Make sure this part fits

Cadillac 12639277 Sensor Assembly

2002-2005 Cadillac Escalade

Customer Questions & Expert Answers (5)
12639277 GM Sensor Assembly Product Photo 1 of 4
  • Part Description
    Sensor, Fuel Tank Meter/Pump
  • Replaced By
    19542055
  • Replaces
    97384931, 97261720, 12639450
  • Manufacturer
    General Motors
Make sure this part fits
$38.24 MSRP: $78.91
You Save: $40.67 (52%)
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Cadillac
    Manufacturer Part Number12639277
    Part DescriptionSensor Assembly; Sensor, Fuel Tank Meter/Pump
    Item Dimensions3.9 x 3.8 x 3.6 inches
    Item Weight0.40 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces97384931, 97261720, 12639450
    ManufacturerGeneral Motors
    SKU12639277
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    2002-2005 Cadillac Escalade3/4 TON, EXT 3/4 TON
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12639277 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    How do you remove the Fuel Pressure Sensor from the fuel supply line for the 2007 Chevrolet Silverado? Posted by Allona B.
    A:
    To remove the fuel pressure sensor from the fuel supply line, you need to unscrew it. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Julian / Sep 02, 2023
    Q:
    How should you tighten the Fuel Pressure Sensor of the 2010 GMC Sierra? Posted by Nazareth M.
    A:
    You should tighten the fuel pressure sensor securely. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Bob / Aug 29, 2025
    Q:
    Does this sensor come with an 0-ring? Posted by Derek G.
    A:
    Yes, this sensor comes with an o-ring to ensure a tight seal
    Answered by GM Parts Specialist Matt / Mar 14, 2021
    Q:
    How many sides does this sensor have? Posted by Pavel K.
    A:
    This sensor has 8 sides
    Answered by GM Parts Specialist Matt / Mar 13, 2021

Genuine GM Part 12639277, the Right Choice

To ensure reliability, purchase GM part # 12639277 Sensor Assembly. It is sometimes referred to as Cadillac Fuel Pressure Sensor. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Cadillac Escalade models.

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