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  3. GM 3967888

GM 3967888 Nos Propeller Shaft Pinion Bearing Nut

fits model: Blazer. make: Chevrolet. year: 1971–1972.

3967888 Gm Nos Oem 1971 1972 Chevrolet Blazer Propeller Shaft Pinion Bearing Nut

( Brand: Gm ), ( Manufacturer Part Number: 3967888 ), ( Part Type: Pinion Bearing Propeller Shaft ), ( Vintage Part: Yes )

Review GM Nos Oem Chevrolet Propeller Shaft Pinion Bearing Nut fits BLAZER 1971–1972

The GM part number 3967888 is specifically designed for the propeller shaft pinion bearing nut of 1971 and 1972 Chevrolet Blazer models. This crucial component is an essential part of the vehicle's drivetrain system, responsible for securing the pinion bearing of the propeller shaft to the differential.

The nut is manufactured to meet the high standards of General Motors, ensuring a precise and secure fit. It is made from durable materials, engineered to withstand the extreme forces transmitted through the drivetrain during regular operation. The nut is also designed to be easily accessible for maintenance purposes.

The part features a hexagonal shape with 12 sides, allowing it to be secured with a standard socket wrench or a box end wrench. The nut's diameter measures approximately 1.5 inches, and the thread pitch is 12 points per inch. The nut's surface is coated with a protective finish to prevent rust and corrosion, ensuring the longevity of the part.

Installing the nut is a straightforward process. First, the old nut must be removed using a wrench. Once the old nut is off, the new nut can be threaded onto the propeller shaft. The nut should then be tightened to the recommended torque specification using a torque wrench. Properly installing the nut ensures the drivetrain system functions efficiently, reducing the risk of vibrations and noises.

In summary, the GM 3967888 propeller shaft pinion bearing nut is an essential component for the drivetrain system of 1971 and 1972 Chevrolet Blazer models. It is manufactured to meet the high standards of General Motors, ensuring a precise and secure fit. The nut is easy to install and features a protective finish to prevent rust and corrosion.

Buying a propeller shaft pinion bearing nut for a 1971-1972 Chevrolet Blazer with GM part number 3967888 involves considering both the advantages and disadvantages.

Advantages:

1. OEM Part: This part is an original equipment manufacturer (OEM) part, which means it is manufactured by the same company that originally made it for the vehicle. This can help ensure a proper fit and function.

2. Quality: OEM parts are generally of high quality and are designed to meet the specifications of the vehicle.

3. Warranty: OEM parts often come with a warranty, providing peace of mind and protection against defects.

Disadvantages:

1. Cost: OEM parts can be more expensive than aftermarket parts due to their higher quality and the brand name associated with them.

2. Availability: OEM parts may not be as readily available as aftermarket parts, especially for older vehicles. This could result in longer wait times for repairs.

Conclusion:

The decision to buy the OEM propeller shaft pinion bearing nut for a 1971-1972 Chevrolet Blazer with GM part number 3967888 ultimately depends on individual priorities. If the importance of a proper fit, high quality, and a potential warranty outweighs the cost and availability concerns, then the OEM part is the recommended choice. However, if budget is a primary concern, an aftermarket part may be a more cost-effective alternative. It is always recommended to consult with a trusted mechanic or parts specialist for advice on the best option for a specific situation.

Details:

New in sealed package. Storage 63us. Please see pictures.

part #: 3967888 prices

  • $29.80-$55.00

specifications othellodrivetrain:

  • for models: Blazer
  • for makes: Chevrolet
  • for years: 1971-1972
  • brand: Gm
  • mpn: 3967888
  • part type: Pinion Bearing Propeller Shaft
  • vintage part: Yes

shipping othellodrivetrain:

  • class: Standard
  • transit: 4-10 Days
  • type: Fixed
  • cost: $6.00
  • service: USPS Ground Advantage
  • carrier: USPS

offer othellodrivetrain:

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

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returns othellodrivetrain:

  • policy: Returns Accepted
  • time: 30 Days
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seller othellodrivetrain:

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  • city: Falconer, New York

general othellodrivetrain:

  • Car Truck Parts Accessories > Transmission Drivetrain > Other Transmission Drivetrain
  • condition: New
for models: blazer, for makes: chevrolet, for years: 1971-1972, part type: pinion bearing propeller shaft, vintage part: yes,
category: auto parts > car truck parts accessories > transmission drivetrain, sku: 12583318151563752,

Gm 3967888 Is Similar To:

othellodrivetrain logo
3 offers $29.80–$55.00 USD
  • Offer #1: $29.80 price + $6.00 shipping estimate = $35.80* total. Storage 63us New in sealed package.+$6.00 shipping
  • Offer #2: $30.00 price + $15.86 shipping estimate = $45.86* total. 1- NOS GENUINE GM PROPELLER SHAFT PINION FLANGE NUT PART #.+$15.86 shipping
  • Offer #3: $55.00 price + $9.50 shipping estimate = $64.50* total. See last two pictures for all of the different applications. NOS 1969-72 Blazer and 1973-78 Blazer Jimmy with V8 Propeller Shaft Pinion Flange (Nut) GM # and GR.+$9.50 shipping

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