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Description
STI FUEL PUMP ASSY For IMPREZA 4DooR (GD) ST420214S020Brand STI Product FUEL PUMP ASSY Product Number ST420214S020 Description This fuel pump ensures the fuel flow rate necessary to improve the engine output. It achieves a fuel flow rate of 180 L h (with a discharge pressure of 300 kPa), and boasts an increased opening valve pressure of 650 kPa. It also features a chamber that prevents the fuel from running out when a vehicle with a low fuel level makes a turn that generates continuous strong G forces.
| Brand | STI |
| Product | FUEL PUMP ASSY |
| Product Number | ST420214S020 |
| Description | This fuel pump ensures the fuel flow rate necessary to improve the engine output. It achieves a fuel flow rate of 180 L / h (with a discharge pressure of 300 kPa), and boasts an increased opening valve pressure of 650 kPa. It also features a chamber that prevents the fuel from running out when a vehicle with a low fuel level makes a turn that generates continuous strong G-forces. |
| Compatible Vehicle | IMPREZA 4DooR (GD) |
| Compatible Models |
Model adaptation symbol: A 2000 year 08 Jan-2001 08 May WRX NB (AWD / 5MT) ___ WRX NB (AWD / 4AT) ___ WRX STI type RA (AWD / 6MT) ___ WRX STI (AWD / 6MT) ___ model adaptation symbol : B 2001 09 January to October 2002 WRX NB (AWD / 5MT) ___ WRX NB (AWD / 4AT) ___ WRX NB-R (AWD / 5MT) ___ WRX NB-R (AWD / 4AT) ___ WRX STI (AWD / 6MT ) ___ WRX STI type RA spec.C (AWD / 6MT) - S202 STIversion (AWD / 6MT) - WRX STI Limited (AWD / 6MT) ___ WRX STI Prodrive Style (AWD / 6MT) ___ model adaptation symbol: C 2002 November to 2003 08 May WRX (AWD / 5MT) ___ WRX (AWD / 4AT) ___ WRX STI (AWD / 6MT) ___ WRX STI spec.C (AWD / 6MT) - WRX STI spec.C Limited (AWD / 6MT) - model adaptation symbol: D 2003 September to 2004 May WRX (AWD / 5MT) ___ WRX (AWD / 4AT) ___ WRX 2003 V-Limited (AWD / 5MT) ___ WRX 2003 V-Limited (AWD / 4AT) ___ WRX STI (AWD / 6MT ) ___ WRX STI spec.C (AWD / 6MT) - WRX STI spec.C 2003 V-Limited (AWD / 6MT) - model adaptation symbol: E 05 May 2004 05 May to 2005 WRX (AWD / 5MT) ___ WRX (AWD / 4AT) ___ WRX WR-Limited (AWD / 5MT) ___ WRX WR- Limited (AWD / 4AT) ___ WRX 2003 V-Limited (AWD / 5MT) ___ WRX 2003 V-Limited (AWD / 4AT) ___ WRX STI (AWD / 6MT) ___ S203 STIversion (AWD / 6MT) ___ WRX STI spec.C (AWD / 6MT) - WRX STI spec.C WR-Limited 2004 (AWD / 6MT) - WRX STI spec.C TypeRA (AWD / 6MT) - model adaptation symbol: F 2005 year 06 January to May 2006 WRX (AWD / 5MT ) ___ WRX (AWD / 4AT) ___ WRX WR-Limited 2005 (AWD / 5MT) ___ WRX WR-Limited 2005 (AWD / 4AT) ___ WRX STI (AWD / 6MT) ___ WRX STI spec.C (AWD / 6MT) - WRX STI spec.C TypeRA 2005 (AWD / 6MT) - S204 (AWD / 6MT) ___ model adaptation symbol: G 2006 Jun-2007 04 May WRX (AWD / 5MT) ___ WRX (AWD / 4AT) ___ WRX STI (AWD / 6MT) ___ WRX STI A-Line (AWD / 6MT) ___ WRX STI spec.C (AWD / 6MT) - WRX STI spec.C Type RA-R (AWD / 6MT) -
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| Remarks | * The explanation of this product is for Japanese specification. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
Shipping Notes
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Exchange/Return Notes
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4.3 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Good price and high quality!
This isolator relay is robust and has a higher amp load rating than the original relay. It was easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 5
Get it
Get it
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Reviewed in the United States on February 11, 2026
★★★★★ 5
Nice unit . Unable to use. But it was built very well
Unable to give it a full rating. But most recoil products are great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2023
★★★★★ 4
Starter solenoid
Ford starter solenoids are junk. Kept wedling the contacts shut despite new 4 gauge starter wire and 0 gauge grounds.
Swapped the solenoid with ine if these. No problems.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2025
★★★★★ 5
Battery isolater
Worked great just as planned
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 30, 2025
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