Automatic Transmission Cases

Automatic Transmission Case, Super Hydra 400, A Option, 0.435 in. Thick PP, Call for Thinner Options, SFI 4.1, Aluminum, Natural, GM TH400, Each

Part Number: REI-SH400DRAG

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Automatic Transmission Case, Powerglide, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-2505

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

OFFROAD TRANSMISSION CASE

Part Number: REI-SH400OFF

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Automatic Transmission Case, Super 80, GM 4L80E, SFI 4.1, Each

Part Number: REI-S80

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Powerglide Case, Superglide, 2-Piece, Permanent Mold Aluminum Casting, SFI 4.1 Certfied, Each

Part Number: REI-PG2000

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Automatic Transmission Case, Aluminum, Natural, TH400, GM, Each

Part Number: ATI-400013

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Automatic Transmission Case, Aluminum, Natural, TH400, GM, Each

Part Number: ATI-400011

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Automatic Transmission Cases, SuperCase, SFI Rated, with Chevy Bellhousing, No Band/Governer, Aluminum, Natural, TH350, GM, Each

Part Number: ATI-350011NG

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 28, 2026 if ordered today

• Free Shipping
• Special Order

Powerglide Case, Superglide, 2-Piece, With Roller Bearing, Permanent Mold Aluminum Casting, SFI 4.1 Certfied

Part Number: REI-PG2000R

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026 if ordered today

• Free Shipping
• Special Order

Automatic Transmission Cases, ACDelco Automatic Transmission Cases, Aluminum, Natural Finish, Chevy, Each

Part Number: ADO-24275994

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24273111

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

POWERGLIDE TWO-PIECE CASE

Part Number: EW1-37276

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

• Free Shipping

Transmission Case, SuperCase, Powerglide, Aluminum, Natural, SFI 4.1/30.1 Rating, Each

Part Number: TCI-720002

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Case, TH400, Aluminum, Natural, SFI 4.1, GM, Each

Part Number: TOS-4072

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Automatic Transmission Cases, ACDelco Automatic Transmission Cases, Aluminum, Natural, Chevrolet, GMC, Each

Part Number: ADO-24284596

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

• Oversize $21.99
• $20 Summit Bucks on $200 spent*
• Special Order

Automatic Transmission Case, Aluminum, Natural, GM, Each

Part Number: ADO-24247300

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

Auto Trans Case

Part Number: ADO-24277069

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Oversize $21.99
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24284191

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24288905

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24276958

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24276467

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24284344

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24288906

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Oversize $21.99
• $20 Summit Bucks on $200 spent*
• Special Order

CASE ASM-A/TRNS

Part Number: ADO-24284345

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• Free Shipping
• $20 Summit Bucks on $200 spent*
• Special Order