Using the correct fluid is not optional. Aisin designs its transmissions with precise friction characteristics. The wrong ATF can lead to harsh shifting, overheating, premature clutch wear, and even complete transmission failure.
This guide provides a complete Aisin transmission fluid compatibility chart, covering the most common Aisin automatic transmissions found in passenger cars, SUVs, vans, and trucks.
Aisin Transmission Fluid Compatibility Chart
| Aisin Transmission Model | Vehicle Examples | Compatible Fluid (OEM Spec) |
|---|---|---|
| A130 / A131L | Toyota Corolla (1980s–90s) | Dexron II / III |
| A140E / A140L | Toyota Camry, Celica | Dexron III |
| A240E / A241E | Toyota Avalon, Camry | Dexron III |
| A245E | Toyota Corolla, Geo Prizm | Dexron III |
| A250E | Toyota Vista | Dexron III |
| A340E / A340F | Toyota 4Runner, Tacoma, Lexus SC300 | Toyota T-IV |
| A341E | Lexus LS400, Toyota Supra | Toyota T-IV |
| A343F | Toyota Land Cruiser, Lexus LX470 | Toyota T-IV |
| A440F | Toyota Land Cruiser (older models) | Dexron II / III |
| A442F | Land Cruiser 80 Series | Dexron III |
| A540E / A541E | Toyota Avalon, Camry V6 | Toyota T-IV |
| A650E | Lexus GS300 | Toyota T-IV |
| A750E / A750F | Toyota 4Runner, Prado, FJ Cruiser | Toyota WS |
| A760E / A760F | Toyota/Lexus V6–V8 sedans/SUVs | Toyota WS |
| A761E | Lexus LS430 | Toyota WS |
| A960E / A960F | Lexus IS250, Toyota Corolla XRS | Toyota WS |
| AW50-40LE | Volvo 850/S70, VW Passat | JWS 3309 |
| AW55-50SN (AF23/33) | Volvo, Saab, Nissan, Opel | JWS 3309 |
| AW60-40LE | Toyota Yaris, Mazda Demio | Toyota T-IV |
| AW70 / AW71 | Older Volvo models | Dexron III |
| AW372 / AW372L | Medium-duty trucks | Dexron III |
| AW450-43LE | Toyota Land Cruiser Prado | Toyota T-IV |
| TF-50SN | Volvo S40/V50 | AW-1 |
| TF-60SN (09G) | VW, Audi, Mini Cooper | VW G 055 025 A2 |
| TF-70SC | Peugeot, Citroën 1.6L | AW-1 |
| TF-71SC | GM, Peugeot | AW-1 |
| TF-72SC | Geely, Volvo compact | AW-1 |
| TF-73SC | Volvo hybrid units | AW-1 |
| TF-80SC (AF40-6) | Volvo, Saab, GM, Ford | AW-1 or JWS 3309 (depending on year) |
| TF-81SC | Ford Mondeo, Volvo | AW-1 |
| TF-82SC | Volvo XC60, Toyota Avensis | AW-1 |
| TG-80FS | Ford S-Max/Mondeo | AW-1 |
| TG-81SC | Volvo XC90, Peugeot 508 | AW-1 |
| TG-82SC | Newer Volvo models | AW-1 |
| TL-80SN | Citroën, Peugeot | AW-1 |
| TR-55SN | Volvo S60, V70 | AW-1 |
| TR-60SN (09D) | VW Touareg, Porsche Cayenne | VW G 055 005 A2 |
| TR-80SD (0C8) | Audi Q7, Porsche Cayenne | VW G 055 540 A2 |
| TR-1000 | Commercial trucks | Dexron VI (OEM-specific) |
| AW RWD 8-Speed (AA80E) | Lexus LS460, GS460 | Toyota WS |
| AWR6B45 / 65 | BMW Mini (Aisin 6-speed) | BMW ATF LT 71141 |
| AWR6F25 | Ford Fiesta, Mazda 2 | Mercon V |
| Aisin AG6 / AQ6 | Mercedes 6-speed (Aisin version) | MB 236.14 |
| Aisin AWF8F35 / AWF8G45 | Ford, Lincoln 8-speed | Mercon ULV |
| Aisin AWF8F55 | GM 8-speed (Aisin variant) | Dexron ULV |
| Aisin AW8F45 / AW8F35 | Peugeot, Opel | AW-1 |
| Aisin EAT8 (AT8) | Peugeot, Citroën | AW-1 |
| Aisin 8-Speed (AA80E/AB60E) | Toyota Tundra, Sequoia | Toyota WS |
| AB60E / AB60F | Toyota Land Cruiser, Tundra | Toyota WS |
| AWR8 (Aisin AW 8-speed FWD) | Volvo, Toyota hybrid | AW-1 |
| Aisin Hybrid eCVT (HF35) | Ford Fusion Hybrid | Mercon LV |
| Aisin THS Hybrid eCVT | Toyota Prius hybrid systems | Toyota WS |
| Aisin AW CVT (CVT7 / CVT8) | Toyota, Nissan, Subaru | Toyota CVT FE / NS-2 / NS-3 (vehicle dependent) |
| Aisin AW CVT10 | Toyota Corolla/Levin hybrid | Toyota CVT FE |
| Aisin Commercial 6-Speed (Aisin M036) | Buses, HCVs | Dexron VI |
| Aisin AS68RC | Ram 3500/4500/5500 | ATF+4 |
| Aisin AS69RC | Ram chassis cab | ATF+4 |
Related Transmission Fluid Level Chart(For All Types)
Understanding Aisin Transmission Fluid Types
Aisin uses multiple fluid standards depending on design, clutch friction materials, and shift logic. Here are the most common:
1. Toyota Type T-IV / JWS 3309
Used in many older Aisin units from Toyota, Volvo, Nissan, and Saab.
– High-friction fluid
– Supports smooth but firm shifts
– Not interchangeable with WS or Dexron VI
2. Toyota WS (World Standard)
The most widely used modern Aisin fluid.
– Low viscosity for fuel-efficient designs
– Synthetic blend
– Cannot mix with T-IV or Dexron fluids
3. Aisin AW-1
An ultra-low viscosity ATF used in newer Aisin 6-speed and 8-speed transmissions.
– Higher thermal stability
– Better cold-weather performance
4. Dexron III
Used in older Aisin transmissions and light commercial vehicles.
5. ATF+4
Used in heavy-duty Aisin transmissions (AS68RC, AS69RC) installed in Ram trucks.
6. Manufacturer-specific fluids
Certain Aisin transmissions used in VW, Audi, and Porsche require
– VW G 055 025 A2
– VW G 055 005 A2
– VW G 055 540 A2
Mixing these with Toyota WS or Dexron is not recommended.
Related Allison Transmission Fluid Capacity Chart(All Models)
Why Using the Correct Aisin Transmission Fluid Matters
Aisin transmissions rely on precise hydraulic pressure and clutch friction materials. Using an incorrect fluid can cause:
- Rough or delayed shifting
- Overheating and fluid breakdown
- Clutch slippage
- Torque converter shudder
- Hard engagement in cold weather
- Premature transmission failure
Aisin transmissions are extremely durable when maintained with the right fluid. Many last 200,000–350,000 miles with proper service.
How Often Should You Change Aisin Transmission Fluid?
Most Aisin transmissions benefit from fluid changes every:
- 30,000–60,000 miles (severe use)
- 60,000–100,000 miles (normal use)
Toyota often labels WS as “lifetime,” but real-world testing shows that ATF degrades under heat and towing.
A fluid color check is recommended every 20,000 miles.
Signs You Have the Wrong Transmission Fluid
If the wrong fluid is used in an Aisin transmission, symptoms typically appear within days or weeks:
- Harsh shifts
- Shudder when accelerating
- Slipping between gears
- Check Engine or Transmission warning light
- Overheating
- Delayed gear engagement
Flushing and replacing with the correct OEM fluid can often resolve issues if caught early.
FAQ
What is the best transmission fluid for Aisin transmission?
The best transmission fluid for an Aisin transmission depends on the exact model. Common options include:
- Toyota WS – for most modern Toyota/Lexus Aisin 6- and 8-speed units.
- Toyota Type T-IV / JWS 3309 – for older Toyota, Volvo, Nissan, and Saab Aisin units.
- AW-1 – for newer Volvo and Peugeot Aisin transmissions.
- ATF+4 – for heavy-duty Aisin transmissions like Ram AS68RC.
- Always follow the vehicle manufacturer’s manual, as using the wrong fluid can cause harsh shifting or transmission damage.
What can I replace Dexron III with?
Dexron III can generally be replaced with:
- Dexron VI – backward-compatible and offers improved thermal stability.
- Mercon V – in some applications where OEM allows.
- JWS 3309 – only if the transmission specifically permits it (mostly older Aisin units).
- Never assume universal ATF is safe; check OEM specs first.
What is the alternative to Toyota ATF T-IV?
Toyota T-IV (Type IV) is a high-friction fluid used in many older Aisin transmissions. Alternatives include:
- JWS 3309 – globally recognized equivalent to T-IV.
- Some compatible Dexron III / II fluids in very limited applications (only older transmissions).
- Do not mix T-IV with Toyota WS or AW-1, as these have different friction characteristics.
Can you mix different brands of synthetic transmission fluid?
It is generally not recommended to mix brands, even if both meet the same OEM spec. Differences in:
- Friction modifiers
- Additive chemistry
- Viscosity
- …can affect clutch engagement, shift smoothness, and long-term transmission life. Always use one brand/type per fill.
How often should I change Aisin transmission fluid?
Recommended intervals vary by transmission type and vehicle use:
- Normal driving: Every 60,000–100,000 miles
- Severe use / towing: Every 30,000–60,000 miles
- High-performance or hybrid vehicles: Follow OEM hybrid CVT guidelines
- Check fluid condition (color, smell, consistency) at 20,000-mile intervals. A dark or burnt-smelling fluid indicates it should be changed sooner.
What is the difference between ATF and Dexron?
- ATF (Automatic Transmission Fluid) – a general term for fluids designed for automatic transmissions. Contains friction modifiers, detergents, and anti-wear additives.
- Dexron – a specific ATF standard developed by GM. Variants include Dexron II, III, and VI.
- Key difference: Not all ATFs are Dexron, but Dexron is always ATF. Using a non-Dexron fluid in a transmission requiring Dexron can lead to poor shift quality or damage.
