HomeBelts and Cooling > Thermostat and HousingGates CO34908 Engine Coolant Thermostat Housing Cover
Part #: CO34908

Gates CO34908 Engine Coolant Thermostat Housing Cover

Coolant Outlet
⚙️ 30 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
📦Coolant Outlet
🚗Fitment: Ford, F-250 Super Duty and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Gates Coolant Outlet CO34908

The Gates Coolant Outlet CO34908 is a precision-engineered engine coolant thermostat housing cover designed for Ford F-250 Super Duty and F-350 Super Duty models. Manufactured from durable plastic, this thermostat cover ensures reliable coolant flow and system integrity.

  • Material: High-quality plastic construction
  • Outlet Outside Diameter: 2.03 inches
  • Outlet Inside Diameter: 1.75 inches
  • Bolt Hole Quantity: 3 for secure mounting
  • Type: Thermostat cover with no by-pass holes
  • OE Exact fit for Ford Super Duty trucks

Detailed Product Description

The Gates Coolant Outlet CO34908 is specifically designed as an engine coolant thermostat housing cover, providing a precise fit for Ford F-250 Super Duty and F-350 Super Duty vehicles. Its plastic material offers resistance to corrosion and heat, maintaining the integrity of the cooling system. The outlet dimensions, with an outside diameter of 2.03 inches and an inside diameter of 1.75 inches, are engineered to match OEM specifications, ensuring proper coolant flow. Featuring three bolt holes, this thermostat cover mounts securely without the need for additional gaskets or seals, as none are included or required. The design excludes by-pass holes, focusing on a direct coolant outlet function.

About the Gates Coolant Outlet Product Line

The Gates Coolant Outlet line includes components engineered to meet or exceed original equipment standards for cooling system parts. This product line emphasizes precise fitment and durability, making it suitable for heavy-duty applications such as Ford Super Duty trucks. The CO34908 part exemplifies this focus by providing an exact OE replacement thermostat cover that supports efficient engine temperature regulation.

Common Applications and Problem Resolution

  • Replacement of cracked or damaged thermostat housing covers
  • Resolving coolant leaks around the thermostat outlet
  • Addressing overheating issues caused by faulty thermostat covers
  • Maintaining proper coolant flow in Ford F-250 and F-350 Super Duty engines
  • Ensuring secure mounting with three-bolt design to prevent coolant loss

Installation Notes and Tips

When installing the Gates Coolant Outlet CO34908, ensure the mating surfaces are clean and free of old gasket material or debris. Although this part does not include gaskets or seals, verify the condition of existing seals and replace if necessary to prevent leaks. Tighten the three bolts evenly to the manufacturer's torque specifications to avoid warping the plastic housing. This part is designed for direct replacement on compatible Ford Super Duty models, simplifying installation.

Quality Assurance and Warranty

The Gates Coolant Outlet CO34908 is manufactured to meet original equipment standards, providing reliable performance in demanding conditions. This part is an OE exact fit, ensuring compatibility and durability. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support long-term use in Ford F-250 Super Duty and F-350 Super Duty vehicles.

BrandGates
Part NumberCO34908
PositionCoolant Outlet
MaterialPlastic
Outlet Outside Diameter2.03
Bolt Hole Quantity3
TypeThermostat cover
Gasket Quantity0
Outlet Inside Diameter1.75
98410
9848No
By-Pass HolesNo
ContentsCoolant outlet
Number of Bolt Holes3
Number of Gaskets0
Number of Seals0
OE ExactYes
Outlet Inside Diameter 1 (in)1.75
Outlet Outside Diameter 1 (in)2.03
TypeCoolant outlet

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2025FordF-250 Super Duty6.7LV8DIESELN/ACoolant Outlet
2025FordF-350 Super Duty6.7LV8DIESELN/ACoolant Outlet
2024FordF-250 Super Duty6.7LV8DIESELN/ACoolant Outlet
2024FordF-350 Super Duty6.7LV8DIESELN/ACoolant Outlet
2023FordF-250 Super Duty6.7LV8DIESELN/ACoolant Outlet
2023FordF-350 Super Duty6.7LV8DIESELN/ACoolant Outlet
2022FordF-250 Super Duty6.7LV8DIESELN/ACoolant Outlet
2022FordF-350 Super Duty6.7LV8DIESELN/ACoolant Outlet
2021FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2021FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2020FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2020FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2019FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2018FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2018FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2017FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2017FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2016FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2015FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2014FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2013FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2012FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011FordF-250 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet
2011FordF-350 Super Duty6.7LV8DIESELN/AEngine Coolant Thermostat Housing Cover - Fits multiple vehicle models.; Coolant Outlet

* 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:

86214902-1074BC3Z 8592 ACH1074

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