---
product_id: 390804923
title: "PQY Heater Core Crossover Coolant Bypass Hose"
brand: "pqy"
price: "662534₫"
currency: VND
in_stock: null
reviews_count: 9
category: "Pqy"
url: https://www.desertcart.vn/products/390804923-pqy-heater-core-crossover-coolant-bypass-hose
store_origin: VN
region: Vietnam
---

# High-temp silicone rubber 2 stainless steel clamps included Fits 98+ LS/LT Gen 3-5 engines PQY Heater Core Crossover Coolant Bypass Hose

**Brand:** pqy
**Price:** 662534₫
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Upgrade your ride’s cooling game with precision and durability!

## Quick Answers

- **What is this?** PQY Heater Core Crossover Coolant Bypass Hose by pqy
- **How much does it cost?** 662534₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/390804923-pqy-heater-core-crossover-coolant-bypass-hose)

## Best For

- pqy enthusiasts

## Why This Product

- Trusted pqy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Enthusiasts:** Highly rated with 4.7 stars and proven performance on Mustangs, Camaros, and more.
- • **Complete Installation Kit:** Includes 2 stainless steel clamps for secure, hassle-free mounting right out of the box.
- • **Durable Silicone Construction:** Engineered with premium silicone rubber to withstand extreme temperatures and resist wear.
- • **Heater Core Bypass Made Simple:** Direct replacement hose designed to bypass failed heater cores, restoring engine efficiency instantly.
- • **Precision Fit for LS/LT Engines:** Seamlessly adapts to 5/8" and 3/4" heater ports for a perfect, leak-free connection.

## Overview

The PQY Heater Core Crossover Coolant Bypass Hose is a high-quality silicone rubber hose designed for 98-up LS/LT Gen 3-5 engines. Featuring two stainless steel clamps, it offers a direct replacement solution for failed heater cores with 5/8" and 3/4" hose ends. Engineered for durability and a perfect fit, it ensures reliable coolant flow and easy installation, backed by excellent customer reviews and responsive support.

## Description

Buy PQY Heater Core Crossover Coolant Hose 5/8" End and 3/4" End with 2PCS Clamps for LS for LT: Heater - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: 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
Review: Works perfect - Fit like a glove on my 2002 Camaro Z28. Held up well. Would buy again.

## Features

- This heater core hose is made of high quality silicone rubber,comes with 2pcs stainless steel clamps
- The hose is used to adjust the heater hose outlets of your LS/LT engine water pump,can be a direct replacement for your entire failed heater core
- Hose Ends Size: One end is 5/8" and the other is 3/4"
- Compatible with 98-up LS LT GEN 3 4 5 Engine with 5/8" and 3/4" heater supply and return ports.
- PQY CUSTOMER SERVICE:If you have any problem ,please contact us and we will respond you in 24 hours except weekends and holidays.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09LV2KH1H |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #17,398 in Automotive ( See Top 100 in Automotive ) #13 in Automotive Replacement Heater Hoses |
| Brand | PQY |
| Color | Black |
| Connector Type | Cross |
| Customer Reviews | 4.7 4.7 out of 5 stars (299) |
| Date First Available | November 15, 2021 |
| Exterior Finish | Stainless Steel |
| Item Weight | 1.6 ounces |
| Item model number | 551699 |
| Manufacturer | PQY |
| Material | Silicone Rubber |
| Number of Pieces | 1 |
| Package Dimensions | 5.47 x 4.13 x 1.46 inches |
| Size | 0.75 Inch |
| Thread Size | 0.75 inch |
| Thread Type | NPT |
| UPC | 784136203275 |

## Product Details

- **Brand:** PQY
- **Color:** Black
- **Connector Type:** Cross
- **Exterior Finish:** Stainless Steel
- **Item Weight:** 1.6 ounces
- **Material:** Silicone Rubber
- **Number of Pieces:** 1
- **Size:** 0.75 Inch
- **Thread Size:** 0.75 inch
- **Thread Type:** NPT

## Images

![PQY Heater Core Crossover Coolant Bypass Hose - Image 1](https://m.media-amazon.com/images/I/31bbYzFSZKL.jpg)
![PQY Heater Core Crossover Coolant Bypass Hose - Image 2](https://m.media-amazon.com/images/I/31cIbkewinL.jpg)
![PQY Heater Core Crossover Coolant Bypass Hose - Image 3](https://m.media-amazon.com/images/I/41bn2IBZLVL.jpg)
![PQY Heater Core Crossover Coolant Bypass Hose - Image 4](https://m.media-amazon.com/images/I/513WZfglnOL.jpg)
![PQY Heater Core Crossover Coolant Bypass Hose - Image 5](https://m.media-amazon.com/images/I/515jHp3juqL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works great for my mustang
*by J***Y on May 17, 2025*

The included clamps were tossed. I put these on my fox body coolant thing to just loop it and bypass the heater core

### ⭐⭐⭐⭐⭐ Works perfect
*by J***H on January 7, 2025*

Fit like a glove on my 2002 Camaro Z28. Held up well. Would buy again.

### ⭐⭐⭐⭐⭐ Good for 4.8,5.3,6.0,6.2
*by B***Z on February 4, 2026*

Worked perfectly. I used this since I’m not running a heater

## Frequently Bought Together

- PQY Heater Core Crossover Coolant Hose 5/8" End and 3/4" End with 2PCS Clamps for LS for LT
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- Oil Pressure Sensor Adapter for GM LS Series Engines LS1 LSX LS3 5.3L 6.0L 6.2L M16 1.5

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**Shop now:** [https://www.desertcart.vn/products/390804923-pqy-heater-core-crossover-coolant-bypass-hose](https://www.desertcart.vn/products/390804923-pqy-heater-core-crossover-coolant-bypass-hose)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-08*