• Racingline Billet Coolant Expansion Tank Cap | VWR19G703
  • Racingline Billet Coolant Expansion Tank Cap | VWR19G703
  • Racingline Billet Coolant Expansion Tank Cap | VWR19G703
  • Racingline Billet Coolant Expansion Tank Cap | VWR19G703
  • Racingline Billet Coolant Expansion Tank Cap | VWR19G703

Racingline Billet Coolant Expansion Tank Cap | VWR19G703

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Was: $113.51
Now: $102.16
UPC:
5061012436138
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WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.

Enhance the durability and performance of your cooling system with the RacingLine Billet Coolant Expansion Tank Cap. Designed as a direct replacement for the factory plastic cap, this high-quality billet aluminum upgrade ensures optimal coolant pressure, improved longevity, and a premium aesthetic under the hood.

Why Upgrade to the RacingLine Billet Coolant Cap?

  • Maintains Perfect Coolant Pressure – Engineered to prevent leaks and pressure loss, keeping your high-performance engine’s cooling system working at peak efficiency.
  • Billet Aluminum Construction – Precision-machined from aerospace-grade 6061 aluminum, offering superior durability over cheap plastic OEM caps.
  • Premium Anodized Finish – Polished and gloss-anodized in Midnight Black for a sleek, corrosion-resistant, and long-lasting finish.
  • Advanced Internal Spring & Bleed-Off Mechanism – Features a Japanese-engineered pressure relief system, ensuring your coolant system stays within its optimal operating range.
  • Direct OEM Replacement – Unlike cheap stick-on covers, this is a full replacement cap that seamlessly fits your factory coolant expansion tank.

Built for Performance & Longevity

Over time, stock plastic coolant caps lose their ability to hold pressure, reducing cooling efficiency. The RacingLine Billet Coolant Cap solves this issue by providing a precision-sealed, high-pressure solution that lasts.

  • CNC-Machined for a Perfect Fit
  • Designed for High-Performance Engines
  • Compatible with a Wide Range of VW, Audi Models
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