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Idle Screw with Spring 21BB

Idle Screw with Spring 21BB

Brand: HPI

Part No: HPI-1474

£5.22 RRP £5.49

Shadow Stock: Usually ships within 4-5 days

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The HPI HPI-1474 Idle Adjustment Screw with Spring is a genuine HPI spare part designed for straightforward maintenance and repairs. It is referenced by HPI for Nitro Star T-15 / 21BB engines (suggested compatibility), providing an OEM solution when the original idle screw or spring is worn or missing.

Replacing the idle screw helps restore stable idling and more consistent carburettor tuning. The included spring maintains proper tension on the screw to hold your idle setting securely during running.

  • Genuine HPI replacement component for maintenance and repairs
  • Includes idle adjustment screw and spring
  • Suggested compatibility: Nitro Star T-15 / 21BB
  • Part number: HPI-1474
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#1474 - IDLE ADJUSTMENT SCREW W/ SPRING NITRO STAR T-15 / 21BB

Genuine HPI quality spare part for easy maintenance and repairs.

Genuine HPI quality spare part for easy maintenance and repairs.



Key Info:
  • Brand: HPI
  • Part No: HPI-1474
  • Barcode: 4944258014746
  • Fitment: Standard Part
Standard Shipping

£3.95 to most of the UK

Express Shipping

£6.95 to most of the UK

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Questions & Answers
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Does this fit a hpi mt2 engine
Jake / 2nd April 2019

No, it's used on the  T-15 / 21BB engines. You likely have a G3.0 engine.

Ben @ Wheelspin Models
Does this fit Schumacher fusion 28 nitro
Marley Hamilton / 18th September 2018

Doubtful - it's for the HPI 21BB engine.

Ben @ Wheelspin Models
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