Engine Coolant Thermostat Replacement for Toyota Land Cruiser FZJ80 Lexus LX450 1FZFE, OE 90916-03117 90916-03094
$5.45
Shop the 90916-03117 Engine Thermostat for Toyota Land Cruiser FZJ80 & Lexus LX450 (1FZ-FE). Precise temperature control to prevent overheating. Direct OE fit.
888788 in stock
Description
Key Selling Points
- Exact Vehicle Compatibility: Specifically engineered for Toyota Land Cruiser FZJ80 and Lexus LX450 models equipped with the 4.5L 1FZ-FE engine.
- Dual OE Reference: Directly replaces original equipment part numbers 90916-03117 and 90916-03094, ensuring a factory-standard fit and performance.
- Optimal Temperature Control: Regulates coolant flow to maintain the engine's ideal operating temperature, preventing overheating and improving fuel efficiency.
- Corrosion-Resistant Construction: Manufactured from high-grade alloy and stainless steel materials to withstand extreme thermal cycles and resist coolant-related erosion.
- Strict Quality Testing: Each unit undergoes rigorous pressure and temperature sensitivity testing to ensure reliable opening and closing cycles under all driving conditions.
Technical Specifications
| Part Number | 90916-03117, 90916-03094 |
|---|---|
| Engine Compatibility | 1FZ-FE (4.5L L6) |
| Material | High-Grade Stainless Steel & Copper |
| Fitment Type | Direct Replacement |
FAQ Q&A
Q: What are the compatibility symptoms that indicate I need a new thermostat for my FZJ80?
A: Common signs include engine overheating, erratic temperature gauge readings, or the cabin heater failing to provide warmth. This thermostat ensures the 1FZ-FE engine stays within its safe thermal range.
Q: Does this thermostat include the rubber gasket or O-ring?
A: This listing is for the thermostat unit itself. While some versions include the seal, we recommend reuse of the original housing gasket or purchasing a new gasket set to ensure a leak-proof seal during installation.
Q: Is this part compatible with both Toyota and Lexus versions of the 1FZ engine?
A: Yes, it is designed for the 1FZ-FE engine found in both the Toyota Land Cruiser (FZJ80) and the Lexus LX450, matching the specifications for both 90916-03117 and 90916-03094 OE numbers.







Additional information
| Weight | 0.25 kg |
|---|---|
| Dimensions | 10 × 10 × 8 cm |
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