1998 Honda Odyssey 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 are listed for the 1998 Honda Odyssey, 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, PEAK, PRESTONE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

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 8 options from VALVOLINE, BECK/ARNLEY, AISIN and 2 other brands — built to original-equipment specification. VALVOLINE ZXEL1 is listed in this group.

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

2 Coolant Hose / Pipe Seal parts for the 1998 Honda Odyssey come from AJUSA.

Part numbers include AJUSA 16022400 and AJUSA 16022450.

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

This group shows a single part: TECHPRO HO3014130.

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 1998 Honda Odyssey 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 1998 Honda Odyssey 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 1998 Honda Odyssey, 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

8 Radiator parts are listed for the 1998 Honda Odyssey, from CSF, KOYORAD, AGILITY and 5 other brands. CSF 2603 carries the "Popular" badge.

Part numbers include CSF 2603, KOYORAD A1815 and AGILITY 8011815, 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 1998 Honda Odyssey, 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.

Listed part numbers: CSF 4514, MOTORAD ST37 and GATES 31412, plus the other 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

8 Radiator Fan Assembly parts for the 1998 Honda Odyssey come from 6 brands — TECHPRO, DORMAN, ULTRA-POWER and 3 other brands. The "Popular" part is DORMAN 620242.

The Economy section: 5 options from TECHPRO, DORMAN and ULTRA-POWER. DORMAN 620242 is listed in this group.

Standard Replacement: 3 parts, from FOUR SEASONS, UAC and VDO / CONTINENTAL. A representative part number is FOUR SEASONS 76121.

This group includes DORMAN 620242, TECHPRO HO3115126 and TECHPRO HO3115132 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

3 Radiator Fan Motor parts are listed for the 1998 Honda Odyssey, from ACDELCO, FOUR SEASONS and VDO / CONTINENTAL.

This group includes ACDELCO 1580329, FOUR SEASONS 35254 and VDO / CONTINENTAL PM3777.

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 1998 Honda Odyssey come from 4 brands — GATES, ACDELCO, CONTINENTAL and 1 other brand. The "Popular" part is GATES 22182.

Listed part numbers: GATES 22182, GATES 22162 and ACDELCO 22311M, 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

24 Temperature Sender / Sensor parts are listed for the 1998 Honda Odyssey, from STANDARD MOTOR PRODUCTS, SKP, UNITED MOTOR PRODUCTS and 11 other brands. SKP SK1580154 carries the "Popular" badge.

Economy: 9 parts, from SKP, STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS and 2 other brands. A representative part number is SKP SK1580154.

The Standard Replacement section: 15 options from BECK/ARNLEY, ROSTRA, STANDARD MOTOR 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

13 Thermostat parts for the 1998 Honda Odyssey come from 7 brands — MOTORAD, BECK/ARNLEY, JAPANESE OE and 4 other brands. The "Popular" part is AISIN THH007.

Heavy Duty: 1 part, from MOTORAD. A representative part number is MOTORAD 5328170.

The Performance section lists 1 option 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: 10 parts, from BECK/ARNLEY, JAPANESE OE, AISIN and 4 other brands. A representative part number is AISIN THH007.

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

14 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 1998 Honda Odyssey, from APEX, FEL-PRO, MAHLE / CLEVITE and 7 other brands. AISIN THP505 carries the "Popular" badge.

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

8 Thermostat Housing / Water Outlet parts for the 1998 Honda Odyssey come from 6 brands — MOTORAD, GATES, DORMAN and 3 other brands. The "Popular" part is DORMAN 9025017.

The Economy section: 3 options from DORMAN, FAMOUS BRAND and GPD. DORMAN 9025017 is listed in this group.

Standard Replacement: 5 parts, from MOTORAD, GATES and FOUR SEASONS. A representative part number is MOTORAD CH5157.

Listed part numbers: DORMAN 9025017, FAMOUS BRAND 85157 and GPD 8241402, 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

12 Water Pump parts for the 1998 Honda Odyssey come from 12 brands — CARDONE, BECK/ARNLEY, FVP and 9 other brands. The "Popular" part is CARDONE 571295.

The Economy section: 6 options from CARDONE, BECK/ARNLEY, FVP and 3 other brands. CARDONE 571295 is listed in this group.

Standard Replacement: 6 parts, from AISIN, GMB, ACDELCO and 3 other brands. A representative part number is AISIN WPH001.

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

5 Water Pump Gasket parts are listed for the 1998 Honda Odyssey, from FEL-PRO, APEX, ELRING and 2 other brands. FEL-PRO 35482 carries the "Popular" badge.

Listed part numbers: FEL-PRO 35482, APEX AWP3156 and ELRING 468660, plus the other parts above.