HomeBelts and Cooling > Hoses and PipesRein CHR0721 Radiator Coolant Hose - Upper
Part #: CHR0721

Rein CHR0721 Radiator Coolant Hose - Upper

Upper
⚙️ 15 vehicles fit this part
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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: Mercedes-Benz, GL450, GL550, and ML550
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Radiator Coolant Hose for Mercedes-Benz GL450, GL550, ML550

The Rein CHR0721 radiator coolant hose is engineered for direct replacement in select Mercedes-Benz models, including the GL450, GL550, and ML550. Designed to reduce installation time and prevent common coolant system issues, this hose offers a durable and precise fit for your vehicle's cooling needs.

Key Features of Rein Radiator Coolant Hose CHR0721

  • Application-specific design for Mercedes-Benz GL450, GL550, and ML550
  • Reduces installation time with no cutting, refitting, or adjusting required
  • Prevents leaks and eliminates issues from reusing old quick connectors
  • Resistant to heat, salt, road debris, oil, and other contaminants
  • Durable black single hose construction

Durable and Precise Radiator Hose Replacement

The Rein CHR0721 radiator hose is manufactured to OE quality standards, ensuring a direct fit without modification. Its robust construction withstands harsh conditions such as high engine temperatures and exposure to road salt and oil, which helps maintain the integrity of your vehicle’s cooling system. The hose’s single-piece design simplifies installation and reduces the risk of leaks caused by improper fitting or damaged connectors.

Common Cooling System Issues Addressed

  • Coolant leaks due to worn or damaged hoses
  • Extended installation times caused by non-specific hose designs
  • Failures from reusing old or incompatible quick connectors
  • Degradation from exposure to heat, oil, and road contaminants
  • Inconsistent coolant flow affecting engine temperature regulation

Installation Notes and Tips

The Rein CHR0721 radiator coolant hose is designed for a straightforward installation process with no need for cutting or adjustments. Ensure the old hose and connectors are fully removed to prevent leaks. Inspect the cooling system for any additional wear or damage during replacement. Using the correct part number CHR0721 guarantees compatibility with Mercedes-Benz GL450, GL550, and ML550 models.

Quality Assurance and Warranty

Rein provides a 24-month or 24,000-mile warranty on the CHR0721 radiator hose, reflecting confidence in its durability and performance. Manufactured in Turkey, this hose meets stringent quality standards to support reliable vehicle operation and reduce the likelihood of premature failure.

BrandRein
Part NumberCHR0721
Application TypeApplicationspecific
Bullet Point 1Reduces installation time.
Bullet Point 2No cutting, refitting or adjusting the hose.
Bullet Point 3Prevents leaks and comebacks from reusing old quick connectors an
Bullet Point 4Resistant to heat, salt, road debris, oil and other contaminants.
ColorBlack
Container TypeBg
Country of OriginTr
Heat Shield IncNo
Hose TypeSingle
Item Height3.0000
Item Length19.0000
Item Level GTIN888544108921
Item Qty1
Item Quantity Size1
Item Quantity Size UOMEa
Item UOMEa
Item Weight Unit UOMLb
Item Width7.0000
Product Desc Extended 240Rein oe quality radiator hoses are designed to be direct replacem
Product Desc Invoice 40Rein radiator hose
Product Desc Long 80Rein oe quality radiator hose
Product Desc Short 20Radiator hose
Protective Shield IncNo
Warranty Distance24000
Warranty Time24

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012Mercedes-BenzGL4504.7LV8Upper
2012Mercedes-BenzGL5505.5LV8Upper
2011Mercedes-BenzGL4504.7LV8Upper
2011Mercedes-BenzGL5505.5LV8Upper
2011Mercedes-BenzML5505.5LV8Upper
2010Mercedes-BenzGL4504.7LV8Upper
2010Mercedes-BenzGL5505.5LV8Upper
2010Mercedes-BenzML5505.5LV8Upper
2009Mercedes-BenzGL4504.7LV8Upper
2009Mercedes-BenzGL5505.5LV8Upper
2009Mercedes-BenzML5505.5LV8Upper
2008Mercedes-BenzGL4504.7LV8Upper
2008Mercedes-BenzGL5505.5LV8Upper
2008Mercedes-BenzML5505.5LV8Upper
2007Mercedes-BenzGL4504.7LV8Upper

* 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:

1645010682

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