Transmission Line Adapter Fittings

Transmission Line Adapter, Brass, Male 5/8 in.-18 Inverted Flare, Pair

Part Number: HDA-390

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Fitting, Transmission Line Adapter, 1/4 in. NPS Male Threads, 5/8-18 in. Inverted Flare, Buick, Chevy, Each

Part Number: RNB-800-754

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Trans. Line Connector, Brass, Each

Part Number: RNB-800-605

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Transmission Line Adapters, Aluminum, Black Anodized, 5/8 in. Inverted Flare to Male Hose Barb, Fittings, Pair

Part Number: DER-13018

1.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Transmission Line Fittings, Brass, Natural, 3/8 in. Hose Barb, 5/8 in.-18 Inverted Flare, Pair

Part Number: DER-13025

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Fitting, Transmission Cooler Line Connector, 1/4 in. NPT Male Threads, 5/8-18 in. Male Inverted Flare, Dodge

Part Number: RNB-800-713

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026