2015 Acura Ilx 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

16 Coolant / Antifreeze parts are listed for the 2015 Acura Ilx, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge. 14 parts fit every engine; the other 2 are engine-specific.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, FVP, PRESTONE, PEAK and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 6 options from BECK/ARNLEY, AISIN, VALVOLINE and 2 other brands — built to original-equipment specification. AISIN ACB003 is listed in this group.

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

5 Coolant Hose / Pipe parts are listed for the 2015 Acura Ilx, from CONTINENTAL, DAYCO and GATES.

Listed part numbers: CONTINENTAL 63706, CONTINENTAL 63812 and DAYCO 80393, plus the other parts above.

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

7 Coolant Hose / Pipe Seal parts for the 2015 Acura Ilx come from 4 brands — AJUSA, MAHLE / CLEVITE, VICTOR REINZ and 1 other brand.

Listed part numbers: AJUSA 16022450, AJUSA 16022400 and FEL-PRO 36022, plus the other parts above.

This table covers the Coolant Hose Connector flanges. Read more

One part is listed for the 2015 Acura Ilx — ACKOJA A269934.

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

5 Coolant Reservoir parts for the 2015 Acura Ilx come from 5 brands — AUTOTECNICA, DORMAN, GPD and 2 other brands. The "Popular" part is AUTOTECNICA HA0718798. Every part fits all 3 engine options (1.5L L4 ELECTRIC/GAS, 2.0L L4 and 2.4L L4).

This group includes AUTOTECNICA HA0718798, DORMAN 603885 and GPD 2411252 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 for the 2015 Acura Ilx come from 3 brands — CALORSTAT, DORMAN and MOTORAD. Every part fits all 3 engine options (1.5L L4 ELECTRIC/GAS, 2.0L L4 and 2.4L L4).

This group includes CALORSTAT RC0174, DORMAN 54228 and MOTORAD T108.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2015 Acura Ilx come from US MOTOR WORKS.

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 are listed for the 2015 Acura Ilx, from MOTORAD and GATES.

Listed part numbers: 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

23 Radiator parts are listed for the 2015 Acura Ilx, from CSF, SPECTRA PREMIUM, UAC and 9 other brands. CSF 3675 carries the "Popular" badge.

Economy: 3 parts, from TECHPRO and GPD. A representative part number is GPD 13223C.

The Standard Replacement section: 20 options from CSF, SPECTRA PREMIUM, UAC and 7 other brands. CSF 3675 is listed in this group.

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

5 Radiator Cap parts are listed for the 2015 Acura Ilx, from MOTORAD, GATES, CALORSTAT and 1 other brand. GATES 31412 carries the "Popular" badge.

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 ST37 is listed in this group.

The Standard Replacement section: 4 options from GATES, CALORSTAT, MOTORAD and 1 other brand. GATES 31412 is listed in this group.

Part numbers include GATES 31412, MOTORAD ST37 and CALORSTAT RC0040, among others listed above.

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

This group shows a single part: DORMAN 490216.

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

11 Radiator Fan Assembly parts for the 2015 Acura Ilx come from 9 brands — GPD, UAC, SKP and 6 other brands. The "Popular" part is SKP SK621480.

The Economy section: 7 options from GPD, SKP, TECHPRO and 3 other brands. SKP SK621480 is listed in this group.

Standard Replacement: 4 parts, from UAC, FOUR SEASONS and TYC. A representative part number is FOUR SEASONS 76295.

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

ACKOJA supplies both parts for the 2015 Acura Ilx.

This group includes ACKOJA A26010017 and ACKOJA A26010018.

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

8 Radiator Hose parts for the 2015 Acura Ilx come from 3 brands — CONTINENTAL, DAYCO and GATES.

Listed part numbers: CONTINENTAL 62672, CONTINENTAL 66029 and CONTINENTAL 66983, plus the other parts above.

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

16 Temperature Sender / Sensor parts are listed for the 2015 Acura Ilx, from STANDARD MOTOR PRODUCTS, HOLSTEIN, BECK/ARNLEY and 10 other brands. STANDARD MOTOR PRODUCTS TX215T carries the "Popular" badge. 8 parts fit every engine; the other 8 are engine-specific.

Economy: 7 parts, from HOLSTEIN, STANDARD MOTOR PRODUCTS, CALORSTAT and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX215T.

The Standard Replacement section: 9 options from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, WELLS and 5 other brands. BECK/ARNLEY 1581570 is listed in this group.

This table covers the Temperature Sender / Sensor O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

One part is listed for the 2015 Acura Ilx — FEL-PRO 72926.

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

23 Thermostat parts for the 2015 Acura Ilx come from 11 brands — MOTORAD, CALORSTAT, AISIN and 8 other brands. The "Popular" part is MOTORAD 7328170.

The Economy section: 1 option from SKP. SKP SK902788 is listed in this group.

In the Heavy Duty grade, MOTORAD supplies 1 part: rated for severe service. A representative part number is MOTORAD 5328170.

The Performance section lists 2 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD 2328170 is listed in this group.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7328170.

Standard Replacement: 18 parts, from MOTORAD, CALORSTAT, AISIN and 7 other brands. A representative part number is AISIN THH016.

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

31 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2015 Acura Ilx, from APEX, FEL-PRO, MAHLE / CLEVITE and 8 other brands. AISIN THP505 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.

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

15 Thermostat Housing / Water Outlet parts for the 2015 Acura Ilx come from 6 brands — MOTORAD, DORMAN, GATES and 3 other brands. The "Popular" part is AUTOTECNICA HA0715580PRM.

The Economy section: 4 options from DORMAN and AUTOTECNICA. AUTOTECNICA HA0715580PRM is listed in this group.

Standard Replacement: 11 parts, from MOTORAD, GATES, FOUR SEASONS and 1 other brand. A representative part number is MOTORAD CH5975.

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

15 Water Pump parts for the 2015 Acura Ilx come from 9 brands — FVP, US MOTOR WORKS, AISIN and 6 other brands. The "Popular" part is ACDELCO 252972.

The Economy section: 5 options from FVP, US MOTOR WORKS and FAMOUS BRAND. FAMOUS BRAND T1290 is listed in this group.

Standard Replacement: 10 parts, from AISIN, GATES, DAYCO and 3 other brands. A representative part number is ACDELCO 252972.

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 are listed for the 2015 Acura Ilx, from FEL-PRO, BECK/ARNLEY, MAHLE / CLEVITE and 3 other brands. FEL-PRO 35884 carries the "Popular" badge.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: ELRING 634850.