2001 Acura RL 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 2001 Acura RL, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge.

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, VALVOLINE, AISIN and 2 other brands — built to original-equipment specification. VALVOLINE 861398 is listed in this group.

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

One part is listed for the 2001 Acura RL — CONTINENTAL 63100.

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

This group shows a single part: TECHPRO AC3014113.

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 2001 Acura RL come from 3 brands — CALORSTAT, DORMAN and MOTORAD.

Part numbers include CALORSTAT RC0175, DORMAN 54370 and MOTORAD T135.

This table covers the Cooling Fan control modules. Read more

4 Cooling Fan Control Module parts for the 2001 Acura RL come from 2 brands — US MOTOR WORKS and WELLS.

Listed part numbers: US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795, plus the other parts above.

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

3 Cooling System Tester Adapter parts are listed for the 2001 Acura RL, 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

9 Radiator parts are listed for the 2001 Acura RL, from CSF, KOYORAD, AGILITY and 6 other brands. CSF 2448 carries the "Popular" badge.

This group includes CSF 2448, KOYORAD A1912 and AGILITY 8011912 and the remaining parts above.

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

6 Radiator Cap parts are listed for the 2001 Acura RL, from MOTORAD, CSF, GATES and 2 other brands. CSF 4514 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: 5 options from CSF, GATES, CALORSTAT and 2 other brands. CSF 4514 is listed in this group.

Part numbers include CSF 4514, MOTORAD ST37 and GATES 31412, 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 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

One part is listed for the 2001 Acura RL — VDO / CONTINENTAL PM2801.

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

10 Radiator Hose parts for the 2001 Acura RL come from 4 brands — DAYCO, CONTINENTAL, ACDELCO and 1 other brand. The "Popular" part is DAYCO 81041.

The Economy section: 2 options from DAYCO and CONTINENTAL. DAYCO 81041 is listed in this group.

Standard Replacement: 8 parts, from DAYCO, ACDELCO, CONTINENTAL and 1 other brand. A representative part number is DAYCO 71292.

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

23 Temperature Sender / Sensor parts are listed for the 2001 Acura RL, from STANDARD MOTOR PRODUCTS, SKP, UNITED MOTOR PRODUCTS and 12 other brands. SKP SK1580154 carries the "Popular" badge.

Economy: 9 parts, from SKP, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 3 other brands. A representative part number is SKP SK1580154.

The Standard Replacement section: 14 options from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 7 other brands. BECK/ARNLEY 1580154 is listed in this group.

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

16 Thermostat parts for the 2001 Acura RL come from 9 brands — MOTORAD, GATES, BECK/ARNLEY and 6 other brands. The "Popular" part is MOTORAD 5302170.

In the Heavy Duty grade, MOTORAD and GATES supply 2 parts: rated for severe service. A representative part number is MOTORAD 5302170.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7302170.

Standard Replacement: 13 parts, from MOTORAD, BECK/ARNLEY, CALORSTAT and 6 other brands. A representative part number is AISIN THH017.

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

12 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2001 Acura RL, from FEL-PRO, APEX, BECK/ARNLEY and 7 other brands. BECK/ARNLEY 0390115 carries the "Popular" badge.

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

5 Thermostat Housing / Water Outlet parts for the 2001 Acura RL come from 5 brands — GPD, DORMAN, FAMOUS BRAND and 2 other brands. The "Popular" part is GPD 8241507.

The Economy section: 3 options from GPD, DORMAN and FAMOUS BRAND. GPD 8241507 is listed in this group.

Standard Replacement: 2 parts, from FOUR SEASONS and MOTORAD. A representative part number is FOUR SEASONS 85310.

This group includes GPD 8241507, DORMAN 9025067 and FAMOUS BRAND 85310 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

6 Water Pump parts for the 2001 Acura RL come from 5 brands — FVP, US MOTOR WORKS, AIRTEX and 2 other brands. The "Popular" part is US MOTOR WORKS US9354.

The Economy section: 3 options from US MOTOR WORKS, AIRTEX and FVP. US MOTOR WORKS US9354 is listed in this group.

Standard Replacement: 3 parts, from GATES, FVP and GMB. A representative part number is GATES 43133.

This group includes US MOTOR WORKS US9354 and AIRTEX AW9354 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

3 Water Pump Gasket parts are listed for the 2001 Acura RL, from APEX, MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: APEX AWP3150, MAHLE / CLEVITE K32450 and VICTOR REINZ 711603400.

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: AJUSA 00794200.