MAZDA KB31-66-3B4 Actuator Spacer

( Part Type: Actuator Spacer ), ( Manufacturer Part Number: KB31-66-3B4 ), ( Genuine Oem: Yes ), ( Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Year: 1997 1998 2008 ), ( Parts Included: Only Part Reference 2 On The Diagram Is Included ), ( Replaces Part Number: Ef91-66-3b4 )

Review MAZDA Genuine Actuator Assembly Spacer fits 1997–2008

The Mazda KB31-66-3B4 actuator spacer is an essential component that plays a crucial role in the proper functioning of various Mazda vehicles' power window systems. This spacer is specifically designed to be used with Mazda original equipment (OE) actuators.

This actuator spacer is made of high-quality, durable materials, ensuring longevity and reliability. Its primary function is to provide the necessary clearance between the actuator and other components in the power window system. This clearance allows for smooth and unhindered operation of the window, providing a quiet and efficient driving experience.

The Mazda KB31-66-3B4 actuator spacer is designed to fit perfectly with Mazda actuators, ensuring a precise and secure fit. Its installation is straightforward, and it can be easily installed by following the instructions provided in the user manual or by consulting a professional mechanic.

This actuator spacer is essential for maintaining the functionality of the power window system in your Mazda vehicle. Over time, the original spacer may wear out or become damaged, causing the windows to operate erratically or not at all. By replacing the worn-out spacer with a new Mazda OE spacer, you can ensure that your power windows continue to function optimally, providing convenience and comfort while driving.

Furthermore, using a genuine Mazda OE actuator spacer ensures that your power window system continues to meet the original equipment manufacturer's specifications, providing peace of mind and maintaining the value of your vehicle.

In summary, the Mazda KB31-66-3B4 actuator spacer is an essential component for maintaining the smooth and efficient operation of the power window system in your Mazda vehicle. Its durability, ease of installation, and precise fit make it a worthwhile investment for any Mazda owner.

The Mazda KB31-66-3B4 actuator spacer is a part used in the Mazda Skyactiv-G engine to adjust the intake valve timing. Installing this part can offer several benefits, but like any automotive modification, it comes with its own set of advantages and disadvantages.

1. Improved engine performance: By adjusting the intake valve timing, the actuator spacer can help improve the engine's power output and torque, leading to better acceleration and overall performance.

2. Increased fuel efficiency: By optimizing the intake and combustion processes, the actuator spacer can help improve the engine's fuel efficiency, resulting in better gas mileage.

3. Smoother engine operation: The actuator spacer can help reduce engine knocking and rough idling, resulting in a smoother and more refined driving experience.

1. Complex installation process: Installing the actuator spacer requires significant knowledge and experience in engine tuning, and the process can be time-consuming and complicated.

2. Potential for engine damage: If not installed correctly, the actuator spacer can cause damage to the engine, including bent valves or damaged camshafts.

3. Cost: The actuator spacer is not a cheap modification, and the cost of purchasing a part and installing it can add up quickly.

The Mazda KB31-66-3B4 actuator spacer is a performance modification that can offer several benefits, including improved engine performance, increased fuel efficiency, and smoother engine operation. However, it also comes with its own set of disadvantages, including a complex installation process, potential for engine damage, and cost.

If you are an experienced DIY mechanic or have access to a professional tuner, the actuator spacer may be worth considering for your Mazda Skyactiv-G engine. However, if you are not confident in your ability to install the part correctly or are not willing to take the risk of potential engine damage, it may be best to avoid this modification.

If you are looking for a more straightforward and less risky way to improve the performance and fuel efficiency of your Mazda Skyactiv-G engine, consider other modifications such as a cold air intake system or a high-performance exhaust system. These modifications are easier to install and do not carry the same level of risk as the actuator spacer. However, if you are determined to install the actuator spacer, make sure to work with a qualified professional to ensure a safe and successful installation.

Details:

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Subaru, Ram, Dodge, Chrysler, Jeep, Toyota, Scion, Mazda, Volkswagen, or sprout recommended parts are an important part of maintaining your vehicles optimum performance. Electrical parts are not returnable. Parts must be resalable and in the original packaging.

part #: kb31663b4 price

• $19.35

specifications cruisecompo:

• for makes: Mazda
• for years: 1997-2008
• part type: Actuator Spacer
• manufacturer part number: KB31-66-3B4
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• year: 1997 1998 2008
• parts included: Only Part Reference 2 On The Diagram Is Included
• replaces part number: Ef91-66-3b4

returns cruisecompo:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general cruisecompo:

• Car Truck Parts Accessories > Advanced Driver Assistance Systems > Cruise Control Components
• condition: New

shipping cruisecompo:

• transit: 5-9 Days
• cost: $0.00
• class: Standard
• service: Standard
• type: Fixed

offer cruisecompo:

• options: Ship-to-home
• quantity: 2
• started: November 28, 2025
• sold: 0
• availability: In Stock

payments cruisecompo:

• other
• credit card: Discover
• wallet: Apple-pay

seller cruisecompo:

• city: Brunswick, Ohio
• rating: 98.9%
• # reviews: 25514

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