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37029P

Name: 37029P Alternator Pulley
Brand: AAASTAND
Availability: InStock

Article number: TO23001 AAASTAND's product is cross-referenced with this one.

An alternator pulley connects the alternator to the engine via a belt and helps transfer mechanical energy from the engine to the alternator for electricity generation.

Tailored for wholesale and OEM needs, our 37029P support OE number cross-reference. Please consult our sales team for MOQ and procurement details.

Designed to meet international certifications such as ISO, CE, and DOT, ensuring compatibility and safety across global markets.

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Details

Width [mm]

36,5

Inner diameter [mm]

14,5

Outer diameter [mm]

52,5

Number of grooves

OEM Numbers

23151JA02A

MY_NOTO23001
NISSAN23151-JA02A
NISSAN265031900
RUVILLE56830
INAF-554755.01
INAF-554755
INA535013710
GATES37029P

Vehicle Fitment

Make	Model	Type	Engine Code	Capacity	Fuel Type	Year	Power

NISSAN	X-TRAIL II (T31)	2.5 4x4	QR25DE	2488 CCM / 2.5 L	Petrol	2007-06-01 2013-11-01	124 KW / 169 PS
RENAULT	KOLEOS I (HY_)	2.5 (HY0C, HY0N)	2TR 702,2TR 700,2TR 703	2488 CCM / 2.5 L	Petrol	2008-09-01	126 KW / 171 PS
RENAULT	KOLEOS I (HY_)	2.5 4x4 (HY0C, HY0N)	2TR 702,2TR 700,2TR 703	2488 CCM / 2.5 L	Petrol	2008-09-01	126 KW / 171 PS
NISSAN	X-TRAIL II (T31)	2.5	QR25DE	2488 CCM / 2.5 L	Petrol	2007-09-01 2014-07-01	125 KW / 170 PS
NISSAN	TEANA II (J32)	2.5 FOUR All-wheel Drive	QR25DE	2488 CCM / 2.5 L	Petrol	2008-06-01 2012-12-01	123 KW / 167 PS
NISSAN	TEANA II (J32)	2.5	QR25DE	2488 CCM / 2.5 L	Petrol	2010-03-01 2013-01-01	123 KW / 167 PS

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Overview

Car models	NISSAN X-TRAIL II (T31); RENAULT KOLEOS I (HY_); NISSAN TEANA II (J32)
Engines	QR25DE; 2TR 702,2TR 700,2TR 703
Engine power (horsepower)	167-171 HP
Power (kilowatts)	123-126 KW
Year of manufacture	2007-2014

FAQs

The alternator pulley transmits rotational energy from the engine to the alternator, enabling it to generate electricity for charging the battery and powering electrical systems.

There are three main types: Fixed Alternator Pulley Overrunning Alternator Pulley (OAP) Decoupler Pulley

Common signs include unusual noises from the engine area, belt slippage, flickering lights, charging system warnings, or vibrations from the belt system.

An OAP is a type of alternator pulley with a one-way clutch mechanism. It allows the alternator to "freewheel" during engine deceleration, reducing stress on the belt and improving efficiency.

It’s possible if you have the right tools and experience. However, many alternator pulleys, especially OAPs, require specialized tools and expertise for proper installation.

A failing pulley can cause belt slippage, increased noise, reduced alternator efficiency, and eventually lead to battery discharge or damage to the belt system.

An alternator pulley typically lasts 80,000–150,000 km (50,000–90,000 miles), depending on driving conditions and maintenance.

Yes. A faulty pulley can cause excessive wear on the serpentine belt, tensioner, and potentially damage the alternator itself.

A fixed pulley rotates at a constant speed with the belt, while an OAP has a one-way clutch mechanism that allows the alternator to disengage during engine deceleration, reducing wear and vibration.

This could indicate a worn alternator pulley or bearing, belt misalignment, or tensioner issues.