1968 Saab Sonett 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 for the 1968 Saab Sonett 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 Heavy Duty grade, VALVOLINE supplies 1 part: rated for severe service. A representative part number is VALVOLINE ZXG051.

In the Premium grade, PRESTONE and PEAK supply 5 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 7 parts: built to original-equipment specification. A representative part number is FVP GREEN5050GAL.

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

5 Radiator Cap parts for the 1968 Saab Sonett come from 3 brands — MOTORAD, CALORSTAT and GATES.

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 ST4.

Standard Replacement: 3 parts, from CALORSTAT, GATES and MOTORAD. A representative part number is CALORSTAT RC0068.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes MOTORAD ST4, CALORSTAT RC0068 and GATES 31524 and the remaining parts above.

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

3 Radiator Hose parts are listed for the 1968 Saab Sonett, from CONTINENTAL, DAYCO and GATES.

This group includes CONTINENTAL 52015, DAYCO 81041 and GATES 25252.

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 9 Thermostat parts for the 1968 Saab Sonett. MOTORAD 202192 carries the "Popular" badge.

In the Performance grade, MOTORAD supplies 2 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2002192.

The Premium section: 3 options from MOTORAD. MOTORAD 7202192 is listed in this group.

The Standard Replacement section: 4 options from MOTORAD. MOTORAD 202192 is listed in this group.

This group includes MOTORAD 202192, MOTORAD 2002192 and MOTORAD 2002180 and the remaining parts above.

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

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 1968 Saab Sonett come from 2 brands — GATES and JAPANESE OE.

This group includes GATES 33644 and JAPANESE OE 11062S3001.