Midwest Transmission Center

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T45 Ford Mustang Manual Transmission

Midwest Transmission Center is an Automotive Parts Rebuilder and Re-
manufacturer can help you with your T45 Manual Transmission

Below you will find a detailed list that includes complete T45 rebuilt transmissions, plus a full line or repair parts including: bearing rebuild kits with and without synchro rings, seals and bushings, individual bearings, synchro rings, forks, gears and shafts. If you need more information or cannot find the parts you need give us a call, if you would liketo save money, ask about our good take out parts (GTO), they are inspected and guaranteed.

If you need more information or cannot find the parts you need give us a call 888-824-2012

Having issues diagnosing problems with your T45 manual transmission?

We can help we have a large inventory of rebuilt T45 Manual Transmissions plus transmission parts. Our factory rebuilt re-manufactured T45 transmissions are dyno tested before leaving the factory, ensuring the highest quality, We offer a no hassle 12 month warranty, performance guaranteed.

Midwest transmission has been in the automotive re-manufacturing and rebuilding business for 19 years, and shipping completed units world wide. To improve quality Midwest was one of the first companies that included dyno testing of manual transmission prior to shipping as a final step in the quality control process. We specialize in manual transmissions, automatic transmission and transfer cases. We can help with improving performance and conversions. Our 22 employees shipped over 9000 units last year. Guaranteed quality and correct parts supplied. You can see the complete line of products that we offer at www.midwesttrans.com.

The Correct T45 Manual Transmission Quality Parts the First Time!

T45 issues have been reported from a number of different sources indicating that transmission has design issues. Ford has release a Technical Service bulletin (TBS) for reverse issues. The TSB calls for replacing the current fork with on of the 3 forks available based on measurements of the current fork and its travel. Engagement of reverse isn’t synchronized the transmission has a tendency to grind when shifted into reverse, the T45 transmission could possibly get stuck in reverse or commonly pops our of gear. It has been reported that the transmission is not smooth shifting going into 2nd and 3rd, typically and issue with the fork.

Take Advantage of Our Expertise!

The T45 5 speed manual transmission was engineered and manufactured by Borg Warner for the Mustang and Mustang Cobra. The transmission are installed behind the 4.6L engine and there are differences between the Mustang and the Cobra transmission mostly dealing with the transmission mount/cross-member and speedo gears. The Mustang T45 in the GT has an 8 tooth speedo gear, and the Cobra uses a 7 tooth gear. The unit is identified by the casting number starting with 1381-XXX-XXX, The T45 is rated at 325 ft lbs of input torque and has an aluminum case, bell housing and tail-housing.

Select this link to see what models that used this 5 Speed transmission.

Free T45 Manual Transmission 5 Speed Parts Illustration

Below we provide a T45 parts illustrations (2 pages) to assist you with the correct identification of the parts you need. Select the partsyou require from the following list and give us a call.

Need Stronger Parts?

Midwest Transmission can Cryogenic Treat any shaft or gear. This cryo treatment will add 30% in component strength. Call 888-824-2012 for a quote.

Applications Model Years
Ford Mustang 4.6 L
1996-1997
Ford Mustang 4.6 L
1998-1999

Use our online shopping cart, just double click the part number and see additional information, add to cart or proceed to check out.

Rebuilt Dyno Tested T45 Transmissions 12 month warranty

Description Part #
96-UP 4.6L MUSTANG
MTFRD032
96-98 4.6L MUSTANG COBRA
MTFRD090
99-2001 MUSTANG 4.6l
MTFRD096

Rebuilt Overhaul Bearing Kits T45 Transmission

Description Part #
Bearing Rebuild Kit T45 (96-97)
MWT-250
Bearing Rebuild Kit T45 4.6L Mustang with Syncro Rings (96-97) MWT-250WS
Bearing Rebuild Kit T45 (98-01)
BK250AWS

Seal Kits and Bushing Parts T45 Transmission

DWG # Description Part #
89
Front Seal 100254
69
Rear Seal MWT1695C
59
Bushing Extension Housing (1.820″ OD)
MWT6023A

Bearings T-45 Transmission

DWG # Description Part #
112
Main Shaft Bearing Cone (Rear)
MWT25572
112
Main Shaft Bearing Cup (Rear)
MWT25520
92
Input Bearing Cone
M88010
91
Input Bearing Cup
M88048
124
Counter Shaft Bearing (Front & Center)
K6
132 Counter Shaft Bearing (Rear)
MWTF92214.3
93
Input Pocket Bearing
K1
121
Rear Extension Bearing
6207N

Bearings T-45 Transmission

DWG # Description Part #
Syncro Ring Kit
MWTRKT45
80
1-2 Synchro Assembly w/outer rings only
MWTTNKT1873
106
1-2 Synchro (Inner)
MWT1386-525-006
99
1-2 Synchro Key & Spring Kit
T56-K1
2.5
3-4 Synchro Assembly w/outer rings only
MWTTNKT1873
99
3-4 Synchro Key & Spring Kit
346703A-2K
40
5th-Reverse Synchro Assembly
MWT1381-590-001
95
5th-Reverse Synchro
MWT1352-591-003
99
5th-Reverse Synchro Key & Spring Kit
346703A-2K
99
5th-Reverse Synchro Key & Spring Kit
346703A-2K
114
Reverse Main Shaft Synchro Assembly
1381-590-002

Shift Forks and Rails T45 Transmission

DWG # Description Part #
23
1-2 Fork
1381-596-001
23A
3-4 Fork
1381-596-002
23B
5th-Reverse Fork, Short Throw (Green Stripe)
386846B
23B
5th-Reverse Fork, Medium Throw (Gold Stripe)
MWT1381-596-003
23B
5th-Reverse Fork, Long Throw (Blue Stripe)

Shift Forks and Rails T45 Transmission

DWG # Description Part #
12
1st Gear (37 T)
1381-081-001
21
2nd Gear (35 T)
1381-082-001
11
3rd Gear (32 T)
1381-083-001
19
5th Gear Counter Shaft
1381-086-001
18
5th Gear Main Shaft (31 T)
1381-070-001
36
Reverse Main Shaft Gear
1381-088-001
128
Reverse Counter Shaft Gear (14 T)
1381-088-002

Input, Main & Counter Shafts T45 Transmission

DWG # Description Part #
8
Cluster Shaft
1381-077-001
6
Input Quill Stub
1386-034-006
16
Input Shaft
MWT1381-085-0881
2
Main Shaft
1381-171-001

Click Images to enlarge and shrink

Minimum order $25.00, Shipping and handling charges will be added.