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Replacement Parts

Engine Cooling & Climate Control

Thermostat Seals

ACDelco 12S21 Professional Engine Coolant Thermostat Seal

Sold Out / Out of Stock

ACDelco 12S21 Professional Engine Coolant Thermostat Seal
- Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature
- Professional, premium aftermarket replacement engine coolant thermostat
- Provides the performance and dependability you expect from ACDelco
- Manufactured to meet expectations for fit, form, and function
An ACDelco Professional, premium aftermarket Engine Coolant Thermostat Seal is the high quality replacement ideal for many vehicles on the road today. It seals the thermostat housing and helps prevent coolant from leaking from the engine. This premium aftermarket replacement engine coolant thermostat seal is manufactured to meet your expectations for fit, form, and function.

Country	USA
Brand	ACDelco
Manufacturer	ACDelco
Binding	Misc.
ItemPartNumber	12S21
Model	12S21
Warranty	24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.
UnitCount	1
UPCs	707773062739
EANs	0707773062739
ReleaseDate	0000-00-00

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