Exhaust Manifold Lock Tab ERC7321 V8

The Exhaust Manifold Lock Tab ERC7321 is used to secure the exhaust manifold bolts on 3.5L and 3.9L Rover V8 engines. These locking tabs help prevent manifold bolts from loosening due to engine vibration and repeated heat cycles, maintaining a proper exhaust seal.

Each exhaust manifold uses four (4) lock tabs, making this an important component when servicing or reinstalling exhaust manifolds on classic Rover V8 engines.

Vehicle Fitment

• Discovery I | 1994–1999

• Range Rover Classic | 1987–1995

• Defender 90 | 1994–1997

• Defender 110 | 1993

Installation Notes

• Four (4) lock tabs required per exhaust manifold

• Designed to be bent against the bolt head after installation to prevent loosening

Supersession Part Numbers

No supersessions found.

FAQ

How many lock tabs are required per manifold?
Each exhaust manifold requires four (4) lock tabs.

What is the purpose of the lock tab?
It prevents the exhaust manifold bolts from loosening due to vibration and heat cycles.

Should lock tabs be replaced during exhaust manifold service?
Yes. It is recommended to replace them whenever the manifold bolts are removed.

Part Number: ERC7321

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