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- Description
- Fitment
- Warranty and Refund
- Reviews
The Motorad 5168KT is a complete engine coolant thermostat housing assembly built to OE specifications, combining a stainless steel and copper housing with a wax-pellet disk thermostat and included O-ring seal for a straightforward, all-in-one repair. The copper case and wax compound are designed to respond promptly to changing coolant temperature, opening at 195°F to help maintain consistent engine operating temperature. An offset design and air relief valve support proper coolant flow and de-airing during installation. Covering 89 documented applications across Chevrolet, GMC, Oldsmobile, and Isuzu trucks and SUVs from 1996-2013, including popular models like Silverado 1500, Sierra 1500, Blazer, S10, Sonoma, and Suburban variants, this kit brings the housing, thermostat, and seal together so you're not sourcing separate parts. Mounting hardware is not included, so have your own fasteners ready for installation.
Features
- Copper case thermostat reacts quickly to coolant temperature changes for stable engine operating range
- Includes O-ring seal so you don't need to source a separate gasket for installation
- Stainless steel and copper housing construction built to withstand demanding cooling system conditions
- Offset design with air relief valve helps proper coolant flow and de-airing during service
- Complete housing, thermostat, and seal assembly simplifies the repair into a single part number
Application Summary
1996-2001 Oldsmobile Bravada 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS1996-2003 GMC Jimmy 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1996-2004 Chevrolet S10 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1996-2004 GMC Sonoma 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1996-2005 Chevrolet Blazer 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1997-1999 Isuzu Hombre 4.3L 4294CC -CID V6 OHV 12 Valve Naturally Aspirated GAS
1999 Chevrolet C1500 5.0L -CC 305CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet C1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 Chevrolet K2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC C1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC C2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC K1500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999 GMC K2500 Suburban 5.7L -CC 350CID V8 OHV 16 Valve Naturally Aspirated GAS
1999-2002, 2004, 2008-2009 Chevrolet Silverado 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
1999-2006 GMC Sierra 1500 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2000 Isuzu Hombre 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2003, 2005-2006 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated GAS
2004-2005 GMC Jimmy 4.3L 4294CC -CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2007 Chevrolet Silverado 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007 GMC Sierra 1500 Classic 4.3L -CC 262CID V6 OHV 12 Valve Naturally Aspirated GAS
2007-2009 GMC Sierra 1500 4.8L -CC 294CID V8 OHV 16 Valve Naturally Aspirated GAS
2010-2013 Chevrolet Silverado 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FULL HYBRID EV-FLEX (FHEV)
2010-2013 GMC Sierra 1500 6.0L 5967CC 364CID V8 OHV 16 Valve Naturally Aspirated FULL HYBRID EV-FLEX (FHEV)
Specifications
- Brand: Motorad
- Part Number: 5168KT
- Part Type: Engine Coolant Thermostat Housing Assembly
- UPC: 055644680347
- GTIN: 00055644680347
- Package Dimensions: 6.5 x 5 x 7 IN
- Package Weight: 1.38 LB
- Package Quantity: EA
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









