagnosis and installation, so the total investment could be significant.

- Availability: The availability of this part depends on the GM dealership or aftermarket suppliers in your area, which might limit your options for sourcing and price comparisons.

- Limited Functionality: This part only addresses the speedometer malfunction and does not account for other potential transmission issues, meaning that additional repairs might be required if other problems arise.

The GM 3987921 21-speedometer gear can help restore the functionality of the speedometer in vehicles with Th350 and Th350C transmissions, such as 250 and 350 models. While it offers the advantage of accuracy and reliability, potential customers should be aware of the cost, availability, and limited functionality constraints before making a purchase.

It is essential to weigh the pros and cons carefully and consider your necessities and budget before deciding to buy the GM 3987921 21-speedometer gear. Before purchasing, investigate alternative aftermarket options, assess the total cost, and consider the impact on your current vehicle maintenance plan. If you are confident that the replacement part addresses your needs and falls within your budget, it can be a suitable investment for maintaining the proper functioning of your speedometer.

Details:

part #: 3987921 prices

• $29.00-$255.00

specifications manutransmission:

• for models: 250c, 350c, 250, 350
• for years: 2021
• brand: Gm
• mpn: 3987921
• part type: Speedometer Gear

payments manutransmission:

• credit card: Discover
• cash
• other
• wallet: Paypal

shipping manutransmission:

• type: Fixed
• transit: 3-6 Days
• service: Economy
• cost: $0.00
• class: Economy

returns manutransmission:

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

general manutransmission:

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

offer manutransmission:

• availability: In Stock
• started: January 24, 2025
• quantity: 1
• options: Ship-to-home
• sold: 0

seller manutransmission:

• rating: 99.1%
• # reviews: 15547
• city: Mulvane, Kansas

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