Shop Parts & Accessories

Shop Aftermarket

Shop Clearance

Exhaust Pressure Differential Sensor - ACDelco (12677718)

2017-2025 ACDelco - 12677718

  • Sale Price: $28.21
  • Sale Price: $28.21

Review Fitment & Product Details

Details

  • Brand:

     Parts

  • SKU:

    12677718

  • GTIN: 00808709541639
  • UPC: 808709541639
  • Other Names:

    12677718

  • Description: ACDelco GM Original Equipment Exhaust Gas Differential Pressure Sensor is a GM-recommended replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This original equipment sensor will provide the same performance, durability, and service life you expect from General Motors. ⚠ WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
    Chevrolet;Chevrolet;GMC
  • Condition: New
  • Notes: Part Number - Old: 55599156
    Pallet Layer Maximum: 10
    Warranty Special: 24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)|36 Months/60,000 Kilometers Limited Warranty (Parts & Labour)
    Maximum Cases per Pallet Layer: 510
    Harmonized Tariff Code (HTS): 9026204000
    Life Cycle Status Code: 4
    Life Cycle Status Description: Announced
    Country of Origin (Primary): MY
    Warranty Special UOM: TX

Pricing is valid online only and may vary in your local store

Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment ALWAYS - When VIN is provided
Shop with Confidence Your information is safe
In-House Experts We know our products

Vehicle Fitment

Vehicle Fitment

Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Key Product Information

Additional Information

Brand GM Genuine Parts
Connector Gender Female
End 2 Port Outside Diameter (in) 0.393
Features & Benefits - Bullet 1 This part requires programming and/or special setup procedures. GM Service Information describes the procedures and special tools needed to ensure proper operation in the vehicle
Features & Benefits - Bullet 2 GM-recommended replacement part for your GM vehicle's original factory component
Features & Benefits - Bullet 3 Offering the quality, reliability, and durability of GM OE
Features & Benefits - Bullet 4 Manufactured to GM OE specification for fit, form, and function
Height (in) 1
Length (in) 3
Mounting Type Bracket
Port Outside Diameter (in) 0.314
Port Outside Diameter (mm) 8
Port Quantity 2
Programming Required Yes
Terminal Gender Male
Terminal Quantity 3
Terminal Type Blade
UPC 00808709541639
Weight (lb) 0.07
Width (in) 1.7

Features and Benefits

Interchange

Product Reviews

Product Reviews

Brand

Store

AutoNationParts.com

Discover Quality Auto Parts at AutoNation Parts Online – Delivered in 2 Days

At AutoNationParts.com, we offer a vast selection of OEM and aftermarket auto parts with fast, reliable 2-day shipping. Whether you're in Clearwater, FL, Chicago, IL, Atlanta, GA, Houston, TX, or Charlotte, NC, your parts are delivered quickly and efficiently.

OEM Parts for Your Vehicle

Our OEM parts are crafted to meet the exact specifications of your vehicle. Benefits include:

  • Perfect fit for your make and model
  • Reliable performance and durability
  • Preservation of your vehicle’s warranty

Choose OEM parts for peace of mind and the same quality your vehicle had when it left the factory.

Aftermarket Auto Parts: Affordable & Reliable

For those seeking cost-effective solutions, aftermarket parts provide:

  • Competitive pricing without sacrificing quality
  • Wide selection from trusted third-party manufacturers
  • Ideal for replacements, upgrades, or performance enhancements

Fast Shipping from Top Fulfillment Cities

We ship from strategically located distribution centers to ensure your auto parts arrive in 2 days or less. Key fulfillment cities include:

  • Clearwater, FL – Major parts hub for the Southeast
  • Chicago, IL – Central hub serving the Midwest
  • Atlanta, GA – Fast delivery across the Southeast
  • Houston, TX – Serving Texas and surrounding states
  • Charlotte, NC – Quick shipping to the Carolinas
  • Dallas, TX – Serving North Texas and Oklahoma
  • Los Angeles, CA – Quick delivery across Southern California
  • New York, NY – Serving the Tri-State area
  • Miami, FL – Fast delivery across Florida
  • Phoenix, AZ – Serving Arizona and Nevada
  • San Francisco, CA – Quick delivery across Northern California
  • Seattle, WA – Serving Washington and Oregon
  • Denver, CO – Serving Colorado and surrounding states
  • Las Vegas, NV – Serving Nevada and California
  • Orlando, FL – Serving Central Florida

Wherever you are in the U.S., our network ensures reliable delivery right to your door.

Why Choose AutoNation Parts Online?

  • Extensive inventory of OEM and aftermarket parts
  • Fast, 2-day shipping from key U.S. cities
  • Trusted quality and service from a publicly traded company
  • Convenient online shopping for auto parts, delivered right to your door.

Shop now and get your auto parts delivered in 2 days – Clearwater, Chicago, Atlanta, Houston, Charlotte, and beyond!