2931961 MOPAR Nos Rear Drive Pinion Shim Set

Review MOPAR Nos Rear Drive Pinion Shim Set 1/4

The Mopar 2931961 NOS (New Old Stock) Rear Drive Pinion Shim Set is specifically designed for Chrysler, Dodge, and Plymouth vehicles manufactured between 1969 and 1974 with a rear drive configuration. This essential automotive component is designed to ensure the proper alignment and function of the pinion and gear in the rear end assembly.

Each set includes a comprehensive collection of shims, made of high-quality materials with precise dimensions. These shims are used to adjust the pinion depth and alignment, allowing for optimal gear engagement and smooth operation. The set includes various shim thicknesses to accommodate different rear end configurations and wear levels.

The shims themselves are thin, flat pieces of material with precise dimensions, designed to be used as spacers between the pinion and the gear. They help to maintain the correct clearance between these two critical components, ensuring proper meshing and avoiding excessive wear.

The Mopar 2931961 NOS Rear Drive Pinion Shim Set is an important maintenance and repair item for vehicle owners who drive their classic cars regularly or who are restoring their vintage vehicles. Properly installing the shims can help to extend the life of the pinion and gear, improve performance, and ensure safe and reliable operation.

This set is considered NOS (New Old Stock), meaning it is a factory-new, unused item that has been recently discovered in original factory packaging. This makes it an ideal choice for those seeking authentic, original parts for their classic or vintage vehicles.

In summary, the Mopar 2931961 NOS Rear Drive Pinion Shim Set is a crucial automotive component for Chrysler, Dodge, and Plymouth vehicles manufactured between 1969 and 1974. It is designed to ensure proper pinion depth and alignment, improve performance, and extend the life of the pinion and gear. This NOS set is an ideal choice for those seeking authentic, original parts for their classic or vintage vehicles.

Mopar 2931961 NOS Pinion Shim Set for 1969-1974 Rear Drives: A Comprehensive Analysis

The Mopar 2931961 NOS (New Old Stock) pinion shim set is designed specifically for use in the rear drives of 1969-1974 Chrysler muscle cars. These shims play a crucial role in maintaining the correct axle geometry and ensuring the smooth operation of the differential. Let's examine the potential advantages and disadvantages of purchasing this product.

1. Authenticity: Since this is a NOS part, it is an original factory replacement. This could be a significant advantage for enthusiasts who prefer genuine Mopar parts.

2. Improved Performance: A worn-out or incorrectly sized shim can cause noise, vibration, or even differential damage. Replacing the shims with new ones can lead to improved performance and a quieter ride.

3. Preservation of Value: For collectors and restorers, using genuine NOS parts can help preserve the value of their vehicles.

4. OEM Fitment: These shims are designed to fit and function exactly as the original parts, ensuring a proper fit and reliable performance.

1. Cost: NOS parts can be more expensive than aftermarket alternatives due to their scarcity and collectability.

2. Availability: Since NOS parts are limited, they might not always be readily available, which could lead to extended waiting times for repairs or rebuilds.

3. Overkill for some applications: For those who are not concerned with authenticity or are on a budget, aftermarket shims may be a more cost-effective solution.

The Mopar 2931961 NOS pinion shim set offers several advantages, including authenticity, improved performance, and preservation of value. However, it also comes with some disadvantages, such as cost and availability. Ultimately, the decision to purchase this product depends on your priorities and budget. If you are a collector, restorer, or performance enthusiast who values authenticity and OEM fitment, this NOS pinion shim set may be worth the investment. If you are on a budget, or the availability of NOS parts is not a concern, aftermarket alternatives may be a more practical choice.

Details:

Rust free, factory sealed nos!, location v45, 2931961 new, never installed, genuine Mopar. This set of factory sealed shims service the following. 1969-1974 dodge and Plymouth, with 8 1/4 these are .061 thick.

specifications differentialsdepo:

• for years: 1969–1974
• brand: Mopar
• mpn: 2931961
• type: Shims
• ipn: 1969-1974
• manufacturer warranty: Lifetime
• vintage part: Yes
• country of origin: United States
• placement on vehicle: Left, Rear, Right

shipping differentialsdepo:

• transit: 5-8 days
• carrier: usps
• type: fixed
• class: standard
• service: usps ground advantage

seller differentialsdepo:

• # reviews: 39808
• rating: 99.7%
• city: grafton, ohio

offer differentialsdepo:

• availability: in stock
• started: april 11, 2026
• in stock #: 1
• price: $19.49
• item condition: New
• options: ship-to-home
• sold #: 7

returns differentialsdepo:

• policy: returns accepted
• paid by: seller
• time: 30 days

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

payments differentialsdepo:

• other
• credit card: mastercard
• wallet: apple-pay