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Air and Fuel› Fuel Pumps, Regulators and Components
Radium Engineering
Radium Engineering Fuel Filter - Check Valve / Microglass / 6 Micron
SKU: R005 20-1220-05
Easy — 1–2 hours
Overview
The filter's large 10AN ORB female threaded ports allow for high-flow plumbing, and adapter fittings are available separately. The microglass element offers 99.9% particle capture efficiency at 6 microns, meeting and exceeding Bosch's fuel injector filtration specifications. The stainless steel internal core prevents collapsing at high flows, and the filter's design allows for servicing and replacement elements.
Show original supplier description
Part #: 20-1220-05
High-flow fuel filter with built-in check valve. Equipped with a 6 micron microglass filter element. 10AN ORB female ports.
Vehicle Symptoms
- Engine hesitation during acceleration
- Hard starting after sitting for a while
- Fuel starvation at high RPM
- Rough idle or stalling
- Decreased fuel economy
Diagnostic Codes
- P0191 – Fuel Rail Pressure Sensor Range/Perf
- P0192 – Fuel Rail Pressure Sensor Low Input
- P0193 – Fuel Rail Pressure Sensor High Input
- P0171 – System Too Lean (Bank 1)
- P0300 – Random/Multiple Cylinder Misfire Detected
Relevant Conversations
- Car hesitates on acceleration need new fuel filter
- P0191 code after fuel pump replacement
- Radium Engineering 20-1220-05 fuel filter review
- Best inline fuel filter for forced induction
- How to install Radium fuel filter with check valve
- Fuel filter with check valve for hot start issues
- 6 micron vs 10 micron fuel filter for EFI
- Radium fuel filter vs WIX 33737
- Fuel filter causing lean code P0171
- Where to mount Radium fuel filter in engine bay
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Radium Engineering |
| Part Number | R005 20-1220-05 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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