The 1986 Lada Signet has 31 cooling system parts with verified fitment on this page — 5 part types and 10 brands, covering both the 1.3L L4 and the 1.5L L4. Each part includes a manufacturer part number and application notes.
On the 1986 Lada Signet, 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. Most of the listed parts are Coolant / Antifreeze (17 parts), Radiator Cap (5 parts) and Thermostat (4 parts). The other 2 part types cover the remaining 5 parts.
The 1986 Lada Signet was sold with both the 1.3L L4 and the 1.5L L4. 20 parts fit every engine; the other 11 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 1986 Lada Signet cooling system parts are PEAK (8 parts), PRESTONE (5 parts) and MOTORAD (5 parts), plus 7 more brands. Quality grades include Standard Replacement, Economy and Premium.
4 parts on this 1986 Lada Signet page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and PRESTONE AF3100 (Coolant / Antifreeze). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 1986 Signet engines | AF3055 | 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 1986 Signet engines | MV5050GAL | 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular Fits: all 1986 Signet engines | AF3100 | 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK Fits: all 1986 Signet engines | BQA1GAL | 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE Fits: all 1986 Signet engines | 719009 | 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: all 1986 Signet engines | ZXG051 | 🇨🇦 CA | G05 Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 1986 Signet engines | AF2100 | 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 1986 Signet engines | PKP1GAL | 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 1986 Signet engines | PXA1GAL | 🇨🇦 CA | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE Fits: all 1986 Signet engines | AFMAX | 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: all 1986 Signet engines | GREEN5050GAL | 🇨🇦 CA | Low Silicate Blend1 Gallon | View on Amazon |
| PEAK Fits: all 1986 Signet engines | BMA1GAL | 🇨🇦 CA | Blue Mountain Conventional Green1 Gallon | View on Amazon |
| PEAK Fits: all 1986 Signet engines | RUA1GAL | 🇨🇦 CA | Conventional Green1 Gallon | View on Amazon |
| PEAK Fits: all 1986 Signet engines | FFA1GAL | 🇨🇦 CA | Full Force Conventional Green1 Gallon | View on Amazon |
| PEAK Fits: all 1986 Signet engines | PEB1GAL | 🇨🇦 CA | OET European Extended Life Blue1 Gallon | View on Amazon |
| PEAK Fits: all 1986 Signet engines | SEP1GAL | 🇨🇦 CA | Sierra Conventional Green Concentrate Low Toxic Option1 Gallon | View on Amazon |
| PRESTONE Fits: all 1986 Signet engines | AF3300 | 🇨🇦 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.
17 Coolant / Antifreeze parts for the 1986 Lada Signet come from 4 brands — PEAK, PRESTONE, FVP and 1 other brand. The "Popular" part is FVP MV5050GAL. Every part fits both the 1.3L L4 and the 1.5L L4.
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 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 7 parts: built to original-equipment specification. A representative part number is FVP GREEN5050GAL.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 1.5L L4 | 12A01 | 🇺🇸 US 🇨🇦 CA | ProfessionalIncluded In Tester | View on Amazon |
| MOTORAD Fits: 1.5L L4 | 3003 | 🇨🇦 CA | StandardIncluded In Tester Kit | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
2 Cooling System Tester Adapter parts for the 1986 Lada Signet come from 2 brands — ACDELCO and MOTORAD.
Listed part numbers: ACDELCO 12A01 and MOTORAD 3003.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 1.5L L4 | ST7 | 🇨🇦 CA | Safety Lever | View on Amazon |
| SKP Fits: 1.5L L4 | SKST7 | 🇨🇦 CA | with Safety Lever | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: 1.5L L4 | RC0067 | 🇨🇦 CA | PerformanceIncludes Seal | View on Amazon |
| MOTORAD Fits: 1.5L L4 | T7 | 🇨🇦 CA | Standard | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: 1.3L L4 | RC0067 | 🇨🇦 CA | PerformanceIncludes Seal | View on Amazon |
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.
5 Radiator Cap parts for the 1986 Lada Signet come from 3 brands — MOTORAD, CALORSTAT and SKP.
In the Locking Replacement grade, MOTORAD and SKP supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST7.
Standard Replacement: 2 parts, from CALORSTAT and MOTORAD. A representative part number is CALORSTAT RC0067.
1 further part sits outside the graded sections, with the same engine-level match.
Part numbers include MOTORAD ST7, SKP SKST7 and CALORSTAT RC0067, among others listed above.
Radiator Hose
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: all 1986 Signet engines | 52017 | 🇨🇦 CA | FlexibleDoes Not include seals | View on Amazon |
| CONTINENTAL Fits: all 1986 Signet engines | 52015 | 🇨🇦 CA | FlexibleDoes Not include seals | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL Fits: all 1986 Signet engines | 60425 | 🇨🇦 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.
CONTINENTAL supplies the 3 Radiator Hose parts for the 1986 Lada Signet. All of them fit every engine offered in the 1986 Signet.
Economy: 2 parts, from CONTINENTAL. A representative part number is CONTINENTAL 52017.
The Standard Replacement section: 1 option from CONTINENTAL. CONTINENTAL 60425 is listed in this group.
Part numbers include CONTINENTAL 52017, CONTINENTAL 52015 and CONTINENTAL 60425.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 1.5L L4 | 9026137 | 🇨🇦 CA | 192 Degrees FahrenheitAssembly | View on Amazon |
| DORMAN Fits: 1.5L L4 | 9026138 | 🇨🇦 CA | 180 Degrees FahrenheitAssembly | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 1.5L L4 | 262180 | 🇨🇦 CA | Includes Housing, Thermostat | View on Amazon |
| MOTORAD Fits: 1.5L L4 | 262192 | 🇨🇦 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.
4 Thermostat parts are listed for the 1986 Lada Signet, from DORMAN and MOTORAD.
Economy: 2 parts, from DORMAN. A representative part number is DORMAN 9026137.
The Standard Replacement section: 2 options from MOTORAD. MOTORAD 262180 is listed in this group.
Part numbers include DORMAN 9026137, DORMAN 9026138 and MOTORAD 262180, among others listed above.
Buying Cooling System Parts for a 1986 Lada Signet
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.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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 Radiator Cap .
Frequently Asked Questions
How many cooling system parts fit the 1986 Lada Signet?
Our catalog currently lists 31 cooling system parts for the 1986 Lada Signet across 5 subcategories and 10 brands, covering both the 1.3L L4 and the 1.5L L4. Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 1986 Lada Signet engines?
Some do. 20 parts fit every engine; the other 11 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 1986 Lada Signet?
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 1986 Lada Signet 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 1986 Lada Signet?
First match the engine — each row shows which engine(s) the part fits. 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 1986 Lada Signet
Cooling System Parts for Other Lada Signet Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.