





🔥 Upgrade your engine’s heartbeat with PQY’s precision coolant crossover!
The PQY Heater Core Crossover Coolant Hose is a high-quality silicone hose designed for 98-up LS and LT Gen 3-5 engines. Featuring a 5/8" and 3/4" end size, it includes two stainless steel clamps for secure installation. This hose serves as a direct replacement for failed heater core hoses, ensuring reliable coolant flow and engine temperature regulation. With a 4.8-star rating from over 280 reviews, it’s a trusted upgrade for performance-minded professionals.








| ASIN | B09LV2KH1H |
| Brand | PQY |
| Colour | Black |
| Connector Type | Cross |
| Customer Reviews | 4.8 out of 5 stars 282 Reviews |
| Exterior Finish | Stainless Steel |
| Item Weight | 45 g |
| Manufacturer | PQY |
| Material | Rubber |
| Model Number | 551699 |
| Number of Pieces | 1 |
| Size | 0.75 Inch |
| Thread Size | 0.75 inch |
| Thread Type | NPT |
| UPC | 784136203275 |
| Unit Count | 1.0 Count |
K**R
Fits Well
J**Y
Works great for my mustang
J**H
Works perfect
T**D
Heater hose bypass
J**F
It will get you out of a jam if you blow a heater hose. Handy to have.
Trustpilot
2 months ago
2 days ago