Availability
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
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Transmission Case, TH400, Aluminum, SFI Approved, GM, Each
Part Number: SUM-700405
Estimated Ship Date: Today
Estimated Ship Date: Today
OFFROAD TRANSMISSION CASE
Part Number: REI-SH400OFF
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Powerglide Case, Superglide, 2-Piece, Permanent Mold Aluminum Casting, SFI 4.1 Certfied, Each
Part Number: REI-PG2000
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Automatic Transmission Case, Replacement, Aluminum, Natural, 6L80, Cadillac, Chevrolet, GMC, Pontiac, Each
Part Number: ADO-24290673
Not Yet Reviewed
Estimated Ship Date: Feb 17, 2026 if ordered today
Estimated Ship Date: Feb 17, 2026 if ordered today
Automatic Transmission Case, Replacement, Aluminum, Natural, Cadillac, Chevrolet, GMC, Each
Part Number: ADO-24292379
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24273111
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cases, ACDelco Automatic Transmission Cases, Aluminum, Natural Finish, Chevy, Each
Part Number: ADO-24275994
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Case, Aluminum, Natural, GM, Each
Part Number: ADO-24247300
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24290674
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24290675
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Auto Trans Case
Part Number: ADO-24230709
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24292384
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Automatic Transmission Cases, ACDelco Automatic Transmission Cases, Aluminum, Natural Finish, Buick, Cadillac, GMC, Each
Part Number: ADO-24284343
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24284344
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24284345
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Automatic Transmission Case
Part Number: ADO-24284347
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
CASE-A/TRNS (MCHG)
Part Number: ADO-24284596
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24292383
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Transmission Case, Aluminum, Natural, GM, Powerglide, Each
Part Number: REI-PG2000-400R
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
CASE ASM-A/TRNS
Part Number: ADO-24294176
Not Yet Reviewed
Estimated Ship Date: Feb 23, 2026 if ordered today
Estimated Ship Date: Feb 23, 2026 if ordered today
Transmission Case, SFI-approved Case without Bellhousing, for Reid Powerglide with TH400 Output Shaft, Each
Part Number: HUP-PG2000-400
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
CASE ASM-A/TRNS
Part Number: ADO-24265867
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Automatic Transmission Case
Part Number: ADO-24293722
Not Yet Reviewed
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
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