HomeBelts and Cooling > Hoses and PipesGenuine 99710662105 Radiator Coolant Hose - Lower Left
Part #: 99710662105

Genuine 99710662105 Radiator Coolant Hose - Lower Left

Lower Left
57 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$54.71Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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: Porsche, 911, Boxster, and Cayman
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 Porsche 911, Boxster, and Cayman

The Genuine radiator coolant hose with part number 99710662105 is designed specifically for Porsche vehicles including the 911, Boxster, and Cayman models. This hose ensures proper coolant flow and helps maintain optimal engine temperature under various driving conditions.

  • Compatible with Porsche 911, Boxster, and Cayman models
  • Genuine part number 99710662105 for precise fitment
  • Constructed to withstand high engine temperatures and pressure
  • Durable material resists cracking and leaks
  • Essential component for maintaining engine cooling system integrity

Product Details and Specifications

This radiator coolant hose is engineered to meet the exact specifications required by Porsche for the 911, Boxster, and Cayman series. Manufactured as a Genuine part, it offers reliable performance and durability. The hose is designed to handle the thermal and mechanical stresses typical in high-performance engines, ensuring consistent coolant circulation. Using part number 99710662105 guarantees compatibility and helps avoid common issues related to improper fit or substandard materials.

Common Applications and Problem Resolution

  • Replaces worn or cracked radiator coolant hoses in Porsche 911, Boxster, and Cayman
  • Prevents coolant leaks that can lead to engine overheating
  • Restores proper coolant flow for efficient engine temperature regulation
  • Addresses hose swelling or softening caused by prolonged heat exposure
  • Eliminates coolant contamination risks from deteriorated hose material

Installation Notes and Tips

When installing the Genuine radiator coolant hose 99710662105, ensure the engine is cool to avoid burns. Inspect all hose clamps and connections for wear and replace if necessary to maintain a secure seal. Properly route the hose to prevent kinks or contact with moving parts. Verify coolant levels and check for leaks after installation to confirm system integrity.

Quality Assurance and Warranty

As a Genuine Porsche part, the radiator coolant hose 99710662105 meets strict quality standards for fit, form, and function. It is manufactured to OEM specifications to ensure reliable performance and durability. Warranty coverage details should be confirmed with the parts provider or Porsche dealer.

This part fits 57 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2012Porsche911Targa 4Lower LeftSupply
2012Porsche911Targa 4SLower LeftSupply
2012Porsche911Carrera GTSLower LeftSupply
2012Porsche911Carrera 4 GTSLower LeftSupply
2012Porsche911CarreraLower LeftSupply
2012Porsche911Carrera 4Lower LeftSupply
2012Porsche911Carrera 4SLower LeftSupply
2012Porsche911Carrera SLower LeftSupply
2012PorscheBoxsterLower LeftSupply
2012PorscheCaymanLower LeftSupply
2011Porsche911Targa 4Lower LeftSupply
2011Porsche911Targa 4SLower LeftSupply
2011Porsche911Carrera GTSLower LeftSupply
2011Porsche911CarreraLower LeftSupply
2011Porsche911Carrera 4Lower LeftSupply
2011Porsche911Carrera 4SLower LeftSupply
2011Porsche911Carrera SLower LeftSupply
2011PorscheBoxsterLower LeftSupply
2011PorscheCaymanLower LeftSupply
2010Porsche911Targa 4Lower LeftSupply
2010Porsche911Targa 4SLower LeftSupply
2010Porsche911CarreraLower LeftSupply
2010Porsche911Carrera 4Lower LeftSupply
2010Porsche911Carrera 4SLower LeftSupply
2010Porsche911Carrera SLower LeftSupply
2010PorscheBoxsterLower LeftSupply
2010PorscheCaymanLower LeftSupply
2009Porsche911Targa 4Lower LeftSupply
2009Porsche911Targa 4SLower LeftSupply
2009Porsche911CarreraLower LeftSupply
2009Porsche911Carrera 4Lower LeftSupply
2009Porsche911Carrera 4SLower LeftSupply
2009Porsche911Carrera SLower LeftSupply
2009PorscheBoxsterLower LeftSupply
2009PorscheCaymanLower LeftSupply
2008Porsche911Targa 4Lower LeftSupply
2008Porsche911Targa 4SLower LeftSupply
2008Porsche911CarreraLower LeftSupply
2008Porsche911Carrera 4Lower LeftSupply
2008Porsche911Carrera 4SLower LeftSupply
2008Porsche911Carrera SLower LeftSupply
2008PorscheBoxsterLower LeftSupply
2008PorscheCaymanLower LeftSupply
2007Porsche911Targa 4Lower LeftSupply
2007Porsche911Targa 4SLower LeftSupply
2007Porsche911CarreraLower LeftSupply
2007Porsche911Carrera 4Lower LeftSupply
2007Porsche911Carrera 4SLower LeftSupply
2007Porsche911Carrera SLower LeftSupply
2007PorscheBoxsterLower LeftSupply
2007PorscheCaymanLower LeftSupply
2006Porsche911Lower LeftSupply
2006PorscheBoxsterLower LeftSupply
2006PorscheCaymanLower LeftSupply
2005Porsche911CarreraLower LeftSupply
2005Porsche911Carrera SLower LeftSupply
2005PorscheBoxsterLower LeftSupply

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