GM THM-400 KITS and PARTS
Welcome to our GM THM-400 products page!
We offer basic and Deluxe kits, as well as individual parts for your transmission project.
Use the picture below to identify the 1964-1990 THM-400:
The THM-400 was produced from 1964-1990.
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DELUXE SUPER KIT for THM-400
YEARS 1964-1990
item# DLXSKT400
$323.99
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This kit includes:
1. Master Overhaul kit with all friction and steel plates
2. Filter, (flat type, 1967 and later)
3. Front band
4. Bushing kit
5. Thrust washer kit
6. Thrust bearing kit
7. Governor gear
8. Vacuum modulator (red stripe)
BASIC KITS
Master Overhaul Kit
1964 - 1990 THM-400 master overhaul kit
This kit includes all paper, metal and cork gaskets, lip seals, metal clad seals, sealing rings, o rings, all friction and steel plates and other small parts.
item #W34006A
$167.99
Overhaul Kit
1964-1990 THM-400 overhaul kit
This kit includes all paper, metal and cork gaskets, lip seals, metal clad seals, o rings, sealing rings, any other small parts. Kit does NOT include friction and steel plates.
$79.99
INDIVIDUAL PARTS
flat type filter, 1967 and later models
item #34010A
$18.69
vacuum modulator fits all models
item #44160R
$17.81
complete bushing kit
item #34030
$37.99
governor gear kit
item #34684
$8.95
thrust washer kit
item #34200
$22.35
thrust bearing kit
item #34201A
$29.74
intermediate roller and spring assembly
item # A34652
$29.13
intermediate 34 element sprag assembly
item #34652A
$83.99
intermediate front band
item #34022
$19.80
reverse band (grooved type)
item #34024
$39.81
case connector, single prong type
item #34444A
$9.29
case connector, 2 prong type
item #34444C
$10.49