2003 Jeep Liberty Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

25 Coolant / Antifreeze parts for the 2003 Jeep Liberty come from 6 brands — VALVOLINE, PRESTONE, PEAK and 3 other brands. The "Popular" part is FVP MV5050GAL. 19 parts fit every engine; the other 6 are engine-specific.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, VALVOLINE and PRESTONE supply 3 parts: rated for severe service. A representative part number is VALVOLINE ZXG051.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 12 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

3 Coolant Hose / Pipe parts for the 2003 Jeep Liberty come from 3 brands — DAYCO, GATES and MOPAR. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: DAYCO 87722, GATES 21739 and MOPAR 4026148.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

8 Coolant Reservoir parts are listed for the 2003 Jeep Liberty, from AUTOTECNICA, SKP, DORMAN and 5 other brands. AUTOTECNICA CY0716471 carries the "Popular" badge.

This group includes AUTOTECNICA CY0716471, SKP SK603319 and DORMAN 603319 and the remaining parts above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

3 Coolant Reservoir Cap parts are listed for the 2003 Jeep Liberty, from DORMAN and MOTORAD.

Part numbers include DORMAN 54201, DORMAN 54203 and MOTORAD T134.

This table covers the Cooling Fan control modules. Read more

8 Cooling Fan Control Module parts are listed for the 2003 Jeep Liberty, from ROSTRA, GATES, STANDARD MOTOR PRODUCTS and 2 other brands. FAMOUS BRAND 2502302547 carries the "Popular" badge. All of them fit every engine offered in the 2003 Liberty.

This group includes FAMOUS BRAND 2502302547, ROSTRA 600031 and FOUR SEASONS 36144 and the remaining parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

3 Cooling System Tester Adapter parts for the 2003 Jeep Liberty come from 3 brands — ACDELCO, GATES and MOTORAD. Every part fits both the 2.4L L4 and the 3.7L V6.

Part numbers include ACDELCO 12A01, GATES 31413 and MOTORAD 3003.

This table covers the Hose clamps. Read more

4 Hose Clamp parts for the 2003 Jeep Liberty come from MOPAR.

Listed part numbers: MOPAR 32002983, MOPAR 6033135 and MOPAR 52005580, plus the other parts above.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

20 Radiator parts for the 2003 Jeep Liberty come from 14 brands — SPECTRA PREMIUM, TYC, AGILITY and 11 other brands. The "Popular" part is ULTRA-POWER 2482.

The Economy section: 3 options from ULTRA-POWER, GPD and TECHPRO. ULTRA-POWER 2482 is listed in this group.

Standard Replacement: 17 parts, from SPECTRA PREMIUM, TYC, AGILITY and 8 other brands. A representative part number is CSF 3363.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

16 Radiator Cap parts for the 2003 Jeep Liberty come from 6 brands — MOTORAD, GATES, SKP and 3 other brands. The "Popular" part is MOTORAD ST18. 1 part fits every engine; the other 15 are engine-specific.

In the Locking Replacement grade, MOTORAD, GATES and SKP supply 5 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST18.

Standard Replacement: 11 parts, from GATES, MOTORAD, CALORSTAT and 3 other brands. A representative part number is GATES 31528.

This table covers the petcocks used to drain the radiator. Read more

One part is listed for the 2003 Jeep Liberty — DORMAN 61134.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

13 Radiator Fan Assembly parts are listed for the 2003 Jeep Liberty, from DORMAN, SKP, TYC and 5 other brands. DORMAN 620038 carries the "Popular" badge. 7 parts fit every engine; the other 6 are engine-specific.

Economy: 6 parts, from DORMAN, SKP, GPD and 1 other brand. A representative part number is DORMAN 620038.

The Standard Replacement section: 7 options from TYC, UAC, VDO / CONTINENTAL and 1 other brand. FOUR SEASONS 75363 is listed in this group.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

5 Radiator Fan Blade parts are listed for the 2003 Jeep Liberty, from MOPAR, DORMAN, SKP and 1 other brand. DORMAN 620082 carries the "Popular" badge.

Listed part numbers: DORMAN 620082, MOPAR 52079528AB and MOPAR 52079654AE, plus the other parts above.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

7 Radiator Fan Clutch parts for the 2003 Jeep Liberty come from 7 brands — HAYDEN, US MOTOR WORKS, FOUR SEASONS and 4 other brands. The "Popular" part is HAYDEN 2736.

Listed part numbers: HAYDEN 2736, US MOTOR WORKS 22152 and FOUR SEASONS 36781, plus the other parts above.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

5 Radiator Fan Motor parts for the 2003 Jeep Liberty come from 4 brands — GPD, TYC, FOUR SEASONS and 1 other brand. The "Popular" part is TYC 630940. 2 parts fit every engine; the other 3 are engine-specific.

Part numbers include TYC 630940, FOUR SEASONS 75813 and GPD 2312193, among others listed above.

This table covers the shrouds that duct air through the fan and radiator. Read more

This group shows a single part: MOPAR 52080127AA.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

12 Radiator Hose parts are listed for the 2003 Jeep Liberty, from CONTINENTAL, GATES, ACDELCO and 2 other brands. GATES 22718 carries the "Popular" badge.

This table covers the seals at the Radiator. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

MOPAR supplies both parts for the 2003 Jeep Liberty. All of them fit every engine offered in the 2003 Liberty.

This group includes MOPAR 52079766AF and MOPAR 52079768AA.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

14 Temperature Sender / Sensor parts for the 2003 Jeep Liberty come from 12 brands — STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, SKP and 9 other brands. The "Popular" part is SKP SKTX81. Every part fits both the 2.4L L4 and the 3.7L V6.

The Economy section: 6 options from SKP, STANDARD MOTOR PRODUCTS, GPD and 3 other brands. SKP SKTX81 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191106 is listed in this group.

Standard Replacement: 7 parts, from NTK, DELPHI, FOUR SEASONS and 4 other brands. A representative part number is NTK EF0095.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

20 Thermostat parts are listed for the 2003 Jeep Liberty, from MOTORAD, CALORSTAT, DORMAN and 3 other brands. DORMAN 9023312 carries the "Popular" badge.

Economy: 2 parts, from DORMAN. A representative part number is DORMAN 9023312.

The Heavy Duty section: 2 options from MOTORAD. MOTORAD 5420195 is listed in this group.

The Premium section: 1 option from MOTORAD. MOTORAD 7420195 is listed in this group.

The Standard Replacement section: 8 options from MOTORAD, CALORSTAT, GATES and 2 other brands. GATES 33919 is listed in this group.

7 ungrouped parts are not assigned to a grade, with the same engine-level match.

This table covers the seals at the thermostat housing and water outlet. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

13 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2003 Jeep Liberty come from 7 brands — MAHLE / CLEVITE, FEL-PRO, GATES and 4 other brands. The "Popular" part is FEL-PRO 35692.

This table covers the housings and outlets the thermostat sits in. Read more

14 Thermostat Housing / Water Outlet parts are listed for the 2003 Jeep Liberty, from DORMAN, FAMOUS BRAND, GPD and 6 other brands. AUTOTECNICA JE0715254PRM carries the "Popular" badge.

Economy: 8 parts, from DORMAN, FAMOUS BRAND, GPD and 2 other brands. A representative part number is AUTOTECNICA JE0715254PRM.

The Standard Replacement section: 6 options from FOUR SEASONS, MOTORAD, GATES and 1 other brand. FOUR SEASONS 85183 is listed in this group.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

25 Water Pump parts are listed for the 2003 Jeep Liberty, from GATES, GMB, SKP and 12 other brands. SKP SK1204220 carries the "Popular" badge.

Economy: 11 parts, from SKP, FVP, US MOTOR WORKS and 4 other brands. A representative part number is SKP SK1204220.

The Standard Replacement section: 14 options from GATES, GMB, DAYCO and 5 other brands. DAYCO DP962 is listed in this group.

This table covers the Water Pump & Fan Clutch assemblies. Read more

3 Water Pump & Fan Clutch Assembly parts are listed for the 2003 Jeep Liberty, from FVP, GMB and US MOTOR WORKS.

Part numbers include FVP 1200006 and US MOTOR WORKS MCK1005, among others listed above.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

10 Water Pump Gasket parts for the 2003 Jeep Liberty come from 5 brands — MAHLE / CLEVITE, VICTOR REINZ, APEX and 2 other brands. The "Popular" part is FEL-PRO 35655.