Thermostat 1603131011 for Toyota Lexus
1603131011 - Engine parts
Price Details
Dealer Price ≠ Your Price
Official dealer price is only a benchmark. Your LongTop quote may be 40-50% lower.
| Brand | Manufacturer | Cost (Excl. Tax, USD) | Cost (Incl. Tax, USD) | Sales (Excl. Tax, USD) | Sales (Incl. Tax, USD) | Longtop Supply Quote |
|---|---|---|---|---|---|---|
| FAW Toyota | Toyota | - | - | $26.21 | $29.62 | Check Better Price |
| GAC Toyota | Toyota | - | - | $27.12 | $30.65 | Check Better Price |
| Imported Toyota | Toyota | - | - | $27.12 | $30.65 | Check Better Price |
| Lexus | Lexus | $20.31 | $22.95 | $27.12 | $30.65 | Check Better Price |
Replacements
Alternative OE numbers related to this product.
| Brand | Original OE | Replacement OE |
|---|---|---|
| - | 1603131011 | 1603131010 |
Compatible Models
Vehicle models currently mapped to this OE part.
| # | Brand | Model |
|---|---|---|
| 1 | Lexus | LEXUS GX400/460 - 200911 - GRJ158,URJ150 |
| 2 | Toyota | 4RUNNER - 200211 - 200908 - GRN21#,KZN215 |
| 3 | Toyota | 4RUNNER - 200908 - GRN28 |
| 4 | Toyota | COASTER (CHINA) - 201301 - GRB53,TRB53,XZB53 |
| 5 | Toyota | FJ CRUISER - 200707 - GSJ15 |
| 6 | Toyota | FJ CRUISER - 200707 - 202212 - GSJ15 |
| 7 | Toyota | FORTUNER (SUV) - 202108 - GGN155,GUN15#,16#,LAN155,TGN156,16 |
| 8 | Toyota | FORTUNER (SUV) - 202208 - GGN155,GUN15#,16#,LAN155,TGN156,166 |
| 9 | Toyota | FORTUNER (SUV) - 202308 - GGN155,GUN15#,16#,TGN156,TGN166 |
| 10 | Toyota | FORTUNER (SUV) - 202408 - GGN155,GUN15#,16#,TGN156,166 |
| 11 | Toyota | FORTUNER - 200501 - 201204 - GGN50,60,KUN5#,6#,LAN50,TGN51,61 |
| 12 | Toyota | FORTUNER - 201107 - 202110 - GGN50,60,KUN5#,6#,LAN50,TGN51,61 |
| 13 | Toyota | FORTUNER - 201507 - 202104 - GGN155,165,GUN15#,16#,KUN156,165,LAN155,TGN156,16 |
| 14 | Toyota | FORTUNER - 202006 - 202205 - GGN155,GUN1##,LAN155,TGN1 |
| 15 | Toyota | HILUX (DOUBLE CAB) - 202108 - GGN125,GUN12#,13#,LAN125,TGN12#,13 |
| 16 | Toyota | HILUX (DOUBLE CAB) - 202208 - GGN125,GUN12#,13#,LAN125,TGN12#,136 |
| 17 | Toyota | HILUX (DOUBLE CAB) - 202308 - GG125,GUN12#,13#,TGN12#,136 |
| 18 | Toyota | HILUX (DOUBLE CAB) - 202308 - GGN125,GUN12#,13#,LAN125,TGN12#,136 |
| 19 | Toyota | HILUX (DOUBLE CAB) - 202308 - GGN125,GUN12#,13#,TGN12#,136 |
| 20 | Toyota | HILUX (DOUBLE CAB) - 202408 - GGN125,GUN12#,13#,LAN125,TGN12#,136 |
| 21 | Toyota | HILUX (DOUBLE CAB) - 202408 - GGN125,GUN12#,13#,TGN12#,136 |
| 22 | Toyota | LAND CRUISER(CHINA) - 200712 - 201612 - GRJ200,URJ202,UZJ200 |
| 23 | Toyota | LAND CRUISER - 200701 - FZJ7#,GDJ7#,GDJL7#,GRJ7#,HZJ7#,VDJ7#,VDJL7 |
| 24 | Toyota | LAND CRUISER - 200701 - GDJ7#,GDJL7#,FZJ7#,GRJ7#,HZJ7#,VDJ7#,VDJL7 |
| 25 | Toyota | LAND CRUISER - 200709 - GRJ200,URJ20#,UZJ200,VDJ200 |
| 26 | Toyota | LAND CRUISER - 202104 - FJA300,GRJ300,VJA300,VJH300 |
| 27 | Toyota | LAND CRUISER - 202104 - FJA300,GRJ300,VJA300 |
| 28 | Toyota | LAND CRUISER PRADO - 200209 - 201003 - GRJ12#,KDJ120,KZJ120,LJ12#,RZJ12#,TRJ12 |
| 29 | Toyota | LAND CRUISER PRADO - 200908 - 201708 - GDJ150,GRJ150,KDJ150,LJ150,TRJ15 |
| 30 | Toyota | LAND CRUISER PRADO - 201005 - 202006 - GRJ150L-GKA*KC,GRJ152,TRJ150L-GK*EKC,TRJ152 |
| 31 | Toyota | LAND CRUISER PRADO - 201708 - GDJ150,GRJ150,KDJ150,LJ150,TRJ15 |
| 32 | Toyota | HILUX - 200408 - 201204 - GGN15,25,35,KUN1#,2#,3#,LAN15,25,35,TGN1#,26,36 |
| 33 | Toyota | HILUX - 201107 - 202110 - GGN15,25,35,KUN1#,2#,3#,LAN15,25,35,TGN1#,26,36 |
| 34 | Toyota | HILUX - 201505 - 202105 - GGN1##,GUN1##,KUN1##,LAN125,TGN1 |
| 35 | Toyota | HILUX - 202006 - 202301 - GGN125,GUN1##,LAN125,TGN1 |
| 36 | Toyota | FJ CRUISER - 201011 - 201801 - GSJ15 |
| 37 | Toyota | LAND CRUISER - 201408 - GRJ7 |
| 38 | Toyota | LAND CRUISER PRADO - 200209 - 200908 - GRJ12#,KDJ12#,RZJ12#,TRJ12#,VZJ12 |
| 39 | Toyota | LAND CRUISER PRADO - 200908 - 201708 - GDJ15#,GRJ15#,TRJ150 |
| 40 | Toyota | HILUX SURF - 200211 - 200908 - GRN215,KDN215,RZN21#,TRN21#,VZN21 |
| 41 | Toyota | LAND CRUISER - 201708 - GDJ15#,GRJ150,KDJ150,TRJ150 |
| 42 | Toyota | LAND CRUISER PRADO - 200209 - 200908 - GRJ12#,KDJ12 |
| 43 | Toyota | LAND CRUISER PRADO - 200908 - 201708 - GDJ15#,GRJ150,KDJ15 |
| 44 | Toyota | 4RUNNER - 200208 - 200908 - GRN21#,UZN21 |
| 45 | Toyota | 4RUNNER - 200908 - GRN28#,TRN28 |
| 46 | Toyota | FJ CRUISER - 200601 - 201407 - GSJ1 |
| 47 | Toyota | TACOMA - 200409 - GRN2##,3##,TRN2 |
| 48 | Toyota | TUNDRA - 199902 - 200610 - GSK30,UCK3#,4#,VCK30,40 |
| 49 | Toyota | TUNDRA - 200611 - 202110 - GSK5#,UCK5#,UPK5#,USK5 |
How to
Common Issues
Why is it necessary to provide my VIN for this thermostat?
Toyota and Lexus cooling systems vary significantly based on engine displacement, regional emissions standards, and production dates. Providing your VIN allows us to cross-reference your vehicle's exact build data against the manufacturer's catalog, ensuring that the thermostat 1603131011 is the correct match for your specific cooling system configuration.
What are the common symptoms of a failing thermostat?
A failing thermostat often presents as an engine that takes too long to warm up, or conversely, an engine that overheats quickly during operation. You may also notice fluctuating temperature gauge readings, poor cabin heater performance, or visible coolant leaks around the thermostat housing area, indicating that the seal or unit has failed.
Do you offer support for wholesale and bulk orders?
Yes, we provide dedicated support for wholesale distributors and repair shops looking to source genuine parts in bulk. We offer flexible order handling and reliable logistics support to ensure your inventory needs are met efficiently. Please reach out to our team with your specific part requirements and shipping destination for further assistance.
Installation Guide
Preparation
Ensure the engine is completely cool before starting any work on the cooling system to prevent burns from hot coolant. Gather the necessary hand tools, a drain pan, and a clean workspace. Always wear protective gloves and eyewear when handling automotive fluids.
Remove Old Part
Locate the thermostat housing and place a drain pan underneath to catch escaping coolant. Carefully loosen the housing bolts and remove the old unit, taking note of the orientation of the gasket and the thermostat itself. Clean the mounting surface thoroughly to ensure a proper seal for the new part.
Install New Genuine Part
Position the new genuine thermostat into the housing, ensuring the gasket is seated correctly to prevent leaks. Reinstall the housing cover and tighten the bolts evenly to the specified sequence. Once installed, refill the cooling system with the manufacturer-recommended coolant and bleed the system of any trapped air.
Product Description
Main Description
The thermostat 1603131011 is a critical component of the engine cooling system, responsible for regulating coolant flow to maintain the engine at its optimal operating temperature. Over time, the internal wax element can degrade, leading to a stuck-open or stuck-closed position. This failure often results in engine overheating or a failure to reach operating temperature, which can negatively impact fuel efficiency and overall engine health. Replacing a faulty unit with this 100% Genuine New part ensures that your cooling system functions exactly as the manufacturer intended.
We prioritize accuracy for every order, which is why we strongly recommend VIN verification before purchase to confirm compatibility with your specific vehicle configuration. Our team provides dedicated support for retail buyers, repair shops, and wholesale distributors worldwide. Whether you are performing a routine maintenance task or a complex repair, we are here to assist with your procurement needs and ensure you receive the correct components for your Toyota or Lexus vehicle.
Fitment Note
Fitment for this thermostat is highly specific to the engine type, chassis code, and production market. Because Toyota and Lexus utilize various cooling system configurations across different model years, the OE number alone may not guarantee a perfect match. Please provide your full VIN to ensure the part is compatible with your vehicle's cooling specifications.
Buyer Note
We support a wide range of customers, including individual vehicle owners, independent repair shops, and international automotive parts wholesalers. Our team is equipped to handle flexible order volumes and provides comprehensive shipment support to ensure your parts arrive safely. Please contact us with your requirements to discuss how we can assist with your specific procurement needs.
Disclaimer
Notice: Fitment may vary by model, chassis, engine, and production year. Please verify your VIN with us before purchasing to ensure correct fitment.
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