The Mahle 06E 117 021G Oil Cooler is a direct-fit OEM-quality replacement engineered for select Audi V6 applications. It regulates engine oil temperature, prevents thermal breakdown, and protects internal components — delivering reliable performance from the first drive.
$115.00
The 06E 117 021G Oil Cooler by Mahle is a direct-fit OEM-quality replacement designed to restore proper engine oil temperature regulation on select Audi V6 applications. Specifically, this oil cooler transfers excess heat from the engine oil into the coolant circuit, preventing oil from thinning under sustained high-load conditions. Furthermore, the Mahle 06E 117 021G Oil Cooler is manufactured to OEM dimensions, ensuring direct fitment with factory coolant connections and mounting hardware — no modifications required.
Oil cooler failures typically develop gradually, so recognizing the early warning signs helps prevent costly secondary engine damage. First, milky or foamy oil on the dipstick or inside the oil filler cap strongly indicates coolant is mixing with engine oil through a failed cooler. Additionally, coolant loss without a visible external leak is another reliable sign that the cooler is seeping internally. Furthermore, an overheating engine under sustained load — despite a functional cooling system — can point to a restricted or damaged oil cooler. In more advanced cases, sludge buildup resulting from contaminated oil can cause premature bearing wear throughout the engine.
OEM Reference: 06E 117 021G
Brand: Mahle — globally trusted OE-level thermal management supplier
Precision-engineered to OEM dimensions for direct fitment
Correct port geometry for seamless coolant circuit integration
High-grade materials engineered to withstand sustained heat cycling
Factory-spec sealing surfaces for leak-free installation
Always replace the oil cooler gasket and sealing O-rings at the time of installation — reusing old seals is a leading cause of post-repair leaks. After installation, refill both engine oil and coolant to the correct levels using manufacturer-approved fluids. Next, run the engine to full operating temperature and inspect all connections carefully for any signs of seepage. Furthermore, monitor oil and coolant levels over the first few driving cycles to confirm the repair is sealed completely. Finally, if coolant contamination was present, flush the engine oil system thoroughly before refilling with fresh oil.
Always verify fitment by VIN before ordering.
Cross Reference Numbers
06E 117 021B
06E 117 021L
06E 117 070D
CLC 186 000S
| Weight | 0.73 lbs |
|---|---|
| Dimensions | 8 × 4 × 4 in |
| Year | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2006-2008 | Audi | A4 | 3.2L V6 | |
| 2008-2010 | Audi | A5 | 3.2L V6 | |
| 2006-2011 | Audi | A6 | ||
| 2012-2015 | Audi | A7 | ||
| 2013-2014 | Audi | A8 | 3.0L V6 | |
| 2009-2012 | Audi | Q5 | 3.2L V6 | |
| 2013, 2017 | Audi | Q5 | 3.0L V6 | |
| 2011-2015 | Audi | Q7 | ||
| 2010-2016 | Audi | S4 | ||
| 2010-2017 | Audi | S5 | 3.0L V6 | |
| 2011-2015 | Volkswagen | Touareg |
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