





Radium Engineering Fuel Pump Clamp for 41-43mm Pump Bodies
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Description
Radium Fuel Pump Clamp for 41-43mm Pump Bodies
Application: Radium fuel hangers 20-0940 (Toyota Chaser / Mark II / Cresta), 20-0980 (Mid 2003-2013 Corvette) and 20-1010 (2014-2019 Corvette)
Part Type: Fuel pump clamp, 41-43mm pump bodies
Part Number: 20-0441
Radium Engineering uses a two-piece pump clamp that is specific to the fuel collector found in its Chevrolet Corvette and Toyota Chaser / Mark II / Cresta fuel pump hangers. The clamp supplied with those hangers suits 38-39mm OD pumps; this 20-0441 clamp lets you run a larger 41-43mm OD pump in the same collector.
Key Features
- Pump Size: 41-43mm outer body diameter
- Construction: 6061 aluminium, clear Type II anodised
- Hardware: Stainless steel
- Seal: FKM (Viton) O-ring
- Confirmed Pumps: DeatschWerks DW440 and DW810, Protec 11928, Fuelab 49614
What's Included
- Two clamp halves with button head screws
- FKM O-ring
Optional Parts
- Radium Fuel Pump Hanger, Toyota Chaser / Mark II / Cresta (JZX90 / JZX100) (20-0940) – Radium hanger this clamp suits
- Radium Fuel Pump Hanger, Chevrolet Corvette (Mid 2003-2013) - Pumps Not Included (20-0980) – Radium hanger this clamp suits
- Radium Engineering Fuel Hanger 2014–2019 C7 Corvette – Pumps Not Included (20-1010) – Radium hanger this clamp suits
Important Notes
- Only use this clamp with a fuel pump that has a 41-43mm outer body diameter
- Other 41-43mm pumps not listed by Radium may work but are unconfirmed
- Set the distance between the pump inlet and the O-ring as shown in Radium's instructions – it depends on the sock filter and prevents starvation and pump cavitation
- Tools: 2.5mm and 3mm Allen keys
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Chevrolet Corvette C5 / C6 (mid 2003-2013) – with Radium 20-0980 hanger
- Chevrolet Corvette C7 (2014-2019) – with Radium 20-1010 hanger
- Toyota Chaser, Mark II and Cresta JZX90 / JZX100 – with Radium 20-0940 hanger
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

