Rein CHH0285R HVAC Heater Hose - Heater Valve To Auxiliary Water Pump

Brand Rein CHH0285R
Position Heater Valve To Auxiliary Water Pump
Application Type Application Specific
Centerline Length Inches 12.8100
Centerline Length Metric 32.5374000
Color Black
Container Type BG
Country of Origin TR
Heat Shield Inc No
Hose End 1 Inside Diameter Inches 0.6700
Hose End 1 Inside Diameter Metric 1.7018000
Hose End 1 Outside Diameter Inches 0.9500
Hose End 1 Outside Diameter Metric 2.4130000
Hose End 2 Inside Diameter Inches 0.6700
Hose End 2 Inside Diameter Metric 1.7018000
Hose End 2 Outside Diameter Inches 0.9500
Hose End 2 Outside Diameter Metric 2.4130000
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
Industry Standards SAE J20R4 -D2
Item Height 3.0000
Item Length 12.5000
Item Level GTIN 843266052297
Item Qty 1
Item UOM EA
Item Weight 3.2500
Item Weight Unit UOM LB
Item Width 3.2500
Link to Manufacturer Page www.reinautomotive.com
Maximum Working Pressure 50.0000
Product Desc Extended 240 Rein 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 40 Rein Heater Hose
Product Desc Long 80 Rein OE Quality Heater Hose
Product Desc Short 20 Heater Hose
Protective Shield Inc No
Tech Note Complete OE Quality Direct Fit European Hose
Warranty Distance 24000
Warranty Time 24
Fits Mercedes-Benz · 5 vehicles

OE quality direct fit. Direct replacement for OE hoses and assemblies.

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

Thermoplastic quick connects. Helps reduce installation time and avoid refitting.

Cross-references 2108325094 for the same application. See all 1.

$21.54Free 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.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $21.54
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 Mercedes-Benz E-Class

Rein CHH0285R is an OE-quality heater hose built for European cooling system service. It is a direct-fit replacement for the heater valve to auxiliary water pump connection on select 1998-1999 Mercedes-Benz E320, E430, and 1999 E55 AMG applications.

Built from EPDM with thermoplastic quick-connect fittings, this Rein heater hose follows the original hose shape and branch dimensions for a clean replacement on the Mercedes-Benz E320 and related E-Class models. The CHH0285R is made for straightforward service where the original hose has aged, cracked, or begun to leak.

Key Features

  • Application-specific OE replacement for European HVAC heater hose service
  • Direct-fit design reduces installation time
  • No cutting, refitting, or hose adjustment required
  • Thermoplastic quick-connect fittings help prevent leaks from reused connectors and O-rings
  • EPDM construction resists heat, salt, road debris, oil, and other contaminants
  • Built to SAE J20R4 -D2 standards
  • Black finish with a single-hose configuration

Detailed Description

Rein CHH0285R is engineered as a complete OE-quality direct-fit European hose for HVAC heater circuit repair. It matches the original routing and connection style used on the heater valve to auxiliary water pump line, helping restore proper coolant flow through the heater system. For owners and technicians servicing a 1998-1999 Mercedes-Benz E320, 1998-1999 Mercedes-Benz E430, or 1999 Mercedes-Benz E55 AMG, this hose provides a replacement that follows the factory layout without modification.

This part number, CHH0285R, is designed around the original equipment dimensions, including the hose ends and quick-connect interface. Rein CHH0285R is a practical choice when the existing hose shows wear, seepage, or connector damage and a direct replacement is needed for the Mercedes-Benz E-Class cooling and HVAC plumbing.

Common Problems This Hose Can Address

  • Coolant seepage at the heater hose connection
  • Cracked or brittle hose material from heat cycling
  • Damaged quick-connect fittings or worn O-rings
  • Improper fit after previous hose repairs or modifications
  • Reduced heater performance caused by restricted coolant flow

Installation Notes and Tips

Verify the vehicle application and hose routing before installation. This hose is application-specific and is made to replace the original heater valve to auxiliary water pump hose without cutting or reshaping. Inspect the mating connectors and sealing surfaces before assembly, and replace worn O-rings or damaged connectors as needed to avoid repeat leaks.

For fitment reference, this part fits 1998-1999 Mercedes-Benz E320, heater valve to auxiliary water pump; fits 1998-1999 Mercedes-Benz E430, heater valve to auxiliary water pump; and fits 1999 Mercedes-Benz E55 AMG, heater valve to auxiliary water pump.

Quality Assurance

Rein positions this hose as an OE-quality replacement for European vehicles, with construction intended to mirror the original hose assembly. It is backed by a 24-month warranty with 24,000-mile coverage.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999Mercedes-BenzE3203.2LV6Heater Valve To Auxiliary Water Pump
1999Mercedes-BenzE4304.3LV8Heater Valve To Auxiliary Water Pump
1999Mercedes-BenzE55 AMG5.5LV8Heater Valve To Auxiliary Water Pump
1998Mercedes-BenzE3203.2LV6Heater Valve To Auxiliary Water Pump
1998Mercedes-BenzE4304.3LV8Heater Valve To Auxiliary Water Pump
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
2108325094