--- product_id: 384877062 title: "Heater Core Crossover Coolant Hose 5/8\" End and 3/4\" End with 2PCS Clamps for LS for LT" brand: "pqy" price: "1112534β‚«" currency: VND in_stock: true reviews_count: 5 category: "Pqy" url: https://www.desertcart.vn/products/384877062-heater-core-crossover-coolant-hose-5-8-end-and-3 store_origin: VN region: Vietnam --- # Includes 2 stainless steel clamps Fits 98-up LS/LT GEN 3-5 engines Premium silicone rubber for durability Heater Core Crossover Coolant Hose 5/8" End and 3/4" End with 2PCS Clamps for LS for LT **Brand:** pqy **Price:** 1112534β‚« **Availability:** βœ… In Stock ## Summary > πŸ”₯ Upgrade your ride’s heartbeat with leak-proof confidence! πŸ”§ ## Quick Answers - **What is this?** Heater Core Crossover Coolant Hose 5/8" End and 3/4" End with 2PCS Clamps for LS for LT by pqy - **How much does it cost?** 1112534β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/384877062-heater-core-crossover-coolant-hose-5-8-end-and-3) ## 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 - β€’ **Secure Clamping System:** Includes two stainless steel clamps for a leak-proof, reliable seal under pressure. - β€’ **Versatile Compatibility:** Designed specifically for 5/8" and 3/4" heater supply and return ports on LS and LT GEN 3, 4, and 5 engines (1998 and up). - β€’ **Customer-Centric Support:** Responsive 24-hour customer service ensures your satisfaction and peace of mind. - β€’ **Durability Meets Performance:** Crafted from high-quality silicone rubber that resists heat and wear, built to last through demanding engine conditions. - β€’ **Engineered for Precision Fit:** Direct replacement for failed heater core hoses, ensuring seamless installation and optimal performance. ## Overview This premium heater core crossover coolant hose features a durable silicone rubber construction with two stainless steel clamps, designed as a direct replacement for 5/8" and 3/4" heater hose outlets on LS and LT GEN 3-5 engines (1998+). Engineered for a perfect fit and long-lasting performance, it ensures reliable coolant flow and easy installation backed by responsive customer support. ## Description Package inckudes 1pcs heater core hose u type + 2pcs clamps Review: Fits as stated. Rubber quality seems good. Review: nicely packaged great fit ## 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 | |---------------|-------| | Manufacturer | PQY | | Item Weight | 45.4 g | | Package Dimensions | 13.89 x 10.49 x 3.71 cm; 45.36 g | | Item model number | 551699 | | Color | Black | | Material | Stainless Steel | | Number Of Pieces | 1 | | Batteries Included? | No | | Batteries Required? | No | ## Product Details - **Material:** Stainless Steel - **Brand:** PQY - **Colour:** Black - **Connector type:** Cross - **Thread size:** 0.75 inch ## Images ![Heater Core Crossover Coolant Hose 5/8" End and 3/4" End with 2PCS Clamps for LS for LT - Image 1](https://m.media-amazon.com/images/I/515jHp3juqL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***R on 9 January 2026* Fits as stated. Rubber quality seems good. ### ⭐⭐⭐⭐⭐ Review *by A***Z on 4 February 2026* nicely packaged great fit ### ⭐⭐⭐⭐⭐ Review *by B***Z on 4 February 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 - ICT Billet SBC Vehicle to LS Engine - Motor Mount Adapter Plate - Universal Swap Bracket Small Block LS Conversion Adjustable LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 Billet 551628 - Oil Pressure Sensor Adapter for GM LS Series Engines LS1 LSX LS3 5.3L 6.0L 6.2L M16 1.5 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/384877062-heater-core-crossover-coolant-hose-5-8-end-and-3](https://www.desertcart.vn/products/384877062-heater-core-crossover-coolant-hose-5-8-end-and-3) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-09*