2008 Jeep Wrangler 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

19 Coolant / Antifreeze parts for the 2008 Jeep Wrangler come from 6 brands — PRESTONE, VALVOLINE, PEAK and 3 other brands. The "Popular" part is FVP MV5050GAL.

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 3 options from FVP, PEAK and PRESTONE — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, VALVOLINE and PRESTONE supply 2 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 8 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

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

4 Coolant Reservoir parts are listed for the 2008 Jeep Wrangler, from TECHPRO, DORMAN and GPD.

Part numbers include DORMAN 603834, GPD 2411156 and TECHPRO CH3014158, among others listed 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

MOTORAD supplies both parts for the 2008 Jeep Wrangler.

The Locking Replacement section lists 1 option from MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16 is listed in this group.

The Standard Replacement section: 1 option from MOTORAD. MOTORAD T16 is listed in this group.

This group includes MOTORAD ST16 and MOTORAD T16.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 2008 Jeep Wrangler.

This group includes US MOTOR WORKS 16749, US MOTOR WORKS 16779 and US MOTOR WORKS 16795.

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

3 Cooling System Tester Adapter parts for the 2008 Jeep Wrangler come from 3 brands — ACDELCO, GATES and MOTORAD.

This group includes ACDELCO 12A01, GATES 31413 and MOTORAD 3003.

This table covers the Hose clamps. Read more

This group shows a single part: MOPAR 4592176.

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

10 Radiator parts for the 2008 Jeep Wrangler come from 10 brands — CSF, TYC, AGILITY and 7 other brands. The "Popular" part is CSF 3592.

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

10 Radiator Cap parts for the 2008 Jeep Wrangler come from 6 brands — SKP, MOTORAD, GATES and 3 other brands. The "Popular" part is MOTORAD ST16.

Locking Replacement: 3 parts, from MOTORAD, GATES and SKP. A representative part number is MOTORAD ST16.

Standard Replacement: 7 parts, from SKP, MOTORAD, CALORSTAT and 3 other brands. A representative part number is MOTORAD T16.

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

6 Radiator Fan Assembly parts are listed for the 2008 Jeep Wrangler, from GPD, FOUR SEASONS, TYC and 3 other brands. FOUR SEASONS 76035 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 2811619.

The Standard Replacement section: 5 options from FOUR SEASONS, TYC, AGILITY and 2 other brands. FOUR SEASONS 76035 is listed in this group.

This group includes FOUR SEASONS 76035, GPD 2811619 and TYC 621680 and the remaining parts above.

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

One part is listed for the 2008 Jeep Wrangler — MOPAR 68039593AA.

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

6 Radiator Fan Clutch parts for the 2008 Jeep Wrangler come from 6 brands — HAYDEN, US MOTOR WORKS, FOUR SEASONS and 3 other brands. The "Popular" part is HAYDEN 2738.

Listed part numbers: HAYDEN 2738, US MOTOR WORKS 22626 and FOUR SEASONS 46047, plus the other parts above.

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

2 Radiator Fan Shroud parts for the 2008 Jeep Wrangler come from MOPAR.

Part numbers include MOPAR 55057123AB and MOPAR 68039594AA.

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

13 Radiator Hose parts are listed for the 2008 Jeep Wrangler, from ACDELCO, GATES, MOPAR and 2 other brands. ACDELCO 24594L carries the "Popular" badge.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

One part is listed for the 2008 Jeep Wrangler — MOPAR 52079884AA.

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 the 3 Radiator Seal parts for the 2008 Jeep Wrangler.

This group includes MOPAR 68143892AA, MOPAR 55056553AA and MOPAR 55056732AB.

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

13 Temperature Sender / Sensor parts for the 2008 Jeep Wrangler come from 12 brands — STANDARD MOTOR PRODUCTS, DORMAN, GPD and 9 other brands. The "Popular" part is DELPHI TS10330.

The Economy section: 6 options from DORMAN, GPD, HOLSTEIN and 3 other brands. DORMAN 926427 is listed in this group.

Standard Replacement: 7 parts, from DELPHI, NTK, STANDARD MOTOR PRODUCTS and 4 other brands. A representative part number is DELPHI TS10330.

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

7 Thermostat parts are listed for the 2008 Jeep Wrangler, from MOTORAD, GATES, AISIN and 1 other brand. GATES 34799 carries the "Popular" badge.

The Heavy Duty section: 1 option from MOTORAD. MOTORAD 5656195 is listed in this group.

The Premium section: 1 option from MOTORAD. MOTORAD 7656195 is listed in this group.

The Standard Replacement section: 5 options from MOTORAD, GATES, AISIN and 1 other brand. GATES 34799 is listed in this group.

This group includes GATES 34799, MOTORAD 5656195 and MOTORAD 7656195 and the remaining parts above.

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

9 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2008 Jeep Wrangler come from 5 brands — FEL-PRO, APEX, STANT and 2 other brands. The "Popular" part is FEL-PRO 35861.

Part numbers include FEL-PRO 35861, FEL-PRO 35651 and APEX AWO2291, among others listed above.

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

5 Thermostat Housing / Water Outlet parts are listed for the 2008 Jeep Wrangler, from GPD, GATES, FOUR SEASONS and 2 other brands. GATES CO34826 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 8241563.

The Standard Replacement section: 4 options from GATES, FOUR SEASONS, MOPAR and 1 other brand. GATES CO34826 is listed in this group.

Listed part numbers: GATES CO34826, GPD 8241563 and FOUR SEASONS 85357, plus the other parts above.

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

10 Water Pump parts are listed for the 2008 Jeep Wrangler, from SKP, FVP, US MOTOR WORKS and 7 other brands. SKP SK1202010 carries the "Popular" badge.

Economy: 4 parts, from SKP, FVP, US MOTOR WORKS and 1 other brand. A representative part number is SKP SK1202010.

The Standard Replacement section: 6 options from GATES, ACDELCO, AISIN and 3 other brands. GATES 42588 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 2008 Jeep Wrangler, from FVP, GMB and US MOTOR WORKS.

This group includes FVP 1200023 and US MOTOR WORKS MCK1092 and the remaining parts 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

8 Water Pump Gasket parts for the 2008 Jeep Wrangler come from 6 brands — FEL-PRO, VICTOR REINZ, APEX and 3 other brands. The "Popular" part is FEL-PRO 35844.

Listed part numbers: FEL-PRO 35844, FEL-PRO 35998 and APEX AWP3202, plus the other parts above.

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: MOPAR 53032861AA.