OVERVIEW

The Goldenwrench Blackline Performance Toyota GR Corolla Washer Fluid Cap is a full-replacement billet upgrade purpose-built for the E210 platform. Designed with integrated no-spill seal technology, this cap resolves the seepage tendency of the factory plastic reservoir unit while replacing it with a precision-machined component that complements the GR Corolla's performance character.

The anodized Edition Red finish is perfectly matched to the red accent stripes found on the factory engine cover—a deliberate detail for owners who care about underhood cohesion. Each cap is CNC-formed from T6 aluminum, with all branding and Blackline logos 3D-milled directly into the surface. There are no decals or surface stickers—just permanent, precision detailing built to withstand engine bay heat cycling and power washing.

Installation is completely tool-free. The billet cap completely replaces the factory plastic cap, seating securely into the existing reservoir mount with the integrated no-spill seal for a direct OEM fitment that takes only minutes to install.

FEATURES

• Full Billet Replacement: Replaces the flimsy factory plastic cap completely for a secure, high-end fitment.
• Integrated No-Spill Seal: Engineered with leak-proof seal technology to prevent fluid seepage under hard driving or track use.
• T6 Billet Aluminum Construction: Precision CNC-machined from solid T6 aluminum for outstanding strength and heat resistance.
• Edition Red Anodized Finish: Custom-color matched to complement the red accent stripes on the factory GR Corolla engine cover.
• 3D-Milled Detailing: Logos and branding are 3D-milled directly into the aluminum—no stickers or printed graphics that peel over time.
• Tool-Free Installation: Simple, direct-fit upgrade that installs in less than 5 minutes.

WHAT IS INCLUDED

• (1) Goldenwrench Blackline Performance Billet Washer Fluid Cap (Edition Red)
• (1) Integrated Rubber No-Spill O-Ring Seal
• (1) Installation Instruction Card

SPECIFICATIONS

• Material: CNC T6 Billet Aluminum
• Finish: Edition Red Anodized
• Branding: 3D-Milled Logos
• Installation Time: < 5 Minutes
• Difficulty: Very Easy / Tool-Free

FITMENT

• 2023+ Toyota GR Corolla (E210 Platform)

WARNING: California Proposition 65 — This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Intended for competition / off-road use only.