If you are looking for heavy-duty or custom-built units, these specialists are the industry standard:

Buying a transmission online is a great way to compare prices between remanufactured, used, and high-performance units. Most major retailers offer shipping directly to your home or a local mechanic. Specialty Performance Retailers

: Specializes in refurbished units for American and import vehicles, including trucks and vans.

: Provides a huge inventory of complete automatic, manual, and CVT transmissions. General Retailers & Marketplaces

For daily drivers, remanufactured (refurbished to factory specs) or used units are often the most cost-effective: