10R80 P3 Planet Core
6L80 Remanufactured Transmission
Silver metal torque converter with central cylindrical hub on a dark background.

Transmission, Converter, & Hard Parts Core Supply

Reliability at the Core

Mid Mountain is a Sparta, Tennessee buyer and seller of automotive cores. We specialize in supplying cores to the transmission rebuilding industry with a focus on transmission cores, torque converters, and hard parts.

Extensive Core Inventory

Mid Mountain is one of the largest recyclers of transmissions and parts in the industry. We maintain an inventory of the most common transmissions in operation today.

We Buy And Sell Cores

We buy domestic and import automotive transmission cores from a vast array of transmission manufacturers.

Fair Prices

MidMountain sells transmission cores and hard parts to rebuilders and companies all over the country and internationally at fair and affordable prices.

Industry Experience

Our core supply service is dedicated to working with transmission industry professionals. We focus on supplying cores to transmission shops and transmission remanufacturers.

Dedicated Support

With a sales force of over 100 of the most experienced sales staff in the industry and 45 locations nationwide you only have one call for all your core and hard parts needs.
1-800-940-0197

Superior Service

It is not just business; it's relationships. Our customer's are not just people that we simply want to buy our products. Our customers are partners in our business. We are here to support your business.

Transmission Core Supplier

Securing transmission cores are an important part of any transmission shop's business. At MidMountain, we pride ourselves on delivering the right cores on time. We stock and sell automatic transmission, manual transmission, standard transmission cores from both domestic and import transmission applications.

Popular Transmission Core Inventory

Chrysler A727, A904, 47RE, 48RE, A518, A618, 68RFE
Ford C6, AODE, 4R70W, E4OD, 4R100, 5R110, 6R80
GM Powerglide, TH400, 4L60E, 4L80E, 6L80, Allison 1000

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Torque Converter Core Supplier

Locating torque converter cores are an important part of any converter building business. Based in Tennessee, we strive to the deliver the correct cores on time throughout the United States. We stock and sell domestic and import converters that pair with the most popular transmissions on the road today.

Popular TOrque Converter Core Inventory

Chrysler A727, A904, 47RE, 48RE, A518, A618, 68RFE
Ford C6, AODE, 4R70W, E4OD, 4R100, 5R110, 6R80
GM Powerglide, TH400, 4L60E, 4L80E, 6L80, Allison 1000

Request Quote

Transmission Hard Parts Supplier

Our experienced team stocks and sells transmission hard parts for the most common GM, Ford, Chrysler and import transmissions on the road. Our extensive inventory consists of CVT pulleys, CVT belts, pumps, clutch drums, shafts, valvebodies, and more. Contact us today for more information.

Popular Transmission Unit Hard Parts

Chrysler A727, A904, 47RE, 48RE, A518, A618, 68RFE
Ford C6, AODE, 4R70W, E4OD, 4R100, 5R110, 6R80
GM Powerglide, TH400, 4L60E, 4L80E, 6L80, Allison 1000

Request Quote

a Proud Division of Whatever It Takes

As a Division of Whatever It Takes, MidMountain practices WIT’s values of superior customer service, high quality products, and experienced industry professionals.