Originals
| Make | Number | Name | Availability | Processing, days | Price | |
|---|---|---|---|---|---|---|
| Nissan | GASKET-EXHAUST MANIFOLD,A | 6 | Express · 24h | 9.88$ |
Exhaust Manifold Sealing Gasket
This high-temp sealing gasket sits between the cylinder head and the exhaust manifold. It locks in hot gases, keeps noise down, and protects sensors for smooth engine performance. Built from heat-resistant layered steel/graphite, it handles extreme heat cycles and prevents blow-by for a clean, quiet drive .
Why this part is needed
A tight seal maintains exhaust flow to the catalytic converter, correct O₂ sensor readings, proper backpressure, and good fuel economy. It also stops fumes from entering the cabin and shields nearby parts from heat .
How it works
When the manifold is torqued, the gasket compresses to fill tiny surface imperfections. It stays elastic across heat cycles, keeping a gas-tight joint and preventing warping or soot leaks.
What happens if it’s damaged
- Ticking sound on cold start, louder under load
- Exhaust smell, visible soot at the flange
- Poor power, higher fuel use, possible check engine light
- Risk of burnt valves, warped manifold, melted wiring ⚠️
Installation tips
Clean both faces, check flatness, use new studs/nuts, torque from center outward to spec, and avoid sealant. Recheck after first heat cycle for best long-term seal.
Compatibility
- Qx4