HomeHVAC > Hoses and PipesRein CHH0442 HVAC Heater Hose - Engine Inlet To Water Valve
Part #: CHH0442

Rein CHH0442 HVAC Heater Hose - Engine Inlet To Water Valve

Engine Inlet To Water Valve
8 vehicles fit this part
Select your vehicle to confirm fitment
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 525i, 530i, and 528i
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Rein HVAC Heater Hose CHH0442

The Rein HVAC Heater Hose CHH0442 is designed specifically for BMW 525i, 528i, and 530i models. Engineered to reduce installation time, this hose requires no cutting, refitting, or adjusting, making it a reliable replacement part for your vehicle's heating system.

  • Reduces installation time with application-specific design
  • No cutting, refitting, or adjusting required
  • Prevents leaks by avoiding reuse of old quick connectors
  • Resistant to heat, salt, road debris, oil, and contaminants
  • Constructed from durable EPDM hose material

Product Details and Specifications

The Rein CHH0442 heater hose features a centerline length of 28.38 inches (72.09 cm) and is constructed from EPDM, a material known for its resistance to heat and chemical exposure. The hose ends have precise diameters: one end measures 0.75 inches (inside diameter) and 0.98 inches (outside diameter), while the other end measures 0.88 inches (inside diameter) and 1.14 inches (outside diameter). This single hose meets SAE J20R4-D2 industry standards, ensuring compatibility and durability for HVAC systems in BMW 525i, 528i, and 530i vehicles. The hose is black in color and packaged in a bag container type.

Compatible Vehicles and Applications

This HVAC heater hose is application-specific and compatible with the following BMW models:

  • BMW 525i
  • BMW 528i
  • BMW 530i

It is designed to replace original equipment hoses, providing a direct fit without modification.

Common Issues Addressed by Rein CHH0442

  • Leaks caused by worn or damaged heater hoses
  • Installation delays due to hose modification requirements
  • Failures from reusing old quick connectors
  • Degradation from exposure to heat, oil, and road contaminants
  • Incompatibility with non-application-specific hoses

Installation Notes and Tips

Installation of the Rein CHH0442 heater hose is straightforward due to its application-specific design. No cutting or refitting is necessary, which reduces labor time and potential errors. Ensure that all old quick connectors are replaced to prevent leaks. Verify hose end diameters match your vehicle’s specifications before installation. Use appropriate clamps and check for secure connections after installation.

Quality Assurance and Warranty

Manufactured to meet SAE J20R4-D2 standards, the Rein CHH0442 heater hose offers reliable performance under demanding conditions. The EPDM material provides resistance to heat, salt, oil, and road debris, contributing to long service life. This product is made in Turkey and undergoes quality control to ensure fitment and durability. Warranty details should be confirmed with the distributor or manufacturer.

BrandRein
Part NumberCHH0442
Application TypeApplication Specific
Centerline Length Inches28.3800
Centerline Length Metric72.0852000
ColorBlack
Container TypeBG
Country of OriginTR
Heat Shield IncNo
Hose End 1 Inside Diameter Inches0.7500
Hose End 1 Inside Diameter Metric1.9050000
Hose End 1 Outside Diameter Inches0.9800
Hose End 1 Outside Diameter Metric2.4892000
Hose End 2 Inside Diameter Inches0.8800
Hose End 2 Inside Diameter Metric2.2352000
Hose End 2 Outside Diameter Inches1.1400
Hose End 2 Outside Diameter Metric2.8956000
Hose End 3 Inside Diameter Inches0.0000
Hose End 3 Inside Diameter Metric0.0000000
Hose End 4 Inside Diameter Inches0.0000
Hose End 4 Inside Diameter Metric0.0000000
Hose End 5 Inside Diameter Inches0.0000
Hose End 5 Inside Diameter Metric0.0000000
Hose MaterialEPDM
Hose TypeSingle
Industry StandardsSAE J20R4 -D2
Item Height5.5000
Item Length16.0000
Item Level GTIN843266068014
Item Qty1
Item UOMEA
Item Weight0.5300
Item Weight Unit UOMLB
Item Width7.0000
Link to Manufacturer Pagewww.reinautomotive.com
Maximum Working Pressure50.0000
Product Desc Extended 240Rein heater 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 40Rein Heater Hose
Product Desc Long 80Rein OE Quality Heater Hose
Product Desc Short 20Heater Hose
Protective Shield IncNo
Qty of Quick Connect Fittings1
Tech NoteComplete OE Quality Direct Fit European Hose
Warranty Distance24000
Warranty Time24

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003BMW525i2.5LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
2003BMW530i3.0LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
2002BMW525i2.5LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
2002BMW530i3.0LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
2001BMW525i2.5LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
2001BMW530i3.0LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
2000BMW528i2.8LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.
1999BMW528i2.8LL6Engine Inlet To Water ValveQuick Connectors included for easy installation of HVAC heater hose.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.