Benefits of Switching to an Air-to-Oil Cooler:
1. Less Thermal Load on Engine Cooling System
Why it matters: Water-to-oil coolers dump heat from the oil into the engine's coolant system.
Benefit: Air-to-oil coolers remove oil heat separately, keeping coolant temps lower and preventing overheating during intense track sessions.
2. Improved Oil Temperature Control
Why it matters: Engine oil performs best within a specific temperature range.
Benefit: Dedicated air-to-oil coolers allow for more consistent oil temperatures, enhancing lubrication, reducing wear, and improving engine longevity at high RPM.
3. Reduced Risk of Coolant Boil-Over
Why it matters: Track conditions can push coolant systems to their limits.
Benefit: Offloading heat from the oil circuit directly to air reduces stress on the radiator and cooling system, lowering chances of overheating and coolant loss.
4. Simplified Plumbing and Installation
Why it matters: Race car builds are often tight on space and weight.
Benefit: Air-to-oil coolers can be mounted flexibly in areas with good airflow (e.g., front bumper or fender ducts), simplifying layout and minimizing additional weight or hoses.
5. No Dependency on Engine Coolant
Why it matters: A failure in the water cooling system can compromise oil cooling too.
Benefit: Air-to-oil systems operate independently, so even if the water system is stressed or compromised, the oil still gets cooled.
6. Weight Distribution and Customization
Why it matters: Every pound and placement matters in racing.
Benefit: Air coolers allow more strategic placement (e.g., front corners, sides) for better weight balance and optimized airflow.
7. Improved Reliability
Why it matters: Failures cost races.
Benefit: Air-to-oil systems have fewer potential failure points like clogged water lines, scaling, or leaks that could mix oil and coolant — a major concern in endurance racing.
 
 
This item is compatible with the following Vehicles:
Audi A4 / Avant - CAMB (163) CGKB (163) CGKA (190) CAMA (190) CCWB (211) CCLA (239) CCWA (239) CAPA (240)
Audi A4 / S4 / Avant / quattro - CAMB (163) CGKB (163) CGKA (190) CAMA (190) CCWB (211) CCLA (239) CCWA (239) CAPA (240)
Audi A4 allroad quattro - CCWA (239)
Audi A5 / S5 Cabriolet - CGKB (163) CGKA (190) CCWA (239)
Audi A5 / S5 Coupe Sport - CGKB (163) CAMB (163) CAMA (190) CGKA (190) CCWB (211) CCWA (239) CAPA (240)
Audi A6 / Avant - CAND (163) CANC (190) CANA (190) CDYB (211) CDYA (239) CDYC (239)
Audi A6 / S6 / Avant / quattro - CAND (163) CANC (190) CANA (190) CDYB (211) CDYC (239) CDYA (239)
Audi A6 allroad quattro - CAND (163) CANC (190) CDYB (211) CDYA (239) CDYC (239)
Audi A6L - CANA (190)
Audi Q5 - CCWB (211) CCWA (239)
Audi Q7 - CASB (211) CATA (224) CCMA (239) CASA (240)
VW Phaeton - CARA (234) CEXA (239) CEXB (245)
VW Touareg - CASD (204) CASB (211) CATA (224) CASC (239) CASA (240)
Audi A6 / Avant - CANB (163)
Audi A6 / S6 / Avant / quattro - CANB (163)
 
Replaces Genuine VW Part Numbers:
059117021K - 059117021 K - 059 117 021 K