Timing Chain Tensioner. Porsche 982 Boxster / Cayman / 991.2 / 992.1 2017>>

Fits:

• Porsche Boxster 718 2.0L Manual (300 Bhp)
• Porsche Boxster 718 2.0L PDK (300 Bhp)
• Porsche Boxster S 718 2.5L Manual (350 Bhp)
• Porsche Boxster S 718 2.5L PDK (350 Bhp)
• Porsche Boxster T 718 2.0L Manual (300 Bhp)
• Porsche Boxster T 718 2.0L PDK (300 Bhp)
• Porsche Boxster GTS 718 2.5L Manual (365 Bhp)
• Porsche Boxster GTS 718 2.5L PDK (365 Bhp)
• Porsche Cayman 718 2.0L Manual (300Bhp)
• Porsche Cayman 718 2.0L PDK (300Bhp)
• Porsche Cayman S 718 2.5L Manual (350Bhp)
• Porsche Cayman S 718 2.5L PDK (350Bhp)
• Porsche Cayman T 718 2.0L Manual (300Bhp)
• Porsche Cayman T 718 2.0L PDK (300 Bhp)
• Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
• Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
• Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
• Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
• Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19
• Porsche 992.1 Carrera 2 3.0L 2019-24
• Porsche 992.1 Carrera 4 3.0L 2019-24
• Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
• Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
• Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
• Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
• Porsche 992.1 Targa 4 3.0L 2020-24
• Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
• Porsche 992.1 Turbo 3.8L 2020-24
• Porsche 992.1 Turbo S 3.8L 2020-24
• Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
• Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24

• The timing chain tensioner is a hydraulic (typically oil-fed) or spring-loaded device that takes up slack in the timing chain drive system. Without correct tension, the chain can “slap”, skip a tooth, or jump, which can cause serious engine timing errors.
• In an engine like the Porsche performance flat-six, accurate timing is critical. The tensioner ensures the chain remains properly seated against the guides/rails and avoids noise, mis-timing, or eventual failure.
• Because modern Porsche engines often use duplex chains, intermediate shafts and high rev operation, a precise tensioner is essential for durability, reliability and performance.

• You hear rattling, clattering or ticking noises from the timing‐cover area on startup or idle — a classic symptom of a loose timing chain.
  
• Your car triggers engine fault codes related to camshaft timing, crankshaft–cam correlation, or variable valve timing errors, indicating possible timing chain slack or timing drive issues.
  
• You are doing major engine work (e.g., timing cover removal, chain/guide replacement) — since the tensioner is integral to the timing chain system, it’s prudent to replace it at the same time for full reliability.
• The engine has high mileage or service history, and you want to pre-emptively safeguard the chain drive.
• On visual inspection (if accessible) you find slack in the timing chain, worn guides/rails, or old/deteriorated tensioner components.

• Engine protection: A faulty tensioner can allow the timing chain to jump or skip, which risks piston-to-valve contact, major engine damage, and costly repairs.
  
• Maintains precise timing & performance: Correct chain tension ensures accurate valve timing, smooth idle, full power delivery and reliability.
  
• Eliminates noise & improves reliability: Replacing a worn tensioner removes chain-slap noise and helps prevent future failure.
  
• Cost efficient when engine access is open: Since accessing the tensioner and chain drive requires substantial labour, replacing the tensioner while you’re already there avoids further job later.