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🔥 Upgrade your ride’s heat game with PQY’s precision crossover hose!
The PQY Heater Core Crossover Coolant Bypass Hose is a high-quality silicone rubber hose designed for 1998 and newer LS/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 heating. With a 4.8-star rating and durable construction, it’s a trusted choice for automotive enthusiasts seeking performance and longevity.




| ASIN | B09LV2KH1H |
| Best Sellers Rank | #20,423 in Automotive ( See Top 100 in Automotive ) #12 in Automotive Replacement Heater Hoses |
| Brand Name | PQY |
| Color | Black |
| Connector Type | Cross |
| Customer Reviews | 4.6 4.6 out of 5 stars (381) |
| Exterior Finish | Stainless Steel |
| Item Highlight | Engine Heater Hose Kit with 2PCS Clamps for LS LT |
| Item Weight | 1.6 ounces |
| Manufacturer | PQY |
| Material Type | Silicone 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 Count |
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