GM OEM Engine Coolant Tee – Genuine GMC Part 15055343 (Replaces 800-413, 730-5658)

Sometimes the smallest parts make the biggest difference.

This GM OEM tee is a genuine factory part, designed to keep your engine’s coolant system flowing right.

It’s the direct replacement for part numbers 15055343, 800-413, and 730-5658, so you know it’s gonna fit like it should.

Whether you’re doing a full cooling system refresh or just patching up a leak, this little guy does the job.

Made to GM specs, it’s tough, reliable, and ready to handle the heat.

Brand new, still in the packaging, and backed by a 1-year warranty.

No fuss, no hassle—just a solid OEM part from Mid Valley.

Don’t risk it with cheap plastic knock-offs that crack after a season.

Stick with genuine GM and drive with confidence.