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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Merchant Automotive 10513 Engine Coolant Thermostat KitGet the Merchant Automotive 10513 Engine Coolant Thermostat Kit from GAP for your GM 6. 6L Duramax today. Replace those failing thermostats and seals with this kit designed to fit 2011 to 2016 Duramax 6. 6L. The front thermostat is mounted in the forward position of the thermostat housing and is identified by its symmetrical shape. It opens at 185 degrees, allowing coolant to flow to the radiator. The rear position thermostat is located toward the
Get the Merchant Automotive 10513 Engine Coolant Thermostat Kit from GAP for your GM 6.6L Duramax today. Replace those failing thermostats and seals with this kit designed to fit 2011 to 2016 Duramax 6.6L. The front thermostat is mounted in the forward position of the thermostat housing and is identified by its symmetrical shape. It opens at 185 degrees, allowing coolant to flow to the radiator. The rear position thermostat is located toward the firewall. It's identified by its offset design and has bleeder valves built in. It opens at 180 degrees, allowing coolant to flow to the radiator.
Kit Includes:
Rear Thermostat
Front Thermostat
Oil Fill Tube Seal
Features:
- OE Fit
- High-Quality Components
- Direct Replacement
Kit Includes:
Rear Thermostat
Front Thermostat
Oil Fill Tube Seal
WARRANTY INFO:
1 Year Limited
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
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Product Reviews
★★★★★ 5
Super great bra pins, work like a charm
Great replacement pins for a great price!
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Reviewed in the United States on April 13, 2026
★★★★★ 5
Exelent
all the liqui moly excellent good
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Reviewed in the United States on April 4, 2026
★★★★★ 5
IT WORKED!
I tried 4 bottles of two other products. They did not work. One bottle of Moly (in 1/2 tank of gas) fixed the problem after driving 100 miles. GREAT PRODUCT!
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Speed Fast
Love love all these products my engine runs like a Porsche I’m serious I have a 2000 Honda civic dx as well as 1996 Chevy Tahoe LT I love my vehicles especially when I pour this fabulous liquid into my vehicles five stars
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Reviewed in the United States on July 20, 2025
★★★★★ 5
Great product
Great product easy to use.
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Reviewed in the United States on January 16, 2026