Oil Cooler Adapter for Nissan 240SX SR20DET / CA18DET S13 S14

Designed for Nissan enthusiasts running SR20DET or CA18DET engines in S13 and S14 chassis, this oil cooler adapter provides a clean, reliable solution for adding an external oil cooler. Ideal for track, drift, or high-performance street builds where oil temperature management is critical.

Fitment

• Nissan 240SX S13 (SR20DET, CA18DET engines)
• Nissan 240SX S14 (SR20DET, CA18DET engines)

Material & Construction

• Adapter mounts directly to the engine block

Technical Specifications

• Radiator outlet threads: AN10

What’s Included

• Adapter mounted to the engine block
• 2 adapters for AN10 thread
• 2 sensor hole plugs
• 4 seals
• 4 mounting screws

Installation Notes

• Ensure all seals are properly seated to prevent leaks
• Double-check mounting screw torque for a secure fit
• Use thread sealant on sensor hole plugs if required

FAQ

• Will this adapter fit both SR20DET and CA18DET engines in S13 and S14 chassis?
  Yes, it is designed for both engine types in S13 and S14 240SX models.
• Are additional fittings or hoses required for installation?
  This kit includes adapters for AN10 threads; external oil cooler lines and cooler are not included.
• Can I install sensors using the provided sensor hole plugs?
  The set includes sensor hole plugs; you can remove these plugs to install compatible sensors if desired.