The GM 12 bolt rear end casting number 3969341 NF is a specific identifier for a rear axle used in various Chevrolet and GM vehicles, particularly during the muscle car era of the 1960s and 1970s. This casting number indicates that the rear end was manufactured by General Motors and is associated with certain high-performance models, often used for their durability and strength. The "NF" suffix typically denotes the specific gear ratio or application for the rear end. Collectors and restorers often seek out this casting number for authenticity in classic car restorations.
1970-72 Chevy Chevelle 12 bolt rear end.
10 bolt k 3 casting #1254332 ratio is 2.56 positraction ring is 8.5 inches
The rear end casting number 26041413 corresponds to a 1970 Chevrolet rear differential. This casting number is typically associated with the 12-bolt rear end used in various Chevrolet models during that time. To confirm the specific application, it’s important to check the additional identifying features and components.
I know that this rear is a gm standard 10 bolt, and Pontiac used it in the 64-66 gto, tempest, and le mans.
1974 c20 chevrolet rear axel. 4.56 gearing. 8 bolt wheel. {corporate 14} 8.5 gear. ill bet a pepsi on that one. thank you GW
While I cannot narrow it down to a model, the rear end casting number is from a truck by International Harvester. International Harvester is now known as Navistar International Corporation.
The casting number 26041413 is associated with the rear end from the GM 10-bolt axle, commonly found in various Chevrolet and GMC vehicles, particularly in the 1970s and 1980s. This axle was used in a range of models, including the Chevrolet Camaro, Corvette, and various pickup trucks. The specific application can vary based on the vehicle model and year.
Casting number 1253741 rear end housing is 76 Monte Carlo thats what is in mine
GM 12 Bolt
That is a 1965 Chevrolet Chevelle 12 bolt rear differential.
gm 14 bolt rear end housing
It is what the rear wheels bolt to.It is what the rear wheels bolt to.