Holstein 2BWS0171 Disc Brake Pad Wear Sensor - Rear

OE Quality 60-Day Returns

Holstein Parts

Holstein 2BWS0171 Disc Brake Pad Wear Sensor - Rear

Brand	Holstein 2BWS0171
Position	Rear
Connector Gender	Male
Terminal Quantity	2
Terminal Type	Bullet
Product line	Holstein Parts
Fits	Porsche · 32 vehicles

Brake wear sensor. Monitors pad wear for timely service alerts.

Bullet terminals. Two-terminal male connector for a secure electrical connection.

Cross-references Anchor 10013, BBB Industries 19074 and Centric Parts 116.37027 for the same application. See all 14.

$20.05Free shipping

In stock · usually ships same day before 1pm CST

Step 1 — Confirm fitment

Free return shipping if it doesn't fit when you check fitment here first.

Confirm position

Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

Step 2 — Quantity

Disc Brake Pad Wear Sensors are typically replaced in pairs, axle by axle.

Free shipping to the continental U.S.

Free returns within 60 days if it doesn't fit when fitment is verified.

Not what you need? See all Disc Brake Pad Wear Sensor options

Rear Brake Pad Wear Sensor for Porsche

Holstein Parts 2BWS0171 is a disc brake pad wear sensor for rear brake applications on select Porsche Boxster and Cayman models. It uses a 2-terminal bullet connection with a male connector gender for direct replacement of the original wear sensor on equipped vehicles.

Key Features

Disc brake pad wear sensor for rear brake systems
Terminal type: bullet
Terminal quantity: 2
Connector gender: male
Holstein Parts product line replacement for select Porsche rear brake wear sensor applications

Detailed Description

Holstein 2BWS0171 is built for rear brake pad wear monitoring on Porsche Boxster and Porsche Cayman models listed below. This sensor is used in ceramic brake applications on select years and also covers additional rear fitments without ceramic brake on the 2012 Cayman and broader Boxster/Cayman coverage where specified. The Holstein Parts line focuses on direct-fit replacement electrical components, and this part number is referenced for the same application across several aftermarket catalogs, including PowerStop SW-1527 and Standard Ignition PWS226.

Compatible With: Fits 2005-2008 Porsche Boxster, rear; Fits 2010-2012 Porsche Boxster, rear, w/ ceramic brake; Fits 2005-2012 Porsche Boxster, rear; Fits 2006-2008 Porsche Cayman, rear, w/ ceramic brake; Fits 2007-2012 Porsche Cayman, rear; Fits 2010-2012 Porsche Cayman, rear, w/ ceramic brake; Fits 2012 Porsche Cayman, rear, w/o ceramic brake.

What It Helps Address

Brake pad wear warning light staying on after pad service
Damaged or broken rear brake wear sensor wiring
Faulty wear sensor signal on Porsche Boxster or Porsche Cayman
Need for a direct replacement sensor during rear brake maintenance
Intermittent brake pad wear indicator warnings

Installation Notes and Tips

Verify the connector style, terminal count, and rear position before installation. Confirm whether the vehicle is equipped with ceramic brakes, since fitment varies by brake configuration on some Porsche Boxster and Cayman models. Inspect the sensor routing and connector condition during brake service to ensure the replacement sensor seats correctly.

Quality Assurance

Holstein Parts 2BWS0171 is cataloged as a replacement brake wear sensor for the listed Porsche applications and cross-references OE-style aftermarket part numbers for the same use.

This part fits 32 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Submodel	Liters	Cylinders	Position	Notes
2012	Porsche	Boxster	S	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2012	Porsche	Boxster	Spyder	3.4L	H6	Rear	Holstein Parts
2012	Porsche	Boxster	—	2.9L	H6	Rear	Holstein Parts
2012	Porsche	Cayman	S	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2012	Porsche	Cayman	R	3.4L	H6	Rear	w/o Ceramic Brake; Holstein Parts
2012	Porsche	Cayman	—	2.9L	H6	Rear	Holstein Parts
2011	Porsche	Boxster	S	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2011	Porsche	Boxster	Spyder	3.4L	H6	Rear	Holstein Parts
2011	Porsche	Boxster	—	2.9L	H6	Rear	Holstein Parts
2011	Porsche	Cayman	—	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2011	Porsche	Cayman	—	2.9L	H6	Rear	Holstein Parts
2010	Porsche	Boxster	—	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2010	Porsche	Boxster	—	2.9L	H6	Rear	Holstein Parts
2010	Porsche	Cayman	—	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2010	Porsche	Cayman	—	2.9L	H6	Rear	Holstein Parts
2009	Porsche	Boxster	—	3.4L	H6	Rear	Holstein Parts
2009	Porsche	Boxster	—	2.9L	H6	Rear	Holstein Parts
2009	Porsche	Cayman	—	3.4L	H6	Rear	Holstein Parts
2009	Porsche	Cayman	—	2.9L	H6	Rear	Holstein Parts
2008	Porsche	Boxster	—	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2008	Porsche	Boxster	—	2.7L	H6	Rear	Holstein Parts
2008	Porsche	Cayman	S	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2008	Porsche	Cayman	Base	2.7L	H6	Rear	Holstein Parts
2007	Porsche	Boxster	—	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2007	Porsche	Boxster	—	2.7L	H6	Rear	Holstein Parts
2007	Porsche	Cayman	S	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2007	Porsche	Cayman	Base	2.7L	H6	Rear	Holstein Parts
2006	Porsche	Boxster	—	3.2L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2006	Porsche	Boxster	—	2.7L	H6	Rear	Holstein Parts
2006	Porsche	Cayman	—	3.4L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2005	Porsche	Boxster	—	3.2L	H6	Rear	w/ Ceramic Brake; Holstein Parts
2005	Porsche	Boxster	—	2.7L	H6	Rear	Holstein Parts
No rows match your filter.

Directly replaces or cross-references 14 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

Anchor — 10013BBB Industries — 19074Centric Parts — 116.37027Hella Pagid — 355251411PowerStop — SW-1527Standard Ignition — PWS226URO — 98761267601084-1593987-612-676-011406-99773EWS93V45720033WK577WS426

Will it fit your vehicle?