In Stock
- In Stock Items, Including at a Supplier. Ships In a Few Days. (67) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (91) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Part Type
- Fluid Cooler Lines (65) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Automotive Fuel Lines (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
In Stock

Selected Filters

Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (67) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (91) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Part Type
- Fluid Cooler Lines (65) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Automotive Fuel Lines (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine

Fine Lines Transmission Cooler Lines

3.0 out of 5 stars 3 Customer Reviews

If your transmission lines have a leak, then there will be plenty of tell-tale signs: overheating, a visible fluid leak, or even problems shifting gears, any of whi

If your transmission lines have a leak, then there will be plenty of tell-tale signs: overheating, a visible fluid leak, or even problems shifting gears, any of which will keep your vehicle off the road. You can restore your ride with Fine Lines transmission cooler lines.

Connecting your transmission to your radiator, Fine Lines replacement cooler lines are made from high-quality, long-lasting stainless steel tubing that's more resistant to leaks, keeping you on the road for miles and miles to come. They offer transmission cooler lines for trucks, classic cars, and more. Choose the lines designed for your vehicle.

Showing In Stock Items. Show All 91 Items.

Results 1 - 25 of 67

Fine Lines Transmission Cooler Lines TTC6803SS

Fluid Cooler Lines, Transmission Cooler Lines, Stainless Steel, RWD, Chevy, GMC, Pair

Part Number: FNL-TTC6803SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines XTC6803SS

68-69 Nova Transmission Line

Part Number: FNL-XTC6803SS

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 6, 2026 if ordered today

Fine Lines Transmission Cooler Lines XTC6211SS

62-67 Nova Transmission Line

Part Number: FNL-XTC6211SS

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 6, 2026 if ordered today

Fine Lines Transmission Cooler Lines for 1964-1965 MUSTANG - ZTC6402SS

Fluid Cooler Lines, Transmission Cooler Lines, Stainless Steel, Ford, Pair

Part Number: FNL-ZTC6402SS

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 6, 2026 if ordered today

Fine Lines Transmission Cooler Lines RTC6602OM

66-70 Mopar B-Body Transmission Line

Part Number: FNL-RTC6602OM

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 6, 2026 if ordered today

Fine Lines Transmission Cooler Lines RTC6601SS

Fluid Cooler Lines, Transmission Cooler Lines, Stainless Steel, A727, Mopar, Pair

Part Number: FNL-RTC6601SS

Not Yet Reviewed

Estimated Ship Date: Jan 6, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 6, 2026 if ordered today

Fine Lines Transmission Cooler Lines MTC8201SS

82-88 Monte Carlo / El Camino Transmission Line

Part Number: FNL-MTC8201SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines ETC7002SS

70-74 Mopar E-Body Transmission Line

Part Number: FNL-ETC7002SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines FTC8803OM

88-91 Camaro / Firebird Transmission Line

Part Number: FNL-FTC8803OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines ZTC6401OM

64-65 Mustang Transmission Line

Part Number: FNL-ZTC6401OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines ZTC6401SS

64-65 Mustang Transmission Line

Part Number: FNL-ZTC6401SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines ZTC6402OM

64-65 Mustang / Falcon / Comet Transmission Line

Part Number: FNL-ZTC6402OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines ZTC6701OM

67-70 Mustang Transmission Line

Part Number: FNL-ZTC6701OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines ZTC6701SS

67-70 Mustang Transmission Line

Part Number: FNL-ZTC6701SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines BTC6705OM

67-68 Bel Air / Biscayne / Impala Transmission Line

Part Number: FNL-BTC6705OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines for 1958-1964 IMPALA - BTC6111OM

Fluid Cooler Lines, Transmission Cooler Lines, Steel, TH350, TH400, Chevy, Pair

Part Number: FNL-BTC6111OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines BTC6501OM

65-66 Bel Air / Biscayne / Impala Transmission Line

Part Number: FNL-BTC6501OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines BTC6501SS

65-66 Bel Air / Biscayne / Impala Transmission Line

Part Number: FNL-BTC6501SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines BTC6503SS

65-66 Bel Air / Biscayne / Impala Transmission Line

Part Number: FNL-BTC6503SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines STC5601OM

56-57 Thunderbird Transmission Line

Part Number: FNL-STC5601OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines STC5601SS

56-57 Thunderbird Transmission Line

Part Number: FNL-STC5601SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines STC5602SS

56-57 Thunderbird Transmission Line

Part Number: FNL-STC5602SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines STC6101OM

61 Thunderbird Transmission Line

Part Number: FNL-STC6101OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines STC6101SS

61 Thunderbird Transmission Line

Part Number: FNL-STC6101SS

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Fine Lines Transmission Cooler Lines LTC6401OM

63-64 Falcon / Comet Transmission Line

Part Number: FNL-LTC6401OM

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 5, 2026 if ordered today

Page 1 of 3
Next