Porsche 718 / 982 Boxster & Cayman 4.0 GTS Radiator – Right Side | 9P1121250D | OEM Specification
Restore optimal thermal management with this genuine Porsche 718 GTS radiator, part number 9P1121250D, fitted to the right side of the 718 and 982 Boxster and Cayman 4.0 GTS. This precision-engineered, factory-grade cooling component delivers the outstanding thermal performance that the high-revving 4.0-litre naturally aspirated flat-six engine demands across every driving condition.
The right-side Porsche 718 GTS radiator is a critical component of the GTS cooling system architecture. The 4.0-litre flat-six engine is one of the most celebrated performance engines in the current Porsche range, delivering substantial power at high engine speeds with unique acoustic and tactile engagement. Sustained high-performance driving and track use place significant thermal demands on this engine, making genuine radiator specification critical to long-term engine health and reliability.
This Porsche 718 GTS radiator works alongside the left-side radiator and central cooling components to form a comprehensive multi-radiator architecture, distributing thermal load across multiple cooling surfaces within the mid-engine platform’s packaging constraints. Genuine OEM specification ensures every dimensional, material, and thermal performance parameter matches the Porsche factory standard precisely.
Complete Package Includes:
- Right-side radiator unit, part number 9P1121250D
- Factory mounting brackets and hardware
- Coolant connection fittings
Characteristics & Specification:
- Condition: Used, genuine OEM
- Part Number: 9P1121250D
- Position: Right side
- Engine Compatibility: 4.0 GTS flat-six
- Fitment: Direct OEM replacement
Vehicle Fitment – Compatible Models:
- Porsche 718 Boxster GTS 4.0
- Porsche 718 Cayman GTS 4.0
- Porsche 982 Boxster GTS
- Porsche 982 Cayman GTS
Installation Notes:
- Confirm full compatibility using vehicle VIN or part number before ordering
- Professional installation by a qualified Porsche technician strongly recommended
- Full cooling system pressure testing required after installation
- Inspect coolant hose connections and seals during fitment
Key Features:
- Genuine OEM Porsche 718 GTS radiator with exact factory part number match
- Engineered for the demanding thermal output of the 4.0-litre GTS engine
- Works within multi-radiator cooling architecture for maximum capacity
- Correct dimensional fit and pressure rating guaranteed
- Direct-fit replacement for damaged, leaking, or corroded units
Ideal For:
- 718 and 982 GTS owners replacing a damaged or corroded radiator
- Track day enthusiasts maintaining maximum cooling performance
- Specialist workshops carrying out full cooling system restoration
- Owners restoring their GTS to complete factory mechanical condition















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