HomeBelts and Cooling > Hoses and PipesDorman 902-811 Engine Coolant Bypass Pipe
Part #: 902-811

Dorman 902-811 Engine Coolant Bypass Pipe

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8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Ford and Mazda, Escape and Tribute
Easy Returns — Return within 60 days for a full refund
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Durable Engine Coolant Bypass Pipe for Ford Escape and Mazda Tribute

The Dorman 902-811 Engine Coolant Bypass Pipe is designed to provide reliable coolant flow management for select Ford Escape and Mazda Tribute models. Constructed from durable black plastic, this bypass pipe includes essential sealing components to ensure a secure and leak-free installation.

  • Made from high-quality black plastic for corrosion resistance
  • Includes O-ring and gasket for effective sealing
  • Features two bolt holes with 0.3 inch diameter for secure mounting
  • Outlet diameter measures 1.3 inches for proper coolant flow
  • Package contains water outlet with O-ring, gasket, and connector hose

Product Details and Specifications

The Dorman 902-811 Engine Coolant Bypass Pipe is engineered to meet the cooling system requirements of Ford Escape and Mazda Tribute vehicles. Its black plastic construction offers durability and resistance to heat and corrosion commonly found in engine compartments. The included O-ring and gasket ensure a tight seal between the bypass pipe and engine components, preventing coolant leaks. With two bolt holes sized at 0.3 inches in diameter, the pipe mounts securely to the engine assembly. The 1.3-inch outlet diameter is designed to maintain proper coolant flow, supporting engine temperature regulation.

Compatible Vehicles and Applications

This engine coolant bypass pipe is compatible with the following vehicles:

  • Ford Escape
  • Mazda Tribute

It is intended for use in the engine cooling system to redirect coolant flow, helping maintain optimal engine temperature and prevent overheating.

Common Issues Addressed by This Bypass Pipe

  • Coolant leaks caused by cracked or damaged bypass pipes
  • Overheating due to restricted or faulty coolant flow
  • Corrosion-related failures in older plastic bypass pipes
  • Loose or ineffective seals leading to coolant loss
  • Replacement of worn or broken engine coolant components

Installation Notes and Tips

When installing the Dorman 902-811 Engine Coolant Bypass Pipe, ensure the engine is cool before beginning work. Verify that the included O-ring and gasket are properly seated to prevent leaks. Use the two bolt holes to securely fasten the pipe to the engine block, tightening bolts to manufacturer torque specifications. Inspect surrounding hoses and connectors for wear and replace as necessary to maintain system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-811 Engine Coolant Bypass Pipe undergoes quality inspections to ensure durability and performance. This part includes a limited warranty covering defects in material and workmanship, providing confidence in its reliability for Ford Escape and Mazda Tribute cooling system repairs.

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordEscape3.0LV6N/A
2004MazdaTribute3.0LV6N/A
2003FordEscape3.0LV6N/A
2003MazdaTribute3.0LV6N/A
2002FordEscape3.0LV6N/A
2002MazdaTribute3.0LV6N/A
2001FordEscape3.0LV6N/A
2001MazdaTribute3.0LV6N/A

* 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:

AJ031517ZCH9811YL8Z8548BL

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