Yarlung engine bypass kit closeup with 5-8-inch hose connection, durable fit.
Yarlung bypass kit shows 3-4-inch hose adapter for broad compatibility.
Yarlung engine heater core bypass kit installed in engine bay during setup.
Yarlung bypass kit installed in car for safe coolant reroute.
Yarlung packaging displays complete kit contents and fittings.
Yarlung bypass kit connectors arranged for easy installation.
Yarlung diagram-style image illustrating bypass integration in cooling system.
Yarlung engine bypass kit closeup with 5-8-inch hose connection, durable fit.
Yarlung bypass kit shows 3-4-inch hose adapter for broad compatibility.
Yarlung engine heater core bypass kit installed in engine bay during setup.
Yarlung bypass kit installed in car for safe coolant reroute.
Yarlung packaging displays complete kit contents and fittings.
Yarlung bypass kit connectors arranged for easy installation.
Yarlung diagram-style image illustrating bypass integration in cooling system.

Yarlung Engine Heater Core Bypass Kit — Universal Fit with 5/8-inch and 3/4-inch Hose Connectors (Replaces 626-001)

Overview The Yarlung Engine Heater Core Bypass Kit is designed to simplify older cooling systems that rely...
Vendor: yarlung
Availability: In stock
£27.88
£27.88
Please hurry! Only 5 left in stock
Subtotal: £27.88
10 customers are viewing this product

Free UK Delivery on All Orders

No Minimum Spend Fast & Reliable Delivery Ships Across the UK

Free Returns

30-Day Free Returns
Yarlung engine bypass kit closeup with 5-8-inch hose connection, durable fit.

Yarlung Engine Heater Core Bypass Kit — Universal Fit with 5/8-inch and 3/4-inch Hose Connectors (Replaces 626-001)

£27.88
Yarlung engine bypass kit closeup with 5-8-inch hose connection, durable fit.
Yarlung bypass kit shows 3-4-inch hose adapter for broad compatibility.
Yarlung engine heater core bypass kit installed in engine bay during setup.
Yarlung bypass kit installed in car for safe coolant reroute.
Yarlung packaging displays complete kit contents and fittings.
Yarlung bypass kit connectors arranged for easy installation.
Yarlung diagram-style image illustrating bypass integration in cooling system.

Yarlung Engine Heater Core Bypass Kit — Universal Fit with 5/8-inch and 3/4-inch Hose Connectors (Replaces 626-001)

£27.88
Description
Description
x

Overview

The Yarlung Engine Heater Core Bypass Kit is designed to simplify older cooling systems that rely on heater hoses. With two hose connectors (5/8-inch and 3/4-inch), the kit supports common hose sizes and a broad range of vehicles. Instead of replacing a damaged heater core, this bypass solution provides a route for coolant flow that helps you resume driving more quickly while you plan a proper repair. The kit is built with durable aluminum and flexible rubber, offering a sturdier alternative to plastic fittings, and it is intended as a direct replacement option to fit most setups without major overhauls.

What’s included and fit

  • Yarlung engine bypass kit with two connectors for 5/8-inch and 3/4-inch hoses
  • Direct replacement design intended to fit the most common heater hose configurations
  • Professional installation is recommended to ensure correct hose routing and secure seals
  • Affordable alternative that can save time and money compared to a full heater core replacement

Material, durability, and performance

Crafted from premium aluminum and rubber components, the bypass kit delivers stiffness and resilience under heat and vibration. The metal connectors resist cracking and wear, while compliant seals help minimize leaks. Compared with plastic fittings, this kit emphasizes longevity and a reliable seal during long drives or repeated engine warmups.

Usage and real-life scenarios

When the heater core shows signs of failure or leaking, this bypass lets you reroute coolant so your engine coolant system can continue to operate, keeping the engine within safe temperatures as you seek a proper repair. It provides a practical, financially sensible option to keep the vehicle mobile while you source replacement parts and complete the installation.

Why choose Yarlung

  • Universal fit with 5/8-inch and 3/4-inch hoses covers many common configurations
  • Durable construction supported by a trusted brand
  • Clear replacement path that reduces downtime and complexity

Note: For best results, professional installation is highly recommended to ensure correct connections, accurate hose sizing, and secure mounting. This kit replaces the 626-001 part in compatible vehicles and is designed to be a practical interim solution or a long-term maintenance option depending on your cooling system’s condition.

FAQ

Q: What does the Yarlung Engine Heater Core Bypass Kit include?

A: The kit includes two hose connectors for 5/8-inch and 3/4-inch hoses.

Q: Is professional installation recommended?

A: Yes. Proper routing and sealing help ensure reliable operation.

Shipping & Return
Shipping & Return
x

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Complete Your Setup

Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88
Example product title
£27.88
£27.88

Recently Viewed Products