For the 2019 Mazda CX-5 with the 2.2L 4-cylinder Diesel Turbo engine, the oil capacity is 5.1 quarts (including a filter change). The recommended oil viscosity for all temperatures includes 0W-30 and 5W-30, with an oil grade of C3. AMSOIL recommends using AMSOIL 5W-30 100% Synthetic Diesel Oil (DP530QT-EA) paired with an AMSOIL Oil Filter (EA15K51-EA) for optimal protection.
What oil does a 2019 Mazda CX-5 2.2L Diesel Turbo take?
Your vehicle requires an engine oil with an oil grade of C3. The recommended viscosities for all temperature ranges are 0W-30 or 5W-30. Using the correct viscosity is critical for maintaining the specialized Skyactiv diesel components and turbocharger performance.
AMSOIL product recommendations
The following AMSOIL products are recommended for your 2019 Mazda CX-5 2.2L Diesel Turbo based on available application data.
| Component | Product Name | Part Number |
|---|---|---|
| Engine Oil | AMSOIL 5W-30 100% Synthetic Diesel Oil | DP530QT-EA |
| Oil Filter | AMSOIL Oil Filter | EA15K51-EA |
| Oil Filter (Alt) | WIX Oil Filter | 51348-EA |
| Coolant (Pre-mix) | AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| Coolant (Concentrate) | AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
| ATF (Signature) | AMSOIL Signature Series Fuel-Efficient 100% Synthetic ATF | ATLPK-EA |
| ATF (OE) | AMSOIL OE Fuel-Efficient 100% Synthetic ATF | OTLQT-EA |
| Gear Lube | AMSOIL SEVERE GEAR® 75W-85 100% Synthetic Gear Lube | SVLPK-EA |
Engine Oil Specifications
| Specification | Details |
|---|---|
| Oil Grade | C3 |
| Viscosity Options | 0W-30, 5W-30 (All TEMPS) |
Engine Oil Capacity
| Condition | Capacity |
|---|---|
| With Filter Change | 5.1 quarts |
Note: After refilling, always check the oil level manually.
How much transmission and differential fluid is required?
The automatic transmission (GW6AX-EL) requires a 3.7 quart initial fill, though total capacity can range from 3.5L to 4.9L (3.7 to 5.1 quarts). For the 6-speed GW6AX-EL, the total fill capacity is 8.5 quarts. The rear differential has a capacity of 0.7 pints.
Automatic Transmission Fluid Details
| Component | Capacity Info |
|---|---|
| Initial Fill | 3.7 quarts |
| Total Fill (6-speed GW6AX-EL) | 8.5 quarts |
Differential Fluid Details
| Component | Capacity |
|---|---|
| Rear Differential | 0.7 pints |
Engine Oil Maintenance Details
When performing an oil change on the 2.2L diesel engine, adhere to the following technical specifications for the drain plug:
- Drain Plug Torque: 23-30 ft/lbs
- Important Note: Install a new washer on the drain bolt. Only use an OE drain plug.
Diesel maintenance notes for this vehicle
Owners of diesel-equipped CX-5 models should focus on specialized service requirements. Unlike standard gasoline engines, diesel turbochargers and high-pressure fuel systems demand strict adherence to oil viscosity standards and high-quality filtration. Maintenance schedules often include specific intervals for Diesel Particulate Filter (DPF) management and specialized coolant/fluid checks to ensure the longevity of Skyactiv components.
Common diesel oil-related concerns and how AMSOIL products may help
Diesel engines operate under unique stresses, including high soot loading and turbocharger heat. The following table outlines how specific AMSOIL products can support your maintenance needs.
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Turbocharger Wear | High heat and speed can cause premature wear. | DP530QT-EA | Delivers up to 6X more wear protection than leading industry standards. | Requires proper oil change intervals. |
| Contaminant Buildup | Diesel soot can clog filters and cause engine wear. | EA15K51-EA | 99% filtering efficiency at 20 microns; greater capacity for small contaminants. | Must be replaced according to service schedule. |
| Extreme Temperatures | Cold starts or high heat can affect lubrication. | DP530QT-EA | Excels in hot and cold temperature extremes. | N/A |
Common maintenance concerns for this vehicle
Based on the technical context of the 2.2L diesel turbo engine, owners should consider the following:
- Emissions Systems: Diesel engines require careful management of the Diesel Particulate Filter (DPF).
- Fuel Quality: High-pressure fuel systems are sensitive to fuel quality; specialized additives may be beneficial.
- Filtration Integrity: Due to diesel soot, maintaining high-efficiency oil filtration is vital for engine longevity.
Recall, TSB, and manufacturer communication notes
Official NHTSA recall research for the 2019 Mazda CX-5 returned no recall records at the time of this writing. Additionally, no consumer complaints were found in the NHTSA complaint database for this specific year/make/model combination. However, owners should always verify open recalls by VIN through a certified dealer or the NHTSA website, as applicability depends on production date and equipment.
About this vehicle
The 2019 Mazda CX-5 is a compact crossover SUV that has been a cornerstone of Mazda’s global lineup. As part of the Skyactiv technology suite, this vehicle was engineered to balance performance with improved fuel efficiency and reduced emissions through a lightweight, rigid platform.
This specific model utilizes the 2.2L diesel turbo engine, which represents a specialized configuration within the broader Skyactiv engine family. This powertrain is often utilized for its torque characteristics and fuel economy, making it suitable for long-distance driving and varied terrain. Because this variant uses a diesel engine, it requires different maintenance considerations compared to gasoline versions, particularly regarding emissions systems and strict adherence to oil viscosity standards.
The CX-5 sits within Mazda’s diverse crossover lineup, positioned as larger than the subcompact CX-30 and smaller than mid-size models like the CX-8 or flagship CX-9. Owners should note that technical specifications for diesel variants can vary significantly by region; always verify engine code requirements against the official service manual.
Common questions about this vehicle’s diesel oil and maintenance
What is the oil capacity for my 2019 Mazda CX-5 Diesel?
The capacity is 5.1 quarts when performing a change that includes the oil filter.
Which AMSOIL oil is best for the 2.2L Diesel Turbo?
AMSOIL recommends AMSOIL 5W-30 100% Synthetic Diesel Oil (DP530QT-EA) which provides outstanding protection for diesel engines.
What torque spec should I use for the oil drain plug?
The oil drain plug should be torqued to 23-30 ft/lbs. Always use a new washer and an OE drain plug.
Does this vehicle require a specific coolant type?
The AMSOIL lookup lists AMSOIL Passenger Car & Light Truck Antifreeze & Coolant (ANTPC1G-EA) for this application.
Can I use any oil filter?
While many filters exist, the AMSOIL lookup recommends the AMSOIL Oil Filter (EA15K51-EA) which offers 99% efficiency at 20 microns.
How do I check for recalls on my Mazda?
While no NHTSA records were found for this model, you should always verify open recalls by checking your specific VIN through official manufacturer channels or the NHTSA website.
Disclaimer: All technical maintenance specifications must be verified using the vehicle’s owner manual or a certified service professional.