In Northern California? Get this professionally set up & installed!
Fitment Information
- Lexus IS300 (2001, 2002, 2003, 2004, 2005 )
- With 1JZ-GTE VVT-i engine swap from JZS171 Toyota Crown
- Equipped with OEM Style IS300 Radiator
Specs & Features
- Coolant Hose Material: High-Temperature Reinforced Silicone
- Color: Black (also available in Blue and Red)
- Warranty: 2-Year Limited
- Improves cooling efficiency, durability, and heat resistance while helping prevent cracking, swelling, and coolant leaks common with factory rubber hoses in engine swap applications.
- Engineered by HPS Performance to replace the factory heater coolant hoses specifically for 1JZ-GTE swap setups (including JZS171 Toyota Crown and IS300/Altezza conversions), delivering a more reliable coolant flow solution under high-performance and custom build conditions.
- Features a precision-molded 3-ply reinforced silicone hose design with correct bends and curves for swap-specific routing, improved durability, and resistance to extreme heat up to 350°F.
- Includes HPS high-temperature reinforced silicone heater coolant hoses and 100% stainless steel embossed hose clamps for secure, leak-free performance.
- Installation requires no cutting or modifications and is designed for direct-fit swap applications when paired with OEM-style IS300 radiator setups.
In the Box
- HPS Performance Reinforced Silicone Heater Coolant Hoses
- HPS Performance 100% Stainless Steel Embossed Hose Clamps
Product Description
Upgrade the cooling system on your 1st Gen Lexus IS300 1JZ-GTE swap (including JZS171 Toyota Crown engine setups) with the HPS Performance Silicone Heater Coolant Hose Kit. Designed specifically for engine swap configurations, this kit eliminates the hassle of mismatched or spliced heater hoses and helps prevent common issues like cracking, coolant leaks, and poor hose routing under tight engine bay conditions.
Built from high-temperature 3-ply reinforced silicone, these hoses are engineered for turbocharged and high-heat environments, ensuring stable coolant flow even under aggressive driving or track use.
With a perfect swap-ready fit and included stainless steel clamps, this kit delivers a clean, reliable, and professional-grade cooling system solution for 1JZ IS300 builds.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.More in this category
HPS Performance Silicone Coolant Hoses
Lexus IS300 Parts
Reviews on this product
Ordering from Redline360
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
Protect your purchase
Redline360 offers our customers piece of mind! We have partned with Extend to offer you Extend Product Protection and Extend Shipping Protection. Read about each protection that Extend offers to Redline360 customers!
Multiple distribution points ready to serve you!
We ship from multiple locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Indiana, Michigan, Florida, Texas and Pennsylvania.
Secure Ordering
We take security seriously! We are never exposed to your credit card information, and it's never stored. Credit card transactions go through the credit card processor directly. We also offer various other payment methods such as PayPal, Affirm Financing (Pay over time), Amazon Pay, Apple Pay and more!
Any non CARB compliant items can not ship California. We will notify you if we have to cancel your order.
Some products may be subject to local rules, laws and regulations in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.
For items that have free shipping, free shipping only applies to the lower 48 states.
Questions? Contact us.
Actual item may vary from picture
Redline360 is an Authorized Dealer so we only sell authentic and genuine parts and accessories.
Order updates, tracking and info
Our goal is your complete satisfaction. Upon ordering, you will receive an email confirmation of your order along with your invoice. You will be able to log into our website 24/7 to check on your order at any time. Your order is processed Monday through Friday from 8am to 6pm PST as soon as it is placed. Once your order ships, we will email you a tracking number so you can track your package.
Protect your purchase
Redline360 offers our customers piece of mind! We have partned with Extend to offer you Extend Product Protection and Extend Shipping Protection. Read about each protection that Extend offers to Redline360 customers!
Multiple distribution points ready to serve you!
We ship from multiple locations around the United States so you receive your part as quick as possible. Not every warehouse stocks all the same parts, so the closest warehouse to you that has the part in stock is where your order will ship from. We ship from California, Nevada, Indiana, Michigan, Florida, Texas and Pennsylvania.
Secure Ordering
We take security seriously! We are never exposed to your credit card information, and it's never stored. Credit card transactions go through the credit card processor directly. We also offer various other payment methods such as PayPal, Affirm Financing (Pay over time), Amazon Pay, Apple Pay and more!
Any non CARB compliant items can not ship California. We will notify you if we have to cancel your order.
Some products may be subject to local rules, laws and regulations in certain areas. Always check your local laws to determine legal restrictions. We are not responsible if you buy a product that is not legal in your area.
For items that have free shipping, free shipping only applies to the lower 48 states.
Questions? Contact us.
Actual item may vary from picture