1990 Jeep Comanche Engine Cooling Parts

Keep Your 1990 Jeep Comanche 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 1990 Jeep Comanche looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Radiators, Thermostats, and Thermostat and Water Outlet Assemblies. 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, FELPRO, and Imperial. For example, Carquest Premium Engine Cooling Parts start at just $10.49 with an average 4.4 star rating. FELPRO and Imperial offer similar pricing and quality, backed by strong customer feedback. With over 2,792 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep Comanche 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 Blower Motor and Related Products and HVAC Electrical Parts. At Advance Auto Parts, we’re here to help you keep your 1990 Jeep Comanche in peak condition, inside and out.

Essential 1990 Jeep Comanche Engine Cooling Parts

Dorman – Help – Drain Cock-Brass-1/8 In. NPT (Part No.61105)

Drain Cock-Brass-1/8 In. NPT

from

$5.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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Dorman – Help – Engine Coolant Reservoir Cap: Flip Top, Polypropylene, 1 Pack (Part No.54201)

Engine Coolant Reservoir Cap: Flip Top, Polypropylene, 1 Pack

from

$14.49
Cracked or lost the original engine coolant reservoir cap? Replace it seamlessly and effectively with this precisely engineered, direct replacement cap.

Product Features:
  • Direct replacement – this engine coolant reservoir cap directly replaces a cracked or lost original cap
  • Application specific – made to match dimensions of reservoir cap on only certain vehicle years, makes and models
  • Seamless fit – reverse-engineered from the original equipment to fit perfectly
  • Excellent value – a quick, easy replacement that’s less expensive than going back to the dealership
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Imperial – Electric Fan, 12" Diameter (Part No.226112)

Electric Fan, 12" Diameter

from

$108.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Rapid-Cool Thin-Line electric fans
  • 12″ Diameter
  • 800 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 12 in. universal fit reversible fan
  • 800 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
See More

Motorad – Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees (Part No.4802KT)

Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees

from

$22.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing 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
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432268)

Radiator: With Transmission Oil Cooler

from

$219.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
See More

Crown Auto Jeep Replacmnt – OE Replacement (Part No.52027501AC)

OE Replacement

from

$52.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Leading Manufacturer Of Quality Replacement Parts For Jeep
  • Meets Standards For Quality
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Improve The Performance
  • Easy Installation
See More

Dorman – Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle (Part No.902-3010)

Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle

from

$19.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Crown Auto Jeep Replacmnt – Smooth, 4.57 Inch Diameter, Black, Steel (Part No.53010309)

Smooth, 4.57 Inch Diameter, Black, Steel

from

$15.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Manufactured From High Quality Material
  • Engineered To The Specifications
  • Meets The Quality Standards
  • Designed For Performance And Durability
  • Easy To Install
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Carquest Premium – Universal Fan Clutch – 6" Thermal (Part No.215021)

Universal Fan Clutch - 6" Thermal

from

$63.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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Carquest Premium – Auxiliary Water Pump: New, Mounting Gasket Included (Part No.T2120)

Auxiliary Water Pump: New, Mounting Gasket Included

from

$61.99
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
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Carquest Premium – Multi-Use Connector (Part No.PTA1174)

Multi-Use Connector

from

$37.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Felpro – Engine Water Pump Gasket (Part No.13877)

Engine Water Pump Gasket

from

$2.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12552)

Radiator Cap Tester Adapter

from

$14.99
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
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Imperial – Adjustable Thermostatic Fan Control (Part No.226203)

Adjustable Thermostatic Fan Control

from

$23.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Economy adjustable thermostatic fan control
  • Economy Model; 32-248 Deg. F
  • For use with Imperial electric fans
  • Probe installs into radiator fins
  • Contains gaskets, O-rings, or seals to properly replace the product
  • Brass construction for accurate temperature sensing
  • Zinc coated terminal to resist corrosion
  • Vehicle specific applications
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Felpro – Engine Coolant Outlet Gasket (Part No.35024)

Engine Coolant Outlet Gasket

from

$4.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Omix – Radiator Isolator; 87-01 Jeep Cherokee/Wrangler YJ/TJ (Part No.17470.17)

Radiator Isolator; 87-01 Jeep Cherokee/Wrangler YJ/TJ

from

$10.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Holds Super Grease For Quiet Operation
  • Highly Durable
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Carquest Premium – Engine Cooling Fan Switch (Part No.TFA1018)

Engine Cooling Fan Switch

from

$38.99
Carquest Premium Vehicle Solutions provides high-quality solutions for a wide range of applications. The Engine Cooling Fan Switch regulates the operation of the cooling fan based on engine temperature, preventing overheating and ensuring optimal engine performance by maintaining a safe operating temperature. Engineered for maximum performance and durability, our products are built to excel in even the most demanding conditions, ensuring reliable operation and long-lasting value.

Product Features:
  • Durable Construction: Designed with high-quality materials to withstand harsh environmental conditions, ensuring long-lasting performance in extreme temperatures, vibrations, and moisture exposure.
  • Precision Engineering: Accurate sensing and switching capabilities provide reliable performance, reducing the risk of malfunctions and improving vehicle safety and efficiency.
  • Easy Installation & Maintenance: Designed for quick installation and minimal upkeep, reducing downtime and repair costs for both manufacturers and consumers.
  • Fit/Form/Function: Each vehicle electronic component is engineered to meet or surpass OEM standards, ensuring precise fit, optimal functionality, and reliable performance.
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Imperial – Electric Fan, 16" (Part No.226216)

Electric Fan, 16"

from

$115.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:
  • Thin-line electric fan
  • 16″ diameter
  • 1,400 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 16 in. universal fit reversible fan
  • 1500 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
See More

Crown Auto Jeep Replacmnt – Oem Replacement (Part No.53005056)

Oem Replacement

from

$13.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Leading Manufacturer Of Quality Replacement Parts For Jeep
  • Meets Standards For Quality
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Improve The Performance
  • Easy Installation
See More

Crown Auto Jeep Replacmnt – Oem Replacement (Part No.56027012)

Oem Replacement

from

$16.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Limited 12 Month Or 12,000 Mile Warranty
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85225)

Coolant Housing/Water Outlet: Gasket Included

from

$69.99
We are proud to offer this Carquest product line: Carquest Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable))
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Carquest Premium – Engine Coolant Water Outlet (Part No.85180)

Engine Coolant Water Outlet

from

$16.99
High quality OE replacement part with all components needed to complete the job.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring  to ensure proper seal (where applicable)
  • Includes quality gasket or O-ringá to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
See More

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13588)

Standard Thermostat: 180 Degrees

from

$22.99
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

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13358)

Standard Thermostat: 180 Degrees

from

$10.99
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

MAHLE Original – Engine Coolant Thermostat Housing Gasket (Part No.C31633)

Engine Coolant Thermostat Housing Gasket

from

$2.49
MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Crown Auto Jeep Replacmnt – OE Replacement, Single (Part No.J3189874)

OE Replacement, Single

from

$1.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Leading Manufacturer Of Quality Replacement Parts For Jeep
  • Meets Standards For Quality
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Improve The Performance
  • Easy Installation
See More

Mr. Gasket – Thermocap Radiator Cap (Part No.2476BK)

Thermocap Radiator Cap

from

$55.99
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
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Carquest Premium – Radiator Cap: 13 PSI (Part No.10329)

Radiator Cap: 13 PSI

from

$10.49
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
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Most Popular Radiators for 1990 Jeep Comanches

Enhance your 1990 Jeep Comanche with one of the 2 Radiators we have in stock, starting at just $219.99.

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.432268)

Radiator: With Transmission Oil Cooler

from

$219.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
See More

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.433871)

Radiator: With Transmission Oil Cooler

from

$324.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineeredáwith integrated ribbingáfor addedástrength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
See More

Best-Selling 1990 Jeep Comanche Thermostats

Upgrade your Comanche with one of our 8 best-selling Thermostats, earning an average 4.8 stars rating across 171 reviews.

Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13358)

Standard Thermostat: 180 Degrees

from

$10.99
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

Carquest Premium – Standard Thermostat: 160 Degrees (Part No.13356)

Standard Thermostat: 160 Degrees

from

$10.99
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

Carquest Premium – Standard Thermostat: 205 Degrees (Part No.13352)

Standard Thermostat: 205 Degrees

from

$11.99
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

Carquest Premium – Standard Thermostat: 195 Degrees (Part No.13359)

Standard Thermostat: 195 Degrees

from

$10.79
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 – UltraStat Thermostat: 180 Degrees (Part No.5200-180)

UltraStat Thermostat: 180 Degrees

from

$14.99
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:
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • 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 – UltraStat Thermostat: 195 Degrees (Part No.5200-195)

UltraStat Thermostat: 195 Degrees

from

$18.49
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:
  • Exclusive BLVT Valve Technology minimizes thermal shock to cooling system components
  • Heavy gauge stainless steel components offer increased reliability and long-lasting durability
  • 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

Crown Auto Jeep Replacmnt – Oem Replacement (Part No.83501426)

Oem Replacement

from

$14.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Leading Manufacturer Of Quality Replacement Parts For Jeep
  • Meets Standards For Quality
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts And Exceptional Service
  • Improve The Performance
  • Easy Installation
See More

Omix – Thermostat 160 Degree; 41-71 Willys/Jeep Models (Part No.17106.01)

Thermostat 160 Degree; 41-71 Willys/Jeep Models

from

$12.29
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Steel
  • Better Flow Control
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Top-Quality Thermostat and Water Outlet Assemblies for 1990 Jeep Comanches

Choose a high-quality OEM or aftermarket Thermostat and Water Outlet Assembly for Jeep Comanches and enjoy top-notch performance from $22.99.

Motorad – Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees (Part No.4802KT)

Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees

from

$22.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing 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
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Our Top Pick for a 1990 Jeep Comanche Thermostat and Water Outlet Gasket

Invest in a durable Thermostat and Water Outlet Gasket for your 1990 Jeep, knowing you’re getting trusted brands and expert craftsmanship.

Felpro – Engine Coolant Outlet Gasket (Part No.35024)

Engine Coolant Outlet Gasket

from

$4.29
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Top-Rated Water Pumps for 1990 Jeep Comanches

Make a smart move for your 1990 Jeep Comanche with products all priced from $39.99 to $67.99.

Carquest Premium – New Premium Water Pump (Part No.T4097)

New Premium Water Pump

from

$45.99
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. A

Product Features:
  • This pump is used on accessory belt driven applications
  • Note rotation, failure to use correct pump could result in severe engine damage
  • Used mostly on models equipped with a fan clutch
  • It is highly recommended that the fan clutch be replaced with the water pump
  • All gaskets or seals necessary for installation are supplied with pump
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2211)

Engine Water Pump: New, Gasket/Seals Included

from

$45.99
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
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Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T4111)

Engine Water Pump: New, Gasket/Seals Included

from

$67.99
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
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Driveworks Water Pumps – Water Pump: New (Part No.58-455)

Water Pump: New

from

$39.99
This replacement engine water pump is leak and flow tested. Gaskets and seals are included where applicable.

Product Features:
  • This pump is used on accessory belt driven applications
  • Used mostly on models equipped with a fan clutch
  • It is highly recommended that the fan clutch be replaced with the water pump
  • All gaskets or seals necessary for installation are supplied with pump
  • Durable housing features precisely machined mounting surfaces for proper sealing
See More

Top-Rated Engine Cooling Part Brands For Your 1990 Jeep Comanche

When it comes to finding the perfect Engine Cooling Part for your 1990 Jeep Comanche, 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 FELPRO, Carquest Premium, and Imperial, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $2.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 1990 Jeep Comanche, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1990 Jeep Comanche Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1990 Jeep Comanche, Advance Auto Parts has exactly what you need with our selection of FELPRO Engine Cooling Parts. We have 2 FELPRO Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $2.99 and an average cost of $3.64, you’ll find the perfect Engine Cooling Part for your needs and budget. FELPRO Engine Cooling Parts for the 1990 Jeep Comanche come highly rated, with over 52 customer reviews and an impressive average rating of 4.6 stars. Choosing a FELPRO Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Engine Coolant Outlet Gasket
from $4.29
(48)
Engine Coolant Outlet Gasket
“perfect fit. good quality”
Engine Water Pump Gasket
from $2.99
(4)
Engine Water Pump Gasket
“It works”

Top-Quality Carquest Premium 1990 Jeep Comanche Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1990 Jeep Comanche, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 3 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 $10.49, with an average price of $10.82, giving you a range of options to suit your budget. Backed by over 109 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.
Standard Thermostat: 160 Degrees
from $10.99
(25)
Standard Thermostat: 160 Degrees
“Good price and quality”
Standard Thermostat: 180 Degrees
from $10.99
(36)
Standard Thermostat: 180 Degrees
“It worked as it should.”
Radiator Cap: 13 PSI
from $10.49
(48)
Radiator Cap: 13 PSI
“Like the vent feature.”

FAQs for 1990 Jeep Comanche Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1990 Jeep Comanches?

Out of 51 Engine Cooling Parts that fit 1990 Jeep Comanches, the following parts are the top sellers:

What’s the price range for 1990 Jeep Comanche Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1990 Jeep Comanche range from $1.99 up to $324.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1990 Jeep Comanche?

The average price for Engine Cooling Parts for the 1990 Jeep Comanche is $41.80. 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 Jeep Comanche model years?

Yes, we carry Engine Cooling Parts for 5 model years of Jeep Comanches between 1986 and 1992. The following model years are the most popular for Engine Cooling Part purchases: 1992, 1991, 1989, 1988, 1987, and 1986.

What are the cheapest Engine Cooling Parts for my 1990 Jeep Comanche?

The cheapest 1990 Jeep Comanche Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 1990 Jeep models?

Yes. We stock Engine Cooling Parts for 3 other popular 1990 Jeep models. Some of the most popular are 1990 Cherokee Engine Cooling Parts, 1990 Wrangler Engine Cooling Parts, 1990 Grand Wagoneer Engine Cooling Parts, and 1990 Wagoneer Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 1990 Jeep Comanche?

The one 1990 Jeep Comanche Engine Cooling Part we have in stock is the OE Replacement, Single. It costs $1.99.

What types of Engine Cooling Parts do you sell for my 1990 Jeep Comanche?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 1990 Jeep Comanche:

Can I get help with 1990 Jeep Comanche 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 Jeep Engine Cooling Parts and more.

What is your return policy for Jeep Comanche Engine Cooling Parts?

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