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3/8" x 25 | Transmission Repair Hose
3/8" x 25 | Transmission Repair Hose
Transmission Repair

3/8" x 25' | Transmission Repair Hose

SKU: LTTRC625

$36.99

3/8″ × 25′ Transmission Repair Hose

Get your transmission running cool again with the 4LifetimeLines® 3/8″ × 25′ Transmission Repair Hose. Designed for automatic transmission fluid (ATF) applications, this hose handles extreme temperatures and pressures, making it perfect for radiator cooler loops, oil-to-air coolers, and custom plumbing on cars, trucks, and performance builds.

Engineered for Durability

Built from a premium synthetic rubber compound, this hose resists swelling, cracking, and kinking from –40 °F up to 275 °F. Its reinforced crush-resistant layer keeps the tube from collapsing when clamped or bent, while the smooth inner bore ensures unrestricted ATF flow and consistent cooling performance.

DIY-Friendly Length & Compatibility

With a full 25-foot coil, you have ample hose to replace both supply and return cooler lines without splicing. The 3/8″ inner diameter matches OEM fittings and aftermarket unions—simply slip on barbed adapters, secure with stainless-steel clamps, and restore leak-free operation on the spot.

Installation & Use

Cut the hose squarely using a fine-tooth blade or hose cutter, install your fittings, and clamp to the transmission cooler or radiator ports. Route away from sharp edges and exhaust heat for long-lasting performance. Because it’s formulated to resist ATF additives, you’ll avoid premature hose failure and keep your transmission running at the right temperature.


Ready to fix that transmission cooler leak? Add the 3/8″ × 25′ Transmission Repair Hose to your cart now and get back on the road with confidence.

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Free Delivery

For all US orders over $75

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