Drive belt, cars with Air con. Porsche 996 Turbo / 997 Turbo  ❭  99919237951

Drive belt, for cars with air conditioning
The Genuine Porsche 99919237951 drive belt is an OE Poly-V / serpentine belt for selected Porsche 996 Turbo and 997 Turbo models with air conditioning. It drives the engine auxiliary components according to the A/C belt routing, helping maintain reliable charging, air-conditioning and accessory system operation. Ideal for routine service or replacing a cracked, noisy, slipping or worn original belt.

Fits:
Porsche 996 Turbo 2000-2005 M96.70 Engine
Porsche 996 GT2 M96.70 Engine

Porsche 997 Turbo 2007-2009 3.6L M97.70 Engine
Porsche 997 GT2 RS 2011 M97.70 Engine

Diagram ref no 9

This belt is specifically listed for Porsche 996 Turbo / 997 Turbo applications with air conditioning. It replaces earlier Porsche part number 99919237950.

What This Part Does / Functions
•  Transfers drive from the engine pulley system to auxiliary components
•  Supports operation of the alternator and other belt-driven accessories
•  Works with the air-conditioning compressor drive layout on cars with A/C
•  Helps maintain correct accessory belt routing and pulley engagement
•  Supports reliable charging and auxiliary system operation
•  Helps prevent belt slip, squeal and accessory-drive faults when correctly fitted
•  Provides the correct OE Porsche belt profile, length and fitment
•  Replaces a cracked, worn, stretched, glazed or noisy original belt.

Why Replace This Part?
The drive belt is a service wear item and is exposed to heat, tension, pulley contact and engine movement. Over time, it can crack, glaze, stretch, fray or lose grip on the pulleys. A worn belt may cause squealing, slipping, charging issues, air-conditioning faults or complete accessory-drive failure. Replacing it with a Genuine Porsche OE drive belt helps restore reliable accessory drive operation and ensures the correct belt specification is used for Turbo models with air conditioning.

When to Replace This Part
•   f the belt is cracked, glazed, frayed or visibly worn
•   If the belt squeals, slips or makes noise during engine operation
•   If the belt has stretched or no longer runs correctly
•   During scheduled service or preventative belt replacement
•   When replacing the belt tensioner, idler pulleys, alternator or A/C compressor
•   If the belt has been contaminated by oil, coolant or debris
•   If charging or air-conditioning faults are linked to belt slip
•   When restoring the engine bay with correct OE Porsche service parts.

Where It Fits on the Car
This belt fits on the engine accessory drive system. It routes around the relevant pulleys, tensioner and driven components according to the factory air-conditioning belt layout.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99919237951

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