HomeBelts and Cooling > Hoses and PipesRein CHK0401R Radiator Coolant Hose Kit - Lower
Part #: CHK0401R

Rein CHK0401R Radiator Coolant Hose Kit - Lower

Lower
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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, 525xi, 530i, and 530xi
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Rein Radiator Coolant Hose Kit CHK0401R

The Rein Radiator Coolant Hose Kit CHK0401R is designed specifically for BMW 525i, 525xi, 530i, and 530xi models. This application-specific hose kit ensures a precise fit and reliable performance in your vehicle's cooling system.

  • Prevents leaks and comebacks by avoiding reuse of old quick connectors
  • Temperature sensor preinstalled to reduce installation time
  • No cutting, refitting, or adjusting required for the hose
  • Constructed from heat, salt, oil, and road debris resistant EPDM material
  • Complies with SAE J20R4-D2 industry standards for durability and safety

Detailed Product Description

The Rein CHK0401R radiator coolant hose kit is engineered with EPDM hose material, known for its resistance to heat, oil, salt, and road contaminants. Measuring approximately 10.63 inches (27 cm) in centerline length, this single hose features consistent inside diameters of 1.81 inches (4.6 cm) and outside diameters of 2.05 inches (5.2 cm) on both ends, ensuring a secure and leak-free connection. The kit comes with a preinstalled temperature sensor, streamlining the installation process and eliminating the need for additional modifications such as cutting or refitting. Manufactured in Turkey, this hose kit meets SAE J20R4-D2 standards, providing reliable performance under demanding conditions.

Compatible Vehicles and Applications

This radiator coolant hose kit is compatible with the following BMW models:

  • BMW 525i
  • BMW 525xi
  • BMW 530i
  • BMW 530xi

It is designed for application-specific use, ensuring proper fitment and function within the cooling system of these vehicles.

Common Issues Addressed by This Hose Kit

  • Leaks caused by worn or damaged radiator hoses
  • Failures due to degraded quick connectors
  • Extended installation times from sensor installation
  • Hose damage from exposure to heat, oil, and road debris
  • Improper hose fitment requiring cutting or adjustment

Installation Notes and Tips

The Rein CHK0401R hose kit is designed for straightforward installation with no need for cutting or refitting. The preinstalled temperature sensor reduces installation time and complexity. Ensure all old quick connectors are replaced to prevent leaks. Verify hose orientation and secure all clamps tightly to maintain system integrity.

Quality Assurance and Warranty

Rein radiator coolant hoses are manufactured to meet SAE J20R4-D2 standards, ensuring durability and resistance to common automotive contaminants. While specific warranty details are not provided, Rein products typically adhere to strict quality control processes to maintain consistent performance and reliability.

BrandRein
Part NumberCHK0401R
Application TypeApplication Specific
Centerline Length Inches10.6300
Centerline Length Metric27.0002000
ColorBlack
Container TypeBG
Country of OriginTR
Heat Shield IncNo
Hose End 1 Inside Diameter Inches1.8100
Hose End 1 Inside Diameter Metric4.5974000
Hose End 1 Outside Diameter Inches2.0500
Hose End 1 Outside Diameter Metric5.2070000
Hose End 2 Inside Diameter Inches1.8100
Hose End 2 Inside Diameter Metric4.5974000
Hose End 2 Outside Diameter Inches2.0500
Hose End 2 Outside Diameter Metric5.2070000
Hose MaterialEPDM
Hose TypeSingle
Industry StandardsSAE J20R4 -D2
Item Height2.5000
Item Length10.5000
Item Level GTIN843266038871
Item Qty1
Item UOMEA
Item Weight0.5200
Item Weight Unit UOMLB
Item Width4.0000
Link to Manufacturer Pagewww.reinautomotive.com
Maximum Working Pressure120.0000
Product Desc Invoice 40Rein Radiator Hose Kit
Product Desc Long 80Rein OE Quality Radiator Hose Kit
Product Desc Short 20Radiator Hose Kit
Protective Shield IncNo
Qty of Quick Connect Fittings2
Tech NoteComplete OE Quality Direct Fit European Hose

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007BMW525i3.0LL6LowerIncludes temperature switch and quick connectors
2007BMW525xi3.0LL6LowerIncludes temperature switch and quick connectors
2007BMW530i3.0LL6LowerIncludes temperature switch and quick connectors
2007BMW530xi3.0LL6LowerIncludes temperature switch and quick connectors
2006BMW525i3.0LL6LowerIncludes temperature switch and quick connectors
2006BMW525xi3.0LL6LowerIncludes temperature switch and quick connectors
2006BMW530i3.0LL6LowerIncludes temperature switch and quick connectors
2006BMW530xi3.0LL6LowerIncludes temperature switch and quick connectors

* 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.