AUDI 027109601C Aan Engine Cylinder Head Inlet Valve Set 306-58571 33125 2.2L

( Manufacturer Part Number: 027109601C ), ( Model: S6-AUDI ), ( Part Type: Valve Engine Cylinder Head ), ( Conditions Options: 2.2l Inlet Valve Set ), ( Genuine Oem: Yes ), ( Ipn: 306-58571 94 95 96 97 )

Review AUDI 2.2l Aan Engine Cylinder Head Inlet Valve Set fits A6 S6 1994–1997

The **Audi 027109601C 33125** high-performance **2.2L AAN engine cylinder head inlet valve set** is a meticulously engineered replacement component designed exclusively for the **Audi A6 (C5) and S6 (94-97)** models equipped with the **2.2-liter AAN inline-five cylinder engine**. This precision-machined valve set is crafted to restore optimal performance, reliability, and efficiency to the engine s intake system, ensuring seamless airflow and peak combustion. Engineered from high-grade **forged steel**, these inlet valves are built to withstand the extreme thermal and mechanical stresses of high-performance driving, providing superior durability compared to standard aftermarket alternatives. The **laser-cut, precision-ground valve faces** guarantee a perfect seal with the valve seats, minimizing blow-by and maximizing horsepower and torque output. Whether you re restoring an original engine to factory specifications or upgrading an existing setup for enhanced performance, this valve set delivers the precision and quality expected from Audi s high-performance applications. Compatible with both **stock and modified AAN engines**, this component is ideal for enthusiasts seeking to optimize their vehicle s breathing capacity, reduce carbon buildup, and extend the lifespan of their cylinder head components. With its **OEM-level fitment and build quality**, this valve set ensures a seamless installation and long-term performance, making it an indispensable upgrade for Audi A6 and S6 owners aiming for both reliability and performance excellence.

### **Pros and Cons of Buying an Audi 027109601C (33125) 94-97 A6 S6 2.2L AAN Engine Cylinder Head Inlet Valve Set**

1. **Direct Fitment** This part is specifically designed for the 2.2L AAN engine found in Audi A6 (C4) and S6 models from 1994 to 1997, ensuring compatibility without modification.

2. **Performance Potential** Replacing worn or damaged inlet valves can restore proper airflow, improving engine efficiency, throttle response, and overall performance.

3. **Prevents Further Damage** Ignoring valve wear can lead to more severe issues like valve seat recession, excessive carbon buildup, or even valve failure, which are costly to repair.

4. **OEM Quality (if genuine)** If purchasing from a reputable supplier, this part may meet Audi s original equipment standards, ensuring durability and reliability.

5. **Cost-Effective Alternative** Compared to full engine rebuilds or replacements, a valve set is a relatively inexpensive fix that extends engine life.

6. **Aftermarket Support** Many aftermarket brands offer high-quality alternatives that may include improved materials or coatings for better longevity.

7. **DIY-Friendly** While engine work can be complex, this is a manageable job for experienced DIYers with the right tools and patience.

---

1. **Labor-Intensive Installation** Removing and reinstalling a cylinder head requires disassembling the engine, which involves removing the intake manifold, exhaust manifold, fuel injectors, and other components. This is time-consuming and best left to professionals unless you have mechanical experience.

2. **Potential for Hidden Damage** When removing the head, you may discover other issues (e.g., warped head, cracked gasket, worn camshaft lobes) that weren t apparent before. These could add unexpected costs.

3. **Risk of Improper Installation** If not installed correctly, valves may not seat properly, leading to leaks, poor performance, or even catastrophic failure. This underscores the importance of following service manuals or using a professional.

4. **Cost of Additional Parts** Beyond the valve set, you may need a new head gasket, valve seals, or even a new cylinder head if it s warped or damaged. These add to the overall expense.

5. **Time Off the Road** A full head job can take several hours to complete, depending on your skill level. This means your vehicle will be out of commission for an extended period.

6. **Quality Variability** If purchasing from a lesser-known supplier, there s a risk of receiving subpar or counterfeit parts that fail prematurely. Always buy from trusted brands or dealers.

7. **Potential for Overkill** If the engine is otherwise in poor condition (e.g., worn pistons, rod bearings, or a failing turbo), replacing just the valves may not be enough to restore reliable performance.

---

Replacing the inlet valve set in your 2.2L AAN engine is a **wise preventive measure** if you re experiencing symptoms like rough idle, misfires, reduced power, or excessive carbon buildup. It s a cost-effective way to restore engine efficiency and prevent more serious (and expensive) damage. However, the job is **labor-intensive and technically demanding**, so unless you re comfortable with engine disassembly, hiring a professional is strongly recommended.

If you proceed, **source the part from a reputable supplier** (e.g., Audi specialty shops, trusted aftermarket brands like Fel-Pro, Bosch, or Mahle) to ensure quality. Budget for **additional components** (gasket, seals, possibly a head if damaged) and **labor costs** if outsourcing the work. If your engine has other underlying issues, address those simultaneously to avoid repeating the process soon.

- **If symptoms are present (e.g., performance loss, carbon fouling):** Proceed with the valve replacement as soon as possible to avoid further degradation.

- **If the engine is otherwise healthy:** This is a **good long-term investment** to maintain performance and reliability.

- **If you lack mechanical experience:** Hire a **trusted mechanic** with Audi experience to ensure proper installation.

- **If the engine is old or has other issues:** Consider whether a **full engine evaluation** (including pistons, bearings, and turbos) is warranted before committing to just the valve set.

For the best results, **combine this repair with a full valve job (including exhaust valves and seats)** if your budget allows, as this ensures balanced engine health. Always prioritize **quality parts and professional installation** to maximize the lifespan of your engine.

Details:

AUDI S6 95-97. 210268269 2.2L Inlet Valve Set 4. No expedited shipping options are available at this time. Provides unrestricted 53 ft truck access no residential streets, gates, or limited entry areas.

AUDI 100 92-94 5 cylinder.

part #: 027109601c prices

• $10.64-$162.00

specifications cylinderheapar:

• for models: A6, S6
• for makes: Audi
• for years: 1994-1997
• mpn: 027109601c
• model: S6-audi
• part type: Valve Engine Cylinder Head
• conditions options: 2.2l Inlet Valve Set
• genuine oem: Yes
• ipn: 306-58571 94 95 96 97

returns cylinderheapar:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

general cylinderheapar:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads

payments cylinderheapar:

• other
• wallet: Google-pay
• cash
• credit card: Visa

offer cylinderheapar:

• started: February 9, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• best offers: True
• quantity: 1

shipping cylinderheapar:

• type: Fixed
• transit: 3-8 Days
• service: Economy, Standard
• class: Economy, Standard
• cost: $0.00

seller cylinderheapar:

• city: North Brunswick, New Jersey
• rating: 100.0%
• # reviews: 29504

Audi 027109601C Is Similar To:

• 06k103063an Audi Golf Gti Engine Cylinder Head Cntc Cnta (47.5% similar) I can not stress enough, am selling test equipment...(December 15th, 2018)
• 077103373aeas Audi Quattro Oem Right Cylinder Head Aeas Tshelf (37.2% similar) Should fit audi a8 97-99, and possibly other applications. 2 v8 1999 audi a8 quarto. You are viewing a good, used oem right cylinder head from please match our part number with yours to ensure fitment...(September 21st, 2018)
• 077103373aeat Audi Quattro Oem Left Cylinder Head Aeat Tshelf (37.5% similar) 2 v8 1999 audi a8 quarto. Should fit audi a8 97-99, and possibly other applications. Please match our part number with yours to ensure fitment...(September 21st, 2018)
• Valve Audi Shims 31mm.dia Adjusting 15 Vw (12.8% similar) German Italian...(March 27th, 2015)
• 81017200 Ajusa For Audi Cylinder Head Bolt (33.6% similar) Part: 1997 -2001 prices...(November 13th, 2018)
• 81051700 Ajusa For Audi Cylinder Head Bolt (33.6% similar) Part: 2004 -2005 prices...(November 15th, 2018)
• 5-cylinder 204-4704 Arp Vw Audi 20v 12pt Undercut Head Stud Kit (24.7% similar) Store trusty...(April 8th, 2016)
• Vw Liquid Chemical Head Gasket Audi (23.7% similar) Audi, VW 75ML chemical gasket...(February 27th, 2019)
• 06e103404 Audi Fsi Cylinder Head Right Complete (38.5% similar) J parts are used therefore, scuffs, scratches, and marks to be expected. Removed from 2013 audi a7 audi q7 2017 fs cylinder head right complete. Condition is used...(February 28th, 2020)
• 034 108 Z054 Audi Vw Media Blaster Cylinder Head Adapter (34.5% similar) Part: 034MOTORSPORT prices...(September 9th, 2021)
• Volkswagen 03c103063cl Engine Cylinder Head With Valves For 2008-2016 Vw Jetta Golf Audi A1 A3 (46.3% similar) Engine cylinder head w/ valves for 2008 -2016 Volkswagen VW Etta golf audi a1 A3. Product function. 100% brand new and high quality,durable. Fits for the reference. Cc 2012 -2016 1.4 RSI coma cathode 118KW 160PS. Please compare with your original one before purchasing. The compatibility is just ...(October 5th, 2023)