2010 Mazda CX-9 Engine – 3.7L V6 VIN A
3.7L V6 | VIN A – 8th Digit | From 10/01/09 | Gasoline
Looking for a 2010 Mazda CX-9 engine for your replacement project? This application is for the 3.7L V6 gasoline engine with VIN A in the 8th digit, for vehicles produced from October 1, 2009 onward.
Choosing the correct replacement motor requires more than matching the year and engine size. The VIN and production date are important for checking whether the replacement matches your vehicle.
Send us your complete 17-digit VIN. Our team can help verify the application and check available used engine options for your Mazda CX-9.
Have your VIN ready? We can help verify fitment.


2010 Mazda CX-9 Engine Overview
The 2010 Mazda CX-9 engine covered on this page is a naturally aspirated 3.7L V6 gasoline engine. Mazda lists the engine at 273 horsepower and 270 lb-ft of torque, paired with a six-speed Sport automatic transmission. The CX-9 was available in both front-wheel-drive and all-wheel-drive configurations.
When the original engine develops major internal damage, replacing the complete motor may be worth considering alongside a rebuild. The right decision depends on the diagnosis, repair cost, overall condition of the vehicle, and availability of a suitable replacement.
For this particular application, the VIN A (8th digit) and production date from 10/01/09 are important fitment details. Similar 2010 CX-9 engine listings distinguish between different VIN applications and production-date ranges, so verify the full vehicle information before buying.


2010 Mazda CX-9 Engine Specs
This listing focuses on the 3.7L V6, VIN A in the 8th digit, for vehicles from 10/01/09 onward. Verify the full VIN and production date before ordering a replacement engine.
| Year | 2010 |
|---|---|
| Make | Mazda |
| Model | CX-9 |
| Engine | 3.7L V6 |
| Displacement | 3,726 cc / approximately 227.4 cu. in. |
| VIN Application | A – 8th Digit |
| Production Date | From 10/01/09 |
| Cylinder Configuration | V6 / 6 Cylinders |
| Valve Configuration | DOHC, 24-Valve |
| Fuel Type | Gasoline |
| Induction | Naturally Aspirated |
| Horsepower | 273 hp at 6,250 rpm |
| Torque | 270 lb-ft at 4,250 rpm |
| Transmission | 6-Speed Sport Automatic |
| Drive Configuration | FWD or AWD, depending on vehicle |
| Part Type | Used Engine / Motor |
Need the Right Mazda CX-9 Engine?
Don’t guess between similar engine applications. Send us your VIN and let our team help check the correct replacement.
VIN-based fitment assistance • Used replacement options • Nationwide availability
How to Identify the Correct 3.7L Mazda CX-9 Engine
The 2010 Mazda CX-9 uses a 3.7L V6, but used-engine catalogs separate applications by VIN digit and production date. This page targets VIN A in the 8th digit, from 10/01/09 onward.
Engine identification table
Identification point | What to check |
|---|---|
Year | 2010 |
Make | Mazda |
Model | CX-9 |
Engine size | 3.7L V6 |
VIN code | A |
VIN position | 8th digit |
Production date | From 10/01/09 |
Fuel type | Gasoline |
Induction | Naturally aspirated |
Best verification | Full 17-digit VIN and build date |
These details help narrow the selection, but the complete VIN and vehicle configuration should be checked before ordering. This is especially important because catalogs also list CX-9 3.7L applications with different VIN characters and production-date ranges.
You don’t need to decode every specification yourself. Send us your VIN and, if available, the vehicle’s production-date information. Our team can help verify the requested engine application and check available inventory.
What Is the 3.7L Mazda CX-9 Engine?
Mazda’s 3.7L V6 is a naturally aspirated gasoline engine with dual overhead camshafts and four valves per cylinder. The engine uses an aluminum block with cast-in iron cylinder liners and aluminum cylinder heads. Mazda’s published specifications list 273 hp and 270 lb-ft of torque.
The CX-9’s six-speed Sport automatic transmission and available front-wheel-drive or all-wheel-drive configurations are also worth considering when confirming the vehicle’s complete setup.
When replacing an original engine, the most important buying question is whether the replacement matches your particular application. Verify the VIN and production date instead of choosing a motor solely because it is listed as a 3.7L.
Signs Your Transmission May Need Attention
Transmission problems can develop gradually or appear suddenly. These common symptoms may indicate that your 4L60E needs inspection, diagnosis or repair.
Delayed Engagement
A noticeable delay when shifting into Drive or Reverse can indicate a hydraulic, fluid or internal transmission issue.
Transmission Slipping
Engine RPM rises without normal acceleration, especially during gear changes or under load.
Harsh Shifting
Hard, abrupt or unusually rough shifts between gears may indicate a control or internal transmission problem.
Loss of Reverse
If Reverse stops working or engages inconsistently, the transmission and shift system should be inspected.
Unusual Noise
Whining, grinding, humming or other abnormal sounds can be signs of internal wear or damage.
Fluid Problems
Low fluid, visible leaks or contaminated transmission fluid can affect shifting and transmission operation.
Important: These symptoms do not always mean the entire transmission needs replacement. Fluid level, linkage, electrical controls, sensors and other components should be checked before choosing a replacement transmission.
Why Choose AutomartAutoparts?
Finding the right used engine or transmission can be stressful, especially when you're not sure about compatibility, availability, or where to find the right replacement. Automart Auto Parts helps make the process simple. We have helped many customers find replacement engines and transmissions for a wide range of vehicles, and our parts specialists are here to help you identify the right option for your vehicle.
With so many used engines for sale online, finding the correct replacement can be difficult. Automart Auto Parts helps make the process simpler by helping customers identify appropriate used engine applications based on their vehicle information.
With multiple warehouse locations across the state, we can help customers connect with available parts closer to their area. Our network and inventory sources allow our team to check available replacement engines and transmissions based on your vehicle's requirements.
Trusted by Customers
We've helped many customers with their replacement engine and transmission needs, providing assistance throughout the process.
Multiple Warehouse Locations
With multiple warehouse locations across the state, our network helps us serve customers in different areas and check for available parts closer to them.
Fitment Assistance
Not sure which engine or transmission you need? Our parts specialists can help verify your vehicle and part information before you move forward.
Availability & Pricing
We can check current availability and provide pricing information based on the replacement part your vehicle requires.
A Simpler Way to Find Your Replacement Part
You don't have to spend hours comparing used motors for sale and trying to determine which engine will work with your vehicle.
Tell our team your vehicle's year, make, model, engine size and VIN when available. Our parts specialists can use that information to help identify the appropriate replacement application and check available options.
Whether you need a used engine for a car, truck or SUV, starting with accurate vehicle information makes it easier to narrow down the correct replacement.
Looking for a 2010 Mazda CX-9 Engine?
An engine failure can interrupt everyday driving and family travel. Finding a replacement starts with identifying the correct application—not simply choosing a motor that says 3.7L.
Send Automartautopart your complete VIN and the available vehicle details. We’ll help verify the requested 2010 Mazda CX-9 3.7L VIN A application from 10/01/09 and check available replacement options.
How It Works
Finding the right replacement engine or transmission is simple. Tell us about your vehicle and our parts specialists will help you find the right replacement option.
Tell Us Your Vehicle
Provide your vehicle's year, make, model and engine or transmission information. We may also ask for your VIN to help confirm compatibility.
Tell Us What You Need
Let us know whether you're looking for a used engine, replacement engine, used transmission or replacement transmission.
We Check Availability
Our parts specialists check available inventory and supplier options to help identify a suitable replacement for your vehicle.
Get Your Quote
Once an appropriate option is identified, our team can provide available pricing and relevant part details for you to review.
Frequently Asked Questions
Learn about the 2010 Mazda CX-9 3.7L V6 engine, VIN A identification, the production-date cutoff, and what to check before buying a replacement.
What engine is this page for?
This page covers the 2010 Mazda CX-9 3.7L V6 engine, VIN A (8th digit), from 10/01/09 application.
It is a specific catalog fitment. Before ordering, verify the complete VIN and vehicle configuration rather than relying only on the model year and 3.7L engine size.
Why does the production date from 10/01/09 matter?
Used-engine catalogs distinguish 2010 CX-9 3.7L applications produced through September 30, 2009 from applications produced on or after October 1, 2009.
When requesting a quote, provide your complete VIN and, if available, the vehicle build date. This helps the team check the correct catalog application before purchase.
What does VIN A mean on this Mazda CX-9?
For this specified catalog application, A is the 8th VIN digit associated with the requested engine fitment.
Do not rely on a single VIN character alone to select a used engine. The complete VIN, build date and vehicle details should be checked together.
What are the specifications of the 3.7L V6 engine?
The 2010 Mazda CX-9 3.7L V6 is a naturally aspirated gasoline engine. Mazda lists its output at approximately 273 horsepower and 270 lb-ft of torque.
| Engine Size | 3.7L V6 |
|---|---|
| Fuel Type | Gasoline |
| Horsepower | 273 hp |
| Torque | 270 lb-ft |
| Transmission | Six-speed Sport automatic |
These are general factory specifications. Verify the exact replacement application with your vehicle information.
Can I use any 3.7L Mazda engine in my CX-9?
No. The 3.7L displacement alone does not guarantee compatibility. Engine applications can differ by vehicle, production date, emissions configuration, sensors, electronics, and accessory arrangement.
For this page, the requested application is the 2010 CX-9 3.7L with VIN A in the 8th digit, from 10/01/09. Submit your VIN so the application can be checked before ordering.
What information should I send to request a quote?
Start with your complete 17-digit VIN. If available, include the vehicle build date and a photo of the existing engine or its identification label.
| Information | Why It Helps |
|---|---|
| 17-digit VIN | Helps identify the vehicle configuration. |
| Build date | Helps verify the October 1, 2009 cutoff. |
| Engine details | Helps compare the existing engine with the replacement. |
| Engine photos or ID | Can assist with engine identification. |
You do not need to know every technical detail yourself. Send the information you have and ask our team to help verify the correct application.
Is a used engine a good alternative to rebuilding mine?
A used engine may be a practical alternative when the original engine has major internal damage or rebuilding is not the preferred repair option.
The best choice depends on the diagnosis, repair estimate, overall condition of the vehicle, and the cost and terms of the available replacement.
Before buying, ask about the individual engine's reported mileage, condition, warranty and included components.
Does the replacement engine include all accessories?
Not necessarily. Included components can vary by inventory unit. Some used engines may be supplied without external accessories such as the alternator, starter, A/C compressor or power-steering pump.
Confirm exactly what is included before purchasing. Ask whether any components must be transferred from your original engine and what the warranty covers.
What are common signs that my CX-9 engine may need replacement?
Potential warning signs include persistent knocking, repeated overheating, low compression, excessive oil consumption, heavy exhaust smoke or evidence of major internal damage.
These symptoms can have different causes, and some problems may be repairable without replacing the entire engine. Have a qualified mechanic diagnose the issue before deciding to replace the motor.
How can I confirm that the engine will fit my vehicle?
The safest approach is to verify the complete VIN, engine application and production date before ordering.
Tell us that you need the 2010 Mazda CX-9 3.7L engine with VIN A in the 8th digit, from 10/01/09. Our team can help review the application and check available inventory.
How do I get a quote for this Mazda CX-9 engine?
Click Get a Quote or call our team. Have your complete 17-digit VIN ready if possible.
Mention the 3.7L, VIN A (8th digit), from 10/01/09 application so the team knows which engine you need.
We can then help verify the fitment and check available used-engine options. Confirm the specific unit's condition, included components and purchase terms before proceeding.
Need a 2010 Mazda CX-9 Engine?
Don’t guess between similar engine applications.
Send us your complete VIN and let our team help verify the 3.7L VIN A (8th digit), from 10/01/09 fitment before you order.
VIN-based fitment assistance • Used replacement options • Nationwide availability
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Looking for a replacement engine or transmission for another vehicle?
Explore our vehicle-specific engine and transmission pages for information about engine and transmission specifications, fitment, VIN identification and replacement options.


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