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Transmission line part #s?

Transmission line part #s?

Postby 07RKC [OP] » May 22 2020, 6:15pm

A transmission cooler line started leaking so I want to replace all three of them. I can only find two part number though. It is a 2013 Silverado LS 4.8 with code M30 4 speed and code KNP heavy duty trans cooling system.

The transmission cooler lines appear to be 25999415 and 15779543. One runs from the transmission to the cooler and the other from the cooler to the radiator.

What I can't seem to find is the part number for the line that runs from the radiator to the transmission. Does anyone know what it is or where I can look it up? Thanks for any replies.
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07RKC
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Re: Transmission line part #s?

Postby jjs405 » May 22 2020, 6:36pm

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Combustion on 1 piston [L2]
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Re: Transmission line part #s?

Postby 07RKC [OP] » May 22 2020, 7:41pm

I found Cannot find a 2009 4spd trans cooler line - any advice?. It looks like the number is 22802047.
Original Poster
07RKC
Firing on 1 cylinder [L1]
Firing on 1 cylinder [L1]
Posts: 15
Topics: 3
Joined: Aug 19 2019, 6:17pm
Year: 2013
Make/Model: Chevrolet Silverado
Extra Info: 13 Silverado WT 4.8
Group Membership:
Registered users

Re: Transmission line part #s?

Postby jjs405 » May 25 2020, 11:24pm

Maybe call/e-mail GM Parts Direct & ask for the correct part #. I have done this in the past & they are fairly quick to reply to the part # request.
User avatar
jjs405
Combustion on 1 piston [L2]
Combustion on 1 piston [L2]
Posts: 142
Topics: 7
Images: 0
Joined: Mar 18 2015, 5:30pm
Years of membership: 5 years of membership5 years of membership5 years of membership5 years of membership5 years of membership
Year: 2014
Make/Model: Chevrolet Silverado
Group Membership:
Registered users

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Transmission/DrivetrainTransmission and drivetrain related components. Discuss automatic and manual trans repairs and performance or talk about driveshafts or rear-ends and differentials. Diagnostics of 4-speed, 5-speed, or even 6-speed transmissions.
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