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Rein CHR0034P - Radiator Coolant Hose (Upper)
MPN: CHR0034P
The Rein CHR0034P Upper Radiator Coolant Hose ensures efficient coolant flow, maintaining engine temperature. Designed for a perfect fit in select Audi models.
Vehicle Specific
Check if this part fits your vehicle.
Product Overview
The Rein Upper Radiator Coolant Hose (Part Number: CHR0034P) is an essential component designed to ensure optimal performance in your Audi vehicle's cooling system. Manufactured to OEM standards, this high-quality hose provides a reliable connection between the engine and radiator, efficiently transporting hot coolant to maintain the ideal operating temperature. Its robust construction offers resistance to chemicals and high heat, protecting against premature wear and leaks. Choose Rein CHR0034P for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Rein CHR0034P is equivalent to or replaces the following part numbers: 8E0 121 101, 8E0121101.
Vehicle Compatibility
- Audi A4 Cabriolet 1.8 L4 (2002–2006)
- Audi A4 Quattro Avant 1.8 L4 (2002–2006)
- Audi A4 Quattro Base 1.8 L4 (2005)
- Audi A4 Base 1.8 L4 (2002–2006)
- Audi A4 Quattro Base 1.8 L4 (2004–2005)
- Audi A4 Base 1.8 L4 (2004–2005)
- Audi A4 Quattro Avant 1.8 L4 (2004–2005)
- Audi A4 Quattro Avant 1.8 L4 (2003–2005)
- Audi A4 Base 1.8 L4 (2003–2005)
- Audi A4 Cabriolet 1.8 L4 (2003–2005)
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 CHR0034P Radiator Coolant Hose do?
The Upper Radiator Coolant Hose is responsible for transporting coolant from the engine to the radiator, helping to regulate engine temperature and prevent overheating. It plays a crucial role in maintaining the efficiency of your vehicle's cooling system.
How do I know if my Radiator Coolant Hose needs replacement?
Common signs that the upper radiator coolant hose may need replacement include visible cracks or leaks, a spongy texture when squeezed, and overheating engine temperature. Regular inspection is essential to ensure optimal performance and prevent cooling system failures.
Can I install the Rein CHR0034P myself?
Yes, you can install the Rein CHR0034P Radiator Coolant Hose yourself if you have basic mechanical skills. However, ensure you take all necessary precautions to avoid overheating and coolant spillage during the replacement process.
What are the symptoms of a faulty Radiator Coolant Hose?
Symptoms of a faulty upper radiator coolant hose include coolant leaks, engine overheating, and a visible deterioration of the hose material. Regular inspection is crucial to identify issues early and maintain optimal vehicle performance.
Why should I choose Rein for my Radiator Coolant Hose needs?
Rein is known for its commitment to quality and reliability, offering OE-quality parts that ensure perfect fitment and performance. Order Rein CHR0034P 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.
- BrandRein
- ManufacturerRein
- MPNCHR0034P
- Part TypeRadiator Coolant Hose
- PositionUpper
- OE Part Numbers8E0 121 101, 8E0121101
- FeaturesApplication Type : ApplicationSpecific
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 : 11.5000
Centerline Length Metric : 29.2100000
Color : Black
Container Type : BG
Country of Origin : PL
Heat Shield Inc : No
Hose End 1 Inside Diameter Inches : 0.3500
Hose End 1 Inside Diameter Metric : 0.8890000
Hose End 1 Outside Diameter Inches : 0.5900
Hose End 1 Outside Diameter Metric : 1.4986000
Hose End 2 Inside Diameter Inches : 1.4600
Hose End 2 Inside Diameter Metric : 3.7084000
Hose End 2 Outside Diameter Inches : 1.8500
Hose End 2 Outside Diameter Metric : 4.6990000
Hose End 3 Inside Diameter Inches : 1.2600
Hose End 3 Inside Diameter Metric : 3.2004000
Hose End 3 Outside Diameter Inches : 1.5000
Hose End 3 Outside Diameter Metric : 3.8100000
Hose Material : EPDM
Hose Type : Branched
Industry Standards : SAE J20 R4 D1
Item Height : 4.0000
Item Length : 11.5000
Item Level GTIN : 843266046173
Item Qty : 1
Item Quantity Size : 1
Item Quantity Size UOM : EA
Item UOM : EA
Item Weight : 0.6600
Item Weight Unit UOM : LB
Item Width : 7.5000
Link to Manufacturer Page : www.reinautomotive.com
Maximum Working Pressure : 50.0000
Product Desc Extended 240 : Rein OE Quality radiator 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 Radiator Hose
Product Desc Long 80 : Rein OE Quality Radiator Hose
Product Desc Short 20 : Radiator Hose
Protective Shield Inc : No
Qty of Branches : 1
Qty of Quick Connect Fittings : 1
Tech Note : Complete OE Quality Direct Fit European Hose Assembly
Warranty : 2years24000miles
Warranty Distance : 24000
Warranty Time : 24
Warranty Time UOM : MO
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2006 | Audi | A4 | Cabriolet (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2005 | Audi | A4 | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2005 | Audi | A4 | Cabriolet (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2005 | Audi | A4 Quattro | Avant (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2005 | Audi | A4 Quattro | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2004 | Audi | A4 | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2004 | Audi | A4 | Cabriolet (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2004 | Audi | A4 Quattro | Avant (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2004 | Audi | A4 Quattro | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2003 | Audi | A4 | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2003 | Audi | A4 | Cabriolet (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2003 | Audi | A4 Quattro | Avant (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2003 | Audi | A4 Quattro | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2002 | Audi | A4 | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2002 | Audi | A4 Quattro | Avant (1.8 L4 GAS) | Notes: w/Quick Connectors |
| 2002 | Audi | A4 Quattro | Base (1.8 L4 GAS) | Notes: w/Quick Connectors |
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.
