1991 Jeep Wrangler Engine Cooling Parts

Keep Your 1991 Jeep Wrangler 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 Jeep Wrangler looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Water Pumps, 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 6,728 reviews and a solid 4 star average, you can shop with confidence knowing other Jeep Wrangler owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1991 Jeep Wrangler Engine Cooling Part at Advance Auto Parts is around $52.58, with a range that starts at $1.99 and goes up to $313.99. With 60 options in stock from 14 trusted brands, finding the right fit is easy. Popular picks like Standard Thermostat: 180 Degrees, UltraStat Thermostat: 195 Degrees, and Coolant Housing/Water Outlet: with Housing, 95 Degree Neck Angle start at just $10.99 and offer a great balance of form and function.

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 Jeep Wrangler in peak condition, inside and out.

Find Your Specific 1991 Jeep Wrangler Engine Cooling Parts

Looking for the perfect Engine Cooling Part for your 1991 Jeep Wrangler? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Jeep Wrangler. Whether you’re driving a 1991 model or another popular model year like 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 1991 Jeep Wrangler Engine Cooling Parts

Imperial – Electric Fan, 10" Diameter (Part No.226110)

Electric Fan, 10" Diameter

from

$72.99
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
  • 10″ Diameter
  • 650 CFM
  • Use as a pusher or puller fan
  • Motors built and tested to quality specifications
  • 10 in. universal fit reversible fan
  • 650 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
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(14 reviews)
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Carquest Premium – Coolant Housing/Water Outlet (Part No.85357)

Coolant Housing/Water Outlet

from

$38.99
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))
  • 100% virgin resin material to insure durability
  • 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)
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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(1 reviews)
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Carquest Premium – Coolant Temperature Switch 1TS1223 (Part No.WTC1067)

Coolant Temperature Switch 1TS1223

from

$29.99
Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Motorad sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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Motorad – Integrated Thermostat Housing: With Sensor, With Seal, 194 Degrees (Part No.1009-194)

Integrated Thermostat Housing: With Sensor, With Seal, 194 Degrees

from

$64.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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.

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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Dorman – Radiator Fan Assembly: Single, Brushless Motor, Cost Effective and Reliable (Part No.621-601)

Radiator Fan Assembly: Single, Brushless Motor, Cost Effective and Reliable

from

$535.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Omix – Radiator Fan Shroud; 4.0L; 91-95 Jeep Wrangler YJ (Part No.17102.04)

Radiator Fan Shroud; 4.0L; 91-95 Jeep Wrangler YJ

from

$111.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Increase The Performance Of Your Cooling System
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Omix – Water Pump; 2.5L/4.2L; 80-90 Jeep CJ/YJ (Part No.17104.13)

Water Pump; 2.5L/4.2L; 80-90 Jeep CJ/YJ

from

$107.99
Is your water pump leaking? Over time the rubber impeller will deteriorate. It’s easier to replace it now than to have a roadside breakdown in the future. Get a high quality water pump from Omix-ADA. Keep your Jeep running cool.

Product Features:
  • OE Style
  • Direct Fit
  • High Quality
  • Efficient Cooling
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Mr. Gasket – Thermocap Radiator Cap (Part No.2471S)

Thermocap Radiator Cap

from

$51.99
Knowing your coolant temperature can help to prevent burn injuries. Thermocap Cap, with its built-in calibrated thermometer, indicates the coolant temperature. This is useful information prior to cap removal. Never attempt to remove Thermocap Cap when the coolant temperature is very hot. The escaping hot coolant and steam may burn you. Reclamation valve works great with your coolant recovery system. Your radiator can reclaim coolant from your overflow bottle. Wide 30 degree to 270 degree F temperature range. Calibrated in centigrade and Fahrenheit. Color-coded temperature ranges.

Product Features:
  • Indicates Coolant Temperature
  • Helps to Prevent Injuries from coolant or steam burns
  • Integrated Coolant Reclamation Valve
  • Improves Underhood Appearance
  • Fahrenheit and centigrade readings
  • Various valve pressures available
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(17 reviews)
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Omix – Fan Blade; 4.0L; 91-95 Jeep Wrangler YJ (Part No.17109.02)

Fan Blade; 4.0L; 91-95 Jeep Wrangler YJ

from

$102.99
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • OE Style
  • Direct Fit
  • Steel
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Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35975)

Engine Coolant Thermostat Housing Gasket

from

$8.99
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: With Transmission Oil Cooler (Part No.431512)

Radiator: With Transmission Oil Cooler

from

$181.99
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 engineered with integrated ribbing for added strength 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
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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(141 reviews)
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Dorman – Plastic Drain Cock Push-In Style with Captive Thread (Part No.490-234.1)

Plastic Drain Cock Push-In Style with Captive Thread

from

$12.99
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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Edelbrock – High Performance 180 Degree Thermostat for Improved Engine Efficiency (Part No.8604)

High Performance 180 Degree Thermostat for Improved Engine Efficiency

from

$24.99
Edelbrock thermostats are designed to ensure consistent cooling in high-performance applications. Feature a brass and copper valve assembly with a stainless steel body for durability. This 180 Deg F thermostat is a bolt-on OEM style replacement that measu

Product Features:
  • 53mm Diameter
  • Rated For 180 Degrees
  • High Flow Type
  • OE Style
  • Made in The USA
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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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Felpro – THERMOSTAT GASKET (Part No.35651)

THERMOSTAT GASKET

from

$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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(86 reviews)
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Omix – Temp Sending Unit; 87-91 Jeep Wrangler YJ (Part No.17218.03)

Temp Sending Unit; 87-91 Jeep Wrangler YJ

from

$18.49
Direct OE replacement Jeep parts and accessories built to the original specifications by Omix-ADA.

Product Features:
  • Thread In
  • OE Style
  • Direct Fit
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Felpro – Engine Water Pump Gasket (Part No.35629)

Engine Water Pump Gasket

from

$5.29
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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(24 reviews)
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Dorman – Help – Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack (Part No.54207)

Engine Coolant Reservoir Cap: Twist, Plastic, 1 Pack

from

$9.49
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 – 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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(35 reviews)
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US MOTOR WORKS – Water Pump with Fan Clutch (Part No.MCK1087)

Water Pump with Fan Clutch

from

$92.99
US Motor Works Professional Series Water Pump with Fan Clutch are designed to replace the mechanical components of a cooling system. A proper water pump replacement should include a new fan clutch as the two are connected to the same shaft and work together to move the air and cooling fluid. Replacing one without the other can damage the new part and cause repeat work or engine trouble. This matched set will allow your vehicle continued operation in the demanding environment of today’s engine. All components are brand new and QA inspected for perfect fit and function. Restore your cooling power by installing a US Motor Works Professional Series Water Pump with Fan Clutch.

Product Features:
  • Fan clutch mounts to the water pump and should be replaced at the same time.
  • Matched set for proper water pump or fan clutch replacement
  • Includes mounting hardware, gaskets and accessories as required.
  • Complete mechanical cooling parts replacement
  • Factory tested and 100% new product
  • Meets or exceeds OEM quality
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Crown Auto Jeep Replacmnt – OE Replacement (Part No.53007978)

OE Replacement

from

$20.99
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
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Dorman – Help – Water Pump Inlet Tube (No Gasket Needed) (Part No.56398)

Water Pump Inlet Tube (No Gasket Needed)

from

$22.49
This engine water pump inlet tube is designed to match the fit and function of the original tube on specified applications, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine water pump inlet tube is designed to match the fit and function of the original tube on specified applications
  • Restores functionality – reliable replacement for an original part that has failed due to corrosion from heat and water cycling
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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(69 reviews)
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Encore Automotive – Engine Coolant Reservoir, Genuine OE (Part No.CT-D20008G)

Engine Coolant Reservoir, Genuine OE

from

$75.99
Encore Automotive Genuine OE Coolant Reservoir is designed with proprietary chemical formulation to hold the excess or overflowing cooling agent which is used in your car. Encore Automotive partners with the world’s leading automakers to bring the latest Genuine OE and high-quality aftermarket components to market. You’re willing to do the work to keep your car or truck going – so, it only makes sense to go with Encore Automotive parts because when it comes to quality, fit and convenience, Encore has you covered.

Product Features:
  • Genuine OE Part
  • Graduated based on automakers recommendation to run safely
  • Hose Included
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Crown Auto Jeep Replacmnt – OE Replacement (Part No.55056382AA)

OE Replacement

from

$9.99
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, features 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:
  • Constructed From Plastic
  • Offers OE Fit And Function
  • Crown Automotive Has Consistently Maintained Its Commitment To Offering Only Quality Parts
  • Easy To Install
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Carquest Premium – Universal Fan Clutch – 7" Thermal Heavy Duty (Part No.215149)

Universal Fan Clutch - 7" Thermal Heavy Duty

from

$85.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. CARQUEST fan clutches are designed to meet OE performance specifications.

Product Features:
  • CARQUEST Premium Fan Clutch
  • 7″ thermal heavy-duty
  • Designed, tested and built by application
  • OE performance, fit and appearance
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(7 reviews)
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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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(1 reviews)
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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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Carquest Premium – Radiator Cap Tester Adapter (Part No.12033)

Radiator Cap Tester Adapter

from

$95.99
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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Popular 1991 Jeep Wrangler Engine Cooling Parts Categories

Radiators
Radiators
Water Pumps
Water Pumps
Water Pump Inlet Tubes
Water Pump Inlet Tubes
Engine Cooling Fan Controllers
Engine Cooling Fan Controllers
Radiator Fan Clutch
Radiator Fan Clutch
Radiator Caps
Radiator Caps
Thermostats
Thermostats
Engine Cooling Fans
Engine Cooling Fans
Radiator Fan Motors
Radiator Fan Motors
Thermostat and Water Outlet Assemblies
Thermostat and Water Outlet Assemblies
Coolant Reservoirs
Coolant Reservoirs
Coolant Temperature Sensors
Coolant Temperature Sensors
Coolant Reservoir Caps
Coolant Reservoir Caps
Water Outlets
Water Outlets
OE Cooling Fan Blades
OE Cooling Fan Blades
Thermostat Housing Gaskets
Thermostat Housing Gaskets
Thermostat Housings
Thermostat Housings
Engine Cooling Fan Shrouds
Engine Cooling Fan Shrouds
Thermostat and Water Outlet Gaskets
Thermostat and Water Outlet Gaskets
Temperature Switch and Senders
Temperature Switch and Senders
Water Pump Gaskets
Water Pump Gaskets
Radiator Drain Plugs
Radiator Drain Plugs
Radiator Cap Adapters
Radiator Cap Adapters
Engine Water Pump with Fan Clutch
Engine Water Pump with Fan Clutch

Most Popular Water Pumps for 1991 Jeep Wranglers

Enhance your 1991 Jeep Wrangler with one of the 2 Water Pumps we have in stock, starting at just $46.99.
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Carquest Premium – New Premium Water Pump (Part No.T2220)

New Premium Water Pump

from

$46.99
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
  • 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
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(70 reviews)
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Crown Auto Jeep Replacmnt – Oem Replacement (Part No.4626054)

Oem Replacement

from

$99.99
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
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Best-Selling 1991 Jeep Wrangler Thermostats

Upgrade your Wrangler with one of our 11 best-selling Thermostats, earning an average 4.8 stars rating across 171 reviews.
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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
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(36 reviews)
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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
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(25 reviews)
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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
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(1 reviews)
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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
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(107 reviews)
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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
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(2 reviews)
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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
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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
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Omix – Thermostat 195 Degree; 72-06 Jeep CJ/Wrangler YJ/TJ (Part No.17106.52)

Thermostat 195 Degree; 72-06 Jeep CJ/Wrangler YJ/TJ

from

$24.49
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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Omix – Thermostat 180 Degree; 72-06 Jeep CJ/Wrangler YJ/TJ (Part No.17106.51)

Thermostat 180 Degree; 72-06 Jeep CJ/Wrangler YJ/TJ

from

$21.79
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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Omix – Thermostat 160 Degree; 72-01 Jeep CJ/Wrangler YJ/TJ (Part No.17106.50)

Thermostat 160 Degree; 72-01 Jeep CJ/Wrangler YJ/TJ

from

$23.29
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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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 1991 Jeep Wranglers

Choose a high-quality OEM or aftermarket Thermostat and Water Outlet Assembly for Jeep Wranglers and enjoy top-notch performance from $24.99.
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Motorad – Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees (Part No.5180KT)

Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees

from

$24.99
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:


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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(2 reviews)
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Our Top Pick for a 1991 Jeep Wrangler Thermostat and Water Outlet Gasket

Invest in a durable Thermostat and Water Outlet Gasket for your 1991 Jeep, knowing you’re getting trusted brands and expert craftsmanship.
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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
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(48 reviews)
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Top-Rated Radiators for 1991 Jeep Wranglers

Make a smart move for your 1991 Jeep Wrangler with products all priced from $175.99 to $313.99.
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.431512)

Radiator: With Transmission Oil Cooler

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$181.99
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 engineered with integrated ribbing for added strength 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
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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(141 reviews)
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Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.431238)

Radiator: With Transmission Oil Cooler

from

$175.99
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
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(14 reviews)
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KAI – Radiator (Part No.RAD2101)

Radiator

from

$199.99
New Platinum Pro Radiator, 4 Cylinder And 6 Cylinder Engines

Product Features:
  • 4 Cylinder And 6 Cylinder Engines, Made Of Plastic and Aluminum
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Radiator Cap Not Included
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Crown Auto Jeep Replacmnt – 26" L X 26" H X 5"D Dimension, 18.5"L X 22" H Core Dimension, Two Core Row (Part No.52080183)

26" L X 26" H X 5"D Dimension, 18.5"L X 22" H Core Dimension, Two Core Row

from

$313.99
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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CSF Cooling – Radiator: 19-5/8" L x 18-1/8" H x 1.25" D Core, Single Row, Down Flow, Aluminum (Part No.3244)

Radiator: 19-5/8" L x 18-1/8" H x 1.25" D Core, Single Row, Down Flow, Aluminum

from

$179.99
CSF factories are ISO/TSO certified. CSF Radiators are designed and built to high performance standards and sold worldwide for over 50 Years – over 30 Million Units Sold. Our Radiators are carefully engineered and Wind Tunnel Tested in laboratory for Cooling Performance Validation. We have over 10,000 different models of Radiators that we manufacture and supply for all the leading brands of vehicles on the road.

Product Features:
  • OEM Specified Plastic Tank-Aluminum Core Construction
  • Tanks Are Made From Virgin Grade Engineered Plastic Resins, Which Are “Glass Filled” For Added Strength And Durability
  • Gaskets Are Made From Special Grade “EPDM” Rubber To Withstand Extreme Temperatures Of Up To -120 Degree Fahrenheit
  • Tubes – Welded Type Or Latest Generation “B-Tube” Design
  • Fins (Heart Of Radiator) – High Performance “Multi-Louvered Design” – OEM Spec
  • 100 Percent Leak Tested Before Leaving Factory At 150 Percent Of Operating Pressure
  • Drop-In Fit
  • High Performance Transmission Cooler With Special Built-In Turbulator, When Applicable
  • All Components Are Installed, Torqued And Tested On Radiator During Assembly
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Top-Rated Engine Cooling Part Brands For Your 1991 Jeep Wrangler

When it comes to finding the perfect Engine Cooling Part for your 1991 Jeep Wrangler, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 14 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 1991 Jeep Wrangler, providing peace of mind with parts that meet or exceed OEM standards.

Popular FELPRO 1991 Jeep Wrangler Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1991 Jeep Wrangler, 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 1991 Jeep Wrangler 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 1991 Jeep Wrangler Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1991 Jeep Wrangler, 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 1991 Jeep Wrangler Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1991 Jeep Wranglers?

Out of 60 Engine Cooling Parts that fit 1991 Jeep Wranglers, the following parts are the top sellers:

What’s the price range for 1991 Jeep Wrangler Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1991 Jeep Wrangler range from $1.99 up to $313.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1991 Jeep Wrangler?

The average price for Engine Cooling Parts for the 1991 Jeep Wrangler is $52.58. 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 Wrangler model years?

Yes, we carry Engine Cooling Parts for 36 model years of Jeep Wranglers between 1987 and 2025. The following model years are the most popular for Engine Cooling Part purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Engine Cooling Parts for my 1991 Jeep Wrangler?

The cheapest 1991 Jeep Wrangler Engine Cooling Parts we carry are:

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

Yes. We stock Engine Cooling Parts for 2 other popular 1991 Jeep models. Some of the most popular are 1991 Cherokee Engine Cooling Parts, 1991 Grand Wagoneer Engine Cooling Parts, and 1991 Comanche Engine Cooling Parts.

What are the top-rated Engine Cooling Parts that fit the 1991 Jeep Wrangler?

Based on 6,728 reviews by customers, our 1991 Jeep Wrangler Engine Cooling Parts have an average customer rating of 4 stars. These are the highest-rated categories of Engine Cooling Parts for the 1991 Jeep Wrangler and their top-rated products:

What types of Engine Cooling Parts do you sell for my 1991 Jeep Wrangler?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 1991 Jeep Wrangler:

Can I get help with 1991 Jeep Wrangler 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 Wrangler Engine Cooling Parts?

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

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