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If you own a Jeep Grand Cherokee with the 4.7L V8, the radiator is a critical component that keeps the engine running cool under towing, hot-weather, or spirited driving conditions. Replacing a failing radiator can prevent repeated overheating, reduce the risk of head-gasket damage, and restore consistent cabin heating. This guide outlines our top shortlisted radiators chosen for direct fitment and reliable cooling performance specific to the 4.7L V8 configuration. We evaluate each option for cooling capacity, build quality, and ease of installation so you can pick the best match for your needs. Below are the top contenders and the decision factors we used to narrow them down, followed by practical guidance on fitment, service, and installation considerations.
Looking for other parts? See all Jeep Grand Cherokee parts & accessories.
Top Picks at a Glance
Readair Replacement Radiator for Jeep Grand Cherokee 4.7L V8 (2001–2004)
| Vehicle fit | Jeep Grand Cherokee V8 4.7L 2001-2004 |
|---|---|
| AT/MT | AT |
| Core length | 23.14in |
| Core height | 19.99in |
| Core thickness | 1.02in |
This Readair radiator is a direct OEM-fit replacement for Jeep Grand Cherokee V8 4.7L model years 2001–2004 and is intended to restore proper cooling without modification. It replaces the factory unit with matching inlet and outlet locations and transmission line fittings so it installs like a factory replacement; the listing notes AT configuration and includes core dimensions to aid fit checks. In use it performs the basic radiator duties well: buyers report no leaks, stable engine temperatures, and good packaging that prevents shipping damage. Notable features are the factory-style mounting and matched hose diameters, which simplify swap-outs for DIYers or shops. Limitations are that some listings have minor differences in visible fittings compared with images, and fitment must be confirmed against your vehicle before purchase to avoid returns. Expect a straightforward cooling upgrade when measurements and fitment align, but plan the usual time and effort needed for removing front-end components on this chassis.
Best for: Buyers who want a reliable, factory-style replacement radiator for routine cooling repairs on a 2001–2004 Jeep Grand Cherokee 4.7L V8 and prioritize a straightforward swap with minimal modification.
Less Ideal for: People who need a performance or upgraded cooling solution beyond a factory-equivalent replacement or those unwilling to confirm fitment for their specific vehicle before ordering.
- Direct factory-style fitment for Jeep Grand Cherokee 4.7L V8 2001–2004
- Matched inlet and outlet locations and hose diameters for easier installation
- Sturdy packaging and construction with reports of no leaks in long-term use
- Includes core specifications so buyers can verify fit before installation
- Product images and actual fittings may differ in finish or minor detail from listing photos
Verdict: Choose this Readair radiator if you need a direct, factory-style replacement to restore reliable cooling on a 2001–2004 Jeep Grand Cherokee 4.7L V8.
TRQ Radiator Assembly with Aluminum Core and Transmission Oil Cooler for 2001–2004 Jeep Grand Cherokee 4.7L
| Fitment | 2001–2004 Jeep Grand Cherokee V8 4.7L |
|---|---|
| Core Material | Aluminum |
| Core Thickness | 1 in |
| Transmission Oil Cooler | Internal, plated, 5 plates |
| Flow Type | Cross Flow |
This TRQ radiator is a direct replacement engineered for the 2001–2004 Jeep Grand Cherokee 4.7L V8. It uses a single-row aluminum core and includes an internal plated transmission oil cooler, so it replaces both the engine radiator and the trans cooler in one unit. Installation is intended to be drop-in with pre-assembled mounts and hose ports positioned top-left inlet and bottom-right outlet to match factory routing, which simplifies a DIY swap and reduces garage time. The aluminum core and tight fin spacing support efficient heat transfer while plastic tanks save weight. Buyers should note the product is crossflow style with a 1 inch core thickness and five transmission cooler plates, which provides adequate cooling for everyday driving and moderate towing but may be less aggressive than thicker multi-row high-performance cores. A few reports mention fan shroud or mounting clearance differences on some vehicles, so verify alignment with the fan panel during installation. Overall this radiator offers a practical balance of factory-style fit, integrated transmission cooling, and accessible installation for owners focused on restoring reliable cooling performance.
Best for: You want a straightforward, performance-minded replacement that restores cooling and integrates the transmission cooler without major modification, prioritizing reliable temperature control for spirited driving and light towing.
Less Ideal for: Drivers who plan heavy-duty towing, racing, or extreme off-road use should consider a thicker multi-row or dedicated performance radiator instead.
- Direct-fit design with pre-assembled mounts to simplify DIY installation
- Aluminum core for effective heat transfer compared with all-plastic units
- Integrated transmission oil cooler eliminates separate component replacement
- Crossflow layout and matching inlet/outlet locations to fit factory coolant routing
- Single-row 1 inch core is less capable than multi-row performance radiators under sustained heavy loads
- Plastic end tanks may be less durable than full-metal radiators in extreme conditions
Verdict: If you need a direct-fit radiator that restores factory cooling and includes an integrated transmission oil cooler for a 2001–2004 Jeep Grand Cherokee 4.7L, this TRQ unit delivers reliable, drop-in performance.
Readair Engine Coolant Radiator Assembly with Transmission Oil Cooler for Jeep Grand Cherokee 2001–2004, 4.7L V8
| Fitment | Jeep Grand Cherokee 2001-2004, 4.7L V8, automatic transmission |
|---|---|
| Transmission Oil Cooler | Included |
| Core Width | 20 inch |
| Core Height | 23.1 inch |
| Core Thickness | 1 inch |
This Readair radiator is a direct-fit replacement for the 2001–2004 Jeep Grand Cherokee 4.7L V8 with automatic transmission and includes a built-in transmission oil cooler. It uses an aluminum core with TIG-welded joints, plastic inlet/outlet tanks, and a brass transmission cooler, and arrives ready for standard radiator-to-engine and transmission connections. Typical use is a full radiator swap when the factory unit is leaking, clogged, or failing to control engine or transmission temperatures. The practical advantages are solid: the integrated transmission cooler saves the extra plumbing and the treated coating plus leak testing aim to improve durability. Installation is straightforward for a DIYer with basic tools and a few hours of time, and reviews report accurate fit and good packaging. Limitations to note are the plastic end tanks, which are common at this price point and can be less durable than all-metal options, and the product is specific to the 2001–2004 4.7L automatic configuration so it is not universal.
Best for: Buyers who prioritize a straightforward, vehicle-specific replacement that restores cooling and transmission cooling without extra modifications and who prefer a practical DIY-installable part.
Less Ideal for: Those seeking a heavy-duty all-metal radiator for extreme towing, racing, or heavy commercial use should consider purpose-built performance radiators instead.
- Direct OEM-style fitment for 2001–2004 Jeep Grand Cherokee 4.7L V8 with automatic transmission
- Integrated transmission oil cooler eliminates need for a separate cooler and lines
- Aluminum core with TIG-welded joints and treated coating for improved heat transfer and corrosion resistance
- Leak-tested before shipping and reported consistent, accurate fit in buyer feedback
- Uses high-grade plastic inlet/outlet tanks which can be less durable than full-metal tanks
Verdict: A ready-to-install, direct-fit radiator with an integrated transmission cooler that lets practical owners replace a failing factory unit quickly and reliably.
DNA Motoring Aluminum Replacement Radiator for 01-04 Grand Cherokee 4.7L (Automatic)
| Compatible vehicles | 01-04 Grand Cherokee 4.7 (Automatic) |
|---|---|
| Material Type | Aluminum |
| Transmission Oil Cooler | Yes |
| Core Rows | 1 |
This DNA Motoring radiator is a vehicle-specific replacement built with a t-6061 aluminum core and tube-and-fin design to improve heat dissipation versus older stock units. It is sold as a direct bolt-on for 2001–2004 Grand Cherokee 4.7L models with automatic transmissions and includes a transmission oil cooler provision. Typical use is a like-for-like swap when the factory radiator is leaking or degraded; installers report straightforward fitment and lighter weight that makes handling and installation easier. The aluminum core and channel design claim higher cooling efficiency which helps prevent overheating under normal driving and towing conditions. Practical limitations include occasional fitment hiccups with the transmission cooler fitting on some years and mixed reports about early leaks, so a careful pre-install inspection and professional installation are recommended. The radiator ships without installation instructions or plugs for unused ports, so keep basic hardware and sealants on hand when swapping units.
Best for: Drivers looking for a budget-friendly, vehicle-specific radiator to return cooling performance to a 2001–2004 Grand Cherokee 4.7L with an automatic transmission who prefer an easy bolt-on replacement over sourcing dealer parts.
Less Ideal for: If you need a long-term premium high-capacity performance radiator for heavy-duty towing or want a unit with included installation instructions and all possible fittings, consider higher-end or dealer options.
- Direct bolt-on design for 2001–2004 Grand Cherokee 4.7L automatics simplifies replacement
- Full T-6061 aluminum core and tube-and-fin construction improves heat transfer and reduces weight
- Includes transmission oil cooler provision for models that require it
- Many buyers report OEM-like fit and good packaging on arrival
- Some users reported leaks or incorrect lower transmission fitting requiring modification or replacement
- No installation instructions or small plastic plugs for unused cooler ports included
Verdict: A cost-conscious, direct-fit aluminum replacement that restores cooling for 2001–2004 Grand Cherokee 4.7L automatics without the premium dealer price.
TYC 2839 Replacement Radiator for Jeep Grand Cherokee (2005–2008)
| Cooler Heatsink Material | Aluminum |
|---|---|
| Mounting Type | Chassis Mount |
| Manufacturer Part Number | 2839 |
| OEM Part Number | 55116849AB |
The TYC 2839 is a direct replacement radiator built with aluminum tubes and folded louvers to match factory cooling capacity for the 2005–2008 Grand Cherokee. It installs as a drop-in unit and includes mounts and fittings so you do not need to transfer brackets, which makes it suitable for DIY replacement or quick shop installs. TYC says the core uses the same tube and fin pitch as the factory part and the radiator is leak-tested before shipping; reviews from owners report straightforward fitment and no immediate leaks. Reinforcements such as aluminum inlet rings, internal ribs, expansion grooves, and double header plates aim to reduce the chance of leaks and extend service life. Expect typical installation caveats: some users trimmed a small plastic tab to clear a condenser mount and the filler cap must be reused, and tight engine bays can require patience when maneuvering the core into place. For a reliability-focused repair, this unit delivers factory-like cooling performance without extensive modification, though long-term longevity will depend on proper installation and coolant system maintenance.
Best for: Buyers who need a dependable, factory-style replacement radiator for a 2005–2008 Grand Cherokee and prioritize proven cooling performance and straightforward installation.
Less Ideal for: People seeking a performance-upgrade radiator with higher cooling capacity or custom fittings should consider purpose-built aftermarket cores instead.
- Direct fit for 2005–2008 Grand Cherokee so no major modifications required
- Aluminum tubes and precision folded fins designed to match factory cooling capacity
- Leak-tested at the factory and includes reinforced inlet rings and header plates for added durability
- Comes with mounting points and fittings to simplify installation
- Does not include a replacement radiator cap so the original cap must be reused
Verdict: A reliable, factory-style aluminum replacement that restores cooling performance and simplifies installation for 2005–2008 Grand Cherokee owners.
SCITOO Radiator Assembly (fits select Jeep Commander and Grand Cherokee engines)
| Position | Front |
|---|---|
| Core Rows | 1 Row |
| Inlet Diameter | 1.5in. |
| Outlet Diameter | 1.81in. |
| OEM Part Number | 2839 |
This SCITOO radiator is a direct-fit replacement designed for front installation on selected Jeep Commander and Grand Cherokee engines, including 3.7L, 4.7L and 6.1L applications listed by the manufacturer. It replaces the factory radiator core with a single-row aluminum design and delivers engine cooling by routing coolant through the core while using the vehicle's existing hoses and mounts. Typical use is to replace a failed or leaking radiator during routine repairs or after overheating events. Notable features from the listing include model-specific fitment, 1-row core construction, and defined inlet and outlet diameters that match factory hose sizes. In practice this radiator offers solid cooling performance for street use and many buyers report straightforward installation and reliable operation. Limitations to expect are variability in molded mounting tabs and fan-shroud attachment points on some units, which can require minor trimming or fabrication if brackets are missing or different from the factory part. The unit does not include transmission or engine oil coolers so vehicles that require those integrated coolers will need to retain or replace them separately.
Best for: Buyers who prioritize a reasonably priced, vehicle-specific replacement radiator with solid real-world cooling performance and who prefer to rely on other owners' experience when choosing parts.
Less Ideal for: If you need a radiator with integrated transmission or engine oil cooling or want a guaranteed exact factory bracket layout without any fabrication, look for a different part or a dealer replacement.
- Model-specific fitment for Jeep Commander and Grand Cherokee engine options listed
- Aluminum single-row core provides effective cooling for normal driving conditions
- Inlet and outlet diameters match common hose sizes to simplify installation
- Many buyers report ready-to-install condition and improved engine temperature control
- Some units may arrive missing molded mounting brackets or fan-shroud attachment points requiring minor modification
- Does not include integrated transmission or engine oil coolers
Verdict: A budget-friendly, vehicle-specific aluminum radiator that restores proper cooling for Grand Cherokee 4.7L owners who value proven fitment and real-world reliability.
AUTOSAVER88 Radiator for Jeep Grand Cherokee / Commander (fits 3.0L–6.1L engine options)
| Manufacturer Part Number | ATRD1061 |
|---|---|
| OEM Part Number | 55116849AC, 55116849AB |
| Core Size | 23" x 20" |
| Exterior | Machined |
This AUTOSAVER88 radiator is a straightforward replacement intended to fit Jeep Grand Cherokee and Commander models that use the listed OEM part numbers. It reproduces the core size and mounting points so installers can transfer factory brackets and bushings and reconnect the A/C condenser and transmission cooler as needed. Typical use is as a like‑for‑like radiator swap to restore cooling after a leak or failure; users report the unit matches factory dimensions and mounts cleanly when clips and rubber feet are reused. Notable features include a machined exterior finish and packaging that protects the core in transit. Practical benefits are solid cooling performance for towing and daily driving and cost savings versus dealer parts. Limitations are that it does not include auxiliary pieces such as the radiator cap, mounting clips, or bottom rubber feet so those must be reused or purchased separately, and a few users reported service life variability with isolated failures after a couple years. Expect a moderate installation effort on these Jeep models because removal often requires detaching surrounding components.
Best for: Buyers who prioritize a reliable, cost-effective factory-style replacement to restore cooling on their Jeep and who prefer matching OEM fitments over performance upgrades.
Less Ideal for: Drivers seeking a heavy-duty performance or extended-lifespan aftermarket radiator with extra accessories included should consider higher-end or upgraded units instead.
- Designed to match factory mounting points and core size for a direct fit
- Machined exterior and packaged to reduce shipping damage
- Restores cooling capacity suitable for towing and everyday driving
- Lower cost than dealer replacement radiators
- Does not include radiator cap, lower rubber feet, or some mounting clips which must be transferred from the old unit or bought separately
- Some users reported premature failure in isolated cases
Verdict: A budget-friendly, factory-fit replacement radiator that restores cooling for Jeep 4.7L owners who want an OEM-style swap without dealer pricing.
Choosing the Right Jeep Grand Cherokee 4.7L V8 Radiator: Key Factors to Consider
Cooling Capacity and Core Size
Cooling capacity determines how well the radiator reduces engine temperature during normal driving and under load. A larger core surface area and greater fin density increase heat dissipation, which matters if you tow, haul, or drive in high ambient temperatures.
Core thickness and the number of tubes affect coolant flow and heat transfer. Thicker cores often hold more coolant and provide better cooling, but can add weight and may require verification of adequate fan clearance. Match core size to the available space in the 4.7L V8 engine bay to avoid interference with the fan shroud or A/C condenser.
Material and Construction Quality
Radiators are commonly made from aluminum cores with plastic or aluminum tanks. All-aluminum construction typically offers better long-term durability and improved heat transfer, while plastic tanks reduce cost and weight but may be more susceptible to thermal cycling and cracking on older engines.
Look for quality braze or TIG welds, corrosion-resistant coatings, and robust end tanks. Reinforced mounting points and pressure-tested assemblies reduce the chance of leaks and premature failure, which is especially important in a high-mileage Grand Cherokee.
Fitment and Compatibility
Proper fitment ensures the radiator lines up with factory mounting points, hose connections, transmission cooler ports, and temperature sensor bosses. Exact-fit radiators eliminate the need for hose adapters or modifications, simplifying installation and preserving factory serviceability.
Confirm inlet and outlet placement, the presence of any required transmission cooler fittings, and compatibility with the vehicle's electric or mechanical fan arrangement. Fitment impacts installation time and whether additional components like bracket kits or fan shrouds are necessary.
Corrosion Resistance and Coatings
Corrosion is a common cause of radiator failure, particularly in climates where road salt or hard water is present. Protective coatings, aluminum alloys with anti-corrosive properties, and sealed joints reduce galvanic corrosion and extend service life.
Consider radiators with nickel or epoxy coatings on tanks and fins, and designs that minimize dissimilar-metal contact. This matters for owners who plan long-term ownership or drive many winter miles.
Transmission Cooler Integration
Many Grand Cherokee models route transmission fluid through an integrated cooler in the radiator. Properly designed transmission ports, baffles, and sufficient cooler surface area help maintain transmission temperatures during towing or spirited driving.
Ensure the radiator provides compatible transmission cooler fittings and that the cooler section is sized for the vehicle's towing and load profile. Poor transmission cooling can accelerate wear and reduce service life of the transmission.
Warranty and Support
A solid warranty signals manufacturer confidence and helps protect against early defects or premature leaks. Look for multi-year warranties and clear coverage of core failure, tank cracking, and corrosion.
Also verify availability of replacement parts such as mounting brackets or petcock valves. Good technical support and clear return policies reduce risk when purchasing a radiator for the 4.7L V8 installation.
Signs Your Radiator Needs Replacement
Recognizing early symptoms of radiator failure helps avoid engine overheating and potential internal damage. Common warning signs include persistent coolant loss without visible puddles, rising temperature gauge readings under the same driving conditions, and discolored or sludgy coolant in the overflow reservoir.
You may also notice steam from the engine bay, a sweet coolant smell, or wetness around radiator seams and hose connections. Addressing these symptoms promptly prevents more expensive downstream repairs such as head gasket failure or warped cylinder heads.
- Repeated or unexplained temperature spikes during idling or slow-speed driving
- Visible leaks or wet spots on lower radiator seams
- Coolant that appears contaminated, rusty, or unusually thick
- Cooling fan running excessively or not engaging at the correct temperature
Preparing for a Radiator Swap in the 4.7L V8
Before beginning a radiator replacement, gather the correct replacement hoses, clamps, and any required transmission cooler fittings. Depressurize and drain the cooling system safely, and capture old coolant for proper disposal. It is a good time to inspect hoses, thermostat, water pump, and the electric fan assembly for wear.
Take measurements of the old radiator core and note the inlet/outlet orientation and locations of sensor ports. This reduces surprises during installation and helps confirm that the replacement is a direct fit. Replacing old hose clamps and using a fresh coolant mix will help prevent leaks after installation.
- Verify transmission cooler port locations if your vehicle has an auto transmission
- Inspect fan shroud clearances and confirm electric fan connector compatibility
- Replace aging coolant hoses and use new clamps for a reliable seal
Service Tips: Flushing and Coolant Selection
A proper coolant flush removes trapped debris and old additives that reduce heat transfer. Use a manufacturer-compatible coolant specification for the Grand Cherokee 4.7L V8 and follow recommended dilution ratios. Flushing should be done if the coolant appears contaminated or if the vehicle has a history of overheating.
After installing a new radiator, bleed the cooling system to remove air pockets that can cause localized hot spots. Monitor coolant levels and recheck for leaks after a short test drive. Regular coolant maintenance extends radiator life and preserves consistent engine temperatures.
- Use the correct anti-corrosion coolant type specified for your vehicle
- Bleed trapped air by running the engine to operating temperature with the radiator cap off if appropriate
- Recheck hose clamps and fittings after initial test drive
Addressing Leaks and Temporary Fixes
Small radiator leaks around seams or minor pinholes sometimes have temporary fixes, but these are stopgap measures. Epoxy or radiator stop-leak compounds can limit leakage short term, allowing you to reach a repair location safely. Relying on temporary fixes for long periods increases the risk of catastrophic failure.
If the radiator shows extensive corrosion, multiple leaks, or damaged tanks, replacement is the most reliable solution. For sudden large leaks, prioritize vehicle safety by stopping the engine and arranging a tow or repair to avoid engine damage from loss of coolant.
- Use temporary sealants only for short-term emergency repairs
- Replace radiators with damaged tanks, large cracks, or heavy corrosion
- Inspect adjacent components for damage caused by leaking coolant
Matching Radiator Upgrades to Your Driving Needs
If you frequently tow, drive in hot climates, or push the vehicle hard, consider radiators with larger cores, heavier-duty transmission coolers, and improved fin density. These features increase cooling headroom and help maintain stable temperatures under sustained load.
For routine daily driving, a direct-fit replacement that restores factory cooling capacity and fitment will usually suffice. Prioritize good corrosion protection and a reliable warranty to maximize service life.
- Towing and heavy loads: larger core and stronger transmission cooler
- Daily commuting: direct-fit core with standard capacity and durable construction
- High-mileage vehicles: corrosion-resistant finishes and reinforced tanks
Still looking for the perfect fit?
Select your Jeep Grand Cherokee configuration to see the most relevant Radiators recommendations
How We Chose the Best Jeep Grand Cherokee 4.7L V8 Radiator
We focused selection on parts that directly fit the Jeep Grand Cherokee 4.7L V8 engine bay and mounting points. Primary evaluation criteria included cooling capacity under load, core construction and materials, and compatibility with factory hose and sensor locations. We also weighed corrosion resistance and warranty coverage because these affect longevity in road salt and high-mileage use. Ease of installation and availability of OEM-style mounting brackets and fittings were included to reduce modification time for typical owners. Excluded items were universal radiators that require custom mounting, or cores that do not support the factory fan shroud and sensor layout. We prioritized radiators whose specifications matched the stock cooling performance and those rated for heavier duty use when towing or in hot climates. Other dimensions, such as core thickness, tube count, and inlet/outlet orientation, were considered to ensure straightforward swap-in fitment and reliable thermal performance.
Our full evaluation process is outlined in our review methodology.
FAQ
How long does a typical radiator last in a Jeep Grand Cherokee 4.7L V8?
Radiator lifespan varies depending on conditions and maintenance, but many last 8 to 12 years. Corrosion, coolant quality, and driving conditions such as towing or frequent high-temperature use can shorten that timeframe.
Can I replace just the radiator core and keep the existing fan shroud and brackets?
Often the core can be replaced if the radiator is a serviceable design and mounting points match. However, confirm that inlet/outlet locations and shroud fitment match exactly to avoid interference or rework.
Will a higher-capacity radiator require modifications to the fan or shroud?
Higher-capacity cores may be thicker and could reduce fan clearance. Check fan shroud clearance and electric fan connector alignment before purchasing to ensure no modifications are needed for proper airflow.
Is it necessary to flush the cooling system when installing a new radiator?
Flushing is recommended if the existing coolant is contaminated or old. A flush removes deposits that could reduce heat transfer and helps ensure the new radiator operates at full efficiency.
How can I tell if my radiator leak is repairable or needs replacement?
Small localized leaks such as pinholes in fins or a single seam can sometimes be repaired temporarily, but leaks at tank joints, large cracks, or widespread corrosion typically require replacement for a durable fix.
Final Verdict
When replacing the radiator in a Jeep Grand Cherokee 4.7L V8, prioritize correct fitment, adequate cooling capacity, and durable construction. Consider the vehicle's typical use—towing or hot-climate driving usually justifies a sturdier core and an upgraded transmission cooler, while standard commuting calls for a direct-fit replacement that restores factory performance. Balance long-term reliability against installation complexity. Choose the radiator that best matches your driving demands, verify hose and sensor compatibility, and perform a proper coolant flush and bleed at installation to ensure trouble-free operation.
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