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Transmission Harnesses

Individual Parts

Results 1 - 25 of 660

Transmission Harness, Holley EFI, Pre-terminated, GM, 1996-2008, 4L60E, 4L80E Transmissions, Each

Part Number: SNE-558-405

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Wiring Harness, Atomic TCU, GM, 4L60E/4L65E/4L80E/4L85E/4L70E/4L75E, Each

Part Number: MSD-2770

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harness, Holley EFI, Pre-terminated, Ford, 1992-1997, AODE/4R70W Transmissions, Each

Part Number: SNE-558-471

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harness, Holley EFI, Pre-terminated, Ford, 1998+, 4R70W/4R75W Transmissions, Each

Part Number: SNE-558-470

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harnesses, for use with FiTech Ultimate EFI Fuel Injection System to add an Automatic Transmission, Chevrolet, LS, Each

Part Number: FIF-70050-5

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harness, Holley EFI, Transmission Control Harness, GM 4L60E, Plug-and-Play, Build in relay, for Dominator EFI ECU, Each

Part Number: HLY-558-455

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Automatic Transmission Wiring Harnesses, Replacement, AM General, Aston Martin, Bentley, Cadillac, Chevrolet, GMC, Hummer, Jaguar, Rolls-Royce, Each

Part Number: ATP-JE-22

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: ATP-CE-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Wiring Harness, Atomic TCU, Ford, E40D, Each

Part Number: MSD-2776

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Wiring Harness, Atomic TCU, Ford, AOD/4R70W, Each

Part Number: MSD-2773

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harnesses, Holley EFI, Control Harness, F-Body, T-56 Tranny, Plug-and-Play, VSS, Reverse Lockout, for Terminator X, Max X ECUs, Each

Part Number: HLY-558-481

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Wiring Harness, Atomic TCU, Ford, E40D, Each

Part Number: MSD-2775

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Wiring Harness, Atomic TCU, Ford, 4R100, 1998-Newer, Each

Part Number: MSD-2774

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Automatic Transmission Wiring Harnesses, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ATP-CE-9

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Transmission Harnesses, Holley EFI, Control Harness, Tremec TKX-TKO Tranny, Plug-and-Play, VSS, Reverse Lockout, for Terminator Max X ECUs, Each

Part Number: HLY-558-482

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

INSTALL KIT

Part Number: NAL-19420810

Not Yet Reviewed

Estimated Ship Date: Aug 21, 2026 if ordered today

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Estimated Ship Date: Aug 21, 2026 if ordered today

Transmission Harness, Tremec TKX, GM, Each

Part Number: BTM-7100003

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Wiring Harness, Atomic TCU, Ford, 4R70W/4R75W, Each

Part Number: MSD-2772

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harnesses, Holley EFI, Control Harness, Chrysler Transmission, 46RE, Plug-and-Play, for Terminator X Max System Only, Each

Part Number: HLY-558-473

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Automatic Transmission Wiring Harnesses, Replacement, Chevrolet, GMC, Hummer, Each

Part Number: ATP-JE-36

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Transmission Harnesses, Transmission Kickdown Harness, GM THM400, Chevrolet, Each

Part Number: AWW-CH85151

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Transmission Harness, Holley EFI, Pre-terminated, GM, 1996-2008, 4L60E, 4L80E Transmissions, Each

Part Number: MLL-BPP558405

Not Yet Reviewed

Estimated Ship Date: Jun 8, 2026 if ordered today

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Estimated Ship Date: Jun 8, 2026 if ordered today

Transmission Harness, Tremec Ford TKX, Allows You TO Change The Pulse Count Output of the Ford TKX, Provides Wiring For The Reverse Lights

Part Number: BTM-7100004

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Automatic Transmission Wiring Harnesses, Replacement, Ford, Lincoln, Mercury, Each

Part Number: ATP-LE-6

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

WIRING HARNESS

Part Number: PIO-772117

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air