Stock Item Ship Same Day. (2:00 MST cutoff)
🚨 Orders Over $200 Save 15% On Shipping! Use Code: SHIP15 🚨

Engine Coolant Thermostat and Housing Assembly - GM (12678784)

2016-2023 GM

Replaces 12673280

Currently Unavailable

Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products
Manufacturer Warranty Minimum of 12 Months
Guaranteed Fitment Always the correct parts
Shop with Confidence Your information is safe
In-House Experts We know our products
  • Details
  • Also Purchased
  • Additional Info
  • Vehicle Fitment
  • Product Reviews
  • Ask Our Team
  • Warranty & Disclosures
  • Installation Instructions
  • Policies

Details

  • Brand:
    Buick, GMC, Cadillac, Hummer, Saturn, Oldsmobile, Pontiac, Chevrolet Parts
  • SKU: 12678784
  • Positions: Lower
  • Other Names: Thermostat Housing, 1248
  • Description:

    Repairs leaking thermostat housings

  • Condition: New
  • Applications: 3.0L, 3.6L.
  • Replaces: 12670209, 12673280
  • Sold In Quantity: 1

Vehicle Fitment

Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
2023 Cadillac CT5 Premium Luxury, V 3.0L V6 - Gas
2023 Chevrolet Camaro LT 3.6L V6 - Gas
2022 Cadillac CT5 Premium Luxury, V 3.0L V6 - Gas
2022 Chevrolet Camaro LT 3.6L V6 - Gas
2022 Chevrolet Colorado LT, WT, Z71, ZR2 3.6L V6 - Gas
2022 GMC Canyon AT4, Denali, Elevation, Elevation Standard 3.6L V6 - Gas
2021 Cadillac CT5 Premium Luxury, V 3.0L V6 - Gas
2021 Chevrolet Camaro LT 3.6L V6 - Gas
2021 Chevrolet Colorado LT, WT, Z71, ZR2 3.6L V6 - Gas
2021 GMC Canyon AT4, Denali, Elevation, Elevation Standard 3.6L V6 - Gas
2020 Cadillac CT5 Premium Luxury, V 3.0L V6 - Gas
2020 Cadillac CT6 Luxury, Premium Luxury 3.6L V6 - Gas
2020 Chevrolet Camaro LT 3.6L V6 - Gas
2020 Chevrolet Colorado LT, WT, Z71, ZR2 3.6L V6 - Gas
2020 GMC Canyon All Terrain, Base, Denali, SLE, SLT 3.6L V6 - Gas
2019 Cadillac ATS Premium Luxury, Premium Performance 3.6L V6 - Gas
2019 Cadillac CT6 Luxury, Platinum, Premium Luxury, Sport 3.0L V6 - Gas, 3.6L V6 - Gas
2019 Cadillac CTS Luxury, Premium Luxury 3.6L V6 - Gas
2019 Chevrolet Camaro LT 3.6L V6 - Gas
2019 Chevrolet Colorado LT, WT, Z71, ZR2 3.6L V6 - Gas
2019 GMC Canyon All Terrain, Base, Denali, SLE, SLT 3.6L V6 - Gas
2018 Cadillac ATS Premium Luxury, Premium Performance 3.6L V6 - Gas
2018 Cadillac CT6 Base, Luxury, Platinum, Premium Luxury 3.0L V6 - Gas, 3.6L V6 - Gas
2018 Cadillac CTS Luxury, Premium Luxury 3.6L V6 - Gas
2018 Chevrolet Camaro LS, LT 3.6L V6 - Gas
2018 Chevrolet Colorado LT, WT, Z71, ZR2 3.6L V6 - Gas
2018 GMC Canyon All Terrain, Base, Denali, SLE, SLT 3.6L V6 - Gas
2017 Cadillac ATS Premium Luxury, Premium Performance 3.6L V6 - Gas
2017 Cadillac CT6 Base, Luxury, Platinum, Premium Luxury 3.0L V6 - Gas, 3.6L V6 - Gas
2017 Cadillac CTS Luxury, Premium Luxury 3.6L V6 - Gas
2017 Chevrolet Camaro LS, LT 3.6L V6 - Gas
2017 Chevrolet Colorado LT, WT, Z71, ZR2 3.6L V6 - Gas
2017 GMC Canyon Base, Denali, SLE, SLT 3.6L V6 - Gas
2016 Cadillac ATS Luxury, Performance, Premium 3.6L V6 - Gas
2016 Cadillac CT6 Base, Luxury, Platinum, Premium Luxury 3.0L V6 - Gas, 3.6L V6 - Gas
2016 Cadillac CTS Luxury, Performance, Premium 3.6L V6 - Gas
2016 Chevrolet Camaro LT 3.6L V6 - Gas
(3732 more fitments)

Watson Chevrolet Parts

Order your Engine Coolant Thermostat and Housing Assembly (12678784) for your 2016-2023 vehicle today from Watson Chevrolet Parts and have it shipped directly to your home or shop. We're dedicated to our customers and work hard to ensure that you find the right genuine OEM GM parts quickly. You can Contact Us with any questions and one of our GM Certified Parts Consultants will be happy to assist you.

Shop more GM parts by selecting your model below:

| Buick Parts | Cadillac Parts | Chevrolet Parts | GMC Parts |

|Hummer Parts | Oldsmobile Parts | Pontiac Parts | Saturn Parts |