MAZDA BP4W-14-420 Intake Camshaft Sprocket Sprocket. 171

( Manufacturer Part Number: BP4W-14-420 ), ( Type: Camshaft )

Review MAZDA Bp4w Intake Camshaft Sprocket. 171 Miles Oem fits MIATA MX5 1999–2000

The Mazda BP4W-14-420 intake camshaft sprocket is an essential component of the engine's valvetrain system for select Mazda MX-5 Miata models produced between 1999 and 2000. This specific part, identified by the BP4W code, is designed to work with the intake camshaft and facilitate the smooth and efficient operation of the engine.

The intake camshaft sprocket is manufactured using high-quality materials for optimal durability and performance. It features a robust design with precision-machined teeth to ensure a reliable engagement with the timing belt. The teeth are designed to provide excellent contact area with the belt, resulting in minimal wear and prolonged belt life.

The sprocket's surface finish undergoes a rigorous process to ensure a frictionless performance. This includes a careful honing process to create a mirror-like finish that minimizes friction and allows the belt to glide smoothly over the sprocket. This results in reduced engine noise and improved overall engine performance.

The Mazda BP4W-14-420 intake camshaft sprocket is an OEM (Original Equipment Manufacturer) replacement part, meaning it is designed to meet or exceed the performance and durability standards of the original equipment used in your Mazda MX-5 Miata. Installing this genuine Mazda part will help maintain the engine's performance and ensure a trouble-free driving experience.

When it's time for a camshaft sprocket replacement, trust the expertise of Mazda to provide you with a top-quality, reliable, and authentic replacement part like the BP4W-14-420 intake camshaft sprocket. By choosing this genuine Mazda part, you can enjoy the peace of mind that comes with knowing you're using a part that's been specifically engineered and manufactured for your vehicle.

The Mazda BP4W-14-420 intake camshaft sprocket is a performance part designed for the 1999-2000 Mazda MX-5 Miata BP4W engines. Installing this part can provide several benefits, but it also comes with some potential drawbacks.

1. Increased power: The intake camshaft sprocket is part of the camshaft system that affects the intake valves' opening and closing timing. By upgrading to a high-performance sprocket, you can optimize the engine's power output, leading to increased horsepower and torque.

2. Improved engine response: A high-performance intake camshaft sprocket can make the engine respond more quickly to throttle input, providing a more responsive driving experience.

3. Better high-RPM performance: Upgrading the intake camshaft sprocket can enhance the engine's performance at higher RPMs, making it more suitable for track use or aggressive driving.

1. Cost: The Mazda BP4W-14-420 intake camshaft sprocket is a performance part, and as such, it comes at a higher cost compared to the stock part.

2. Complex installation: Installing the intake camshaft sprocket requires a significant amount of mechanical expertise and specialized tools. It may be challenging for some enthusiasts to install this part themselves, and they might need to hire a professional mechanic to do it.

3. Potential engine noise: Upgrading the intake camshaft sprocket can lead to increased engine noise due to the improved engine response and higher RPM performance. This noise might not be desirable for everyone, especially those who prefer a quieter driving experience.

The Mazda BP4W-14-420 intake camshaft sprocket is a performance part that can provide significant benefits for those seeking increased power, improved engine response, and better high-RPM performance in their 1999-2000 Mazda MX-5 Miata BP4W engines. However, it comes with a higher cost, complex installation process, and potential engine noise that some enthusiasts might not be willing to accept.

If you are an enthusiast seeking significant performance improvements in your 1999-2000 Mazda MX-5 Miata BP4W engine and are willing to invest in a high-performance intake camshaft sprocket, the Mazda BP4W-14-420 is a suitable option. However, if you are looking for a more affordable and less complex upgrade or prefer a quieter driving experience, there might be other performance modifications that better suit your needs. Always ensure that you have the necessary mechanical expertise or hire a professional mechanic for the installation process.

Details:

171,000 miles on camshaft. Pulled this camshaft from my 2000 Miata with the BP4W after doing Ex Intake mod. Lobs all feel smooth and don't appear to have bad wear.

part #: bp4w14420 prices

• $23.78-$142.45

specifications cashalif:

• for models: Mx5, Miata
• for makes: Mazda
• for years: 1999-2000
• mpn: Bp4w-14-420
• type: Camshaft

payments cashalif:

• wallet: Google-pay
• other
• credit card: Diners-club

returns cashalif:

• policy: No Returns

offer cashalif:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: October 26, 2025
• best offers: True

general cashalif:

• condition: Used
• Engines Engine Parts > Valvetrain Components > Camshafts

shipping cashalif:

• cost: $20.00
• type: Fixed
• class: Freight
• service: Flat Rate Freight

seller cashalif:

• # reviews: 81
• rating: 100.0%
• city: Little Rock, Arkansas

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