Rein CHH0477 HVAC Heater Hose - Auxiliary Water Pump Inlet or Heater To Auxiliary Water Pump

Brand Rein CHH0477
Position Auxiliary Water Pump Inlet and Heater To Auxiliary Water Pump
Application 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 an
Bullet Point 4 Resistant to heat, salt, road debris, oil and other contaminants.
Centerline Length Inches 13.2500
Centerline Length Metric 33.6550000
Color Black
Country of Origin Tr
Hose End 1 Inside Diameter Inches 1.0900
Hose End 1 Inside Diameter Metric 2.7686000
Hose End 2 Inside Diameter Inches 0.7500
Hose End 2 Inside Diameter Metric 1.9050000
Hose End 3 Inside Diameter Inches 0.0000
Hose End 3 Inside Diameter Metric 0.0000000
Hose End 4 Inside Diameter Inches 0.0000
Hose End 4 Inside Diameter Metric 0.0000000
Hose End 5 Inside Diameter Inches 0.0000
Hose End 5 Inside Diameter Metric 0.0000000
Hose Material Epdm
Hose Type Single
Item Height 2.0000
Item Length 13.0000
Item Level GTIN 843266075005
Item Qty 1
Item Quantity Size 1
Item Quantity Size UOM Ea
Item UOM Ea
Item Weight 0.3050
Item Weight Unit UOM Lb
Fits BMW · 7 vehicles

OE direct replacement. Matches the original hose and assembly design for easier installation.

EPDM construction. Resists heat, salt, road debris, oil, and other contaminants.

Quick-connect fitting. Helps reduce installation time and avoids cutting or refitting.

Cross-references 64216928591 for the same application. See all 1.

$31.10Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Step 2 — Quantity
Order total $31.10
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

OE Heater Hose for BMW Cooling System Service

Rein CHH0477 is an OE-quality heater hose built for European vehicle cooling system repairs. It is a direct replacement for the original hose assembly, with the correct branch shape and thermoplastic quick connect fitting for a clean service fit on BMW applications.

Compatible With 2009-2010 BMW 335d heater to auxiliary water pump and 2006 BMW 323i, 325i, 325xi, 330i, and 330xi auxiliary water pump inlet service. The Rein CHH0477 heater hose is made from EPDM and finished in black for a factory-style replacement.

Key Features

  • Direct OE-style replacement for the original heater hose assembly
  • Reduces installation time by matching the factory hose layout
  • No cutting, refitting, or adjusting the hose during installation
  • Thermoplastic quick connect fitting helps prevent leaks from reused connectors and O-rings
  • EPDM construction resists heat, salt, road debris, oil, and other contaminants
  • Designed for BMW heater hose service where the original routing and connection style matter

Detailed Product Description

Rein Automotive CHH0477 is engineered as an OE replacement heater hose for BMW cooling system repairs. It follows the original hose dimensions and branch geometry, including the quick connect interface, so the replacement matches the factory configuration instead of requiring modification. This makes it a practical choice for BMW 335d heater to auxiliary water pump service and for 2006 BMW 323i, 325i, 325xi, 330i, and 330xi auxiliary water pump inlet applications.

Built from EPDM and measuring 13.25 inches centerline length, this Rein heater hose is designed for dependable fitment in European vehicle HVAC and cooling system service. Rein CHH0477 supports a cleaner repair by using the correct OE-style connection points and avoiding the common issues that come from reusing aged connectors.

This part cross-references BMW 64216928591 for the same application.

Common Problems This Part Can Help Address

  • Coolant leaks at the heater hose connection
  • Cracked or hardened original hose material
  • Failed quick connect fittings or worn O-rings
  • Improper hose fit after previous repairs
  • Cooling system service on BMW heater-to-pump or auxiliary pump inlet routing

Installation Notes and Tips

Verify the vehicle’s hose routing and connection style before installation. This hose is application-specific and is not a universal cut-to-fit part. Because the hose is built to OE dimensions, installation should not require trimming or reshaping. Inspect mating surfaces, connectors, and sealing points before assembly to help ensure a proper seal.

Quality Assurance

Rein Automotive positions this hose as an OE-quality replacement for European vehicles, with factory-matched size, shape, and quick connect design. Part number CHH0477 is backed by a 24-month or 24,000-mile warranty.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2010BMW335d3.0LL6DIESELHeater To Auxiliary Water PumpTo 12/09
2009BMW335d3.0LL6DIESELHeater To Auxiliary Water Pump
2006BMW323i2.5LL6Auxiliary Water Pump Inlet
2006BMW325i3.0LL6Auxiliary Water Pump Inlet
2006BMW325xi3.0LL6Auxiliary Water Pump Inlet
2006BMW330i3.0LL6Auxiliary Water Pump Inlet
2006BMW330xi3.0LL6Auxiliary Water Pump Inlet
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
64216928591