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.
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.
i have this number, 26041413, cast on the rear differential of my 97 blazer s-10. i believe it was swapped at some point from another vehicle. it appears to be a locker differential; numbers on axle casing are too rusted to read.
i have this number, 26041413, cast on the rear differential of my 97 blazer s-10. i believe it was swapped at some point from another vehicle. it appears to be a locker differential; numbers on axle casing are too rusted to read.
Only if the rear axle is a drive axle.
The rear outside axle seal on my 1968 Chevelle has on it's outside face, the number 3832418. I am not sure if GM uses this same number for their parts inventory, but the manufacturer of the seal does.
Yes
Inside the rear axle.Inside the rear axle.
depends on the options chosen at purchase, call g.m with axle number
On the rear axle?
Top of the rear axleTop of the rear axle
The number of times the driveshaft turns for each turn of the rear end gear. For example, a 3.55 rear end gear would turn once for every 3.55 rotations of the driveshaft.