1971 Checker Aerobus 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

15 Coolant / Antifreeze parts for the 1971 Checker Aerobus come from 4 brands — PEAK, PRESTONE, FVP and 1 other brand. The "Popular" part is FVP MV5050GAL.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PRESTONE, PEAK and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, PEAK, FVP and PRESTONE supply 6 parts: built to original-equipment specification. A representative part number is FVP GREEN5050GAL.

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

This group shows a single part: MOTORAD 3003.

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

3 Radiator Cap parts for the 1971 Checker Aerobus come from 2 brands — MOTORAD and SKP.

In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST13.

Standard Replacement: 2 parts, from MOTORAD and SKP. A representative part number is MOTORAD T13.

Part numbers include MOTORAD ST13, MOTORAD T13 and SKP SK10229.

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

DAYCO supplies the 3 Radiator Hose parts for the 1971 Checker Aerobus.

Economy: 1 part, from DAYCO. A representative part number is DAYCO 81161.

The Standard Replacement section: 2 options from DAYCO. DAYCO 70311 is listed in this group.

Part numbers include DAYCO 81161, DAYCO 70311 and DAYCO 70344.

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

MOTORAD supplies the 17 Thermostat parts for the 1971 Checker Aerobus. MOTORAD 2000160 carries the "Popular" badge.

Economy: 3 parts, from MOTORAD. A representative part number is MOTORAD 300160.

The Heavy Duty section lists 3 options from MOTORAD — rated for severe service. MOTORAD 5200160 is listed in this group.

In the Performance grade, MOTORAD supplies 4 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2000160.

The Premium section: 3 options from MOTORAD. MOTORAD 7200180 is listed in this group.

The Standard Replacement section: 4 options from MOTORAD. MOTORAD 200180 is listed in this group.

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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1971 Checker Aerobus come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

This group includes FEL-PRO 35062, FEL-PRO 35562T and MAHLE / CLEVITE C24109 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

5 Water Pump Gasket parts for the 1971 Checker Aerobus come from 2 brands — FEL-PRO and VICTOR REINZ. The "Popular" part is FEL-PRO 5152.

This group includes FEL-PRO 5152, FEL-PRO 13032 and FEL-PRO ES73030 and the remaining parts above.

This table covers the Water Pump Stud kits. Read more

ARP supplies the 3 Water Pump Stud Kit parts for the 1971 Checker Aerobus.

Part numbers include ARP 1343204, ARP 1343203 and ARP 4343203.