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Billet coolant expansion cap for Volkswagen Group models
Billet coolant cap.
A complete engineered replacement for the factory plastic expansion-tank cap.
Keep your coolant expansion tank at the correct pressure while giving the engine bay a beautifully finished RacingLine detail.
VWR19G703
Take the
pressure.
Doesn’t your pride and joy deserve better than cheap plastic parts in the engine bay?
The RacingLine Coolant Expansion Tank Cap maintains the correct pressure so your high-performance cooling system can perform exactly as it should.
- A critical part of the cooling system, ensuring the correct pressure is maintained and never exceeded
- Replaces older caps that can lose their ability to hold pressure as they wear
- A complete billet replacement, not a decorative cover stuck over the factory plastic cap
- Sophisticated internal springing and pressure bleed-off mechanism
- Machined from 6061 aluminium, polished and gloss-anodised Midnight Black
Precision engineered for perfect performance.
Each cap starts life as a solid billet of aerospace-quality 6061 aluminium.
Polished, then gloss-anodised Midnight Black to stay beautiful year after year.
Meticulously machined with the latest CNC 5-axis technology.
Sophisticated Japanese-made springing and bleed-off mechanism.
Confirmed applications.
Confirmed for the following popular Volkswagen Group applications.
Volkswagen Group expansion tanks
VWR19G703