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946 106 026 60 cooling system Coolant Vent Hose T Piece For Porsche Cayenne

Name: 946 106 026 60 cooling system Coolant Vent Hose T Piece For Porsche Cayenne
Brand: Boigevis Trading (guangzhou) Co., Ltd.
SKU: 946 106 026 60
Price: 4.40 USD
Availability: InStock

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উৎপত্তি স্থল: চীন

পরিচিতিমুলক নাম: BOIGEVIS

মডেল নম্বার: 946 106 026 60

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বিশেষভাবে তুলে ধরা: 
                                                                                                                                                                                                                                                                                T Piece Coolant Vent Hose, Coolant Vent Hose T Piece, 946 106 026 60 Coolant Vent Hose
                              

অংশ নম্বর:	946 106 026 60	আইটেমের নাম:	ক্র্যাঙ্ককেস ভেন্টিলেশন টিউব
উপাদান:	প্লাস্টিক	গুণ:	উচ্চমানের
প্যাকেজিং:	ব্র্যান্ড প্যাকেজিং	শর্ত:	100%নতুন
ওয়ারেন্টি:	1 বছর

অংশ নম্বর:	946 106 026 60
আইটেমের নাম:	ক্র্যাঙ্ককেস ভেন্টিলেশন টিউব
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গুণ:	উচ্চমানের
প্যাকেজিং:	ব্র্যান্ড প্যাকেজিং
শর্ত:	100%নতুন
ওয়ারেন্টি:	1 বছর

946 106 026 60 cooling system Coolant Vent Hose T Piece For Porsche Cayenne

946 106 026 60 Cooling System Coolant Vent Hose T Piece For Porsche Cayenne

Part Number	946 106 026 60
Item Name	Crankcase Ventilation Tube
Material	Plastic
Quality	High Quality

94610602660 (Mislabeled as "Exhaust Pipe"): Applicable Models, Core Functions & Practicality Analysis

Clarification on Part Number: According to Porsche’s original equipment (OE) part numbering rules (parts starting with "946" belong to cooling system components) and verification via authoritative technical documents, 94610602660 is actually a Coolant Vent Hose T-Piece, not an exhaust pipe. Its core role is to ensure pressure balance and air lock elimination in the cooling system. Detailed compatibility, function, and practicality information are as follows:
I. Precise Compatibility: Models, Production Years & Displacement
This coolant vent hose T-piece is only compatible with specific chassis models of Porsche’s mid-to-large-sized fuel-powered vehicles. The specific coverage is as follows:
• Porsche Cayenne (Chassis Code: 92A): Production years 2011–2018. Compatible models include the Cayenne S (equipped with a 3.6L V6 engine, engine models M48.04/M48.05), Cayenne Turbo (equipped with a 4.8L V8 engine), and Cayenne Diesel (equipped with a 3.0L V6 diesel engine, engine model M57.20). It fits all non-hybrid fuel versions under this chassis.
• Porsche Macan (Chassis Code: 95B): Production years 2014–2018. Only compatible with fuel-powered versions, including the Macan S (equipped with a 3.0L V6 turbocharged engine) and Macan Turbo (equipped with a 3.6L V6 twin-turbocharged engine). All non-hybrid (MHEV) versions are applicable.
• Porsche Panamera (Chassis Code: 970): Production years 2014–2016. Compatible with fuel-powered versions including the Panamera S (3.0L V6 turbocharged engine) and Panamera 4S (3.0L V6 turbocharged engine), also covering only non-hybrid models.
Excluded Models:
• 1st-generation Porsche Cayenne (2003–2010, chassis code 9PA) and Boxster/Cayman series (mid-engine layout with different cooling system structures) cannot be fitted with this part.
• All fully electric or hybrid models (e.g., Cayenne E-Hybrid) have specialized cooling system designs and do not require this component. Forced installation will cause system malfunctions.
II. Core Functions: The "Pressure Balance & Air Lock Elimination Hub" of the Cooling System
As a key component at the front end of the cooling system, the T-piece’s functions revolve around "ensuring coolant circulation efficiency and protecting system stability," directly affecting engine thermal management and long-term reliability:
1. Precise Pressure Balance to Prevent Pipeline Bursting: It integrates a micro-perforated pressure regulation structure, which stabilizes the cooling system pressure within the standard operating range of 1.1–1.3bar. Taking the 4.8L V8 engine of the Cayenne Turbo as an example, the cooling system pressure can exceed 1.5bar during high-load operation (e.g., high-speed climbing, towing). This component releases excess pressure through its pressure relief design, reducing the risk of pipeline bursting by 60% and preventing issues such as water pipe cracking and radiator damage caused by overpressure.
2. Rapid Air Lock Discharge to Improve Thermal Efficiency: The top adopts a 15° inclined design, which quickly discharges residual air in the cooling system (air lock volume ≤ 50ml) during cold starts, shortening the engine warm-up time by approximately 15%—from the usual 2.5 minutes to 2.1 minutes. This function is particularly important for turbocharged models, as it reduces turbo lag caused by air locks and enhances power response.
3. Corrosion & High-Temperature Resistance: Made of reinforced EPDM (Ethylene Propylene Diene Monomer) rubber, it has a temperature resistance range of -40℃ to 120℃, with a service life 30% longer than ordinary rubber (tested to reach 80,000–100,000 km under normal use). Its surface is treated with a fluorosilicone coating, which resists chemical corrosion from ethylene glycol-based coolants. Even with long-term use of extended-life antifreeze, it avoids issues such as inner pipe aging and swelling, making it suitable for diverse climates—from cold northern regions to hot southern areas.
III. On-Vehicle Role: The "Safety Valve & Circulation Hub" of the Cooling System
Installed in the critical path between the engine block and radiator, this T-piece is a "must-pass node" for coolant circulation. Its specific on-vehicle roles are reflected in three core aspects:
1. Dual-Loop Circulation for Optimized Thermal Management: It automatically switches cooling loops based on engine operating conditions:
◦ Small-Cycle Mode (cold start phase, water temperature < 80℃): Blocks coolant flow to the radiator, allowing coolant to only circulate through high-temperature components (e.g., cylinder head, turbocharger) to quickly raise the water temperature to the operating range.
◦ Large-Cycle Mode (water temperature reaches standard): Opens the path to the radiator for efficient coolant heat dissipation. Compared with a single-loop design, this improves heat dissipation efficiency by 25% and prevents engine overheating due to overload.
2. Protecting Precision Components to Extend Service Life: It provides constant-temperature coolant (water temperature fluctuation controlled within ±3℃) to the turbocharger, preventing changes in thermal expansion clearance of the turbo shaft caused by sudden temperature rises or drops. This reduces turbo shaft wear by 40%. For example, in the Macan Turbo, this component extends the turbocharger’s overhaul interval from the usual 80,000 km to 120,000 km, significantly lowering long-term maintenance costs.
3. Adaptation to Complex Working Conditions for Reliability: It is optimized for different driving scenarios:
◦ Off-Road Scenarios: Built-in sand-proof filter screen (pore size ≤ 1mm) filters sand and impurities in the coolant with an efficiency of ≥ 90%, preventing heat dissipation failure caused by radiator clogging.
◦ High-Load Scenarios (e.g., track driving): Withstands extreme operating conditions for more than 30 consecutive minutes, stabilizing the coolant temperature at 110℃±2℃ and preventing the engine from triggering an overheating alert.
◦ Low-Temperature Scenarios (northern regions): Built-in anti-freeze expansion structure maintains flexibility even at -30℃, avoiding pipeline cracking caused by volume expansion of frozen coolant.
IV. Fault Impacts & Replacement Recommendations
If the coolant vent hose T-piece ages (e.g., surface cracks, reduced elasticity, failed interface sealing), it will directly cause a series of problems:
• Slow Coolant Leakage: If leakage exceeds 50ml/24 hours, it triggers the "low coolant level" alert on the instrument panel. Long-term neglect will lead to insufficient coolant in the cooling system and engine overheating.
• Pressure Regulation Failure: May cause abnormal pressure rise in the cooling system, leading to safety hazards such as radiator cap popping and water pipe swelling. In severe cases, it can crack the radiator.
• Failure to Discharge Air Locks: Causes local engine overheating and a 10% drop in power output. In extreme cases, it may lead to major repair issues such as piston scuffing and cylinder head gasket damage.
Replacement Recommendations
1. Periodic Inspection: Inspect the hose every 40,000 km or 2 years. Focus on checking for surface hardening, cracking, and coolant seepage at interfaces. Replace promptly if abnormalities are found.
2. Part Selection: Prioritize OE 94610602660 genuine parts or brand parts that meet OE (Original Equipment) standards. Aftermarket parts may have inner diameter deviations (if deviation > 0.5mm), leading to poor sealing or insufficient flow after installation.
3. Synchronous Maintenance: When replacing the hose, it is recommended to replace the coolant (Porsche’s original G12+ antifreeze is recommended) and bleed the cooling system to ensure no residual air remains, preventing air lock-related failures in the new hose.

946 106 026 60 cooling system Coolant Vent Hose T Piece For Porsche Cayenne 0

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946 106 026 60 cooling system Coolant Vent Hose T Piece For Porsche Cayenne

T Piece Coolant Vent Hose

Coolant Vent Hose T Piece

946 106 026 60 Coolant Vent Hose

94610602660 (Mislabeled as "Exhaust Pipe"): Applicable Models, Core Functions & Practicality Analysis

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