GM 3879999 Muncie Gear General O.e. 2ND

( Brand: Gm ), ( Manufacturer Part Number: 3879999 ), ( Type: M22 Muncie 4 Speed 2nd Gear ), ( Items Included: M22 2nd Gear New ), ( Gear Count: 30 Tooth ), ( Material: 9310 Steel ), ( Universal Fitment: Yes ), ( Country Of Origin: United States )

Review GM General Motors Genuine Muncie Speed.e. 2nd Gear Gm# Nice Used fits M22

Introducing the 3879999 M22 Muncie OE 2nd Gear from General Motors, a high-performance manual transmission gear designed for ultimate durability and smooth shifting. This gear is an original equipment (OE) part, ensuring it meets the exact specifications and standards of General Motors.

The 3879999 M22 Muncie OE 2nd Gear is engineered with precision-machined teeth, ensuring optimal tooth engagement for reliable and consistent power transfer. The gear teeth are hardened and shot-peened to enhance their strength and durability, minimizing the risk of tooth cracking or bending under heavy loads.

This gear is designed for use in the M22 "Rock Crusher" Muncie four-speed transmission, a popular choice among enthusiasts for its robust construction and superior performance. The 2nd gear in particular is crucial for providing the optimal power band for acceleration and passing maneuvers, making it an essential component for any high-performance application.

The 3879999 M22 Muncie OE 2nd Gear is manufactured with the highest quality materials, ensuring a long service life and reliable operation. The gear is also precision-machined to ensure a perfect fit in the transmission, minimizing the risk of gear noise or vibration.

Installing the 3879999 M22 Muncie OE 2nd Gear is a straightforward process, making it an ideal upgrade for DIY enthusiasts. Each gear comes with a detailed installation guide, ensuring a hassle-free installation process.

In summary, the 3879999 M22 Muncie OE 2nd Gear from General Motors is an essential upgrade for any high-performance application that requires the robust construction and superior power transfer capabilities of the M22 Muncie transmission. With its precision-machined teeth, hardened and shot-peened construction, and OE design, this gear delivers the ultimate in durability, reliability, and performance.

Buying a GM 3879999 M22 Muncie O.E. 2nd gear may be an attractive option for those looking to upgrade their transmission for high-performance applications. Here are some pros and cons to consider before making a purchase:

1. Durability: The M22 Muncie transmission is known for its robustness and ability to handle high horsepower. It was originally designed for racing applications.

2. Gear Ratio: A 2nd gear upgrade can provide better acceleration and power delivery, making it an appealing choice for those seeking improved performance.

3. OEM Part: As a factory-original GM part, you can be assured of its quality and compatibility with your vehicle.

1. Cost: The price point of an OEM M22 Muncie transmission is relatively high compared to aftermarket alternatives.

2. Installation Complexity: Installing a new transmission requires specialized tools and knowledge, which may add to the overall cost and complexity of the project.

3. Availability: Due to its popularity among performance enthusiasts, the availability of new OEM M22 Muncie transmissions may be limited.

In conclusion, purchasing a GM 3879999 M22 Muncie O.E. 2nd gear transmission can offer improved durability, better gear ratio, and peace of mind knowing it's an OEM part. However, the high cost, installation complexity, and limited availability are important factors to consider before making a purchase.

If you're dead set on getting an M22 Muncie transmission for your vehicle, it may be worth considering a rebuilt or used transmission to save on costs while still benefiting from the performance and durability of the M22. Alternatively, you could explore aftermarket options, which may offer better value for money while still providing solid performance improvements. Ultimately, the decision depends on your specific needs, budget, and priorities.

Details:

High-quality gear with a tooth count of 30 teeth. This is the real deal genuine.E. USED M22 Muncie 4 Speed 2nd Gear. It was designed specifically for the Muncie 4 speed M22 transmission.

part #: 3879999 prices

• $121.23-$129.74

specifications manutransmission:

• brand: Gm
• mpn: 3879999
• type: M22 Muncie 4 Speed 2nd Gear
• items included: M22 2nd Gear New
• gear count: 30 Tooth
• material: 9310 Steel
• universal fitment: Yes
• country of origin: United States

seller manutransmission:

• city: Eaton Rapids, Michigan
• # reviews: 9912
• rating: 99.8%

returns manutransmission:

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

shipping manutransmission:

• service: USPS Ground Advantage, UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• class: Standard, Expedited, One-day
• cost: $16.20
• carrier: USPS, UPS
• type: Calculated
• transit: 3-8 Days

general manutransmission:

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

payments manutransmission:

• other
• wallet: Apple-pay
• credit card: Mastercard

offer manutransmission:

• started: February 17, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 1

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