AFI Engine Oil Pressure Switch – Nissan 370Z – SW9021
Couldn't load pickup availability
- Fully secure checkout
- Trusted
- Rated and reviewed
Question about this product?
We're happy to help.
Shop safely
Secure your shopping experience with various safe and trusted payment methods.
Description
AFI SW9021 is a replacement engine oil pressure switch for the Nissan 370Z VQ37VHR. It operates the dashboard warning circuit when engine oil pressure falls below the switch threshold.
This is an on/off warning switch rather than a pressure sender for an oil-pressure gauge. Choose it when testing confirms a faulty or leaking original switch.
Vehicle Fitment
Vehicle: Nissan 370Z
Engine: 3.7L V6 VQ37VHR
Years: 2009–2020
Body styles: Coupe and Roadster
Quantity required: One per vehicle
Product Details
| Brand | AFI |
|---|---|
| AFI Part Number | SW9021 |
| GTIN | 9316042761344 |
| Product Type | Engine Oil Pressure Warning Switch |
| Nissan OE Reference | 25240-4M400 |
| Current Nissan OE Reference | 25240-4M40E |
| Electrical Connection | 1-pin |
| Thread | 1/8-inch BSPT |
| Package Quantity | One switch |
Why Choose AFI?
- AFI specialises in replacement electronic and engine-management components for Australian vehicle applications.
- SW9021 cross-references the original Nissan oil-pressure switch used by the 370Z.
- The one-pin connection and threaded body provide clear identification before ordering.
Common Inspection Reasons
- Oil-pressure warning light remains illuminated despite verified mechanical pressure
- Intermittent or flickering oil warning light
- Oil seepage from the original switch body or threaded area
- Oil warning light does not illuminate during the normal ignition check
A low-oil-pressure warning must never be assumed to be a failed switch—stop the engine as soon as safely possible and verify the oil level and mechanical oil pressure before replacing parts.
Related Maintenance Part
Completing an engine-oil service at the same time? Add the Genuine Nissan engine oil filter – 15208-ED50A.
Check Before Ordering
Confirm that your vehicle is a Nissan 370Z with the VQ37VHR engine. Compare the one-pin connection, threaded fitting and Nissan reference 25240-4M400 or 25240-4M40E with the fitted switch before ordering.

Shopping Safely
At our Shopify store, we prioritize your safety and security. Here's how we ensure a secure shopping experience:
1. Secure Transactions: We use advanced encryption to protect your personal and payment information, ensuring it is safely transmitted and safeguarded.
2. Trusted Payment Gateways: Our store integrates with trusted payment gateways, ensuring your transactions are processed securely and efficiently.
3. Data Privacy: Your privacy is our top priority. We follow strict data protection policies to keep your personal information confidential and secure.
4. Secure Platform: Shopify provides robust security features and continuous monitoring against vulnerabilities, ensuring a safe shopping environment.
5. Verified Merchants: We are a verified merchant on Shopify, committed to providing authentic and high-quality products.
6. Transparent Policies: Our clear return, refund, and shipping policies provide peace of mind, knowing we stand behind our products.
7. Customer Support: Our dedicated customer support team is ready to assist with any concerns or questions you may have.
Shop confidently at our Shopify store, where your safety and satisfaction are our top priorities.
$38.99
Don't see what you are after?
Selling fast!
Get yours while you can.