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Porsche Panamera 971 MK2 (2021-2023) 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23 Engine Rebuild Parts Camshaft gears / sprockets and fixings

Camshaft chain sprocket. Porsche 911 1965-89 › 90110505502

Camshaft chain sprocket. Porsche 911 1965-89 - 90110505500, 90110505501, 90110505502

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90110505502

Product Information

Camshaft chain sprocket
This original Porsche timing chain idler sprocket forms part of the engine camshaft timing drive system. It guides the timing chain around the chain wheel support assembly, helping maintain the correct chain path and reliable operation of the valve timing mechanism.

Fits:
Porsche 911 1965 - 1989

Diagram Ref No 6

The sprocket is fitted within the engine timing chain housing and works with the chain wheel support, timing chain and tensioner assembly.

What This Part Does / Functions

Guides the timing chain through the correct operating path
Supports smooth movement of the camshaft timing chain
Works with the chain wheel support and timing chain tensioner
Helps maintain correct chain engagement
Reduces unwanted chain movement when correctly installed
Supports reliable operation of the camshaft timing drive
Replaces worn, chipped or damaged sprocket teeth
Maintains the original Porsche engine timing arrangement.

Why Replace This Part?

The camshaft timing chain sprocket is exposed to continuous mechanical loading, engine vibration, oil and repeated timing chain movement. Over time, the sprocket teeth may become worn, damaged or unevenly shaped. A worn sprocket can accelerate timing chain wear, contribute to abnormal chain noise and reduce the efficiency of the timing chain drive system.

Replacing a worn component with a Genuine Porsche timing chain sprocket helps restore the correct chain engagement and factory timing drive arrangement.

When to Replace This Part

During timing chain replacement.
When sprocket teeth show visible wear or damage.
During engine rebuilding or restoration.
When replacing the timing chain tensioner or chain wheel support.
If the sprocket has become damaged or excessively worn.
During camshaft timing system overhaul.
When restoring the engine with Genuine Porsche components.

Where It Fits on the Car

The sprocket is fitted inside the engine camshaft timing chain housing, mounted on the relevant chain wheel support. It forms part of the left-hand and right-hand camshaft timing chain drive assemblies.

The timing chain runs over the sprocket as part of the system that transfers crankshaft rotation to the camshafts.

Related reference numbers
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90110505502

90110505500

90110505501

90110505502

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Camshaft Timing Sprocket - Intake. Porsche 95B-2 & 95B-3 Macan / 971 & 976 Panamera / 9YA-1 & 9YA-2 Cayenne

9A7109087

Product Information

Timing sprocket / drive mechanism for the intake camshaft.

Sold individually; two required per engine (one per intake camshaft).

Fits:
Porsche 95B-2 Macan S 3.0L V6 2019-21
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Porsche 971-2 Panamera 4S E-Hybrid 2.9L V6 2021-24
Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24

Porsche 976 Panamera 2.9L V6 2024>>
Porsche 976 Panamera 4 2.9L V6 2024>>
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Porsche 9YA-1 Cayenne E-Hybrid 3.0L V6 2018-24
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Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
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Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne 3.0L V6 2023>>
Porsche 9YA-2 Cayenne E-Hybrid 3.0L V6 2023>>
Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne S E-Hybrid 3.0L V6 2023>>
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Diagram ref. 6.

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Camshaft Adjuster Unit, Outlet. Porsche 95B.2 Macan / 971.1 / 971.2 Panamera / 976 Panamera / 9YA / 9YA.2 Cayenne

9A7109088

Product Information

Camshaft Adjuster Unit, Outlet.
Plate Included.
x2 Required Per Car.

Fits:
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Porsche 95B Macan GTS MKII 2.9L V6 Petrol 2019>>2021
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Cars With Engine Codes:
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Cars With Option Codes:
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TV8 - 6-Cylinder SI Engine 2.9L Unit 06M.A

Porsche 971 Panamera MKI 4S 2.9L Twin Turbo V6 Sport Turismo 2016>>2020
Porsche 971 Panamera MKI 3.0L V6 2016>>2020
Porsche 971 Panamera MKI 2.9L V6 E-Hybrid 2016>>2020
Cars With Engine Codes:
CSZ / CSZA / CSZB / CXT / CXTA / DGP / DGPA
Cars With Option Codes:
A8H - "Turbo" Equipment
E0W - GTS Version

Porsche 971 Panamera MKII 4.0L V8 / E-Hybrid 2021>>2024
Porsche 971 Panamera MKII 2.9L V6 / E- Hybrid 2021>>2024
Cars With Engine Codes:
ME1 / MH1 / MJ5 / D0D / D29 / D4D

Porsche 976 Panamera 4.0L V8 / E-Hybrid 2024>>
Porsche 976 Panamera 2.9L V6 / E-Hybrid 2024>>
Cars With Engine Codes:
TB5 / TV8

Porsche 9YA Cayenne 4.0L V8 / E-Hybrid 2017>>2023
Porsche 9YA Cayenne 2.9L V6 Petrol 2017>>2023
Porsche 9YA Cayenne 3.0L V6 Petrol / E-Hybrid 2017>>2023
Cars With Engine Codes:
DCU / DCUA / DCUD / DWN / DWNA / DCAB / DCA / DCBE / DCB

Porsche 9YB Cayenne 3.0L V6 / E-Hybrid 2023>>
Porsche 9YB Cayenne 4.0L V8 / E-Hybrid 2023>>
Cars With Engine Codes:
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Diagram Ref No 7, (Diagram Ref No 8 Included)

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Camshaft chain sprocket. Porsche 911 1965-89 › 90110505502