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  3. GATES SX-6977

GATES SX-6977 Engine Coolant Thermostat Cooling Bg 4.2L V6

fits model: F-150. make: Ford. year: 1999–2008.

Sx-6977 Gates Engine Coolant Thermostat For 1999-2008 Ford F-150 4.2l V6 Cooling Bg

( Brand: Gates ), ( Manufacturer Part Number: SX-6977 ), ( Type: Engine Coolant Thermostat ), ( Placement On Vehicle: Belts Cooling Thermostat Housing ), ( Manufacturer Warranty: Recommended Service Interval ), ( Item Height: 2.750 ), ( Ipn: C373 41-50 ), ( Compatible Year: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 ), ( Core Charge: Free No Core Charge ), ( Fitment Type: Direct Replacement ), ( Bundle Description: 1 Pc Genuine Gates Engine Coolant Thermostat )

Review GATES Engine Coolant Thermostat For Ford 4.2l V6 Cooling Bg fits F-150 1999–2008

The Gates SX-6977 Engine Coolant Thermostat is a crucial component in the cooling system of your 1999-2008 Ford F-150 with a 4.2L V6 engine. This thermostat plays a vital role in regulating the engine's operating temperature to ensure optimal performance and longevity.

The Gates SX-6977 is a high-performance thermostat designed to provide precise temperature control. Its advanced design features a durable, corrosion-resistant housing made from high-strength materials. The housing is engineered to withstand the harsh conditions of your engine bay, ensuring a long service life.

The thermostat's core is made from a high-quality, temperature-sensitive material that opens and closes as needed to control the flow of coolant to the engine. This ensures that the engine stays at an optimal operating temperature, enhancing fuel efficiency and reducing emissions.

The Gates SX-6977 is easy to install, with a straightforward bolt-on design that requires no special tools or techniques. Its OE-style design ensures a perfect fit, reducing the risk of installation errors and ensuring a seamless integration with your vehicle's cooling system.

The thermostat comes with a built-in bypass valve that allows coolant to bypass the thermostat during warm-up, ensuring that your engine gets the cooling it needs as soon as possible. This feature helps to reduce engine wear and tear during the cold start-up period, ensuring that your engine is ready to perform at its best as soon as you hit the road.

In summary, the Gates SX-6977 Engine Coolant Thermostat is a high-quality, durable component designed to provide precise temperature control for your 1999-2008 Ford F-150 with a 4.2L V6 engine. Its advanced design, easy installation, and OE-style fit make it a top choice for anyone looking to maintain the optimal performance and longevity of their vehicle's cooling system.

Buying a Gates SX-6977 engine coolant thermostat for a 1999-2008 Ford F-150 with a 4.2L V6 engine can be a viable option if you're experiencing cooling issues or looking for a proactive replacement. Below are some potential advantages and disadvantages of this choice.

Advantages:

1. Reliable brand: Gates is a well-known and reputable brand in the automotive industry, especially for cooling system components.

2. OEM-like fit: This aftermarket thermostat is designed to fit and function similar to the original equipment thermostat, ensuring proper engine temperature regulation.

3. Availability: The Gates SX-6977 is widely available from various auto parts retailers, both in-store and online.

4. Cost-effective: The aftermarket option is generally more affordable than purchasing an OEM thermostat directly from Ford.

Disadvantages:

1. Potential for variations: Since this is an aftermarket part, there may be slight differences in quality or performance compared to the OEM part.

2. Installation: Installing the thermostat yourself may require some mechanical skills and time investment.

3. No extended warranty: Unlike purchasing an OEM part directly from the manufacturer, aftermarket parts typically do not come with extended warranties.

Conclusion:

In conclusion, buying a Gates SX-6977 engine coolant thermostat for your 1999-2008 Ford F-150 4.2L V6 can be a cost-effective solution with reliable performance. However, keep in mind that it may not offer the same level of warranty coverage as an OEM part. Ultimately, the decision comes down to personal preference, budget, and the urgency of the cooling system issue. If you're comfortable with an aftermarket part and want to save some money, the Gates SX-6977 is a solid choice. If you prefer the added peace of mind that comes with an OEM part and extended warranty, you may want to consider that option instead.

Details:

Gates Engine Coolant Thermostat for 1999 - 2008 Ford F-150 4.2L V6 Cooling bg: Status: In Stock.

part #: sx6977 prices

  • $7.98-$93.17

specifications radiatoranch:

  • for models: F-150
  • for makes: Ford
  • for years: 1999-2008
  • brand: Gates
  • mpn: Sx-6977
  • type: Engine Coolant Thermostat
  • placement on vehicle: Belts Cooling Thermostat Housing
  • manufacturer warranty: Recommended Service Interval
  • item height: 2.750
  • ipn: C373 41-50
  • compatible year: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Gates Engine Coolant Thermostat

shipping radiatoranch:

  • class: Standard, Expedited
  • type: Fixed
  • cost: $0.00
  • service: Standard, Expedited
  • transit: 4-8 Days

seller radiatoranch:

  • city: Indianapolis, Indiana
  • # reviews: 559185
  • rating: 98.8%

offer radiatoranch:

  • options: Ship-to-home
  • quantity: 10
  • availability: In Stock
  • sold: 0
  • started: July 1, 2025

general radiatoranch:

  • Car Truck Parts Accessories > Engine Cooling Components > Radiators
  • condition: New

payments radiatoranch:

  • other
  • wallet: Apple-pay
  • credit card: Mastercard

returns radiatoranch:

  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted
for models: f-150, for makes: ford, for years: 1999-2008, type: engine coolant thermostat, placement on vehicle: belts cooling thermostat housing, manufacturer warranty: recommended service interval, item height: 2.750, compatible year: 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999, core charge: free no core charge, fitment type: direct replacement, bundle description: 1 pc genuine gates engine coolant thermostat,
category: auto parts > car truck parts accessories > engine cooling components > radiators, sku: 7573498879802721,

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