GM 3911954 Nos Muncie Cluster Shaft General 3SPD

( Brand: Gm ), ( Manufacturer Part Number: 3911954 ), ( Type: Manual Transmission ), ( Metal/alloy Type: Steel )

Review GM General Motors Nos #3911954 Muncie 3spd Cluster Shaft fits SM330

The 3911954 NOs GM Muncie SM330 3-speed cluster shaft is an essential component of the SM330 3-speed transmission system for various GM vehicles. This part is specifically designed for those seeking a replacement or upgrade for their worn-out or malfunctioning original shaft.

The cluster shaft is a critical transmission component that connects the shift forks to the synchronizer hubs, enabling smooth and precise gear changes. Constructed from high-strength materials, this shaft delivers superior durability and reliability compared to the factory-installed part.

Measuring approximately 7.75 inches in length and 1.5 inches in diameter, the 3911954 NOs GM Muncie SM330 3-speed cluster shaft is meticulously engineered to ensure a perfect fit in your transmission. Its hardened steel construction guarantees resistance to wear and tear, even under heavy usage, making it an excellent choice for both daily drivers and high-performance applications.

The shaft features a unique design that includes a thick, heat-treated spline for added strength, ensuring secure engagement with the synchronizer hubs. The spline also boasts an aggressive tooth profile to provide enhanced torque transfer and improved shift quality.

The 3911954 NOs GM Muncie SM330 3-speed cluster shaft is specifically engineered for use in GM applications that require a 3-speed transmission, including the 1965-1969 Corvette, 1968-1974 Chevelle, and 1965-1972 Nova, among others. It is an excellent upgrade for those seeking to improve the overall performance and reliability of their classic GM vehicles.

In summary, the 3911954 NOs GM Muncie SM330 3-speed cluster shaft is a high-quality replacement or upgrade component for your GM transmission system. Its robust construction, precision engineering, and compatibility with a wide range of GM vehicles make it an essential addition to your vehicle restoration or performance enhancement project.

Buying a GM Muncie M21/M22/M23 3-speed cluster shaft (part number 3911954) can have both advantages and disadvantages depending on your specific circumstances. Here's a brief rundown of each:

1. Availability: Aftermarket parts like this one are widely available from various suppliers, ensuring that you can find one that fits your needs and budget.

2. Cost-effective: Compared to buying a remanufactured or new transmission, purchasing just the cluster shaft can save you a significant amount of money.

3. DIY satisfaction: Installing the cluster shaft yourself can be a rewarding experience for those who enjoy working on their cars and want to save on labor costs.

1. Incorrect fitment: There's a possibility that the aftermarket part may not fit your specific transmission perfectly, leading to additional costs and time spent on modifications or returns.

2. Quality concerns: The aftermarket part may not be of the same quality as an original GM part, which could result in premature failure or reduced performance.

3. Potential for damage: Installing the cluster shaft yourself might lead to unintended damage to other components, especially if you're not experienced with transmission work.

The decision to buy a GM Muncie M21/M22/M23 3-speed cluster shaft (part number 3911954) depends on several factors, including your budget, skill level, and the importance of having a perfect fit and high-quality part.

If you're comfortable with the risks and potential savings, purchasing an aftermarket cluster shaft can be a cost-effective solution. However, if you prioritize a perfect fit and high-quality part, you may be better off investing in a remanufactured or new transmission from a reputable supplier.

Before making a purchase, ensure that you've identified the correct part number for your specific transmission, and research potential suppliers to ensure they have a good reputation for providing accurate and high-quality aftermarket parts. Additionally, consider your installation skills and available resources, as a poorly installed cluster shaft could lead to additional issues.

Details:

NOS GM #3911954 Muncie SM330 3spd Cluster Shaft.

part #: 3911954 price

• $30.00

specifications complmanu:

• for models: Sm330
• brand: Gm
• mpn: 3911954
• type: Manual Transmission
• metal/alloy type: Steel

offer complmanu:

• best offers: True
• options: Ship-to-home
• started: January 5, 2026
• availability: In Stock
• quantity: 6
• sold: 0

returns complmanu:

• policy: No Returns

seller complmanu:

• # reviews: 0
• city: Whitmore Lake, Michigan
• rating: 0.0%

shipping complmanu:

• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• transit: 5-11 Days
• type: Calculated
• cost: $10.30

payments complmanu:

• credit card: Diners-club
• wallet: Paypal
• other

general complmanu:

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

Gm 3911954 Is Similar To:

• 12471279 Gm Nos Bolt Rear End Gears Grand National Gn Chevy (21.7% similar) Comes with new ring and pinion, crush sleeve gear bolts. Up for sale is a nos set of these are Gm part and found in group bolt rear end gears for Gm cars and trucks non abs. The gears are correct for many Gm cars and trucks most commonly Camry fire bird, Buick grand nationals, Chevy GMC several more...(March 12th, 2018)
• 15530202 General Motors Gm Corp (39.6% similar) R gearing 1 credit for shipping if you pickup locally I am also selling a world class T-5 transmission in my other offer out of V6. Nice used v8 truck bell-housing never installed in my project...(August 20th, 2017)
• 3686796 Gm Nos Gearshift Control Shaft Seal Part To Ship (31.7% similar) 25 or USPS first class other details: always happy to combine shipping when possible. Just the nos part you are looking for. This nos new old stock item is part no. 015 the box is marked rubber seal soft and supple...(April 30th, 2018)
• 3740860 Gm Nos 1955-1963 Corvette (29.1% similar) Nos corvette 3 speed transmission main shaft. Only if you win the bid and live outside continental us. Buyer pays shipping...(August 13th, 2017)
• 3749488 Gm Nos 1958 Chevrolet (28.3% similar) Only if you win the bid and live outside continental us. Buyer pays shipping. Nos 1958 Chevrolet impala Blair passenger car with 348 pressure plate and clutch disc 1ST design stamped on cover part genuine Gm rare what you see in the photo is exactly get...(August 13th, 2017)
• 3831707 Gm Muncie Transmission Side Cover Bare (36.2% similar) ...(February 28th, 2019)
• 3831752 Gm Muncie Trans Intermediate Bearing Plate (35% similar) ...(February 15th, 2019)
• 3839606 Gm Muncie 9606 4 Speed (34% similar) We inspect all parts and replace anything needed. The gears in this transmission are like brand new. They came in 2 versions close ratio and wide both sold under M20. Selling to the lower 48 only. This is not a 100 correct transmission but with few things it can be...(December 27th, 2016)
• 3851305 Gm Muncie 1964-65 M20 (28.3% similar) I am not looking to make money from shipping. The main case is excellent. We buy master rebuild kits that are only made in the USA, no china crap bearing and gaskets. What you see on the table is get. The pin bore is tight and thrust faces are good. I know its a from the case having patent on it. We...(July 9th, 2017)
• 3857584 Gm Muncie Trans Tail Shaft Housing Rt Side Speedo (33.1% similar) ...(February 15th, 2019)
• 3915085 Muncie Nos Gm Speed Transmission (32.7% similar) Gear ratios are 1ST-2. 20:1, 2ND-1. If you are outside that region, call or message me and I will get a quote. Here is a brand new in the box 1968 M-21 close ratio transmission. 350HP, 427 390HP, 400HP, and 435HP Camry z 290HP, 396 375HP Chevalier 327 325HP, 350HP 375HP, Chevy ii passenger cars ...(August 1st, 2018)