1991 Mazda RX-7 Engine Cooling Parts

Keep Your 1991 Mazda RX-7 in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 1991 Mazda RX-7 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Coolant Temperature Sensors, Water Pumps, and Coolant Reservoir Caps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium, Imperial, and Sankei. For example, Carquest Premium Engine Cooling Parts start at just $11.99 with an average 4.4 star rating. Imperial and Sankei offer similar pricing and quality, backed by strong customer feedback. With over 690 reviews and a solid 4 star average, you can shop with confidence knowing other Mazda RX-7 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts and Blower Motor and Related Products. At Advance Auto Parts, we’re here to help you keep your 1991 Mazda RX-7 in peak condition, inside and out.

Essential 1991 Mazda RX-7 Engine Cooling Parts

Carquest Premium – Temperature Sender With Gauge (Part No.WTC1066)

Temperature Sender With Gauge

from

$15.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Factory Air – Coolant Temp Sensor Switch (Part No.36424)

Coolant Temp Sensor Switch

from

$34.05
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Color coded for easy identification
  • Zinc coated terminal to resist corrosion
See More

Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

from

$63.99
Adjustable Thermostatic Fan Control. 160-210°F; push-in probe. Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160-210°F push-in probe
  • For use with Imperial electric fans
  • Probe installs into radiator fins
See More

Imperial – Adjustable Thermostatic Fan Control (Part No.226203)

Adjustable Thermostatic Fan Control

from

$23.99
Adjustable Thermostatic Fan Control; Economy Model; 32-248°F. Controls the operating temperature of Imperial electric fans

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248°F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
See More

Carquest Premium – Engine Cooling Fan Switch (Part No.TFA1193)

Engine Cooling Fan Switch

from

$112.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Sankei Switches – Sankei Switches Radiator Cap (Part No.G1010121551SAK)

Sankei Switches Radiator Cap

from

$15.66
The Sankei Switches radiator cap range has been developed to operate within original equipment manufacturer’s specifications. A faulty radiator cap can cause your car to boil-over at a lower temperature. Test or replace the coolant cap when servicing the cooling system.

Product Features:
  • Meets Original Equipment specifications.
  • Made from premium materials.
  • Designed to function on open cooling systems and overflow reservoir type systems.
See More

Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)

Radiator Cap: 13 PSI

from

$18.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Safety lever to vent coolant pressure before removal
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Engine Cooling Fan Switch (Part No.TFA1178)

Engine Cooling Fan Switch

from

$71.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Carquest – Engine Cooling Fan Switch (Part No.TFS617)

Engine Cooling Fan Switch

from

$119.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • In manufacturing, we custom form the wax pellets for different temperature range specifications. All units are calibrated & tested to confirm switch actuation at their specified temperature
  • The switch is designed using a formed bimetallic contact arm. The bimetal contact movement is achieved using the different expansion rates of two metals fused together. This is a creep action device, provides precise performance
  • In production, all thermal switches are factory-calibrated to make electrical contact at the specified lower-temperature set point
  • Robust design and high grade materials meet the stringent demands of today’s service professional
See More

Carquest Premium – Oil Temp Sender (Part No.WTC1212)

Oil Temp Sender

from

$17.99
Carquest Coolant Temperature Sensors provide accurate data to the PCM to ensure proper management of your vehicle’s fuel injection system, ignition and variable valve timing, transmission shifting, and more. Manufactured using the highest quality OEM approved materials for increased durability in even the most extreme temperatures. All Carquest Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

Carquest Premium – Engine Coolant Temperature Switch (Part No.WTA1618)

Engine Coolant Temperature Switch

from

$19.49
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Flex A Lite – Trimline Straight Blade Electric Fan (Part No.108)

Trimline Straight Blade Electric Fan

from

$99.99
Trimline Straight Blade Electric Fan

Imperial – Electric Fan – 12" Diameter (Part No.226112)

Electric Fan - 12" Diameter

from

$89.99
Electric fan with 12″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Rapid-Cool® Thin-Line electric fans
  • 12″ Diameter
  • 800 CFM
  • Use as a pusher or puller fan
See More

Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)

Radiator Cap Tester Adapter

from

$17.79
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
See More

Carquest Premium – New Premium Water Pump (Part No.T2177)

New Premium Water Pump

from

$147.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:
  • This pump is used on accessory belt driven applications
  • Aluminum housing
  • All gaskets or seals necessary for installation are supplied with pump
  • Durable housing features precisely machined mounting surfaces for proper sealing
  • The latest impeller upgrades engineered for maximum coolant flow
See More

Driveworks Water Pumps – Water Pump (Part No.57-1319)

Water Pump

from

$69.99
Using advanced re-engineering materials and processes, our remanufactured water pumps match O.E. fit and performance. Each unit is supplied with new, unitized seals and the proper O.E.-specified bearing design to meet the specific radial and axial load.

Product Features:
  • 100% leak testing and hub-pull testing ensures reliable performance.
  • O.E.-supplied NEW unitized seals ensure long-lasting, trouble-free performance.
  • The proper O.E. specified bearing design is installed to meet the specific radial and axial load requirements of each application. This ensures longer bearing life and reliable performance.
  • Thermostat seal and mounting gasket are supplied for ease of installation (where applicable).
See More

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T4035)

Engine Water Pump: New, Gasket/Seals Included

from

$53.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

Flex A Lite – Trimline Straight Blade Electric Fan (Part No.112)

Trimline Straight Blade Electric Fan

from

$112.99
Trimline Straight Blade Electric Fan

Flex A Lite – Black Magic Electric Fan (Part No.160)

Black Magic Electric Fan

from

$347.99
Black Magic Electric Fan

Flex A Lite – Trimline Straight Blade Electric Fan (Part No.116)

Trimline Straight Blade Electric Fan

from

$119.99
Trimline Straight Blade Electric Fan

Mr. Gasket – Thermocap Radiator Cap (Part No.2470R)

Thermocap Radiator Cap

from

$48.09
The fastest, easiest way to know exactly when it’s safe to open your radiator cap. ThermoCap, with its built-in calibrated thermometer, indicates the coolant temperature.

Product Features:
  • Indicates coolant temperature
  • Helps prevent coolant injuries
  • Fahrenheit and centigrade readings
  • Color-coded temperature ranges
  • Integrated coolant reclamation valve
  • Improves under-hood appearance
  • Chromed crown with a colored trim ring
See More

Carquest Premium – Radiator Cap: 16 PSI (Part No.10233)

Radiator Cap: 16 PSI

from

$13.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Autopart International Inc – Radiator Cap (Part No.G10102025815API)

Radiator Cap

from

$8.73
Radiator Cap

Carquest Premium – Radiator Cap: 13 PSI (Part No.10229)

Radiator Cap: 13 PSI

from

$9.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – High Flow Thermostat: 180 Degrees (Part No.13968)

High Flow Thermostat: 180 Degrees

from

$12.49
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. With the enlarged Orpheus opening, this high flowing thermostat will allow for more gallons per second to flow. This will allow for the engine to cool down at a faster rate compared to the OE to allow for quick and precise cooling for your engine. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

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

Beck/Arnley – Thermostat, 192 Degrees Fahrenheit (Part No.143-0655)

Thermostat, 192 Degrees Fahrenheit

from

$17.79
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling
  • Constructed with premium materials for durability
  • Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
  • Application specific for this vehicle
See More

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13778)

Standard Thermostat: 180 Degrees

from

$15.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product 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
See More

Motorad UltraStats – Thermostat: 180 Degrees (Part No.5270-180)

Thermostat: 180 Degrees

from

$17.49
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

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

Most Popular Coolant Temperature Sensors for 1991 Mazda RX-7s

Enhance your 1991 Mazda RX-7 with one of the 2 Coolant Temperature Sensors we have in stock, starting at just $15.99.

Carquest Premium – Temperature Sender With Gauge (Part No.WTC1066)

Temperature Sender With Gauge

from

$15.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
See More

NTC – Tama Engine Coolant Temperature Sensor (Part No.C6020169982NTC)

Tama Engine Coolant Temperature Sensor

from

$36.60
The NTC-Tama Engine Coolant Temperature Sensor is a high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
See More

Best-Selling 1991 Mazda RX-7 Water Pumps

Upgrade your RX-7 with one of our 2 best-selling Water Pumps.

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T4035)

Engine Water Pump: New, Gasket/Seals Included

from

$53.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
See More

Driveworks Water Pumps – Water Pump (Part No.57-1319)

Water Pump

from

$69.99
Using advanced re-engineering materials and processes, our remanufactured water pumps match O.E. fit and performance. Each unit is supplied with new, unitized seals and the proper O.E.-specified bearing design to meet the specific radial and axial load.

Product Features:
  • 100% leak testing and hub-pull testing ensures reliable performance.
  • O.E.-supplied NEW unitized seals ensure long-lasting, trouble-free performance.
  • The proper O.E. specified bearing design is installed to meet the specific radial and axial load requirements of each application. This ensures longer bearing life and reliable performance.
  • Thermostat seal and mounting gasket are supplied for ease of installation (where applicable).
See More

Top-Quality Coolant Reservoir Caps for 1991 Mazda RX-7s

Choose a high-quality OEM or aftermarket Coolant Reservoir Cap for Mazda RX-7s and enjoy top-notch performance from $15.66.

Sankei Switches – Sankei Switches Radiator Cap (Part No.G1010121551SAK)

Sankei Switches Radiator Cap

from

$15.66
The Sankei Switches radiator cap range has been developed to operate within original equipment manufacturer’s specifications. A faulty radiator cap can cause your car to boil-over at a lower temperature. Test or replace the coolant cap when servicing the cooling system.

Product Features:
  • Meets Original Equipment specifications.
  • Made from premium materials.
  • Designed to function on open cooling systems and overflow reservoir type systems.
See More

Carquest Premium – Radiator Cap: 13 PSI (Part No.10327)

Radiator Cap: 13 PSI

from

$18.79
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Safety lever to vent coolant pressure before removal
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Top Picks for 1991 Mazda RX-7 Thermostats

Invest in one of our 4 durable Thermostats for your 1991 Ford, knowing you’re getting trusted brands and expert craftsmanship.

Motorad UltraStats – Thermostat: 180 Degrees (Part No.5270-180)

Thermostat: 180 Degrees

from

$17.49
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

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

Motorad UltraStats – Thermostat: 195 Degrees (Part No.5270-195)

Thermostat: 195 Degrees

from

$15.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.

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

Beck/Arnley – Thermostat, 192 Degrees Fahrenheit (Part No.143-0655)

Thermostat, 192 Degrees Fahrenheit

from

$17.79
Beck/Arnley parts meet foreign nameplate OE specifications for form, fit and function. Our product specialists work with a network of global sourcing partners so you can install the right part with confidence.

Product Features:
  • Matches OE form, fit and function
  • Features a standard jiggle valve where required by OE and has a long stroke for maximum cooling
  • Constructed with premium materials for durability
  • Be sure to use the proper coolant to maximize cooling system components. See Beck/Arnley catalog for the coolant for this application.
  • Application specific for this vehicle
See More

NTC – NTC Thermostat (Part No.G4000322745NTC)

NTC Thermostat

from

$29.72
NTC offers a full line of thermostats to replace your original equipment thermostat. This includes a wide variety of temperature ranges all designed to operate within OEM specifications.

Product Features:
  • Strict quality control, and functional testing
  • 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
See More

Top-Rated Radiator Caps for 1991 Mazda RX-7s

Make a smart move for your 1991 Mazda RX-7 with products all priced from $8.73 to $11.99.

Carquest Premium – Radiator Cap: 13 PSI (Part No.10227)

Radiator Cap: 13 PSI

from

$11.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Autopart International Inc – Radiator Cap (Part No.G10102025815API)

Radiator Cap

from

$8.73
Radiator Cap

Top-Rated Engine Cooling Part Brands For Your 1991 Mazda RX-7

When it comes to finding the perfect Engine Cooling Part for your 1991 Mazda RX-7, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 11 trusted brands. We carry the most popular Engine Cooling Part brands including Sankei, Carquest Premium, and Imperial, and more, all known for their exceptional customer ratings (average brand rating of 4.9 stars) and competitive prices, as low as $11.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 1991 Mazda RX-7, providing peace of mind with parts that meet or exceed OEM standards.

Popular Sankei 1991 Mazda RX-7 Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1991 Mazda RX-7, Advance Auto Parts has exactly what you need with our selection of Sankei Engine Cooling Parts. We have 1 Sankei Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $15.66, you’ll find the perfect Engine Cooling Part for your needs and budget. Sankei Engine Cooling Parts for the 1991 Mazda RX-7 come highly rated, with over 1 customer reviews and an impressive average rating of 4.9 stars. Choosing a Sankei Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Sankei Switches Radiator Cap
from $15.66
(1)
Sankei Switches Radiator Cap
“I had no issues. The part felt quality compared to other brand I’ve felt”

Top-Quality Carquest Premium 1991 Mazda RX-7 Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1991 Mazda RX-7, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 2 Carquest Premium Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $11.99, with an average price of $15.39, giving you a range of options to suit your budget. Backed by over 214 customer ratings and an average rating of 4.4 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Radiator Cap: 13 PSI
from $18.79
(21)
Radiator Cap: 13 PSI
“great price, easy install”
Radiator Cap: 13 PSI
from $11.99
(193)
Radiator Cap: 13 PSI
“in my car”

FAQs for 1991 Mazda RX-7 Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1991 Mazda RX-7s?

Out of 27 Engine Cooling Parts that fit 1991 Mazda RX-7s, the following parts are the top sellers:

What’s the price range for 1991 Mazda RX-7 Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1991 Mazda RX-7 range from $8.73 up to $347.99 for the most premium parts.

What is the average price of an Engine Cooling Parts Engine Cooling Part for a 1991 Mazda RX-7?

The average price for Engine Cooling Parts for the 1991 Mazda RX-7 is $56.81. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other Mazda RX-7 model years?

Yes, we carry Engine Cooling Parts for 14 model years of Mazda RX-7s between 1979 and 1995. The following model years are the most popular for Engine Cooling Part purchases: 1995, 1994, 1993, 1990, 1989, 1988, 1987, 1986, and 1985.

What are the cheapest Engine Cooling Parts for my 1991 Mazda RX-7?

The cheapest 1991 Mazda RX-7 Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 1991 Mazda models?

Yes. We stock Engine Cooling Parts for 9 other popular 1991 Mazda models. Some of the most popular are 1991 626 Engine Cooling Parts, 1991 MPV Engine Cooling Parts, 1991 B2600 Engine Cooling Parts, 1991 929 Engine Cooling Parts, and 1991 Protege Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 1991 Mazda RX-7?

The one 1991 Mazda RX-7 Engine Cooling Part we have in stock is the Radiator Cap. It costs $8.73.

What types of Engine Cooling Parts do you sell for my 1991 Mazda RX-7?

As of 4/10/25, these are some of the most in-demand types of Engine Cooling Parts for a 1991 Mazda RX-7:

Can I get help with 1991 Mazda RX-7 Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mazda Engine Cooling Parts and more.

What is your return policy for Mazda RX-7 Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Mazda RX-7 Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.