Western Star

Maintain the strength and reliability of your Western Star truck cooling system with high-quality stainless steel coolant tubes from American Radiator. Engineered for long service life, these replacement coolant tubes deliver superior corrosion resistance and performance in high-temperature, high-vibration conditions common to heavy-duty applications.

Our Western Star coolant tubes are precision-fit replacements for popular models like the Western Star 4900, 5700, and 6900. Built from heavy-gauge stainless steel, each tube resists pitting, rust, and electrolysis far better than standard aluminum or mild steel components. Designed for a direct factory fit, installation is fast and seamless with OEM-quality bends, flanges, and connections.

While American Radiator does not manufacture these tubes, we proudly supply only the most durable aftermarket parts backed by expert product support and fast nationwide shipping. Pair your new stainless coolant tubes with our complete line of Western Star radiators, charge air coolers, and surge tanks for optimal engine cooling and long-term dependability.

Choose American Radiator—your trusted source for Western Star stainless coolant tubes engineered for performance, reliability, and unmatched durability.

FAQ'S

What are stainless coolant tubes and why use them in Western Star trucks?
Stainless coolant tubes are rigid metal lines that replace flexible hoses in your cooling system. In Western Star trucks, they offer superior resistance to corrosion, heat, and vibration—providing longer-term durability in hard-working environments.

Are your stainless coolant tubes compatible with Western Star models?
Yes. Our tubes are engineered to mirror the bends, diameters, and connection types used on many Western Star cooling systems, making many units drop-in replacements without modification.

How do I choose the correct stainless coolant tube for my Western Star?
Measure key specs like overall length, bend angles, inside diameter, and end-fitting style. Having the original tube’s dimensions or the OEM part number can help match the correct replacement quickly.

What can cause a stainless coolant tube to leak or fail?
Leaks tend to occur at connections when clamps loosen, or when sealing surfaces are compromised. Damage can also come from too-tight bending, abrasion, or physical impact—so careful installation is essential.

Do stainless coolant tubes require special maintenance?
No special routine is needed. Periodic inspections for secure clamps, signs of abrasion or mounting wear, and verifying that connections remain tight are typically sufficient to maintain reliable performance.