1992 Buick Roadmaster 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 are listed for the 1992 Buick Roadmaster, from PEAK, PRESTONE, FVP and 1 other brand. 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 4 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 9 options from PEAK, FVP, VALVOLINE and 1 other brand — built to original-equipment specification. FVP DEX5050GAL is listed in this group.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

One part is listed for the 1992 Buick Roadmaster — GPD 1712535.

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

2 Coolant Reservoir Cap parts for the 1992 Buick Roadmaster come from 2 brands — DORMAN and MOTORAD.

Part numbers include DORMAN 54217 and MOTORAD T31.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 1992 Buick Roadmaster come from US MOTOR WORKS.

Listed part numbers: 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 1992 Buick Roadmaster, from ACDELCO, GATES and MOTORAD.

Part numbers include ACDELCO 12A01, GATES 31413 and MOTORAD 3003.

This table covers the Hose clamps. Read more

One part is listed for the 1992 Buick Roadmaster — GM GENUINE 12338017.

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

14 Radiator parts are listed for the 1992 Buick Roadmaster, from LILAND GLOBAL, OSC, SPECTRA PREMIUM and 4 other brands. LILAND GLOBAL 1211AA carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 1212C.

In the Premium (All Aluminum Construction) grade, LILAND GLOBAL supplies 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is LILAND GLOBAL 1211AA.

The Standard Replacement section: 10 options from OSC, SPECTRA PREMIUM, AGILITY and 2 other brands. SPECTRA PREMIUM CU1210 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

8 Radiator Cap parts are listed for the 1992 Buick Roadmaster, from CALORSTAT, GATES, MOTORAD and 2 other brands. ACDELCO RC27 carries the "Popular" badge.

The Locking Replacement section lists 4 options from CALORSTAT, GATES and MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. CALORSTAT RC0214 is listed in this group.

The Standard Replacement section: 4 options from ACDELCO, GATES, MOTORAD and 1 other brand. ACDELCO RC27 is listed in this group.

Part numbers include ACDELCO RC27, CALORSTAT RC0214 and CALORSTAT RC0217, among others listed above.

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

This group shows a single part: DORMAN 43177.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

14 Radiator Fan Clutch parts are listed for the 1992 Buick Roadmaster, from FOUR SEASONS, HAYDEN, GMB and 5 other brands. HAYDEN 2734 carries the "Popular" badge.

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 1992 Buick Roadmaster, from FOUR SEASONS, GPD and TYC.

Listed part numbers: FOUR SEASONS 35378, GPD 2311317 and TYC 630070.

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 1992 Buick Roadmaster come from 4 brands — GATES, CONTINENTAL, ACDELCO and 1 other brand. The "Popular" part is ACDELCO 24111L.

The Economy section: 1 option from GATES. GATES 25262 is listed in this group.

Standard Replacement: 9 parts, from CONTINENTAL, ACDELCO, GATES and 1 other brand. A representative part number is ACDELCO 24111L.

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

20 Temperature Sender / Sensor parts are listed for the 1992 Buick Roadmaster, from STANDARD MOTOR PRODUCTS, NTK, WELLS and 13 other brands. NTK EF0008 carries the "Popular" badge.

Economy: 7 parts, from NTK, STANDARD MOTOR PRODUCTS, GPD and 4 other brands. A representative part number is NTK EF0008.

The Standard Replacement section: 13 options from STANDARD MOTOR PRODUCTS, WELLS, ACDELCO and 8 other brands. ACDELCO 1551107 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

30 Thermostat parts for the 1992 Buick Roadmaster come from 4 brands — MOTORAD, CALORSTAT, GATES and 1 other brand. The "Popular" part is MOTORAD 300180. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by CALORSTAT, MOTORAD, GATES and 1 other brand.

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

10 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 1992 Buick Roadmaster, from MAHLE / CLEVITE, FEL-PRO, GATES and 4 other brands. FEL-PRO 35062 carries the "Popular" badge.

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

4 Thermostat Housing / Water Outlet parts for the 1992 Buick Roadmaster come from 4 brands — DORMAN, GPD, FOUR SEASONS and 1 other brand.

The Economy section: 2 options from DORMAN and GPD. DORMAN 9022023 is listed in this group.

Standard Replacement: 2 parts, from FOUR SEASONS and MOTORAD. A representative part number is FOUR SEASONS 85161.

This group includes DORMAN 9022023, GPD 8241406 and FOUR SEASONS 85161 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

7 Water Pump parts for the 1992 Buick Roadmaster come from 7 brands — FVP, SKP, US MOTOR WORKS and 4 other brands. The "Popular" part is DAYCO DP838.

The Economy section: 4 options from FVP, SKP, US MOTOR WORKS and 1 other brand. FVP US5051 is listed in this group.

Standard Replacement: 3 parts, from DAYCO, GATES and GMB. A representative part number is DAYCO DP838.

Listed part numbers: DAYCO DP838, FVP US5051 and SKP SK1301690, plus the other 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

12 Water Pump Gasket parts are listed for the 1992 Buick Roadmaster, from FEL-PRO, MAHLE / CLEVITE, APEX and 2 other brands. FEL-PRO 5152 carries the "Popular" badge.