fits make: Mopar. year: 1970–1989.

( Brand: Mopar Plymouth Dodge Chrysler ), ( Manufacturer Part Number: 2881423 ), ( Part Type: Case ), ( Vintage Part: Yes )
The Mopar 2881423 8-1/4 inch 8-3/8 rear differential is a high-performance component designed for use in Plymouth, Dodge, and Chrysler vehicles from the 1970 to 1989 model years. This differential is a vital component of the drivetrain and is responsible for transmitting power from the engine to the wheels while also allowing for smooth cornering and reliable operation.
Featuring a robust design with forged gears and heavy-duty bearing assemblies, the Mopar 2881423 differential offers superior strength and durability. Its 8.75-inch ring gear diameter ensures efficient power transfer and helps to reduce vibrations, making it ideal for high-performance applications. The unit comes with a Detroit Locker locking mechanism that provides improved traction and stability, making it an excellent choice for off-road use or heavy-duty towing.
The Mopar 2881423 rear differential is compatible with various axle configurations, including 3.21:1, 3.55:1, 3.91:1, and 4.10:1 gear ratios, providing flexibility for various driving styles and road conditions. It is designed to fit 1970-1989 model year vehicles that use an 8.75-inch differential, such as the Dodge Charger, Plymouth Road Runner, and Chrysler 300.
The maintenance-free design of this differential helps to reduce long-term overhead costs by eliminating the need for frequent replacement of lubricants. Its strong seals and rugged construction ensure a reliable and leak-free operation, making it a popular choice among enthusiasts and rebuilders.
The Mopar 2881423 8-inch rear differential is an excellent upgrade or replacement option for those seeking superior durability, reliability, and performance for their Plymouth, Dodge, or Chrysler vehicle. With its proven design and compatibility with various axle ratios, it is a versatile and adaptive solution for a wide range of driving applications. Upgrade your vehicle's drivetrain with the Mopar 2881423 and experience the difference in power, stability, and reassurance that comes with a high-performance rear differential.
Buying a Mopar Plymouth, Dodge, or Chrysler 8-1/4 inch or 8-3/8 inch rear differential with the part number 2881423, which was used in various muscle cars and trucks between 1970 and 1989, can be a worthwhile investment for enthusiasts and restorers. Here are some pros and cons to consider before making a purchase.
Pros:1. Authenticity and Originality: Installing an original Mopar rear differential can add to the authenticity and value of your classic car or truck.
2. Performance: These differentials have proven capability in handling the power output of high-performance Mopar engines. They are known for their strength, durability, and ability to handle high torque.
3. Suitability: If you own a Mopar vehicle from the 1970s to the early 1990s, replacing the stock differential with one that's specifically designed and manufactured by the original automaker can ensure a more excellent fit and improved reliability.
Cons:1. Price: Original Mopar differentials, especially those in good condition or marketed as rebuilt units, can be expensive. This is due to their demand, scarcity, and the cost of their manufacturing process.
2. Availability: Finding a quality, rebuilt or remanufactured differential from a reputable source may be difficult, especially if you have specific requirements or demands.
3. Maintenance: Owning an original differential may involve more frequent maintenance or repairs than modern differentials due to their age and design.
Conclusion:Ultimately, the decision to buy a Mopar 8-1/4 inch or 8-3/8 inch rear differential with the part number 2881423 depends on your personal preferences, goals, and priorities. If the car or truck's authenticity and performance are essential and you don't mind the investment, it could be worth it. However, if budget and ease of use are high priorities, a remanufactured or new differential from other reputable manufacturers might be a more suitable alternative.
Recommendation:Before making a purchase, research the market, compare prices from various sources like local auto parts shops, online stores, and reputable rebuilders. Request detailed specifications, warranties, and product histories if possible. Consider the reliability, availability, and affordability of comparable options before making an informed decision.
Used MoPar 8-1/4 or 8-3/8 rear differential case without Sure Grip part #2881423. Fits 1970-1989 Plymouth, Dodge and Chrysler cars, trucks vans. Comes with 27 spline gears as pictured YES IT HAS RUST. It came out of a Miranda in the mid 80s and was replaced with sure grip unit would make nice core to rebuild.