1. Car & Truck Engine Radiators Deals
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  3. GATES SX-1127

GATES SX-1127 Engine Coolant Thermostat P3500 3.9L 4.3L 4.8L 5.7L

fits make: Gmc. year: 1979–1995.

Sx-1127 Gates Engine Coolant Thermostat For 1979-1995 Gmc P3500 3.9l 4.3l 4.8l 5.7l Vu

( Brand: Gates ), ( Manufacturer Part Number: SX-1127 ), ( Type: Engine Coolant Thermostat ), ( Placement On Vehicle: Belts Cooling Thermostat Housing ), ( Manufacturer Warranty: Recommended Service Interval ), ( Item Height: 2.750 ), ( Ipn: C193 20-20 ), ( Compatible Model: P3500 ), ( Compatible Year: 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 ), ( 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 Gmc 3.9l 4.3l 4.8l 5.7l Vu fits 1979–1995

The Gates SX-1127 engine coolant thermostat is an essential component for maintaining optimal engine temperature in select GMC P3500 models manufactured between 1979 and 1995. This thermostat is designed for engines with displacements ranging from 3.9L to 5.7L and 4.3L V8, as well as the 4.8L Vortec 4800 series engines.

The Gates SX-1127 thermostat features a robust, durable design with a 12-cup coolant capacity. It is manufactured using high-quality materials, ensuring superior performance and longevity. The thermostat housing is made of sturdy metal, providing excellent resistance to corrosion and wear.

The thermostat itself is a heat-sensitive component, designed to regulate the flow of coolant to the engine. The integrated temperature sensor accurately measures engine temperature, and when the engine reaches its optimal operating temperature, the thermostat opens to allow coolant to circulate through the engine. This helps maintain an optimal temperature, ensuring efficient engine performance and reducing the risk of overheating.

The Gates SX-1127 engine coolant thermostat is a direct replacement for the original equipment on the specified GMC P3500 models. It comes with all necessary hardware for installation, making the replacement process straightforward and hassle-free. Additionally, it meets or exceeds OEM specifications, ensuring a perfect fit and reliable operation.

In summary, the Gates SX-1127 engine coolant thermostat is an essential upgrade for select GMC P3500 models. Its robust design, accurate temperature regulation, and easy installation make it an excellent choice for those seeking improved engine performance and longevity. With its high-quality construction and compatibility with various engine sizes, the Gates SX-1127 engine coolant thermostat is a must-have for any GMC P3500 owner.

The Gates SX-1127 engine coolant thermostat is a popular aftermarket option for various GMC trucks produced between 1979 and 1995 with engines ranging from 3.9L to 5.7L and V8 configurations (VU). This thermostat is known for its durability and temperature control capabilities. Let's discuss some potential pros and cons that might help you make an informed decision before purchasing.

Pros:

1. Improved Temperature Control: The Gates SX-1127 thermostat is designed to provide better temperature control and maintain engine operating temperatures within the optimal range. This can help improve engine performance and longevity.

2. Enhanced Durability: The thermostat's construction is typically more robust than OEM parts, which can help reduce the likelihood of failures and the need for frequent replacements.

3. Easy Installation: The installation process for this thermostat is generally straightforward and can be completed by most DIY enthusiasts with minimal tools.

Cons:

1. Potential Temperature Swings: Some users have reported that this thermostat can cause noticeable temperature swings, which may lead to comfort issues or potential concerns regarding engine cooling efficiency.

2. Potential Leaks: Like any other thermostat, there is a risk of leaks occurring, especially during installation or if the gasket is not properly sealed. Regular inspections and maintenance are crucial to prevent any potential issues.

3. Potential Compatibility Concerns: While the Gates SX-1127 thermostat is a popular choice for many GMC trucks, it's essential to ensure compatibility with your specific engine and model year before making a purchase.

In conclusion, the Gates SX-1127 engine coolant thermostat can be an excellent investment for GMC truck owners seeking better temperature control and durability. However, potential consumers should be aware of potential temperature swings, compatibility concerns, and the risk of leaks. To mitigate these risks, it's essential to ensure proper installation and regular inspections and maintenance.

My recommendation would be to carefully consider the benefits and potential drawbacks before purchasing the Gates SX-1127 engine coolant thermostat. If you believe the benefits outweigh the potential risks for your specific application, then it may be a worthwhile investment. Alternatively, you might consider consulting with a mechanic or other knowledgeable sources to help confirm compatibility and potential concerns before making a final decision.

Details:

Gates Engine Coolant Thermostat for 1979 1995 GMC P3500 3.9L 4.3L 4.8L 5.7L vu: Status: In Stock.

part #: sx1127 prices

  • $18.24-$62.10

specifications radiatoranch:

  • for makes: Gmc
  • for years: 1979-1995
  • brand: Gates
  • mpn: Sx-1127
  • type: Engine Coolant Thermostat
  • placement on vehicle: Belts Cooling Thermostat Housing
  • manufacturer warranty: Recommended Service Interval
  • item height: 2.750
  • ipn: C193 20-20
  • compatible model: P3500
  • compatible year: 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983
  • core charge: Free No Core Charge
  • fitment type: Direct Replacement
  • bundle description: 1 Pc Genuine Gates Engine Coolant Thermostat

returns radiatoranch:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

payments radiatoranch:

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shipping radiatoranch:

  • transit: 4-6 Days
  • cost: $0.00
  • type: Fixed
  • class: Standard, Expedited
  • service: Standard, Expedited

offer radiatoranch:

  • options: Ship-to-home
  • quantity: 10
  • started: October 4, 2025
  • sold: 0
  • availability: In Stock

general radiatoranch:

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

seller radiatoranch:

  • # reviews: 576433
  • rating: 98.9%
  • city: Indianapolis, Indiana
for makes: gmc, for years: 1979-1995, type: engine coolant thermostat, placement on vehicle: belts cooling thermostat housing, manufacturer warranty: recommended service interval, item height: 2.750, compatible model: p3500, compatible year: 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983, 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: 9440743609756792,

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