The Gear Box Transmissions, Inc
3550 TKO 500 600

3550 TKO Basic Overhaul Kit
3550 TKO Basic Overhaul Kit
Basic overhaul kit for Tremec 3550, TKO, 500 or 600 series transmissions. Please specify application when ordering. GM & Ford.  All parts are genuine Tremec Borg Warner parts.

$71.95

3550 TKO Master Overhaul Kit
3550 TKO Master Overhaul Kit

Master overhaul kit for Tremec 3550, TKO, 500 or 600 series transmissions. Please specify application when ordering. GM & Ford. 


$333.00

3550 TKO 500 600 4th gear clutch cone
3550 TKO 500 600 4th gear clutch cone

4th gear clutch cone for all 3550, TKO, 500 & 600 series transmissions. Genuine OEM Tremec part.


$85.44

3550 TKO 500 600 1-2 Synchronizer Assembly
3550 TKO 500 600 1-2 Synchronizer Assembly

1-2 synchronizer assembly for all 3550 / TKO / 500 & 600 series transmissions.  Genuine OEM Tremec part.

Tremec part #2670739.


$289.42

3550 TKO 500 600 3-4 Synchronizer Assembly
3550 TKO 500 600 3-4 Synchronizer Assembly

3-4 synchronizer assembly for the 3550 / TKO / 500 & 600 series transmissions. Genuine OEM Tremec part.


$116.14

3550 TKO 500 600 2nd Gear 32 tooth

2nd gear with 32 teeth for 3550, TKO, 500 & 600 series transmissions.This part replaces 2606074. Genuine OEM Tremec part.


$111.79

3550 TKO 500 600 3rd Gear 26 tooth

3rd gear for all 3550, TKO, 500 & 600 series transmissions. 26 tooth. Genuine OEM Tremec part.


$156.42

500 Series Input Shaft Ford 26 spline 22 tooth
500 Series Input Shaft Ford 26 spline 22 tooth

Input shaft for 500 series transmissions for Ford application. 26 spline. Genuine OEM Tremec part


$134.12

3550 TKO Input Shaft Ford 26 spline

Input shaft for all 3550 & TKO Ford transmissions. 26 spline, 22 tooth. Genuine OEM Tremec Part.


$139.95

600 Series Input shaft Ford 26 spline 23 tooth
600 Series Input shaft Ford 26 spline 23 tooth

Input shaft for 600 series transmissions, Ford, with 26 spline & 23 tooth. Genuine OEM Tremec part.


$134.12

3550 Input Shaft Ford 10 spline

Input shaft for 3550 Ford transmissions. 10 spline, 22 tooth. Genuine OEM Tremec part.


$134.09

500 Series Input Shaft Ford 10 spline 22 tooth

Input shaft for 500 series transmissions, Ford, with 10 spline & 22 tooth. Genuine OEM Tremec part.


$135.28

3550 TKO Mainshaft 31 spline

Mainshaft for a Tremec TKO transmission. Will not fit 3550, 500 or 600's. 31 spline output.


$230.95

3550 TKO 500 600 1-2 Shift Fork
3550 TKO 500 600 1-2 Shift Fork

1-2 shift fork for all 3550 / TKO / 500 and 600 series transmissions. Genuine OEM Tremec Part.


$58.42

3550 3-4 Shift Fork
3550 3-4 Shift Fork

3-4 shift fork for 3550 transmissions. Fork does not fit  TKO, 500 or 600 series transmissions. Genuine OEM Tremec part.


$37.68

TKO 500 600 3-4 Shift Fork

3-4 shift fork for TKO, 500 and 600 series transmissions. This fork does not fit a 3550. Genuine OEM Tremec part.


$37.68

3550 TKO 500 600 Bronze Fork Pads
3550 TKO 500 600 Bronze Fork Pads

NEW!! Set of Bronze Fork Pads for 3550, TKO, 500 or 600 transmissions.


$26.50

3550 TKO 500 600 Driven Gears - Ford only
3550 TKO 500 600 Driven Gears - Ford only

Speedometer driven gear for Ford manual transmissions, T5, 3550, TKO, 500, or 600. Will also fit other Ford manual transmission applications. Please check for proper fit.

Genuine OEM Ford part.


$11.00

3550 TKO 500 600 Speedometer Drive Gear 7 tooth
3550 TKO 500 600 Speedometer Drive Gear 7 tooth

Speedometer drive gear for all 3550, TKO, 500 & 600 series with mechanical speedometer. 7 tooth yellow.


$10.50

Front Bearing Retainer with Seal Ford 3550 TKO 500 600
Front Bearing Retainer with Seal Ford 3550 TKO 500 600

Front bearing retainer for all Ford applications with 3550, TKO, 500 or 600 series.  Geniune OEM Tremec part. Seeal is included.


$48.00

Front Bearing Retainer with Seal GM 3550 TKO 500 600
Front Bearing Retainer with Seal GM 3550 TKO 500 600

Front bearing retainer for all GM applications with 3550, TKO, 500 or 600 series. Geniume OEM Tremec part. Seal is included.


$52.00

3550 Front Seal

Front seal for all 3550, TKO, 500 or 600 series.


$2.50

TransJel Transmission Assembly Lube
TransJel Transmission Assembly Lube

TransJel Assembly Lube for all automatic & manual transmissions. Lubricates and holds needle bearings & thrust washers during assembly. Remains smooth and blends with all automatic & manual transmission fluids. One pound tub.


$6.89

The Gear Box Transmissions, Inc. * Phone 734-793-0727 * Fax 734-793-0729