1985 GMC G2500 Thermostat

Part Number: 3938-05066354

Notes: Economy Thermostat -- Temperature 160 Degrees; Alternate Temperature

Part Number: 3938-05066355

Notes: Economy Thermostat -- Temperature 180 Degrees; Alternate Temperature

Part Number: 3938-05066356

Notes: Economy Thermostat -- Temperature 195 Degrees; OE Temperature

Part Number: 3938-05066363

Notes: OE Type Thermostat -- Temperature 160 Degrees; Alternate Temperature

Part Number: 3938-05066364

Notes: OE Type Thermostat -- Temperature 180 Degrees; Alternate Temperature

Part Number: 3938-05066472

Notes: OE Type Thermostat -- Temperature 190 Degrees; OE Temperature

Part Number: 3938-09104062

Notes: OE Type Thermostat -- Temperature 195 Degrees; OE Temperature

Part Number: 3938-05066707

Notes: Superstat ® Thermostat -- Temperature 160 Degrees; Alternate Temperature

Part Number: 3938-05066709

Notes: Superstat ® Thermostat -- Temperature 195 Degrees; OE Temperature

Part Number: 3938-05391971

Notes: Economy -- Temperature 160F; Alternate Temp

Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated

Part Number: 3938-05391972

Notes: Economy -- Temperature 180F; Alternate Temp

Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated

Part Number: 3938-05391973

Notes: Economy -- Temperature 195F; OEM Recommended Temp

Features:

• High grade stainless steel and copper construction
• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated

Part Number: 3938-05647364

Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; Temperature 180F; Alternate Temp

Features:

• Exclusive, patented design
• Locking technology prevents costly engine damage
• 100% tested and calibrated
• Manufactured with the highest quality materials from an OE supplier.
• Meets or exceeds OEM standards
• Manufactured with the highest quality materials from an OE supplier

Part Number: 3938-05647365

Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; Temperature 195F; OEM Recommended Temp

Features:

• Exclusive, patented design
• Locking technology prevents costly engine damage
• 100% tested and calibrated
• Manufactured with the highest quality materials from an OE supplier.
• Meets or exceeds OEM standards
• Manufactured with the highest quality materials from an OE supplier

Part Number: 3938-05647257

Notes: High Flow -- Temperature 160F; Alternate Temp

Features:

• Larger opening for increased coolant flow
• High grade stainless steel and copper construction
• Increased strength and durability
• Consistent and precise response to cooling system needs
• Meets or exceeds OEM standards
• 100% tested and calibrated

Part Number: 3938-05658756

Notes: High Flow -- Temperature 180F; Alternate Temp

Features:

• Larger opening for increased coolant flow
• High grade stainless steel and copper construction
• Increased strength and durability
• Consistent and precise response to cooling system needs
• Meets or exceeds OEM standards
• 100% tested and calibrated

Part Number: 3938-05647258

Notes: High Flow -- Temperature 195F; OEM Recommended Temp

Features:

• Larger opening for increased coolant flow
• High grade stainless steel and copper construction
• Increased strength and durability
• Consistent and precise response to cooling system needs
• Meets or exceeds OEM standards
• 100% tested and calibrated

Part Number: 3938-05391927

Notes: Standard -- Temperature 160F; Alternate Temp

Features:

• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated
• High grade stainless steel and copper construction

Part Number: 3938-05842145

Notes: Standard -- Temperature 160F; Alternate Temp

Features:

• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated
• High grade stainless steel and copper construction

Part Number: 3938-05391928

Notes: Standard -- Temperature 180F; Alternate Temp

Features:

• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated
• High grade stainless steel and copper construction

Part Number: 3938-05647270

Notes: Standard -- Temperature 180F; OEM Recommended Temp

Features:

• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated
• High grade stainless steel and copper construction

Part Number: 3938-05391929

Notes: Standard -- Temperature 195F; Includes thermostat; OEM Recommended Temp

Features:

• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated
• High grade stainless steel and copper construction

Part Number: 3938-09218046

Notes: UltraStat -- Temperature 180F; Alternate Temp

Features:

• Heavy gauge stainless steel components offer increased reliability and long-lasting durability
• Exclusive BLVT(TM) Valve Technology minimizes thermal shock to cooling system components
• Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX(TM) wax mixture provides quicker reaction time
• AccuSpring(TM) Design for stable temperature control and increased cabin comfort

Part Number: W0133-1706752

Notes: Economy

Part Number: 3938-09129029

Notes: Economy Thermostat -- 180 Degree; Alternate Temperature

Part Number: 3938-09134901

Notes: Economy Thermostat -- 195 Degree; OE Temperature

Part Number: W0133-1695333

Notes: OE Type

Product Remark: 195F

Features:

• Self-cleaning and self-aligning thermostat valve
• Original equipment design provides exact fit and performance
• Precise sealing edges reduce leakage and premature cooling
• Temperature sensitive heat motor provides consistent valve response for smooth performance and precise engine cooling
• Stainless steel assembly and springs are engineered for long life

Part Number: 3938-09119967

Notes: OE Type Thermostat -- 160 Degree; Alternate Temperature

Part Number: 3938-09130196

Notes: OE Type Thermostat -- 180 Degree; Alternate Temperature

Part Number: 3938-09163086

Notes: OE Type Thermostat -- 190 Degree; OE Temperature

Part Number: 3938-09130197

Notes: OE Type Thermostat -- 195 Degree; OE Temperature

Part Number: 3938-07598610

Notes: OE Type Thermostat -- 205 Degree; Alternate Temperature

Part Number: 3938-09133132

Notes: Premium Thermostat -- 160 Degree; Alternate Temperature

Part Number: 3938-07181061

Notes: Premium Thermostat -- 180 Degree; Alternate Temperature

Part Number: 3938-07278820

Notes: Premium Thermostat -- 195 Degree; OE Temperature

Part Number: 3938-05005473

Notes: GM Original Equipment -- New; 190 F

Features:

• Controls the flow of coolant through your vehicle's radiator to help the engine reach and maintain its optimal operating temperature
• GM-recommended replacement part for your GM vehicle's original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

Part Number: W0133-1695333

Notes: Genuine GM

Product Remark: 195 Degree

Part Number: W0133-1821986

Notes: Gold

Part Number: W0133-1682073

Notes: Gold

Product Remark: 195 Degrees

Part Number: 3938-05005463

Notes: Professional -- New; 195 DEG

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05005468

Notes: Professional -- New; 195 DEG

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: W0133-1706752

Part Number: 3938-03340215

Notes: High Performance Thermostat -- 160 deg.; Race Only

Features:

• Brass and Copper Construction
• Opens At Right Temperature
• Resists Variations In Coolant
• High Performance

Part Number: 3938-03339996

Notes: High Performance Thermostat -- 180 deg.; Race Only

Features:

• Brass and Copper Construction
• Opens At Right Temperature Regardless Of RPM
• Rated To Open At 180 Degrees

Part Number: 3938-03340003

Notes: High Performance Thermostat -- 195 deg.; Race Only

Features:

• It Is Designed For High Coolant Flow
• Constructed Of Copper And Brass
• Opens At 195 Degrees

Part Number: W0133-2051928

Notes: Gold (Professional)

Product Remark: 180F

Part Number: W0133-2051930

Notes: Gold (Professional)

Product Remark: 195F High Flow

Part Number: W0133-2056987

Notes: Gold

Part Number: W0133-2056984

Notes: Gold

Part Number: W0133-1689367

Notes: Genuine GM

Detailed Notes: Includes Gasket

Part Number: W0133-1682071

Notes: Gold

Part Number: W0133-1977594

Notes: Standard

Part Number: W0133-1984015

Notes: Standard

Part Number: W0133-1984046

Notes: OE Type

Part Number: W0133-1984015

Part Number: W0133-1984046

Part Number: W0133-1975912

Part Number: W0133-4086714

Part Number: W0133-4086715

Part Number: W0133-1984014

Notes: OE Type

Product Remark: 195F w/o Gasket

Part Number: W0133-1984015

Notes: OE Type

Part Number: W0133-1984046

Notes: OE Type

Part Number: W0133-1975912

Notes: OE Type

Product Remark: 180F

Part Number: 3938-05422912

Notes: Professional -- New; Temperature 160F; Alternate Temp; Economy

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05400032

Notes: Professional -- New; Temperature 160F; Alternate Temp; High Flow

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05435248

Notes: Professional -- New; Temperature 160F; Alternate Temp; Standard

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05400016

Notes: Professional -- New; Temperature 160F; Alternate Temp; Standard

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05422913

Notes: Professional -- New; Temperature 180F; Alternate Temp; Economy

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05400033

Notes: Professional -- New; Temperature 180F; Alternate Temp; High Flow

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05400017

Notes: Professional -- New; Temperature 180F; Alternate Temp; Standard

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05435249

Notes: Professional -- New; Temperature 180F; OEM Recommended Temp; High Flow

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05422910

Notes: Professional -- New; Temperature 180F; OEM Recommended Temp; Standard

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05400018

Notes: Professional -- New; Temperature 195F; Includes thermostat; OEM Recommended Temp; Standard

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05430394

Notes: Professional -- New; Temperature 195F; OEM Recommended Temp; Economy

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05400034

Notes: Professional -- New; Temperature 195F; OEM Recommended Temp; High Flow

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-05614160

Notes: Professional -- New; Temperature 205F; Higher Alternate Temp

Features:

• Controls the flow of coolant through the radiator to help your vehicle's engine reach and maintain its optimal operating temperature
• Professional, premium aftermarket replacement
• Provides the performance and dependability you expect from ACDelco
• Manufactured to meet expectations for fit, form, and function

Part Number: 3938-09131686

Notes: OE Type Thermostat -- 205 Degree; Alternate Temperature

Part Number: 3938-09119968

Notes: Premium Thermostat -- 180 Degree; Alternate Temperature

Part Number: 3938-09149964

Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; Temperature 160F; Alternate Temp

Features:

• Exclusive, patented design
• Locking technology prevents costly engine damage
• 100% tested and calibrated
• Manufactured with the highest quality materials from an OE supplier.
• Meets or exceeds OEM standards
• Manufactured with the highest quality materials from an OE supplier

Part Number: 3938-05105670

Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; Temperature 160F; Alternate Temp

Features:

• Exclusive, patented design
• Locking technology prevents costly engine damage
• 100% tested and calibrated
• Manufactured with the highest quality materials from an OE supplier.
• Meets or exceeds OEM standards
• Manufactured with the highest quality materials from an OE supplier

Part Number: 3938-05105670

Notes: Fail-Safe -- The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating.; Temperature 180F; OEM Recommended Temp

Features:

• Exclusive, patented design
• Locking technology prevents costly engine damage
• 100% tested and calibrated
• Manufactured with the highest quality materials from an OE supplier.
• Meets or exceeds OEM standards
• Manufactured with the highest quality materials from an OE supplier

Part Number: 3938-09078429

Notes: High Flow -- Temperature 180F; OEM Recommended Temp

Features:

• Larger opening for increased coolant flow
• High grade stainless steel and copper construction
• Increased strength and durability
• Consistent and precise response to cooling system needs
• Meets or exceeds OEM standards
• 100% tested and calibrated

Part Number: 3938-09151098

Notes: Standard -- Temperature 205F; Higher Alternate Temp

Features:

• Meets or exceeds OEM standards
• Consistent and precise response to cooling system needs
• Original equipment design for worry-free direct fit replacement
• 100% tested and calibrated
• High grade stainless steel and copper construction
• Larger opening for increased coolant flow
• Increased strength and durability

Part Number: 3938-05103993

Notes: UltraStat -- Temperature 195F; OEM Recommended Temp

Features:

• Heavy gauge stainless steel components offer increased reliability and long-lasting durability
• Exclusive BLVT(TM) Valve Technology minimizes thermal shock to cooling system components
• Stainless steel thermal element for unmatched corrosion resistance and revolutionary REAX(TM) wax mixture provides quicker reaction time
• AccuSpring(TM) Design for stable temperature control and increased cabin comfort

Part Number: 3938-05066660

Notes: OE Type Thermostat -- 160 Degree; Alternate Temperature

Part Number: 3938-05066362

Notes: OE Type Thermostat -- Temperature 205 Degrees; Alternate Temperature

Part Number: 3938-09104323

Notes: Superstat ® Thermostat -- Temperature 180 Degrees; Alternate Temperature