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          Rein CHE0128R - Engine Coolant Bypass Hose (Thermostat Housing To Coolant Inlet)

          MPN: CHE0128R
          The Rein CHE0128R Engine Coolant Bypass Hose connects the thermostat housing to the coolant inlet, ensuring efficient coolant circulation and preventing overheating.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $12.40
          In stock

          Product Overview

          The Rein CHE0128R Engine Coolant Bypass Hose is a vital component that ensures the efficient circulation of coolant between the engine and the thermostat housing in your Jaguar vehicle. Manufactured to OE standards, this high-quality coolant hose guarantees reliability and precision fitment, making it an essential choice for both DIY enthusiasts and professional technicians. Designed specifically for Jaguar models, the Rein CHE0128R is engineered to withstand extreme temperatures and chemical exposure, ensuring optimal engine performance. Choose Rein CHE0128R for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Rein CHE0128R is equivalent to or replaces the following part numbers: AJ811638

          Vehicle Compatibility

          • Jaguar Super V8 4.2 V8 (2005–2009)
          • Jaguar XJ8 4.0 V8 (1998–2003)
          • Jaguar XJR 4.0 V8 (1998–2002)
          • Jaguar Vanden Plas 4.0 V8 (1999–2003)

          This may also fit other applications. Please use the vehicle selector tool to verify fitment.

          Why Shop at eEuroparts.com?

          • Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
          • Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
          • Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
          • Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
          • Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
          • Established Trust: Serving the European auto community since 2000.

          Frequently Asked Questions

          What does the Rein CHE0128R Engine Coolant Bypass Hose do?

          The engine coolant hose connects the engine to the thermostat housing, allowing the flow of coolant to regulate engine temperature and prevent overheating.

          How do I know if my Engine Coolant Bypass Hose needs replacement?

          Common signs that the coolant hose may need replacement include visible cracks or leaks, soft or spongy texture, and signs of coolant pooling under the vehicle.

          Can I install the Rein CHE0128R myself?

          Yes, the installation of the Rein CHE0128R is straightforward for those with basic mechanical skills. However, ensure to follow safety precautions and manufacturer guidelines.

          What are the symptoms of a faulty Engine Coolant Bypass Hose?

          Symptoms of a failing coolant hose include engine overheating, coolant leaks, and reduced cabin heating performance. If you notice any of these issues, it is advisable to inspect the hose for damage.

          Why should I choose Rein for my Engine Coolant Bypass Hose needs?

          Rein is known for its high-quality automotive parts that meet or exceed OEM specifications. Order Rein CHE0128R today for a factory-correct replacement that restores safety and performance.

          Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.

            • eEuroparts SKU
              662430
            • Weight
              0.21 lbs
            • Dimensions (L x W x H)
              5 x 3 x 2 in
            • Barcode
              00843266046968
            • Manufacturer Part #
              CHE0128R
          • Brand
            Rein
          • Manufacturer
            Rein
          • MPN
            CHE0128R
          • Part Type
            Engine Coolant Bypass Hose
          • Position
            Thermostat Housing To Coolant Inlet
          • OE Part Numbers
            AJ8 11638, AJ811638
          • Features
            Application Type : Application Specific
            Bullet Point 1 : Reduces installation time.
            Bullet Point 2 : No cutting, refitting or adjusting the hose.
            Bullet Point 3 : Prevents leaks and comebacks from reusing old quick connectors and o-rings.
            Bullet Point 4 : Resistant to heat, salt, road debris, oil and other contaminants.
            Centerline Length Inches : 5.1200
            Centerline Length Metric : 13.0048000
            Color : Black
            Container Type : BG
            Country of Origin : TR
            Heat Shield Inc : No
            Hose End 1 Inside Diameter Inches : 0.9500
            Hose End 1 Inside Diameter Metric : 2.4130000
            Hose End 1 Outside Diameter Inches : 1.9700
            Hose End 1 Outside Diameter Metric : 5.0038000
            Hose End 2 Inside Diameter Inches : 1.6100
            Hose End 2 Inside Diameter Metric : 4.0894000
            Hose End 2 Outside Diameter Inches : 1.9700
            Hose End 2 Outside Diameter Metric : 5.0038000
            Hose Material : EPDM
            Hose Type : Single
            Industry Standards : SAE J20R4 -D1
            Item Height : 2.0000
            Item Length : 5.0000
            Item Level GTIN : 843266046968
            Item Qty : 1
            Item Quantity Size : 1
            Item Quantity Size UOM : EA
            Item UOM : EA
            Item Weight : 0.2100
            Item Weight Unit UOM : LB
            Item Width : 3.0000
            Link to Manufacturer Page : www.reinautomotive.com
            Maximum Working Pressure : 120.0000
            Product Desc Extended 240 : Rein OE Quality water hoses are designed to be direct replacements for OE hoses and assemblies. Rein hoses are identical, from the size and shape of their branches to the thermoplastic quick connect fittings as called for by the OE
            Product Desc Invoice 40 : Rein Water Hose
            Product Desc Long 80 : Rein OE Quality Water Hose
            Product Desc Short 20 : Water Hose
            Protective Shield Inc : No
            Tech Note : Complete OE Quality Direct Fit European Hose
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2003JaguarVanden PlasBase (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2003JaguarVanden PlasSC (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2003JaguarXJRBase (4.0 V8 GAS)
          2003JaguarXJ8Base (4.0 V8 GAS)
          2003JaguarXJ8Sport (4.0 V8 GAS)
          2002JaguarVanden PlasBase (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2002JaguarVanden PlasSC (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2002JaguarXJR100 (4.0 V8 GAS)
          2002JaguarXJRBase (4.0 V8 GAS)
          2002JaguarXJ8Base (4.0 V8 GAS)
          2002JaguarXJ8Sport (4.0 V8 GAS)
          2001JaguarVanden PlasBase (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2001JaguarVanden PlasSC (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2001JaguarXJRBase (4.0 V8 GAS)
          2001JaguarXJ8Base (4.0 V8 GAS)
          2001JaguarXJ8L (4.0 V8 GAS)
          2005JaguarSuper V8Base (4.2 V8 GAS)
          2006JaguarSuper V8Base (4.2 V8 GAS)
          2006JaguarSuper V8Portfolio (4.2 V8 GAS)
          2007JaguarSuper V8Base (4.2 V8 GAS)
          2008JaguarSuper V8Base (4.2 V8 GAS)
          2009JaguarSuper V8Base (4.2 V8 GAS)
          1998JaguarXJRBase (4.0 V8 GAS)
          1998JaguarXJ8Base (4.0 V8 GAS)
          1998JaguarXJ8L (4.0 V8 GAS)
          1998JaguarVanden PlasBase (4.0 V8 GAS)
          1999JaguarXJRBase (4.0 V8 GAS)
          1999JaguarXJ8Base (4.0 V8 GAS)
          1999JaguarXJ8L (4.0 V8 GAS)
          1999JaguarVanden PlasBase (4.0 V8 GAS)
          2000JaguarXJRBase (4.0 V8 GAS)
          2000JaguarXJ8Base (4.0 V8 GAS)
          2000JaguarXJ8L (4.0 V8 GAS)
          2000JaguarVanden PlasBase (4.0 V8 GAS)Aspiration: Naturally Aspirated
          2000JaguarVanden PlasSC (4.0 V8 GAS)Aspiration: Naturally Aspirated
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          Warranty Overview

          At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.

          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, contact customer support via Chat or Contact Us.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.


          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For complete details, please see our full Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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