2008 Honda S2000 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 2008 Honda S2000, 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 2008 Honda S2000 — CONTINENTAL 63302.

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

3 Coolant Reservoir parts for the 2008 Honda S2000 come from 3 brands — DORMAN, GPD and TECHPRO.

This group includes DORMAN 603320, GPD 2411381 and TECHPRO HO3014125.

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 2008 Honda S2000 come from 3 brands — CALORSTAT, DORMAN and MOTORAD.

Listed part numbers: CALORSTAT RC0175, DORMAN 54370 and MOTORAD T135.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2008 Honda S2000 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 2008 Honda S2000, from MOTORAD and GATES.

Part numbers include 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

5 Radiator parts are listed for the 2008 Honda S2000, from ULTRA-POWER, KOYORAD, AGILITY and 2 other brands. KOYORAD A13016 carries the "Popular" badge.

Economy: 1 part, from ULTRA-POWER. A representative part number is ULTRA-POWER 13016.

The Standard Replacement section: 4 options from KOYORAD, AGILITY, DENSO and 1 other brand. KOYORAD A13016 is listed in this group.

Part numbers include KOYORAD A13016, ULTRA-POWER 13016 and AGILITY 8012344, among others listed 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 2008 Honda S2000, 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.

This group includes CSF 4514, MOTORAD ST37 and GATES 31412 and the remaining parts 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

This group shows a single part: UAC FA50222C.

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

4 Radiator Hose parts for the 2008 Honda S2000 come from 2 brands — ACDELCO and GATES.

Listed part numbers: ACDELCO 26460X, ACDELCO 26461X and GATES 22824, plus the other parts above.

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

This group shows a single part: DORMAN 927241.

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 2008 Honda S2000, from STANDARD MOTOR PRODUCTS, HOLSTEIN, VEMO and 11 other brands. SKP SK5S1529 carries the "Popular" badge.

Economy: 10 parts, from STANDARD MOTOR PRODUCTS, HOLSTEIN, VEMO and 3 other brands. A representative part number is SKP SK5S1529.

The Standard Replacement section: 13 options from STANDARD MOTOR PRODUCTS, WELLS, NTK and 6 other brands. DELPHI TS10296 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

15 Thermostat parts for the 2008 Honda S2000 come from 9 brands — MOTORAD, BECK/ARNLEY, CALORSTAT 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: 12 parts, from MOTORAD, BECK/ARNLEY, CALORSTAT and 5 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

9 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2008 Honda S2000, from FEL-PRO, MOTORAD, AISIN and 6 other brands. FEL-PRO 35162 carries the "Popular" badge.

Part numbers include FEL-PRO 35162, MOTORAD MG81 and AISIN THP509, among others listed above.

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

5 Thermostat Housing / Water Outlet parts for the 2008 Honda S2000 come from 5 brands — DORMAN, GPD, BECK/ARNLEY and 2 other brands. The "Popular" part is BECK/ARNLEY 1470088.

The Economy section: 2 options from DORMAN and GPD. DORMAN 9025098 is listed in this group.

Standard Replacement: 3 parts, from BECK/ARNLEY, FOUR SEASONS and MOTORAD. A representative part number is BECK/ARNLEY 1470088.

This group includes BECK/ARNLEY 1470088, DORMAN 9025098 and GPD 8241475 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

5 Water Pump parts for the 2008 Honda S2000 come from 5 brands — BECK/ARNLEY, US MOTOR WORKS, WJB / INMOTION PARTS and 2 other brands. The "Popular" part is GATES 43506.

The Economy section: 3 options from BECK/ARNLEY, US MOTOR WORKS and WJB / INMOTION PARTS. BECK/ARNLEY 1312292 is listed in this group.

Standard Replacement: 2 parts, from GATES and DAYCO. A representative part number is GATES 43506.

This group includes GATES 43506, BECK/ARNLEY 1312292 and US MOTOR WORKS US9403 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

One part is listed for the 2008 Honda S2000 — BECK/ARNLEY 0394187.