Pistons & Rings Set compatible with Audi RS6 C7, RS7, S8, S8 4H
Set of 8 engine pistons and rings with a 9.3:1 compression ratio and STD 0.00 specification. Features a 84.5mm piston diameter and 22mm pin wrist diameter for 4.0 TFSI V8 engines.
Key facts
- Part type
- Pistons & Rings Set
- Included
- Set
- Type
- Aftermarket replacement
Compatibility matrix
Only models verified by our team are listed| Parts for | Model | This part |
|---|---|---|
| Audi | Audi S8 4H | Fits |
| Audi S8 | Fits | |
| Audi RS7 | Fits | |
| Audi RS6 C7 | Fits |
Only the models listed above have a confirmed catalog fit. If yours is absent, compatibility is unknown, not ruled out. Compare the exact model identifier and any published dimensions or connectors before ordering.
Where to find your model number
- Audi: Use your 17-character VIN. It's on the driver-side dashboard at the base of the windshield and on the driver's door jamb sticker. The year is in the 10th character. Also check your registration or the owner's manual.
General manufacturer guidance: exact label position can vary by model.
Pistons & Rings Set specifications
- Compression Ratio
- 9.3:1
- Piston Diameter
- 84.5mm
- Pin Wrist Diameter
- 22mm
- Ring Thickness
- 1.2mm / 1.5mm / 2.0mm
- Engine Code compatibility
- CTFA, CRDB, CWUB, CWUC, DDTA, CRD, CWU, CTF, DDT
- OE Numbers
- 079 107 066 EP, 077 198 151 S, N 911 980 01, 079 107 066 ED/EJ/EL, 077 198 151 R/AA
Installation
This part should be installed by a qualified technician. The job involves specialist tools, safety risks or precise calibration, so we do not publish a do-it-yourself guide for it.
More parts for Audi RS7
See all Audi RS7 parts
More parts for Audi S8
See all Audi S8 parts
12 month warranty on every part
Every part we sell is covered for 12 months from delivery. If it fails in normal use, we replace it or refund you , claim it straight from your order page.
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Questions & answers
+Which models does this pistons & rings set fit?
Our team verified it for Audi S8 4H, Audi S8, Audi RS7, Audi RS6 C7. The full list is in the compatibility table above.
+How do I make sure it fits my exact model?
Find the model number on your vehicle registration or VIN and compare it with the table above. Our fit guarantee covers verified models.
+What's in the box?
Pack size: Set, as listed for this part. Check the photos and specifications for the exact contents.
+Is it hard to install?
Install difficulty: Expert · professional install recommended. Compare with your old part and follow your device manual.
+How fast will it arrive?
This part is in stock in the USA: delivery within 3 to 8 business days, free shipping in the US.
+Is there a warranty?
Yes, a 12-month warranty is included, and you can extend it at checkout. Returns are accepted within 30 days.