Dorman 902-5423 Engine Coolant Pipe

Brand Dorman 902-5423
Color Black
Coolant Hose Heat Shield Included No Heat Shield Required
Coolant Hose Protective Sleeve Included No Protective Sleeve Required
Coolant Hose Type Single I.D. (Inside Diameter)
End 1 Inside Diameter 1.2
End 2 Inside Diameter 1.2
Hose End (1) Outside Diameter (In) 1.56 in
Hose End (2) Outside Diameter (In) 1.56 in
Length 14.125
Material Plastic
Maximum Working Pressure (psi) 50 PSI
Package Contents Coolant Tube; O-rings
Fits Volkswagen · 4 vehicles

OE direct replacement. Matches original fit and function to restore leak-free cooling performance.

Durable plastic construction. Built to withstand harsh underhood conditions.

Includes O-rings. Package contents also include the coolant tube.

Cross-references Genuine 022121050A and Motorad CH3423 for the same application. See all 2.

$41.64Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Pipe for Touareg Cooling Repair

This Dorman engine coolant pipe is built to match the fit and function of the original equipment pipe, helping restore leak-free cooling system performance. It is a direct replacement for 2004-2007 Volkswagen Touareg models equipped with air conditioning, including applications that need a durable plastic coolant tube for underhood service.

  • Direct replacement engine coolant pipe for OE-style fit and function
  • Durable plastic construction in black finish
  • 14.125 in. overall length
  • 1.2 in. inside diameter at both ends
  • Rated for up to 50 PSI working pressure
  • Package contents include coolant tube and O-rings
  • Cross-references Genuine 022121050A and Motorad CH3423 for the same application

Detailed Product Overview

Dorman 902-5423 is an engine coolant pipe designed for Volkswagen Touareg cooling system repair where the original pipe has cracked, leaked, or deteriorated. The pipe is made from plastic and engineered to match the original part’s dimensions, including a 14.125-inch length and 1.2-inch inside diameter at both ends. Its black finish and OE-style construction support a clean replacement on 2004-2007 Volkswagen Touareg vehicles equipped with air conditioning. If you are searching for a Volkswagen Touareg coolant pipe replacement or Dorman 902-5423 engine coolant pipe, this part addresses the same application as the factory component.

What This Part Helps Fix

  • Coolant leaks from a cracked or aging coolant pipe
  • Loss of cooling system pressure
  • Overheating caused by coolant loss
  • Damaged OE pipe fitment on Volkswagen Touareg cooling systems
  • Service issues related to worn pipe seals or O-rings

Installation Notes and Tips

Verify vehicle equipment before ordering: this part fits 2004-2007 Volkswagen Touareg, N/A, for vehicles equipped with air conditioning. Confirm hose end dimensions and routing against the original pipe before installation. Replace the included O-rings during service and inspect adjacent hoses, clamps, and sealing surfaces for wear or contamination that could affect the repair.

Quality Assurance

Dorman tests this coolant pipe for quality and builds it to withstand harsh underhood conditions. The part is engineered to restore leak-free cooling system performance and provide an OE-style replacement for the original pipe on the listed Volkswagen Touareg applications. Part number 902-5423 is also referenced by Genuine 022121050A and Motorad CH3423.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007VolkswagenTouareg3.2LV6N/AFor vehicles equipped with Air Conditioning
2006VolkswagenTouareg3.2LV6N/AFor vehicles equipped with Air Conditioning
2005VolkswagenTouareg3.2LV6N/AFor vehicles equipped with Air Conditioning
2004VolkswagenTouareg3.2LV6N/AFor vehicles equipped with Air Conditioning
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Genuine — 022121050AMotorad — CH3423