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Products
Torque Converters
4L80E/4L85E Torque Converter
4L80E/4L85E Torque Converter
4L80E/4L85E Torque Converter Family:
Torque Converter Remanufacturing Standards
GM 4L80E / 4L85E
Replacement of all worn or damaged hubs
100% new Friction Linings
100% new Bearings
All Pistons machined to exceed factory trueness specs
Outer Diameter trimmed to assist with better balance and function
HD and HP versions available
4L80E/4L85E Torque Converter Part List
GM88
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Milled Flats
2.050 Hub Height
D
: 1.703
35
1600-1800
Codes
: 24202989, 24210827, 24210828, 24210829, 24210862, 24211407, 24217236, 24217328, 24217609, 2419327, 24219329,
24228538, 24240863
Notes
: Stock Clutch Piston; GM88 Can Replace GM81
GM88-BP
tech bulletin
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Milled Flats
2.650 Hub Height
D
: 1.703
35
1600-1800
Codes
: 24202989, 24210827, 24210828, 24210829, 24210862, 24211407, 24217236, 24217328, 24217609, 2419327, 24219329,
24228538, 24240863
Notes
: Billet Clutch Piston
GM88H
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Milled Flats
2.050 Hub Height
D
: 1.703
35
2200-2400
Codes
: 12491334, 17803871, 24210825, 24210830, 24210831, 24217235, 24217364, 24219303, 24219326, 24219328, 24219330,
24227936, 364, 830
Notes
: Stock Clutch Piston; GM88H Can Replace GM82
GM88H-BP
tech bulletin
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Milled Flats
2.650 Hub Height
D
: 1.703
35
1800-2000
Codes
: 12491334, 17803871, 24210825, 24210830, 24210831, 24217235, 24217364, 24219303, 24219326, 24219328, 24219330,
24227936, 364, 830
Notes
: Billet Clutch Piston
GM82
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Slotted
2.050 Hub Height
D
: 1.703
35
1800-2000
Codes
: 193, 19B1, 1SB1, 24202992, 24202993, 24210693, 366, 526, 604, 8676526, 8682604, 8690903
Notes
: Stock Clutch Piston; GM82 With Flanged Hub Can Replace
GM88H
GM82-BP
tech bulletin
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Milled Flats
2.050 Hub Height
D
: 1.703
35
1800-2000
Codes
: 193, 19B1, 1SB1, 24202992, 24202993, 24210693, 366, 526, 604, 8676526, 8682604, 8690903
Notes
: Billet Clutch Piston
GM81
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Slotted
2.050 Hub Height
D
: 1.703
35
1600-1800
Codes
: 1SA0, 1SA1, 194, 492, 24202989, 24202990, 24202991, 24217609, 528, 576, 606, 675, 849, 8676528, 8682606, 8683670,
8683671, 8683675
Notes
: Stock Clutch Piston; GM81 With Flanged Hub Can Replace GM88
GM81-BP
tech bulletin
Lock Up
DIA
BOLT CIRCLE
MOUNT
HUB
PILOT
SPL
STALL
13.750
11.50
6 Pads
10mm x 1.5
Milled Flats
2.050 Hub Height
D
: 1.703
35
1600-1800
Codes
: 1SA0, 1SA1, 194, 24202989, 24202990, 24202991, 24217609, 492, 528, 576, 606, 675, 849, 8676528, 8682606, 8683670, 8683671, 8683675
Notes
: Billet Clutch Piston
Resources:
Torque Converter Catalog
To place an order or check availability, call your sales rep or
the Transtar location nearest you
.