Updates

GM Heater Hose Fittings: Assembly-Line Speed, D...

Bump the wrong heater hose on a 2003 Silverado and the fitting snaps before the hose moves. That fitting is glass-filled nylon, built to click together fast on an assembly...

Are there eco-friendly alternatives to traditio...

Yes. The realistic eco-friendly choices are longer-lasting materials and protective systems. Biodegradable rubber blends can't survive coolant, oil mist, ozone, and repeated heat cycles. What works is a hose or...

Why Heater Hose Connectors Fail Before the Hose...

The failure point on most heater hose systems is the connector, even when the hose looks fine. The short barbed fitting or plastic quick-disconnect where rubber meets the heater core,...

How to identify a counterfeit branded hose?

Counterfeit hoses fail in ways that matter. A fake branded hose can look correct in a listing photo, carry the right color and logo, and still split under boost or...

The Silverado Heater Hose Connector: Assembly L...

Coolant drips onto the passenger frame rail. Steam curls off the back of the block. You pop the hood on a GMT800 Silverado and the smell hits you first. That...

What is the proper clamp spacing for a long hos...

Short answer: support a low-pressure rubber hose every 12 to 18 inches on a straight run, and within 4 to 6 inches of any fitting. For long coolant runs, large...