Replace your factory-installed oil-to-coolant heat exchanger (VAG part no. 03L 117 021C) with our precision-machined billet adapter plate. Designed specifically for VAG 1.6 TDI and 2.0 TDI engines, this performance upgrade ensures significantly lower oil temperatures and improves overall engine durability.
Key Benefits:
Direct OEM replacement – fits in the stock location
2x AN8 & 2x AN10 ports – compatible with standard universal oil coolers
Made from CNC-machined billet aluminum – lightweight, strong and heat-resistant
Oil temperature reduction of approx. 25–35 °C (depending on cooler size, speed, and oil flow)
Prevents oil film breakdown and serious engine damage
Simple installation for anyone with basic automotive skills
Why an external oil cooler?
Modern turbo diesel engines like the VAG 1.6 / 2.0 TDI operate under extreme heat, especially under load. An external oil cooler helps maintain optimal temperatures, ensures proper lubrication, and prevents damage such as piston seizure or connecting rod failure.