1998 Acura CL 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

18 Coolant / Antifreeze parts for the 1998 Acura CL come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 2.3L L4 and the 3.0L V6.

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 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, BECK/ARNLEY, AISIN and 2 other brands supply 8 parts: built to original-equipment specification. A representative part number is VALVOLINE ZXEL1.

This table covers the seals at the Coolant Hose / Pipe. 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

3 Coolant Hose / Pipe Seal parts are listed for the 1998 Acura CL, from AJUSA and FEL-PRO. 2 parts fit every engine; the other 1 is engine-specific.

This group includes AJUSA 16022400, AJUSA 16022450 and FEL-PRO ES72774.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: FOUR SEASONS 85156.

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

2 Coolant Reservoir parts are listed for the 1998 Acura CL, from AUTOTECNICA and TECHPRO. 1 part fits every engine; the other 1 is engine-specific.

Part numbers include AUTOTECNICA HA0718790 and TECHPRO AC3014105.

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 1998 Acura CL, from CALORSTAT, DORMAN and MOTORAD. All of them fit every engine offered in the 1998 CL.

This group includes CALORSTAT RC0175, DORMAN 54370 and MOTORAD T135.

This table covers the Coolant Water Crossover Mounting sets. Read more

2 Coolant Water Crossover Mounting Set parts for the 1998 Acura CL come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: MAHLE / CLEVITE C17813 and VICTOR REINZ 181016001.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 1998 Acura CL. All of them fit every engine offered in the 1998 CL.

Part numbers include US MOTOR WORKS 16749, US MOTOR WORKS 16789 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 1998 Acura CL come from 2 brands — MOTORAD and GATES. Every part fits both the 2.3L L4 and the 3.0L V6.

This group includes GATES 31409, MOTORAD 3124 and MOTORAD 3125.

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

16 Radiator parts for the 1998 Acura CL come from 9 brands — GPD, LILAND GLOBAL, KOYORAD and 6 other brands. The "Popular" part is ULTRA-POWER 1494.

The Economy section: 3 options from GPD and ULTRA-POWER. ULTRA-POWER 1494 is listed in this group.

The Premium (All Aluminum Construction) section lists 2 options from LILAND GLOBAL — a step above OE specification in materials, tolerances or warranty terms. LILAND GLOBAL 1827AA is listed in this group.

Standard Replacement: 11 parts, from KOYORAD, AGILITY, FVP and 3 other brands. A representative part number is KOYORAD A1494.

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

7 Radiator Cap parts for the 1998 Acura CL come from 5 brands — MOTORAD, CSF, GATES and 2 other brands. The "Popular" part is CSF 4503. 5 parts fit every engine; the other 2 are engine-specific.

In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST37.

Standard Replacement: 6 parts, from CSF, GATES, CALORSTAT and 2 other brands. A representative part number is CSF 4503.

Part numbers include CSF 4503, MOTORAD ST37 and CSF 4514, among others listed above.

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

One part is listed for the 1998 Acura CL — DORMAN 490216.

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

7 Radiator Fan Assembly parts are listed for the 1998 Acura CL, from UAC, DORMAN, GPD and 3 other brands. FOUR SEASONS 76109 carries the "Popular" badge. 2 parts fit every engine; the other 5 are engine-specific.

Economy: 3 parts, from DORMAN, GPD and TECHPRO. A representative part number is DORMAN 621032.

The Standard Replacement section: 4 options from UAC, FOUR SEASONS and VDO / CONTINENTAL. FOUR SEASONS 76109 is listed in this group.

This group includes FOUR SEASONS 76109, DORMAN 621032 and GPD 2811246 and the remaining 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 1998 Acura CL come from 4 brands — GPD, FOUR SEASONS, ACDELCO and 1 other brand. The "Popular" part is FOUR SEASONS 35254. 4 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: FOUR SEASONS 35254, ACDELCO 1580329 and GPD 2312149, plus the other parts above.

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

18 Radiator Hose parts are listed for the 1998 Acura CL, from DAYCO, CONTINENTAL, GATES and 1 other brand. DAYCO 72003 carries the "Popular" badge.

Economy: 4 parts, from CONTINENTAL and DAYCO. A representative part number is CONTINENTAL 52017.

The Standard Replacement section: 14 options from DAYCO, GATES, ACDELCO and 1 other brand. DAYCO 72003 is listed in this group.

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

25 Temperature Sender / Sensor parts for the 1998 Acura CL come from 15 brands — STANDARD MOTOR PRODUCTS, ROSTRA, SKP and 12 other brands. The "Popular" part is SKP SK1580154. 24 parts fit every engine; the other 1 is engine-specific.

The Economy section: 9 options from SKP, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 3 other brands. SKP SK1580154 is listed in this group.

Standard Replacement: 16 parts, from ROSTRA, BECK/ARNLEY, STANDARD MOTOR PRODUCTS and 7 other brands. A representative part number is BECK/ARNLEY 1580154.

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

31 Thermostat parts are listed for the 1998 Acura CL, from MOTORAD, BECK/ARNLEY, JAPANESE OE and 6 other brands. MOTORAD 5302170 carries the "Popular" badge. They are grouped as Heavy Duty, Performance, Premium and Standard Replacement, with Standard Replacement the largest group at 23 parts from BECK/ARNLEY, MOTORAD, JAPANESE OE and 6 other brands.

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

11 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1998 Acura CL come from 11 brands — BECK/ARNLEY, FEL-PRO, MOTORAD and 8 other brands. The "Popular" part is BECK/ARNLEY 0390115.

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

4 Thermostat Housing / Water Outlet parts are listed for the 1998 Acura CL, from DORMAN, FAMOUS BRAND, GPD and 1 other brand.

Economy: 3 parts, from DORMAN, FAMOUS BRAND and GPD. A representative part number is DORMAN 9025024.

The Standard Replacement section: 1 option from MOTORAD. MOTORAD CH6024 is listed in this group.

This group includes DORMAN 9025024, FAMOUS BRAND 85156 and GPD 8241402 and the remaining 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 1998 Acura CL, from SKP, BECK/ARNLEY, FVP and 7 other brands. SKP SK1352380 carries the "Popular" badge.

Economy: 5 parts, from SKP, BECK/ARNLEY, FVP and 2 other brands. A representative part number is SKP SK1352380.

The Standard Replacement section: 5 options from AISIN, ACDELCO, DAYCO and 2 other brands. AISIN WPH800 is listed in this group.

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

6 Water Pump Gasket parts for the 1998 Acura CL come from 6 brands — FEL-PRO, MAHLE / CLEVITE, APEX and 3 other brands. The "Popular" part is FEL-PRO 35677.

Part numbers include FEL-PRO 35677, MAHLE / CLEVITE K17818 and APEX AWP3161, among others listed above.