Discover the P0128 code and its significance for various car makes, including Jeep, Dodge, Chevy, and Honda Civic. Learn common causes and steps to address coolant thermostat issues efficiently.
September 23, 2023
ACDelco 12T99D | Front Engine Coolant Thermostat
Part Number
12T99D
Special Price $25.25 Regular Price $29.70
Out of stock
Description
The ACDelco 12T99D Front Engine Coolant Thermostat is the premier choice for ensuring your vehicle reaches and maintains its optimal operating temperature with accuracy and dependability. This top-tier ACDelco thermostat expertly controls the flow of coolant through your radiator, promoting engine efficiency and longevity. Precision-engineered to fit an array of Chevrolet, GMC, Hummer, and Workhorse models, this replacement thermostat excels in performance and reliability, making it a staple choice for both professional mechanics and dedicated DIY enthusiasts alike. Opting for the ACDelco 12T99D means longer engine life and improved fuel efficiency, as it efficiently manages engine heat. Whether you're replacing a malfunctioning thermostat or conducting preventive maintenance, this thermostat is crucial for maintaining the integrity of your engine's cooling system. Embrace the quality assurance that comes with ACDelco's renowned craftsmanship, knowing you're investing in a product that delivers consistent results and peace of mind on the road.
Features
- Expertly controls coolant flow for optimal engine temperature
- Professional-grade, premium aftermarket replacement
- Renowned ACDelco dependability and performance
- Perfect fit for various Chevrolet, GMC, Hummer models
- Manufactured to meet strict quality standards
Specifications
| Height: | 3.2 in |
| Length: | 3.5 in |
| Overall Height: | 52 mm |
| Weight: | 0.15 lb |
| Width: | 3.2 in |
| Seal Type: | Gasket |
| Sealing Flange Diameter: | 2.047 in |
| Start to Open Temperature: | 185°F (85°C) |
| Programming Required: | No |
Fitment
- 2001-2020 Chevrolet Silverado 2500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2001-2006 Chevrolet Silverado 3500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2001-2020 GMC Sierra 2500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2001-2006 GMC Sierra 3500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2003 Chevrolet C4500 Kodiak | Position: Front | Note: Temperature 185F Includes seal Front OEM Recommended Temp Standard
- 2003-2009 Chevrolet C5500 Kodiak | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2003-2009 GMC C4500 Topkick | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2003-2009 GMC C5500 Topkick | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2004-2009 Chevrolet C4500 Kodiak | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2005-2011 Workhorse LF72 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2005 Workhorse Custom Chassis P42 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2006-2016 Chevrolet Express 2500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2006-2016 Chevrolet Express 3500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2006-2016 GMC Savana 2500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2006-2016 GMC Savana 3500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2006 Hummer H1 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007 Chevrolet Silverado 2500 HD Classic | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007 Chevrolet Silverado 3500 Classic | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007-2020 Chevrolet Silverado 3500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007 GMC Sierra 2500 HD Classic | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007 GMC Sierra 3500 Classic | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007-2020 GMC Sierra 3500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2007 Workhorse Custom Chassis W72 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2009-2016 Chevrolet Express 4500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2009-2016 GMC Savana 4500 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2019-2020 Chevrolet Silverado 4500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2019-2020 Chevrolet Silverado 5500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2019-2020 Chevrolet Silverado 6500 HD | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
- 2019-2020 International CV515 | Position: Front | Note: Temperature 185F Includes seal OEM Recommended Temp Standard
Customer Questions
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