Availability
Transmission Cooler Lines
Keep your automatic transmission running cool and reliable with high-quality transmission cooler lines. Whether you’re replacing worn factory lines or upgrading for...
Keep your automatic transmission running cool and reliable with high-quality transmission cooler lines. Whether you’re replacing worn factory lines or upgrading for better flow and durability, the right cooler lines help prevent overheating, fluid breakdown, and costly transmission damage.
Available from brands like Classic Tube, Dorman, Sunsong, The Right Stuff, and more, our selection includes flexible transmission cooler lines, braided transmission cooler lines, and pre-bent transmission cooler lines designed for most popular transmissions. These lines deliver consistent fluid circulation between the transmission and...
Keep your automatic transmission running cool and reliable with high-quality transmission cooler lines. Whether you’re replacing worn factory lines or upgrading for better flow and durability, the right cooler lines help prevent overheating, fluid breakdown, and costly transmission damage.
Available from brands like Classic Tube, Dorman, Sunsong, The Right Stuff, and more, our selection includes flexible transmission cooler lines, braided transmission cooler lines, and pre-bent transmission cooler lines designed for most popular transmissions. These lines deliver consistent fluid circulation between the transmission and cooler for optimal temperature control under daily driving, towing, or performance use.
Flexible Transmission Cooler Lines
Flexible transmission cooler lines offer easy routing and installation in tight engine bays. Made from durable materials that resist heat, abrasion, and pressure, they provide a reliable, leak-resistant connection while allowing for engine movement and vibration.
Braided Transmission Cooler Lines
For maximum strength and protection, braided transmission cooler lines feature a tough outer braid (typically made from stainless steel or nylon) that guards against abrasion, heat, and external damage. These lines are ideal for high-performance builds, heavy-duty applications, or vehicles that see extreme conditions.
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Automatic Transmission Cooler Lines, 5 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair
Part Number: SUM-230322
Estimated Ship Date: Today
Estimated Ship Date: Today
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Automatic Transmission Cooler Lines, 7 Foot Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair
Part Number: SUM-230321
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, 7 Ft. Length, Flexible, Braided Stainless Steel, PTFE, 4L60, 700R4, TH350, TH400, Pair
Part Number: SUM-230320
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, Flexible, Stainless Steel, 700R4, TH350, TH400, Pair
Part Number: ADD-23-1501-60
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Cooler Lines, -6 AN, 1/4 in. NPSM, Hose Ends, Kit
Part Number: FTI-F12001
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, 5 Foot Length, Flexible, Braided Stainless Steel, PTFE, 700R4, TH350, TH400, Pair
Part Number: SUM-230323
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, 7 Ft. Length, Black, Braided Nylon, PTFE, 4L60, 700R4, TH350, TH400, Pair
Part Number: SUM-230320-BN
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, Rubber, Chevy, GMC, 6.6L Diesel, Allison 1000, Kit
Part Number: FLE-FPETLLBZLMM
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, 5 Foot Length, Black, Braided Nylon, PTFE, 4L60, 700R4, TH350, TH400, Pair
Part Number: SUM-230322-BN
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, Flexible, Stainless Steel, 700R4, TH350, TH400, Pair
Part Number: ADD-23-1501
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, 5 Foot Length, Flexible, Braided Stainless Steel, Black, PTFE, 4L60, 700R4, TH350, TH400, Pair
Part Number: SUM-230322-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Fluid Cooler Lines, Transmission Cooler Lines, Rubber, Chevy, GMC, Kit
Part Number: FLE-FPETLLB7LLY
Estimated Ship Date: Today
Estimated Ship Date: Today
Fluid Cooler Lines, Automatic Transmission Cooler Lines, Steel/Rubber, 6L80-E, Cadillac, Chevrolet, GMC, Each
Part Number: ADO-85585332
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, Stainless Steel, Jeep, 32RH, Kit
Part Number: FNL-WTC9709SS
Estimated Ship Date: Today
Estimated Ship Date: Today
Fluid Cooler Lines, Automatic Transmission Oil, 1/2 in.-20 Threaded Fittings, OE Steel, Chevy, GMC, L6, V8, Sold as a Set
Part Number: RSD-TTC7503
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, 5 Foot Length, Flexible, Braided Stainless Steel, Black, PTFE, 700R4, TH350, TH400, Pair
Part Number: SUM-230323-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Tube, Trans/Oil Cooler, Steel, Natural, Dodge, Truck, Each
Part Number: MOP-52028732AC
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Lines, Automatic, Universal, 5/16 in. Inverted Flare 1/2-20 Thread, Kit
Part Number: SUM-338045
Estimated Ship Date: Today
Estimated Ship Date: Today
Transmission Cooler Lines, Stainless Steel, Ford, Lower, Upper, Kit
Part Number: GOS-231104
Estimated Ship Date: Nov 16, 2026 if shipped by air
Estimated Ship Date: Nov 16, 2026 if shipped by air
Fluid Cooler Lines, Pre-Bent OE Style, for THM350/TH350 Transmission, Steel, Chevy, L6, Small Block, Big Block, Set
Part Number: RSD-FTC6703
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, Flexible, Stainless Steel, 4L60, 700R4, TH350, TH400, Pair
Part Number: ADD-23-1500
Estimated Ship Date: Today
Estimated Ship Date: Today
Fluid Cooler Lines, Automatic Transmission Cooler Lines, Supply and Return, Steel/Rubber, 42RLE, Dodge, Jeep, Pair
Part Number: CWA-55037841AK
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Lines, Steel, Set
Part Number: RSD-TTC6803
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Line, Steel, Chrysler, Dodge, Plymouth, Torqueflite 727, Set
Part Number: RSD-RTC6602
Estimated Ship Date: Today
Estimated Ship Date: Today
Automatic Transmission Cooler Line, Each
Part Number: ADO-25999420
Estimated Ship Date: Dec 8, 2026
Estimated Ship Date: Dec 8, 2026
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