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NEXT LEVEL PERFORMANCE PRODUCTS BY ZERONINE DESIGN - BECAUSE 'GOOD ENOUGH' JUST ISN'T IN OUR VOCABULARY

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FEN067AA

09D Brake Fluid Cap [Ford Models]

Product Overview

The 09Design Brake Fluid Reservoir Cap is a direct replacement for the OEM plastic filler cap found on the Fiesta ST Mk8/Mk8.5, Puma ST, Mk4/Mk4.5 Focus ST & Focus RS Mk3. Precision machined from billet aluminium and styled to match our under-bonnet accessory range, this cap enhances both the appearance and quality of your engine bay.

Perfectly matched to our Fiesta Mk6 ST | Fiesta Mk7 ST | Focus RS/ST Mk3 and Fiesta ST Mk8/8.5 | Puma ST | Focus ST Mk4/4.5 | Kuga 1.5 Billet Engine Oil Filler Caps and Coolant Cap.

Optional Acetal Key Tool available separately, here.

KEY FEATURES AND ADVANTAGES

KEY FEATURES AND ADVANTAGES

  • Machined in house from aerospace-grade 6082 aluminium for lightweight strength and a refined finish
  • Features our signature knurled grip and etched detailing for a cohesive look alongside our other 09D bay components
  • Direct OEM Replacement, supplied with a new internal seal for a secure, leak-free fit straight out of the box
  • Improved Durability, more robust and heat-resistant than the factory plastic cap, built to last
  • Optional Tool Key Available: Designed to interlock with our 09D Acetal Key Tool (sold separately) for additional ease of installation/removal.
  • Machined in house from aerospace-grade 6082 aluminium for lightweight strength and a refined finish
  • Features our signature knurled grip and etched detailing for a cohesive look alongside our other 09D bay components
  • Direct OEM Replacement, supplied with a new internal seal for a secure, leak-free fit straight out of the box
  • Improved Durability, more robust and heat-resistant than the factory plastic cap, built to last
  • Optional Tool Key Available: Designed to interlock with our 09D Acetal Key Tool (sold separately) for additional ease of installation/removal.

TECHNICAL DATA

TECHNICAL DATA

  • Precision CNC-machined at 09D HQ
  • Machined from 6082-T6 Billet Aluminium
  • Hard anodised, gloss black finish with etched ‘09’ emblem
  • Precision CNC-machined at 09D HQ
  • Machined from 6082-T6 Billet Aluminium
  • Hard anodised, gloss black finish with etched ‘09’ emblem

FITMENT

FITMENT

  • Ford Fiesta ST Mk8 (2018–2022)
  • Ford Fiesta ST Mk8.5 (2022–present)
  • Ford Puma ST 1.5 (2019-2023)
  • Ford Focus RS Mk3 (2016-2018)
  • Ford Fiesta ST Mk8 (2018–2022)
  • Ford Fiesta ST Mk8.5 (2022–present)
  • Ford Puma ST 1.5 (2019-2023)
  • Ford Focus RS Mk3 (2016-2018)

Frequently Asked Questions (FAQs)

Not at all. While it’s definitely a visual upgrade, the aluminium construction offers a genuine improvement over plastic OE units which can degrade over time and heat.

No. The cap is functionally identical in sealing and pressure control. It simply replaces the OE item with a stronger, better-engineered version.

Yes, it’s a direct swap. Simply unscrew your old cap and fit the new one using the supplied seal.

No, the tool isn’t required but adds convenience. The Acetal Key Tool is designed to fit multiple 09D caps including the coolant reservoir and is available here.

SHIPPING & RETURNS

SHIPPING & RETURNS

Orders are shipped Monday to Friday, with weekend orders dispatched on Monday. Shipping is handled via FedEx or DHL with full tracking provided.

UK delivery: Typically next working day.

International delivery: Usually 2–5 working days, depending on location.

Under UK consumer law, unused items can be returned within 14 days of receipt for a refund, provided they are in original condition and packaging. Return shipping costs are the customer's responsibility unless the item is faulty or incorrect. Contact the team prior to sending any returns.

Orders are shipped Monday to Friday, with weekend orders dispatched on Monday. Shipping is handled via FedEx or DHL with full tracking provided.

UK delivery: Typically next working day.

International delivery: Usually 2–5 working days, depending on location.

Under UK consumer law, unused items can be returned within 14 days of receipt for a refund, provided they are in original condition and packaging. Return shipping costs are the customer's responsibility unless the item is faulty or incorrect. Contact the team prior to sending any returns.

WARRANTY

WARRANTY

All products are covered by a 12-month warranty against manufacturing defects. This does not cover normal wear and tear, misuse, or damage during installation. For warranty claims, contact support with your order details.

All products are covered by a 12-month warranty against manufacturing defects. This does not cover normal wear and tear, misuse, or damage during installation. For warranty claims, contact support with your order details.