Radium Universal Check Valve
Radium Universal Check Valve
Universal fit
No vehicle selection needed.
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
Fitment not confirmed
This part may still fit. Check the details below or contact us before ordering. Ask about fitment
In Melbourne? Fit it in our workshop.
We fit parts in-house at the RevZone workshop. Book a time and bring your car in.
Description
The Radium Engineering Universal Check Valve is a 1-way valve that permits flow in one direction only. Featuring a lightweight anodised aluminium body, FKM Viton seals, stainless steel hardware, and an aerodynamically shaped internal plunger for smooth laminar flow, this check valve is suitable for a wide range of motorsport and performance applications.
All female AN ports accept 37-degree flare male fittings and/or ORB (O-ring Boss) male fittings. Flow direction is laser etched on the side of the body. Compatible with gasoline, ethanol, methanol, diesel, water, coolant, oil, and more.
Variant Selection Guide
20-0534 — Check Valve Only
- Native form without adapter fittings
- 10AN male outlet / 8AN female inlet
- Ideal for custom plumbing setups where specific adapters are already on hand
20-0534-06 — 6AN Kit
- Includes the 20-0534 check valve body plus all necessary adapter fittings
- Converts both inlet and outlet to 6AN male and/or 6AN female
20-0534-08 — 8AN Kit
- Includes the 20-0534 check valve body plus all necessary adapter fittings
- Converts both inlet and outlet to 8AN male and/or 8AN female
20-0534-10 — 10AN Kit
- Includes the 20-0534 check valve body plus all necessary adapter fittings
- Converts both inlet and outlet to 10AN male and/or 10AN female
- Check Valve Type: Spring-loaded piston
- Body Material: Anodised aluminium
- Plunger Material: Stainless steel
- Spring Material: Stainless steel
- Hardware: Stainless steel
- Body Seal: FKM Viton
- Plunger Seal: FKM Viton
- Large Hex: 30mm (1-3/16")
- Length (no adapters): 1.72" (43.6mm)
- Cracking Pressure: 0.3 PSI @ 70°F
- Max Operating Pressure: 1,000+ PSI @ 70°F
- Backflow Holding Pressure: 1,000+ PSI @ 70°F
Available Part Numbers
- 20-0534 — Radium Universal Check Valve (Check Valve Only)
- 20-0534-06 — Radium Universal Check Valve Kit, 6AN
- 20-0534-08 — Radium Universal Check Valve Kit, 8AN
- 20-0534-10 — Radium Universal Check Valve Kit, 10AN
Why Radium Engineering?
- ✅ Manufactured in the USA to motorsport-grade tolerances
- ✅ CNC-machined billet aluminium components built for performance and longevity
- ✅ Trusted by high-power build tuners and race teams worldwide
- ✅ Bolt-on fitment — no cutting, drilling, or fabrication required
- ✅ FKM Viton sealing — compatible with E85, methanol, oil, coolant, and all exotic fluid types
Specifications
- Part Number
- 20-0534-06
- Brand
- Radium Engineering
Shipping
Orders are processed within 1-2 business days (Monday to Friday), and orders placed before 12pm AEST are usually dispatched the same day. Once dispatched, standard shipping takes 3-7 business days and express 1-3, with tracking emailed as your order leaves.
If part of your order is out of stock, we'll contact you with the option to split the shipment or hold it until everything is ready. Read the full shipping policy.
Returns
You have 14 days from delivery to request a return on unused parts in their original packaging. Refunds incur a 15% restocking fee (20% for special orders), or choose store credit and the full purchase value is applied to your account.
Parts that have been test fitted, installed, or used can't be returned, and special-order or overseas-ordered items are assessed case by case. Faulty or incorrectly supplied items are always covered at no cost to you. Read the full returns policy.