STM Throttle Body Shaft Seals for DSM/Evo/3S

STM Tuned Inc.

$24.95 
STM-TB-SEALS

Quantity: 



We price match!

When these seals wear out, they can cause leaks, sticking, and jamming of the throttle plate. We tested a car on our dyno at STM with leaky seals and when the seals were replaced, we picked up 20 whp and 20 ft pounds! Nasty boost leak! Sold as the pair of seals and OEM throttle body gaskets are available in the purchase menu.

Vehicle Fitment:
1991-1994 1G DSM
1995-1999 2G DSM
Evolution VIII-IX
1991-1999 3000GT & Stealth
* Does NOT fit 1990 DSM *

Includes:
Pair of Throttle Body Shaft Seals
(Optional) OEM Mitsubishi Throttle Body Gaskets

1G Notes:
These do not fit 1990 DSM. They have one side that uses a smaller seal.

2G Notes:
The OEM 2G throttle body gasket MD302262 has been discontinued, so we are unable to offer the full kit.
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Customer Reviews

Based on 34 reviews
97%
(33)
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3%
(1)
S
Seth

Worked perfectly

G
Gio Rico (Ontario, CA, US)
Works great on 2001 Montero XLS

It's probably overkill for my 2001 Montero but I got these to fix a leaking throttle body shaft. Press fit but works great. There's a video on YouTube of how to install the using a M10 threaded rod and two nuts since it's a press fit.

E
Elfego (Bellwood, IL, US)
E5

Works on Evo 5 TB!

G
GEORGE FURLONG JR (Houston, TX, US)
TB Seals

Wrong seals. Recommended by others. I needed TB shaft seals for 2002 Montero 4WD 3.5l

E
Eswick Sullivan (St John's, 04, AG)

STM Throttle Body Shaft Seals for DSM/Evo/3S


WARNING:
Cancer and Reproductive Harm
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