Torsional Vibration Damper / S-Tronic Gearbox Vibration Damper – 0CJ301307

Original torsional vibration and resonant casing vibration damper (dynamic mass damper / vibration damper for the powertrain and transmission), designed for Audi A7 Sportback and S7 (4K / 4K8 generation), as well as Audi A6 C8 (type 4K2 / 4K5 / 4KA) and Audi Q5 (FY) produced from 2018 to 2026, including models with 3.0 V6 TFSI (55 TFSI / 340 hp), 2.0 TFSI and 3.0 TDI engines equipped with a 7-speed S-Tronic automatic transmission (DL382 gearbox family / type 0CJ, 0CK, 0HL) with quattro ultra drive, based on the modular MLBevo longitudinal platform.

Original VAG vibration damping component. It consists of a precisely balanced steel/cast iron inertial mass mounted in a sleeve made of a special vulcanized rubber compound, enclosed in an aluminum mounting arm that attaches directly to the transmission housing. It absorbs harmonic resonances generated by the V6 TFSI engine and the dual-clutch system at low speeds and under load (driving in a high gear in sailing / MHEV mode), eliminating humming, booming, and vibrations transmitted through the center tunnel into the passenger cabin.

Technical specifications:

• Catalog part number (OE): 0CJ301307 / 0CJ 301 307 (interchangeable with revisions in the 0CJ301307A, 0CJ301307B, 0CJ301307C series)

• System / Category: Gearbox and drivetrain / Gearbox vibration dampers, torsional vibration dampers, and powertrain assembly mounts (Vibration Damper / Transmission Mass Damper)

• Function: Damping of acoustic resonances and gearbox casing vibrations

• Gearbox type: 7-speed dual-clutch automatic transmission S-Tronic / DL382 (design codes: 0CJ / 0CK / 0HL / 0CL)

• Engine version: 3.0 V6 TFSI (55 TFSI / 340 hp), 2.0 TFSI and 3.0 TDI (Mild Hybrid 48V / 12V systems)

• Drive system: quattro (quattro ultra)

• Mounting location: Gearbox casing – rear section of the housing / inter-axle clutch housing

• Dedicated models: Audi A7 Sportback / S7 (type 4K8), Audi A6 / Avant / Allroad (type 4K / C8) and Audi Q5 / SQ5 (type FY)

• Steering side: Left-hand drive (LHD) and right-hand drive (RHD) – universal component

• Condition: Original used part (100% functional – damping insert rubber is intact, elastic, undamaged, and unburnt, metal core without cracks, mounting holes and sleeves undamaged)

• Manufacturer: Audi AG / VAG (OEM original)

Main application:

• Audi:

  • A7 Sportback (type 4K8) – model years 2018 to 2026 (S-Tronic 0CJ/0CK automatic transmissions, 3.0 TFSI 55 TFSI and 2.0 TFSI engines)

  • S7 Sportback (type 4K8) – model years 2019 to 2026

  • A6 / A6 Avant / Allroad (type 4K2 / 4K5 / 4KA - C8) – model years 2018 to 2026 (with 0CJ/0CK transmissions)

  • Q5 / SQ5 Sportback (type FY) – model years 2017 to 2026

Fitment guarantee and VIN verification

Each vibration damper undergoes an inspection of the elastomeric component's integrity (no separation of the rubber from the metal) and a check of the mounting seats before being prepared for shipping.

Fitment / installation note: The initial 0CJ designation (gearbox group 301) indicates that it belongs to the modular DL382-7A/7Q gearbox family with quattro ultra technology. Damage or tearing of the rubber insert in this damper manifests as a specific low-frequency resonance (booming/humming in the cabin) during acceleration between 1200 and 1800 rpm or when rear-wheel drive is engaged. Installing the original OEM mass damper restores the smooth operation of the powertrain. Before purchasing, we recommend checking the 3-letter gearbox code on the service sticker or verifying it using the vehicle's VIN.