About TRQ: TRQ is a trusted brand dedicated to making every repair a success story by combining premium parts with easy installation. Each TRQ part is engineered by a team of automotive experts to meet or exceed OEM standards, delivering enhanced performance and maximum longevity. With rigorous in-house testing, the brand ensures superior fit and function across every product line. TRQ also provides customers with best-in-class, step-by-step installation videos—so you can complete repairs with confidence, whether you're a first-time DIYer or an industry professional.
Returns: Parts with electrical components cannot be returned once installed.
Attention California Customers:
WARNING: This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
This part fits
4 vehicles spanning 2000-2011.
Fits these Makes
Select vehicle
Year
Make
Model
Description
2003-2008
Ford
Crown Victoria
Ford Crown Victoria Power Steering Pressure Switch TRQ PSA75173
2000-2003
Ford
Focus
Ford Focus Power Steering Pressure Switch TRQ PSA75173
2003-2011
Lincoln
Town Car
Lincoln Town Car Power Steering Pressure Switch TRQ PSA75173
2003-2008
Mercury
Grand Marquis
Mercury Grand Marquis Power Steering Pressure Switch TRQ PSA75173
Part Interchange
Brand Label
Part Number
Standard Ignition
PSS44
Ford
YS4Z3N824EA
NAPA Mileage Plus
PS333SB
Carquest Premium Vehicle Solutions
PSA1011
Original Engine Management
PSS7
CARQUEST Premium By WELLS
53-47320
VEMO
V25-73-0077
Wells
PS496
Duralast
PS496
Airtex
1S6835
BWD
PS114
Wells
1S6835
T Series
PSS44T
Ford
YS4Z-3N824-EA
Echlin
PS333
Rostra Powertrain
501209
This item may be interchangeable with parts from other brands with the above part numbers.
This information is provided only for reference and does not guarantee that the item you are
purchasing is identical to parts with part numbers from the brands listed above.
To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
Returns: Parts with electrical components cannot be returned once installed.
FREE Shipping is standard on Orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii, Alaska and US Territories. Shipping is not available to Canada.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii and US Territories as well as P.O. Boxes and APO/FPO/DPO addresses. Final shipping costs are available at checkout.
Product Reviews
5.0/ 5
★★★★★★★★★★
2 reviews
5★
100%
4★
0%
3★
0%
2★
0%
1★
0%
★★★★★August 30, 2025
Power steering pressure switch was easy to remove old and replace with new the 1A part.
It fixed easily onto the thread. No leaks. I would recommend it.
★★★★★September 22, 2023
Power steering pressure switch.
Good so far 1 month installed.
Showing 1–2 of 2 reviews
PSA75173
In Stock
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Specify your vehicle's year, make and model to guarantee fit.