41 Cooling system parts are listed for the 1971 Fiat 128, in 7 part types, covering the 1.1L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The cooling system system on the 1971 Fiat 128 keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Coolant / Antifreeze (15 parts), Thermostat (9 parts) and Thermostat / Thermostat Housing / Water Outlet Seal (6 parts). The other 4 part types cover the remaining 11 parts.
The 1971 Fiat 128 came with a single engine, the 1.1L L4, and every part is verified against it.
18 brands supply cooling system parts for the 1971 Fiat 128, led by PEAK (7 parts), PRESTONE (5 parts) and GATES (5 parts), plus 15 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 1971 Fiat 128. 7 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and GATES 33208 (Thermostat). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | GREEN5050GAL | 🇺🇸 US 🇨🇦 CA | Low Silicate Blend1 Gallon | View on Amazon |
| PEAK | BMA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Conventional Green1 Gallon | View on Amazon |
| PEAK | RUA1GAL | 🇺🇸 US 🇨🇦 CA | Conventional Green1 Gallon | View on Amazon |
| PEAK | FFA1GAL | 🇺🇸 US 🇨🇦 CA | Full Force Conventional Green1 Gallon | View on Amazon |
| PEAK | SEP1GAL | 🇺🇸 US 🇨🇦 CA | Sierra Conventional Green Concentrate Low Toxic Option1 Gallon | View on Amazon |
| PRESTONE | AF3300 | 🇺🇸 US 🇨🇦 CA | Prime Conventional Green 1 Gallon | View on Amazon |
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.
15 Coolant / Antifreeze parts are listed for the 1971 Fiat 128, 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 6 options from PEAK, FVP and PRESTONE — built to original-equipment specification. FVP GREEN5050GAL is listed in this group.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 60425 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
One part is listed for the 1971 Fiat 128 — CONTINENTAL 60425.
Radiator Hose
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DAYCO | 81041 | 🇺🇸 US 🇨🇦 CA | Flex Radiator Hose | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 60804 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
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.
2 Radiator Hose parts for the 1971 Fiat 128 come from 2 brands — DAYCO and CONTINENTAL.
The Economy section: 1 option from DAYCO. DAYCO 81041 is listed in this group.
Standard Replacement: 1 part, from CONTINENTAL. A representative part number is CONTINENTAL 60804.
Part numbers include DAYCO 81041 and CONTINENTAL 60804.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER | 1T1112 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 680098 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| STANDARD MOTOR PRODUCTS | TS109 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| WELLS | 1T1112 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
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.
4 Temperature Sender / Sensor parts are listed for the 1971 Fiat 128, from ULTRA-POWER, ROSTRA, STANDARD MOTOR PRODUCTS and 1 other brand.
Economy: 1 part, from ULTRA-POWER. A representative part number is ULTRA-POWER 1T1112.
The Standard Replacement section: 3 options from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS. ROSTRA 680098 is listed in this group.
Listed part numbers: ULTRA-POWER 1T1112, ROSTRA 680098 and STANDARD MOTOR PRODUCTS TS109, plus the other parts above.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9025952 | 🇺🇸 US 🇨🇦 CA | Includes Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 33208 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| GATES Popular | 33209 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| BECK/ARNLEY | 1430640 | 🇺🇸 US 🇨🇦 CA | OE TemperatureThrough Engine Serial # 1180651 | View on Amazon |
| BECK/ARNLEY | 1430706 | 🇺🇸 US 🇨🇦 CA | Alternate TemperatureThrough Engine Serial # 1180651 | View on Amazon |
| BECK/ARNLEY | 1430641 | 🇺🇸 US 🇨🇦 CA | Includes Gasket/Seal | View on Amazon |
| MOTORAD | 235180 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD | 235195 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| MOTORAD | 255180 | 🇺🇸 US 🇨🇦 CA | Includes Housing, Thermostat | View on Amazon |
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.
9 Thermostat parts for the 1971 Fiat 128 come from 4 brands — BECK/ARNLEY, MOTORAD, GATES and 1 other brand. The "Popular" part is GATES 33208.
The Economy section: 1 option from DORMAN. DORMAN 9025952 is listed in this group.
Standard Replacement: 8 parts, from BECK/ARNLEY, MOTORAD and GATES. A representative part number is GATES 33208.
Part numbers include GATES 33208, DORMAN 9025952 and GATES 33209, among others listed above.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 33635 | 🇺🇸 US 🇨🇦 CA | Thermostat Gasket - 4" x 6" Gasket Material | View on Amazon |
| GATES Popular | 33607 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal - 1 15/16" x 2 1/4" x 5/32" (O-Ring) | View on Amazon |
| FACET | 79590 | 🇺🇸 US 🇨🇦 CA | O-Ring | View on Amazon |
| GATES | 34030 | 🇺🇸 US 🇨🇦 CA | Thermostat Gasket - 3 1/4" x 3 1/2" Gasket Material | View on Amazon |
| MOTORAD | MG30 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANT | 25269 | 🇺🇸 US 🇨🇦 CA | Replaced by 27269Thermostat Seal | View on Amazon |
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.
6 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 1971 Fiat 128, from GATES, FACET, MOTORAD and 1 other brand. GATES 33635 carries the "Popular" badge.
This group includes GATES 33635, GATES 33607 and FACET 79590 and the remaining parts above.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1312347 | 🇺🇸 US 🇨🇦 CA | Metal Impeller | View on Amazon |
| FVP | US9084 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| US MOTOR WORKS | US9084 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB | 1231010 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
4 Water Pump parts for the 1971 Fiat 128 come from 4 brands — BECK/ARNLEY, FVP, US MOTOR WORKS and 1 other brand.
The Economy section: 3 options from BECK/ARNLEY, FVP and US MOTOR WORKS. BECK/ARNLEY 1312347 is listed in this group.
Standard Replacement: 1 part, from GMB. A representative part number is GMB 1231010.
Listed part numbers: BECK/ARNLEY 1312347 and FVP US9084, plus the other parts above.
Buying Cooling System Parts for a 1971 Fiat 128
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 1.1L L4 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Thermostat .
Frequently Asked Questions
How many cooling system parts fit the 1971 Fiat 128?
Our catalog currently lists 41 cooling system parts for the 1971 Fiat 128 across 7 subcategories and 18 brands, covering the 1.1L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 1971 Fiat 128?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 1971 Fiat 128 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 1971 Fiat 128?
Every part on this page is matched to the 1.1L L4 engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 1971 Fiat 128
Cooling System Parts for Other Fiat 128 Years
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