Automatic Transmission Vacuum Lines

Replace your rusted or worn automatic transmission vacuum lines with something better. Our selection of steel and stainless steel lines from Classic Tube and Right Stuff...

Replace your rusted or worn automatic transmission vacuum lines with something better. Our selection of steel and stainless steel lines from Classic Tube and Right Stuff Detailing are made to last—even in the harshest environments. Using state-of-the-art tubing benders, the lines are pre-bent like the original factory lines to simplify installation. Just choose your application for a custom fit! We carry transmission vacuum lines for GM Powerglide, TH350, TH400; Ford C-4, C-6, Fordomatic; Chrysler Torqueflite 727, and many others. Start your automatic transmission vacuum line replacement now at Summit Racing!

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Classic Tube Automatic Transmission Modulator Lines CTM1002-SS

Automatic Transmission Modulator Line, Stainless Steel, Chevy, GMC, TH350, Each

Part Number: CST-CTM1002-SS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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The Right Stuff Automatic Transmission Vacuum Lines CTV6903

The Right Stuff Automatic Transmission Vacuum Lines CTV6903

Automatic Transmission Vacuum Line, Steel, TH350, Chevy, Each

Part Number: RSD-CTV6903

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Today

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The Right Stuff Automatic Transmission Vacuum Lines for 1978-1981 CAMARO, EL CAMINO, MALIBU - FTV7801

Automatic Transmission Vacuum Line, Steel, TH350, Chevy, Each

Part Number: RSD-FTV7801

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Classic Tube Automatic Transmission Modulator Lines for 1967-1972 CHEVELLE, EL CAMINO - CEM1001-OE

Automatic Transmission Modulator Line, Steel, Chevy, TH400, Each

Part Number: CST-CEM1001-OE

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Classic Tube Automatic Transmission Modulator Lines for 1965-1966 MUSTANG - MUM1003-OE

Automatic Transmission Vacuum Line, Modualtor, 1/4 in. O.D., Fits Models with Factory Equipped V8 Engines Only, Steel, Ford, C4, Each

Part Number: CST-MUM1003-OE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Classic Tube Automatic Transmission Modulator Lines for 1967-1972 CHEVELLE, EL CAMINO - CEM1002-OE

Automatic Transmission Modulator Line, Steel, Chevy, Powerglide, TH350, Each

Part Number: CST-CEM1002-OE

Not Yet Reviewed

Estimated Ship Date: Today

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Classic Tube Automatic Transmission Modulator Lines for 1967-1970 MUSTANG - MUM1006-OE

Transmission Modulator Line, Steel, Ford, C-6, Fits Models with Factory Equipped V8 Engines Only, Each

Part Number: CST-MUM1006-OE

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Classic Tube Automatic Transmission Modulator Lines for 1967-1972 CHEVELLE, EL CAMINO - CEM1001-SS

Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each

Part Number: CST-CEM1001-SS

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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The Right Stuff Automatic Transmission Vacuum Lines for 1967-1969 CAMARO, 1970 NOVA - FTV6903

Vacuum Line, Right Side Modulator, Each

Part Number: RSD-FTV6903

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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The Right Stuff Automatic Transmission Vacuum Lines for 1970-1972 CHEVELLE, EL CAMINO - CTV7101

Automatic Transmission Vacuum Line, Steel, TH400, Chevy, Each

Part Number: RSD-CTV7101

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Classic Tube Automatic Transmission Modulator Lines for 1967-1969 MUSTANG - MUM1005-OE

Transmission Modulator Line, Steel, Ford, C-4, Fits Models with Factory Equipped V8 Engines Only, Each

Part Number: CST-MUM1005-OE

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1984 K20, K20 SUBURBAN - CTM1004-SS

Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each

Part Number: CST-CTM1004-SS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1964-1965 MUSTANG - MUM1002-OE

Transmission Modulator Line, Steel, Ford, C-4, Fits Models with Factory Equipped 289 Engines Only, Each

Part Number: CST-MUM1002-OE

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1967-1969 CAMARO - CAM1002-SS

Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH400, Each

Part Number: CST-CAM1002-SS

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1967-1969 CAMARO - CAM1002-OE

Automatic Transmission Modulator Line, Steel, Chevy, TH400, Each

Part Number: CST-CAM1002-OE

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines CAM1003-SS

Automatic Transmission Modulator Line, Stainless Steel, Chevy, TH350, Right Side Modulator Only, Each

Part Number: CST-CAM1003-SS

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1967-1969 MUSTANG - MUM1005-SS

Transmission Modulator Line, Stainless, Ford, C-4, Fits Models with Factory Equipped V8 Engines Only, Each

Part Number: CST-MUM1005-SS

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1967-1970 MUSTANG - MUM1006-SS

Transmission Modulator Line, Stainless, Ford, C-6, Fits Models with Factory Equipped V8 Engines Only, Each

Part Number: CST-MUM1006-SS

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1973 CAMARO - CAM1006-OE

Automatic Transmission Modulator Line, Steel, Chevy, TH400, Fits Models with Factory Equipped 350 Engine Only

Part Number: CST-CAM1006-OE

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1971-1973 MUSTANG - MUM1008-SS

Transmission Modulator Line, Stainless, Ford, C-6, Fits Models with Factory Equipped V8 Engines Only, Each

Part Number: CST-MUM1008-SS

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1971 MUSTANG - MUM1014-OE

Transmission Modulator Line, Steel, Ford, C-6, Fits Models with Factory Equipped 429 Engines Only, Each

Part Number: CST-MUM1014-OE

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Vacuum Lines MUM1011-SS

Transmission Modulator Line- Stainless Steel

Part Number: CST-MUM1011-SS

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Classic Tube Automatic Transmission Modulator Lines CAM1003-OE

Automatic Transmission Modulator Line, Steel, Chevy, TH350, Right Side Modulator Only, Each

Part Number: CST-CAM1003-OE

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines CVM1004-SS

Transmission Modulator Line, Stainless, Chevy, TH350, Fits Models with Factory Equipped 350 Engines Only, Each

Part Number: CST-CVM1004-SS

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Classic Tube Automatic Transmission Modulator Lines for 1973 MUSTANG - MUM1015-OE

Transmission Modulator Line, Steel, Ford, C-6, Models with Factory Equipped 351 4-barrel Carb Engines Only

Part Number: CST-MUM1015-OE

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

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