ASTON MARTIN VANTAGE AM6 2018-2025 JY53-70041-AB Transmission

The part number JY53-70041-AB identifies the 8-speed automatic transaxle used in the Aston Martin Vantage (AM6) and the DB11 V8, covering the 4.0L Twin-Turbo V8 models from 2018 through the current 2025 production cycle.

Like other modern Astons, this is a ZF 8HP series transmission (specifically the 8HP70 or 8HP75 variant) mounted at the rear of the car for ideal weight distribution.

Technical Specifications

• Manufacturer: ZF Friedrichshafen.

• Model: 8HP70 / 8HP75 (8-speed torque converter automatic).

• Engine Pairing: Mercedes-AMG sourced 4.0L V8 Bi-Turbo (M177).

• Torque Capacity: Designed to handle the 675 Nm to 800 Nm (on the 2025 model) output of the V8.

• Mounting: Rear mid-mounted transaxle, connected to the engine via a carbon fiber propeller shaft.

Model Compatibility

This specific unit (JY53 prefix) is shared across the V8-powered “New Era” Astons:

1. Vantage (AM6): All V8 models from 2018 to 2024.

2. Vantage S (2025): The heavily updated 656 hp model continues to use the 8-speed ZF architecture with revised software.

3. DB11 V8: Shares this exact gearbox part number with the Vantage, as they use the same drivetrain layout.

Key Maintenance Points

• Fluid Service: While the factory often calls this a “filled-for-life” unit, ZF recommends a fluid and filter change every 80,000 km (50,000 miles) or 8 years.

• Integrated Filter: The transmission filter is built into the plastic oil pan. You must replace the entire pan (HY53-6D635-AA) during service.

• Software Pairing: If you are buying a used unit (like the common 20k-mile salvage units often found online), the TCM (Transmission Control Module) must be programmed to your vehicle’s VIN to avoid an immobilizer lock and to ensure the shift points match your specific engine tune.

Quick Comparison: Old vs. New