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HPS Black 4-Ply Silicone Heater Bypass Loop Coolant Hose Kit For L20 LC9 LH8

Application:

For any LS family engine (LS1, LT1, LQ9, etc) with 5/8" and 3/4" heater supply and return ports


Remark:

Reference Engine Code LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG LS3 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77


Installation Note:

Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.


Product Description:

As LS engines are becoming increasingly popular to swap, we saw an opportunity to develop a product catered to LS powered enthusiasts. Whether your car or truck came with an LSX, or you are swapping one in, the HPS LS Heater Bypass Loop is a necessity for those who plan to bypass the cabin heater. This easy to install loop eliminates concerns about air pockets that can develop when capping off your heater lines.

This is the lowest profile heater loop on the market, measuring in at only 3 inches tall. We reinforced this hose with 4 layers of polyester between each layer of premium quality silicone. The HPS LS Heater Bypass Loop will install on any LS family engine (LS1, LT1, LQ9, etc) with 5/8" and 3/4" heater supply and return ports. Embossed stainless steel hose clamps are included for easy installation.

Key Features- Loops the heater supply and return ports on your LSX water pump.- Reduce curb weight by allowing safe removal of the heater core.- CAD modeled designed using 3D scanning technology.- This is the lowest profile heater loop on the market, measuring in at only 3 inches tall.- Includes 100% stainless steel non-perforated embossed hose clamps for easy installation, which do not cut through the silicone hoses.- Prevent and fix the coolant leaking and engine overheating problem caused by cracked, damaged or collapsed OEM rubber heater coolant hoses.- Race proven design with long lasting quality and engineered for extremely high temperature service (Max. 350F) and prolonged exposure to under-hood and coolant heat.

Product information - Product Type: Silicone Hose Kit- Material: High Temperature Reinforced Silicone- Available Colors: Black, and - Warranty: 2 Years- Weight: 1 lb- Shipping Box Dimension: 4 inch x 4 inch x 4 inch

Included in the kit- HPS Performance Reinforced Silicone Hose- HPS Performance 100% Stainless Steel Embossed Clamps

Remark: Silicone hose water permeation rate is 10 to 15 times greater than standard EPDM rubber hose. Checking water level regularly is highly recommended when silicone coolant hoses are used in a daily driving vehicle.


Product Content:


1 x HPS Performance Reinforced Silicone Hose
1 x HPS Performance 100% Stainless Steel Embossed Clamps

No Instruction, Professional Install Recommended


FAQ:
Q. Do you carry other parts and accessories for this Vehicle?
A. Yes. Click Here to visit our eBay store for more related product

57-1864-BLK_P2 57-1864-BLK 57-1864-BLK 571864BLK [[OE/OEM Part Number]]


Vehicle Application
Make Year / Model / Engine
Cadillac 2006 2007 Cadillac CTS 6.0L V8
Cadillac 2009 2015 Cadillac CTS 6.2L V8
Cadillac 2010 2020 Cadillac Escalade 6.2L V8 Flex
Cadillac 2015 2026 Cadillac Escalade 6.2L V8 Gas
Cadillac 2010 2020 Cadillac Escalade ESV 6.2L V8 Flex
Cadillac 2015 2026 Cadillac Escalade ESV 6.2L V8 Gas
Cadillac 2010 2013 Cadillac Escalade EXT 6.2L V8 Flex
Chevrolet 2007 2013 Chevrolet Avalanche 5.3L V8 Flex
Chevrolet 2007 2009 Chevrolet Avalanche 6.0L V8 Gas
Chevrolet 1998 2002 Chevrolet Camaro 5.7L V8 Gas
Chevrolet 2010 2024 Chevrolet Camaro 6.2L V8 Gas
Chevrolet 2014 2015 Chevrolet Camaro 7.0L V8 Gas
Chevrolet 2011 2017 Chevrolet Caprice 6.0L V8 Flex
Chevrolet 1997 2004 Chevrolet Corvette 5.7L V8 Gas
Chevrolet 2005 2007 Chevrolet Corvette 6.0L V8 Gas
Chevrolet 2008 2019 Chevrolet Corvette 6.2L V8 Gas
Chevrolet 2006 2013 Chevrolet Corvette 7.0L V8 Gas
Chevrolet 2008 2014 Chevrolet Express 1500 5.3L V8 Flex
Chevrolet 2008 2009 Chevrolet Express 1500 5.3L V8 Gas
Chevrolet 2010 2017 Chevrolet Express 2500 4.8L V8 Flex
Chevrolet 2011 2020 Chevrolet Express 2500 6.0L V8 CNG
Chevrolet 2010 2020 Chevrolet Express 2500 6.0L V8 Flex
Chevrolet 2016 2020 Chevrolet Express 2500 6.0L V8 Gas
Chevrolet 2021 2025 Chevrolet Express 2500 6.6L V8 Gas
Chevrolet 2010 2017 Chevrolet Express 3500 4.8L V8 Flex
Chevrolet 2011 2020 Chevrolet Express 3500 6.0L V8 CNG
Chevrolet 2010 2020 Chevrolet Express 3500 6.0L V8 Flex
Chevrolet 2016 2020 Chevrolet Express 3500 6.0L V8 Gas
Chevrolet 2021 2025 Chevrolet Express 3500 6.6L V8 Gas
Chevrolet 2016 2020 Chevrolet LCF 3500 6.0L V8 Flex
Chevrolet 2016 2020 Chevrolet LCF 3500 6.0L V8 Gas
Chevrolet 2020 2023 Chevrolet LCF 3500 6.6L V8 Gas
Chevrolet 2024 2026 Chevrolet LCF 3500HG 6.6L V8 Gas
Chevrolet 2010 2013 Chevrolet Silverado 1500 4.8L V8 Flex
Chevrolet 2007 2026 Chevrolet Silverado 1500 5.3L V8 Flex
Chevrolet 2014 2026 Chevrolet Silverado 1500 5.3L V8 Gas
Chevrolet 2016 2018 Chevrolet Silverado 1500 5.3L V8 Mild Hybrid
Chevrolet 2007 2009 Chevrolet Silverado 1500 6.0L V8 Gas
Chevrolet 2014 2026 Chevrolet Silverado 1500 6.2L V8 Gas
Chevrolet 2019 2019 Chevrolet Silverado 1500 LD 5.3L V8
Chevrolet 2022 2022 Chevrolet Silverado 1500 LTD 5.3L V8
Chevrolet 2022 2022 Chevrolet Silverado 1500 LTD 6.2L V8
Chevrolet 2013 2019 Chevrolet Silverado 2500 HD 6.0L V8 CNG
Chevrolet 2010 2019 Chevrolet Silverado 2500 HD 6.0L V8 Flex
Chevrolet 2011 2019 Chevrolet Silverado 2500 HD 6.0L V8 Gas
Chevrolet 2020 2026 Chevrolet Silverado 2500 HD 6.6L V8
Chevrolet 2015 2016 Chevrolet Silverado 3500 HD 6.0L V8 CNG
Chevrolet 2019 2019 Chevrolet Silverado 3500 HD 6.0L V8 CNG
Chevrolet 2010 2019 Chevrolet Silverado 3500 HD 6.0L V8 Flex
Chevrolet 2011 2019 Chevrolet Silverado 3500 HD 6.0L V8 Gas
Chevrolet 2021 2026 Chevrolet Silverado 3500 HD 6.6L V8 Flex
Chevrolet 2020 2026 Chevrolet Silverado 3500 HD 6.6L V8 Gas
Chevrolet 2014 2017 Chevrolet SS 6.2L V8 Gas
Chevrolet 2005 2006 Chevrolet SSR 6.0L V8 Gas
Chevrolet 2015 2020 Chevrolet Suburban 5.3L V8 Flex
Chevrolet 2016 2026 Chevrolet Suburban 5.3L V8 Gas
Chevrolet 2019 2020 Chevrolet Suburban 6.2L V8 Flex
Chevrolet 2019 2026 Chevrolet Suburban 6.2L V8 Gas
Chevrolet 2007 2014 Chevrolet Suburban 1500 5.3L V8 Flex
Chevrolet 2007 2009 Chevrolet Suburban 1500 6.0L V8 Gas
Chevrolet 2010 2013 Chevrolet Suburban 2500 6.0L V8 Flex
Chevrolet 2016 2019 Chevrolet Suburban 3500 HD 6.0L V8 Flex
Chevrolet 2016 2018 Chevrolet Suburban 3500 HD 6.0L V8 Gas
Chevrolet 2007 2020 Chevrolet Tahoe 5.3L V8 Flex
Chevrolet 2016 2026 Chevrolet Tahoe 5.3L V8 Gas
Chevrolet 2018 2020 Chevrolet Tahoe 6.2L V8 Flex
Chevrolet 2018 2026 Chevrolet Tahoe 6.2L V8 Gas
Chevrolet 2006 2009 Chevrolet Trailblazer 6.0L V8 Gas
GMC 2008 2014 GMC Savana 1500 5.3L V8 Flex
GMC 2008 2009 GMC Savana 1500 5.3L V8 Gas
GMC 2010 2017 GMC Savana 2500 4.8L V8 Flex
GMC 2011 2020 GMC Savana 2500 6.0L V8 CNG
GMC 2010 2020 GMC Savana 2500 6.0L V8 Flex
GMC 2016 2020 GMC Savana 2500 6.0L V8 Gas
GMC 2021 2025 GMC Savana 2500 6.6L V8 Gas
GMC 2010 2017 GMC Savana 3500 4.8L V8 Flex
GMC 2011 2020 GMC Savana 3500 6.0L V8 CNG
GMC 2010 2020 GMC Savana 3500 6.0L V8 Flex
GMC 2016 2020 GMC Savana 3500 6.0L V8 Gas
GMC 2021 2025 GMC Savana 3500 6.6L V8 Gas
GMC 2010 2013 GMC Sierra 1500 4.8L V8 Flex
GMC 2007 2026 GMC Sierra 1500 5.3L V8 Flex
GMC 2015 2026 GMC Sierra 1500 5.3L V8 Gas
GMC 2016 2018 GMC Sierra 1500 5.3L V8 Mild Hybrid
GMC 2019 2019 GMC Sierra 1500 Limited 5.3L V8
GMC 2022 2022 GMC Sierra 1500 Limited 5.3L V8
GMC 2013 2016 GMC Sierra 2500 HD 6.0L V8 CNG
GMC 2019 2019 GMC Sierra 2500 HD 6.0L V8 CNG
GMC 2014 2019 GMC Sierra 2500 HD 6.0L V8 Flex
GMC 2013 2019 GMC Sierra 2500 HD 6.0L V8 Gas
GMC 2021 2026 GMC Sierra 2500 HD 6.6L V8 Flex
GMC 2020 2026 GMC Sierra 2500 HD 6.6L V8 Gas
GMC 2015 2016 GMC Sierra 3500 HD 6.0L V8 CNG
GMC 2019 2019 GMC Sierra 3500 HD 6.0L V8 CNG
GMC 2010 2019 GMC Sierra 3500 HD 6.0L V8 Flex
GMC 2011 2019 GMC Sierra 3500 HD 6.0L V8 Gas
GMC 2021 2026 GMC Sierra 3500 HD 6.6L V8 Flex
GMC 2021 2026 GMC Sierra 3500 HD 6.6L V8 Gas
GMC 2007 2020 GMC Yukon 5.3L V8 Flex
GMC 2016 2026 GMC Yukon 5.3L V8 Gas
GMC 2010 2020 GMC Yukon 6.2L V8 Flex
GMC 2015 2026 GMC Yukon 6.2L V8 Gas
GMC 2015 2020 GMC Yukon XL 5.3L V8 Flex
GMC 2016 2026 GMC Yukon XL 5.3L V8 Gas
GMC 2015 2020 GMC Yukon XL 6.2L V8 Flex
GMC 2016 2026 GMC Yukon XL 6.2L V8 Gas
GMC 2007 2014 GMC Yukon XL 1500 5.3L V8 Flex
GMC 2007 2009 GMC Yukon XL 1500 6.0L V8 Gas
GMC 2010 2014 GMC Yukon XL 1500 6.2L V8 Flex
GMC 2010 2013 GMC Yukon XL 2500 6.0L V8 Flex
Pontiac 1998 2002 Pontiac Firebird 5.7L V8 Gas
Pontiac 2008 2009 Pontiac G8 6.0L V8 Gas
Pontiac 2009 2009 Pontiac G8 6.2L V8 Gas
Pontiac 2004 2004 Pontiac GTO 5.7L V8 Gas
Pontiac 2005 2006 Pontiac GTO 6.0L V8 Gas
Saab 2008 2009 Saab 9-7x 6.0L V8 Gas


Visit the link to our eBay store below to see the full selection of HPS Performance Hoses, Tubing, Clamps, and AN Fittings products we carry.

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SHIPPING POLICY
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Domestic Shipping (Lower 48 States):
Free shipping is provided within the contiguous United States unless otherwise stated.

Orders are typically processed within 1–2 business days (Monday–Friday, excluding holidays). Orders placed on weekends or holidays will be processed the next business day.

We ship via USPS, FedEx, or UPS, depending on package size, weight, and destination.

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INTERNATIONAL SHIPPING (eBay INTERNATIONAL SHIPPING)
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We use eBay International Shipping (eIS) for eligible international orders.

• All international shipping costs, import duties, and taxes are calculated and collected by eBay at checkout
• Buyers are responsible for any applicable import charges as determined by eBay
• The seller ships the item to eBay’s domestic shipping hub, and eBay handles international delivery

Once the package is received by eBay’s shipping facility, the seller is no longer responsible for international shipping, customs processing, delivery delays, or import-related issues.

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U.S. TERRITORIES / APO / P.O. BOX
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Certain destinations are considered non-continental U.S. or special routing areas, including:

Puerto Rico, Guam, U.S. Virgin Islands, Northern Mariana Islands, American Samoa, and APO/FPO/DPO/AE addresses.

For these locations:

• Orders may be shipped via USPS only
• Delivery times may be longer than standard domestic shipments

Please note:

• Some items (including oversized or restricted products) may not be eligible for shipment to P.O. Boxes or remote locations
• If a valid shipping method is not available, we may request an alternative address or cancel the order in accordance with eBay policy

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ADDRESS & DELIVERY POLICY
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Orders will be shipped to the address provided at checkout.

Please ensure your shipping address is accurate before placing the order. Address changes may not be possible after shipment.

For security reasons, we may verify certain high-risk orders before shipment.

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UNDELIVERABLE / REFUSED SHIPMENTS
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If a shipment is returned due to:

• Incorrect or incomplete address
• Refused delivery
• Unpaid customs duties or import charges

The buyer may be responsible for additional shipping costs.

A deduction may be applied from the refund based on actual shipping costs and losses incurred, in accordance with eBay policy.

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SHIPPING LIMITATIONS
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Not all items are eligible for shipping to all locations due to carrier restrictions, package size, or product type.

We reserve the right to adjust shipping methods based on destination, package size, and carrier availability to ensure successful delivery.

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BACKORDERS
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If an item is on backorder, the buyer will be notified.

A full refund will be issued if the delay exceeds 20 days.

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OTHER CONDITIONS
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• Local pickup is currently not available
• We are not responsible for carrier delays, weather delays, or unforeseen shipping interruptions

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FINAL NOTE
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By placing an order, the buyer agrees to the above shipping terms and conditions.

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PAYMENT & PROCESSING POLICY
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Sales tax will be calculated and collected by eBay where applicable.

Orders are typically processed within 1 business day after payment has been successfully cleared (excluding weekends and holidays).

Orders placed on weekends or holidays will be processed on the next business day.

All orders will be shipped only after payment has been successfully processed and cleared by eBay.

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PAYMENT VERIFICATION
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For security reasons, we reserve the right to review and verify certain payments before processing the order.

If additional verification is required, we may contact the buyer. Delays may occur if verification cannot be completed.

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SHIPPING ADDRESS
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Orders will only be shipped to the address provided at checkout.

Please ensure that your shipping address is correct before placing the order, as changes may not be possible after the order is processed or shipped.

Thank you for viewing this auction. Customers are our most important asset, and we respond to most inquiries within 1 business day. We are committed to providing quality products and excellent customer service.

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RETURN POLICY
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We accept returns within 30 days in accordance with eBay Money Back Guarantee.

Items must be returned with all original packaging, hardware, and accessories.

Items returned in original, unused condition will qualify for a full refund.

Items returned in a condition different from the original (including installation, use, missing parts, or damage) will not qualify for a full refund and may be subject to a partial refund based on condition and loss of value.

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PARTIAL REFUND POLICY (CONDITION-BASED)
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All returned items will be inspected upon receipt.

If the item shows signs of installation, use, or damage, a deduction will be applied in accordance with eBay policy, up to a maximum of 50%.

Typical deduction guidelines:

• Minor handling / light wear → 10%–20% deduction
• Installed or visible usage → 20%–35% deduction
• Moderate wear or cosmetic damage → 35%–50% deduction
• Installation-related damage (e.g. tool marks, improper fitment, thread damage) → up to 50% deduction

This reflects loss of resale value and handling costs.

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INSTALLATION DISCLAIMER
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Professional installation is required for all performance automotive parts.

Improper installation may cause damage that is not related to product defects.

Examples include (but are not limited to):

• Over-torquing bolts
• Cross-threading or stripped threads
• Improper alignment or forced installation
• Use of incorrect tools or hardware

Any damage caused during installation is considered user-caused damage and not a manufacturing defect.

Returns opened under "Doesn't work or defective" due to installation-related damage will be reviewed and may be subject to partial refund.

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WARRANTY POLICY
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Warranty claims are subject to manufacturer inspection and approval.

Installation-related damage is not covered under warranty.

We may assist in submitting a warranty claim; however, the final determination is made by the manufacturer.

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SHIPPING DAMAGE
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If the item arrives damaged during shipping, do not install or use the item.

Please contact us immediately with photos so we can file a shipping claim and provide a replacement.

Installation of a damaged item may void shipping insurance coverage.

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DISCLAIMER & LEGAL NOTICE
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All products sold are intended for off-road, racing, or show use only unless otherwise explicitly stated by the manufacturer.

Certain products may not be compliant with federal, state, or local laws and regulations, including emissions and safety standards for highway use. It is the buyer’s responsibility to verify compliance with applicable laws before purchase and installation.

The seller makes no representation regarding the legality of product use on public roads. Any use of these products on pollution-controlled vehicles or public highways may violate applicable regulations.

The seller shall not be held responsible for:

• Any legal penalties, fines, or violations resulting from product use
• Any damages caused by improper installation or misuse
• Any compatibility issues due to vehicle modifications or non-OEM components
• Any labor, installation, or removal costs under any circumstances

Products are sold as aftermarket performance parts. Compatibility and fitment may vary depending on vehicle condition, modifications, or installation methods.

If the manufacturer states that a product is street legal or compliant, such claims are made solely by the manufacturer. The seller is not responsible for such claims and assumes no liability.

For emissions-related products, please check with your local jurisdiction for specific requirements before purchasing.

All items are sold with the understanding that the buyer assumes full responsibility for proper installation and use.

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FINAL NOTICE
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Professional installation is strongly recommended.

Improper installation may result in permanent damage and will affect refund eligibility and warranty coverage.

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ABOUT US
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URMarketOutlet specializes in aftermarket automotive performance parts, offering a wide selection of products including intake systems, exhaust components, suspension parts, and more.

We are a small family-operated business committed to providing quality products, fair pricing, and dependable service. Our inventory includes thousands of items sourced from trusted manufacturers and authorized distributors.

As a reseller, we carry a large catalog of products and rely on manufacturer-provided specifications and fitment data. We continuously work to ensure accurate listings while expanding our product selection.

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WHAT SETS US APART
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• Extensive product selection across multiple categories
• Competitive pricing and efficient fulfillment
• Honest communication and customer-focused service
• Experience in handling performance automotive parts

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IMPORTANT NOTE
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Due to variations in vehicle setups and aftermarket modifications, fitment may vary. Professional installation is strongly recommended.

If you are unsure about compatibility, please contact us before purchasing — we are happy to assist.

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CUSTOMER SATISFACTION
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We strive to provide the best possible products and customer service.

If you experience any issues with your order, please contact us — our team is committed to resolving concerns quickly and professionally.

Your feedback is important to us and helps us continue to improve.

Thank you for choosing us and shopping with confidence.

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