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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 | #19,038 in Automotive ( See Top 100 in Automotive ) #11 in Automotive Replacement Heater Hoses |
| Brand | PQY |
| Brand Name | PQY |
| Color | Black |
| Connector Type | Cross |
| Customer Reviews | 4.6 out of 5 stars 370 Reviews |
| Exterior Finish | Stainless Steel |
| Item Weight | 1.6 ounces |
| Manufacturer | PQY |
| Material | Silicone Rubber |
| 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 |
R**E
Fits perfect
It fits perfect
F**Z
Heater core bypass.
Worked great on my SBF 302
C**R
Works great for my mustang
The included clamps were tossed. I put these on my fox body coolant thing to just loop it and bypass the heater core
L**.
Good insurance to keep in car incase heater lines break.
2005 Suburban. The heater hose setup on GM vehicles is a fatal flaw. Have had lots of leaks and breaks on the heater hose connectors at the firewall. One plastic connector broke on the road and lost all coolant. Got that somewhat under control, but still minor loss of coolant somewhere. I bought this for insurance incase the system goes again and I am on the road and need to self rescue. Keep it in the car with tools to install. This allows you to bypass the heater coolant lines in the engine compartment so the vehicle can be driven. Obviously need to carry coolant, but do not put in screaming hot. Let cool first.
E**Z
Para motores LS
Buena Calidad, para motores Ls
K**.
ls heater core hose delete
clamps are cheap but hose seals nice and tight sizing is correct one. works for engine stand runs or just heater core delete on ls engines
A**Z
nicely packaged great fit
nicely packaged great fit
B**Z
Good for 4.8,5.3,6.0,6.2
Worked perfectly. I used this since I’m not running a heater
A**.
Buena calidad
Se adapta muy bien a todas las bombas de LS para clausurar la calefaccion
K**R
Fits Well
Fits as stated. Rubber quality seems good.
Trustpilot
1 week ago
1 week ago