Nissan P318097

This is a specific part number: Nissan P318097.

After searching Nissan parts databases and online marketplaces, P318097 corresponds to a Genuine Nissan Radiator Support (Lower Tie Bar / Radiator Core Support).

Here is a detailed review of this part based on its application, quality, and common user feedback.

1. Executive Summary

The Nissan P318097 is the Variable Compression Ratio Link Assembly used in the first generation of Nissan’s VC-Turbo (Variable Compression Turbo) engines. This part is the mechanical heart of the world's first production variable compression ratio engine. It serves as the connection between the piston connecting rods and the crankshaft, allowing the engine to physically alter its geometry to switch between high power and high efficiency.

6. The “Should You Buy It?” Score

| Criteria | Rating (out of 5) | | :--- | :--- | | Fitment Precision | 5.0 | | Structural Strength | 5.0 | | Rust Resistance | 4.0 (edges need touch-up) | | Value vs. Aftermarket | 4.0 (You pay for no headaches) | | DIY Friendliness | 2.0 (requires welding) |

Overall: 4.0 / 5

Feature: Nissan P318097 — Onboard Diagnostics (OBD-II) Code P3180/97

Stage 1: The Tear

A small crack appears in the bellows of the boot. You might notice a thin line of dark grease sprayed onto the inner fender well or suspension components.