--- product_id: 14730021 title: "Genuine Toyota 90916-A3003 Thermostat" brand: "toyota" price: "₨842" currency: SCR in_stock: true reviews_count: 11 category: "Toyota" url: https://www.desertcart.sc/products/14730021-genuine-toyota-90916-a3003-thermostat store_origin: SC region: Seychelles --- # Optimal engine temperature control Genuine OEM precision fit Durable, long-lasting build Genuine Toyota 90916-A3003 Thermostat **Brand:** toyota **Price:** ₨842 **Availability:** βœ… In Stock ## Summary > πŸ”₯ Keep your engine cool and your drive hot with genuine Toyota precision! ## Quick Answers - **What is this?** Genuine Toyota 90916-A3003 Thermostat by toyota - **How much does it cost?** ₨842 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/14730021-genuine-toyota-90916-a3003-thermostat) ## Best For - toyota enthusiasts ## Why This Product - Trusted toyota brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Perfect OEM Fit:** Engineered by Toyota for seamless compatibility with Lexus, Toyota, and Scion models. - β€’ **Easy Installation:** Designed for straightforward replacement with exact OEM specificationsβ€”no guesswork needed. - β€’ **Trusted by Thousands:** Rated 4.7 stars by over 590 customers who value genuine quality and peace of mind. - β€’ **Durability You Can Trust:** Crafted with high-quality materials ensuring longevity and consistent operation. - β€’ **Reliable Temperature Regulation:** Maintains ideal engine temperature to boost performance and prevent overheating. ## Overview The Genuine Toyota 90916-A3003 Thermostat is an OEM replacement part designed to maintain optimal engine temperature for Toyota, Lexus, and Scion vehicles. With a perfect fit and durable construction, it ensures reliable performance and longevity, backed by high customer ratings and trusted Toyota engineering. ## Description TOYOTALEXUSSCION 90916A3003 GENUINE OEM THERMOSTAT Review: Perfect OEM Toyota quality. Perfect fit for Pontiac Vibe. - Perfect OEM Toyota quality. Perfect fit for Pontiac Vibe. Review: 2003 Toyota Camry V6 3.0 LE -Make sure Thermostat Gasket is flush against engine - Looks sturdy and appears to be a genuine Toyota part. With my 2003 Toyota Camry V6 3.0, there are 3-10mm nuts that have to be removed to take off the thermostat housing that contains the thermostat. I also ordered the Water Inlet Housing Gasket (Toyota Part# 16325-62010) which is the rubber gasket that fits around this thermostat so it doesn't leak. The thermostat housing then can be pulled off the 3 threaded studs. I also removed the air cleaner and any vacuum lines, and even a wire harness plastic attachment piece that I thought would facilitate more room for this job. I try to remove anything I can to make it easy on myself. One tip that really makes working on engines much easier is labeling the vacuum lines and where they attach with the same color nail polish; it dries quickly and you'll never have a problem or worry about connecting vacuum lines on your engine again. The top nut is the easiest to see and remove after putting a 10mm socket with an extension on it. The nut toward the firewall is a little difficult; you just have to maneuver the ratchet with an extension around the wires or tubing. You can use your fingers to feel where the nut is to give you an idea of how to place a 10mm socket on it. The 3rd, and last nut, is underneath the thermostat toward the front of the car and can be difficult to get a socket on; I couldn't see it at first. I then realized if I looked straight down from above wth a flashlight, I could see this nut. You could use a ratchet with a straight extension as with the other nuts, or even better if you have it, use a wobble extension. I also found that when reattaching the thermostat housing to the engine with the three nuts, using an extendable magnet tool, although not necessary, was helpful in putting the nuts on the studs initially. Then, after starting the nuts on the threaded part of the studs with the magnet, I used the 10mm socket with the extension to tighten the nut the rest of the way. One caution-After I first put the new thermostat gasket on the thermostat, I placed the thermostat against the engine, guided the thermostat housing against the thermostat via the three studs and attached the 3 nuts. It leaked. I had unknowingly pinched the gasket when tightening/positioning the thermostat with the the new attached gasket against the engine. I should have known it wasn't flush as the one nut (back nut,closest to the firewall) was harder to tighten than the others. Take your time and, if you have one, use one of those extendable mirrors to assure that the thermostat gasket isn't protruding somewhere. A good light source is very helpful for this job. You also might want to replace the water inlet O-ring(Toyota Part# 9676135031) that is attached to the silver colored metal tube that gets pushed inside the thermostat housing when reassembling everything. Mine looked fine after 16 years, but while I was there... ## Features - Genuine Lexus OEM product ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00G0PQQ52 | | Best Sellers Rank | #82,919 in Automotive ( See Top 100 in Automotive ) #111 in Automotive Replacement Engine Thermostats | | Brand | Toyota | | Customer Reviews | 4.7 4.7 out of 5 stars (596) | | Date First Available | October 19, 2013 | | Is Discontinued By Manufacturer | No | | Item Weight | 0.01 ounces | | Item model number | 90916-A3003 | | Manufacturer | Toyota | | Manufacturer Part Number | 90916-A3003 | | OEM Part Number | OE: Toyota%90916A3003; TOYOTA%90916A3003 | | Package Dimensions | 4.17 x 2.91 x 1.81 inches | ## Images ![Genuine Toyota 90916-A3003 Thermostat - Image 1](https://m.media-amazon.com/images/I/7129OkxjoLL.jpg) ![Genuine Toyota 90916-A3003 Thermostat - Image 2](https://m.media-amazon.com/images/I/81qMcPajuDL.jpg) ## Questions & Answers **Q: Does this part come with the required gasket?** A: No **Q: is this 195 deg Or 180 deg, NOT in TECH Details,or any Reviews** A: Looked it up on MonkeyWrenchRacing site, it's 180 degrees. Used this in my 2005 Corolla XRS. **Q: When this thermostat fails does it stay open or closed** A: Either one. It can stick open or closed or even halfway. Genuine Toyota coolant is good for 100,000 miles. So best practice is to change it when you change the coolant. **Q: Is this compatible with a 2007 Toyota Solara (4 cylinder)?** A: Cannot confirm for you. I purchased it for a 6cylinder Solara 2005. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect OEM Toyota quality. Perfect fit for Pontiac Vibe. *by Z***7 on November 26, 2025* Perfect OEM Toyota quality. Perfect fit for Pontiac Vibe. ### ⭐⭐⭐⭐⭐ 2003 Toyota Camry V6 3.0 LE -Make sure Thermostat Gasket is flush against engine *by T***T on July 20, 2019* Looks sturdy and appears to be a genuine Toyota part. With my 2003 Toyota Camry V6 3.0, there are 3-10mm nuts that have to be removed to take off the thermostat housing that contains the thermostat. I also ordered the Water Inlet Housing Gasket (Toyota Part# 16325-62010) which is the rubber gasket that fits around this thermostat so it doesn't leak. The thermostat housing then can be pulled off the 3 threaded studs. I also removed the air cleaner and any vacuum lines, and even a wire harness plastic attachment piece that I thought would facilitate more room for this job. I try to remove anything I can to make it easy on myself. One tip that really makes working on engines much easier is labeling the vacuum lines and where they attach with the same color nail polish; it dries quickly and you'll never have a problem or worry about connecting vacuum lines on your engine again. The top nut is the easiest to see and remove after putting a 10mm socket with an extension on it. The nut toward the firewall is a little difficult; you just have to maneuver the ratchet with an extension around the wires or tubing. You can use your fingers to feel where the nut is to give you an idea of how to place a 10mm socket on it. The 3rd, and last nut, is underneath the thermostat toward the front of the car and can be difficult to get a socket on; I couldn't see it at first. I then realized if I looked straight down from above wth a flashlight, I could see this nut. You could use a ratchet with a straight extension as with the other nuts, or even better if you have it, use a wobble extension. I also found that when reattaching the thermostat housing to the engine with the three nuts, using an extendable magnet tool, although not necessary, was helpful in putting the nuts on the studs initially. Then, after starting the nuts on the threaded part of the studs with the magnet, I used the 10mm socket with the extension to tighten the nut the rest of the way. One caution-After I first put the new thermostat gasket on the thermostat, I placed the thermostat against the engine, guided the thermostat housing against the thermostat via the three studs and attached the 3 nuts. It leaked. I had unknowingly pinched the gasket when tightening/positioning the thermostat with the the new attached gasket against the engine. I should have known it wasn't flush as the one nut (back nut,closest to the firewall) was harder to tighten than the others. Take your time and, if you have one, use one of those extendable mirrors to assure that the thermostat gasket isn't protruding somewhere. A good light source is very helpful for this job. You also might want to replace the water inlet O-ring(Toyota Part# 9676135031) that is attached to the silver colored metal tube that gets pushed inside the thermostat housing when reassembling everything. Mine looked fine after 16 years, but while I was there... ### ⭐⭐⭐⭐⭐ Correct OEM Part *by J***W on October 21, 2025* This was the correct OEM thermostat for a 2003 Toyota Highlander 3.0 (90916-A3003). Seller sent it fast and it was fairly priced.Thanks! ## Frequently Bought Together - Genuine Toyota 90916-A3003 Thermostat - Toyota Genuine Water Inlet Gasket - Genuine Toyota 89422-35010 Water Temperature Sensor --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sc/products/14730021-genuine-toyota-90916-a3003-thermostat](https://www.desertcart.sc/products/14730021-genuine-toyota-90916-a3003-thermostat) --- *Product available on Desertcart Seychelles* *Store origin: SC* *Last updated: 2026-09-11*