Transmission Line Adapter Fittings

Take the hassle out of plumbing your transmission lines with our selection of transmission line adapter fittings. Whether you want to upgrade your OEM lines to aftermarket...

Take the hassle out of plumbing your transmission lines with our selection of transmission line adapter fittings. Whether you want to upgrade your OEM lines to aftermarket stainless steel or add a separate transmission cooler, we’ve got the transmission line adapter fittings to get the job done right. Choose from a huge variety of fitting sizes and attachment styles. We carry adapter fittings from Fragola, Derale, Russell, TCI, Be Cool, Dorman, and more. Find the right transmission line adapter fittings for your project at Summit Racing today!

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ICT Billet Transmission Line Adapters 551121-6AN

ICT Billet Transmission Line Adapters 551121-6AN

Transmission Line Adatper Fittings, Male AN O-Ring, -6 AN, Male AN, -6 AN, Aluminum, Natural, 6L80E, 6L90E, 8L90E, Each

Part Number: ICB-551121-6AN

5.0 out of 5 stars ( 1 )

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Summit Racing™ Transmission Line Adapter Fittings SUM-220571B

Transmission Line Adapter, Aluminum, Black Anodized, Male 1/4 in. NPS, Male -6 AN, Each

Part Number: SUM-220571B

1.0 out of 5 stars ( 1 )

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Bowler Performance Transmission Cooler Manifolds 2410002

Transmission Line Adapter Fitting Cooler Manifold, Aluminum, Black, Ford, 6R80E, 10R80, Each

Part Number: BTM-2410002

5.0 out of 5 stars ( 1 )

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Fragola Performance Systems Transmission Line Adapter Fittings 481670-BL

Transmission Line Adapter, Aluminum, Black, Male -6 AN, to Male 1/4 in. NPS, Each

Part Number: FRA-481670-BL

4.62 out of 5 stars ( 13 )

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Earl's Performance Transmission Cooler Line Adapters 1128ERL

Transmission Cooler Adapter, Billet Aluminum, Black Anodized, 6AN, 6L80, 6L90, 8L90E, Each

Part Number: EAR-1128ERL

5.0 out of 5 stars ( 1 )

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Sonnax Cooler Line Repair Kits 22000-01K

Transmission Line Adapter Fittings, Cooler Line Repair, Chrysler, Kit

Part Number: SOX-22000-01K

5.0 out of 5 stars ( 7 )

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Summit Racing™ Transmission Line Adapter Fittings SUM-220027

Transmission Line Adapters, Aluminum, Black, Male -6 AN to 1/4 in.-18 NPSM, Pair

Part Number: SUM-220027

4.03 out of 5 stars ( 29 )

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Bowler Performance Transmission Cooler Line Adapters 2410004

Transmission Line Adapters, Aluminum, Black, Male -6 AN to 1/4 in., Pair

Part Number: BTM-2410004

5.0 out of 5 stars ( 1 )

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ICT Billet Transmission Line Adapters AN710-06A

Transmission Line Adapter Fittings, Billet Aluminum, Natural, 1/4 in. NPS Male Threads, -6 AN Male AN, 4L60E, AOD, C5, TH350, TH400, Each

Part Number: ICB-AN710-06A

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Summit Racing™ Transmission Line Adapter Fittings SUM-220576B

Transmission Line Adapter, Aluminum, Black Anodized, Male 1/4 in. NPS 4L80E, 4L85E, Male -6 AN, Each

Part Number: SUM-220576B

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Summit Racing™ Transmission Line Adapter Fittings SUM-220572B

Transmission Line Adapter, Aluminum, Black Anodized, Male 1/8 in. NPS, Male -6 AN, Each

Part Number: SUM-220572B

4.88 out of 5 stars ( 8 )

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ICT Billet Transmission Line Adapters AN799-06A

Transmission Line Adapter Fittings, Billet Aluminum, Natural, 9/16-18 in. Male AN O-ring, -6 AN Male AN, 4L60E, 4L65E, 4L70E, 4L80E, Each

Part Number: ICB-AN799-06A

4.0 out of 5 stars ( 7 )

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Fragola Performance Systems Transmission Line Adapter Fittings 481671-BL

Transmission Line Adapter, Aluminum, Black, Male -6 AN, to Male 1/8 in. NPS, Each

Part Number: FRA-481671-BL

4.73 out of 5 stars ( 11 )

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DeWitts Transmission Cooler Adapter Fittings 32-60460

Transmission Cooler Line Adapter Fitting, Aluminum, Nickel Color, -6 AN Male AN, 3/8 in. NPT Male NPT, Each

Part Number: DWR-32-60460

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Advance Adapters Transmission Cooler Line Adapters 23-2001

Transmission Cooler Adapter -6AN Male to 1/2-20 in. Male Inverted Flare, Each

Part Number: ADD-23-2001

4.33 out of 5 stars ( 6 )

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DeWitts Transmission Cooler Adapter Fittings 32-4800

Transmission Cooler Adapter -6AN Male to 1/2-20 in. Male Inverted Flare, Each

Part Number: DWR-32-4800

Not Yet Reviewed

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Earl's Performance Transmission Cooler Line Adapters 961982ERL

Transmission Line Adapter Fittings, Transmission Cooler Line Adapters, Steel, Nickel Plated, 9/16-18 in. Male AN O-ring, -6 AN Male AN, Each

Part Number: EAR-961982ERL

4.71 out of 5 stars ( 7 )

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Derale Transmission Line Fittings 13031

Transmission Line Fitting, Brass, Natural, 3/8 in. Hose Barb, 5/16 in. Compression, Each

Part Number: DER-13031

4.18 out of 5 stars ( 17 )

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Derale Transmission Line Fittings 13033

Transmission Line Fitting, Brass, Natural, 1/2 in. Hose Barb, 1/2 in. Compression, Each

Part Number: DER-13033

2.33 out of 5 stars ( 3 )

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ICT Billet Transmission Line Adapters 551121-8AN

Transmission Line Adatper Fittings, Male AN O-Ring, -6 AN, Male AN, -8 AN, Aluminum, Natural, 6L80E, 6L90E, 8L90E, Each

Part Number: ICB-551121-8AN

5.0 out of 5 stars ( 1 )

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Derale Transmission Line Fittings 13035

Fitting, Transmission Line Adapter, Aluminum, Black, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Isuzu, Each

Part Number: DER-13035

4.2 out of 5 stars ( 5 )

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Derale Transmission Line Fittings 13032

Transmission Line Fitting, Brass, Natural, 3/8 in. Hose Barb, 3/8 in. Compression, Each

Part Number: DER-13032

3.29 out of 5 stars ( 7 )

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Scott Drake Transmission Oil Cooler Fittings for 1967-1973 MUSTANG - MOCF01

Transmission Oil Cooler Fittings, Brass, Natural, Ford, Pair

Part Number: SDK-MOCF01

5.0 out of 5 stars ( 5 )

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ATI Transmission Cooler Line Fittings ATI925137

Fitting, Transmission Line into Case Adapter, -6 AN Male to 1/4 in. NPSM Male, Aluminum, Black Anodized, Pair

Part Number: ATI-925137

5.0 out of 5 stars ( 6 )

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Earl's Performance Transmission Cooler Line Adapters 961983ERL

Transmission Adapter Fitting Rear Port, 2009-up 4L70E, 4L80E, 4L85E, 6AN Flare 6 AN 9/16-18, Each

Part Number: EAR-961983ERL

5.0 out of 5 stars ( 2 )

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