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2.9/3.0L 24v - EA839 DECA / CWGD
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2.9/3.0L 24v - EA839 DECA / CWGD
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Wössner EA839 2.9/3.0 forged piston kit (DECA, CWGD) bore 84.5 mm, compression ratio 10:1, pin 22 mm. Compatible with Audi/Porsche/VW, vehicle table and OEM references included.
Specifications of the forged pistons offered by NSB Concept for V6 24v EA839 2.9 / 3.0 (Audi, Porsche, Volkswagen) – codes DECA & CWGD
| Reference | OEM Bore 84,50 mm | OEM CR 2.9 : 10,0 :1 / 3.0 : 11,2 :1 | OEM Pin 20 mm | Height OEM Pin 28,5–30,0 mm | Range | Coating | Aluminium | Forging | Dome | Weight | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| K9551DA | 84.5 | 10:1 | 22 | 30 | Wossner | NC | NC | Slipper | -3.6 cc | NC | 845XPY |
Compatibility (engine codes):
Note : code exact and references to be confirmed par VIN/model year.
vehicles original equipped des V6 EA839 2.9 / 3.0 :
| Brand | Model | Engine code | Power | Years |
|---|---|---|---|---|
| Audi | RS4 Avant (B9) | DECA | 450 hp | 2017 – 2024 |
| Audi | RS5 Coupé / Sportback (B9) | DECA | 450 hp | 2017 – 2024 |
| Audi | S4 (B9) | CWGD | 354 hp | 2017 – 2024 |
| Audi | S5 (B9) | CWGD | 354 hp | 2017 – 2024 |
| Audi | SQ5 (FY) | CWGD | 354 hp | 2017 – 2024 |
| Audi | A6 (C8) 55 TFSI | CZSE / DR | 340 hp | 2018 – 2024 |
| Audi | A7 (C8) 55 TFSI | CZSE / DR | 340 hp | 2017 – 2024 |
| Audi | A8 (D5) 55 TFSI | CZSE / DR | 340 hp | 2017 – 2024 |
| Audi | Q7 55 TFSI | CZSE / DR | 340 hp | 2019 – 2024 |
| Audi | Q8 55 TFSI | CZSE / DR | 340 hp | 2018 – 2024 |
| Porsche | Panamera 4S (971) | EA839 2.9 | 440 hp | 2016 – 2024 |
| Porsche | Panamera 4 E-Hybrid (971) – ICE | EA839 2.9 | 330 hp | 2016 – 2024 |
| Porsche | Cayenne S (E3, phases 2017–2022) | EA839 2.9 | 440 hp | 2017 – 2023 |
| Porsche | Macan S (2019 MY) | EA839 3.0 | 354 hp | 2019 – 2023 |
| Volkswagen | Touareg III (CR) 3.0 TSI | DCBE | 340 hp | 2018 – 2024 |
OEM piston references :
Audi EA839 3.0 TFSI (S4/S5/SQ5/A6/A7/A8/Q7/Q8: CWGD, CZSE/DR): examples 06M 107 065 AB (piston STD), 06M 107 066 AK (correction +0.5), rings 06M 198 151 (to be confirmed by VIN).
Audi EA839 2.9 TFSI (RS4/RS5: DECA/DKMB): 06M 107 065 AD / 06M 107 066 AD depending on selection/rectification (to be confirmed by VIN).
Porsche 2.9 V6 biturbo (Panamera 971, Cayenne E3): PAB-107-065-D (replaces 9A7 107 065 10; variants 9A7 107 065 30/31 depending on bench/cylinder and model year).
Volkswagen Touareg III 3.0 TSI (EA839): 06M 107 065 AD / 06M 107 066 AD (examples, depending on model year and tolerance).
Important: indicative references. Always validate with the series number (VIN) and the EPC manufacturer.
Warning : Before installation, please verify the integrity and conformity of each component of the piston kit as well as the correctness of the assembly in the engine; any warranty is strictly limited to the parts included in the piston kit.
