INA Rocker Arm MAZDA - SH0112130

This INA Rocker Arm, part number SH0112130, is designed for the intake and exhaust sides of valve ...

Best current price£5.58from Autodoc

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Product Information

Full details

The INA Rocker Arm (part number 422 0147 10) is a high-precision valve train component engineered specifically for various Mazda vehicles, ensuring optimal engine performance and timing accuracy. It is designed for automotive technicians and DIY enthusiasts performing cylinder head work or valve train repairs, offering OE-grade reliability. The primary caveat is that engine configurations vary, requiring users to confirm whether their specific vehicle model needs 4, 8, or 16 units for a complete installation.

All features

Model Part Number422 0147 10
BrandINA

Extended Product Information

FAQs

Is this part compatible with both intake and exhaust valves?

Yes, this rocker arm is designed to be compatible with both the intake and exhaust sides of the valve train.

How many units do I need for my Mazda engine?

The quantity depends on your specific vehicle and engine code; you may need 4, 8, or 16 units, so please check your service manual.

Is this an original equipment part?

INA is a high-quality manufacturer that produces components to OE standards, ensuring compatibility with your Mazda vehicle.

Does this work for the Mazda CX-5?

Yes, this part is compatible with both the KE and KF generations of the Mazda CX-5.

Do I need special tools for installation?

You will need standard engine timing tools and a torque wrench to ensure the cylinder head components are tightened to factory specifications.

Should I replace all rocker arms at once?

It is generally recommended to replace them as a set or per cylinder to ensure even wear and balanced valve operation.

Troubleshooting

Clicking or tapping noise from the cylinder head

Verify valve clearance and ensure the hydraulic lash adjuster is not stuck or faulty.

Engine performance drop or misfire

Check for improper rocker arm seating or potential wear on the contact surface of the rocker arm.

Pros and Cons

Pros

  • Meets or exceeds original equipment manufacturer specifications
  • Suitable for both intake and exhaust valve applications
  • High build quality ensures longevity under extreme thermal loads
  • Compatible with numerous popular Mazda engine configurations

Cons

  • Installation requires specialized mechanical knowledge
  • Replacement quantity depends heavily on the specific engine code
  • Requires proper oiling during installation to prevent initial dry-start friction

Setup, Compatibility & Care

Before installation, ensure you have the correct total count of rockers required for your specific engine (8, 4, or 16). Compatibility includes the Mazda CX-5, 3 (Schrägheck/Limousine), 6 (Kombi/Limousine), and their respective Kasten variants. During setup, it is recommended to apply clean engine assembly lubricant to the contact surfaces of the rocker arm and cam lobe to prevent scuffing. Always inspect the lash adjusters or hydraulic lifters simultaneously to ensure the entire valve train assembly operates within factory tolerances. Regular oil changes are the best form of care for these components, as they rely on clean oil pressure to maintain proper contact.

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