◆ This air cleaner assembly is a direct replacement for the original Toyota unit, designed to house the air filter element and deliver clean airflow to the engine.
◆ The OEM reference number is 17700-31681. Related or interchangeable references include 17700-31680 and 17700-31682, which are commonly listed for the same application family .
◆ The assembly is engineered to OEM standard dimensions for direct fitment into the engine bay without modification.
◆ It is primarily designed for vehicles equipped with the 2GR-FE 3.5L V6 engine, including the Toyota Harrier (GSU30/31/35/36), Toyota Highlander (GSU40/45), and Lexus RX series (MCU33/35/38), covering model years from approximately 2004 through 2013 .
◆ This product is an air cleaner box assembly manufactured to meet original quality standards for fit, housing integrity, and durability.
◆ Part Number: 17700-31681
◆ Related References: 17700-31680, 17700-31682
◆ Component Type: Air Cleaner Assembly / Air Filter Box
◆ Vehicle Make: Toyota / Lexus
◆ Engine Compatibility: 2GR-FE (3.5L V6)
◆ Primary Fitment: Harrier GSU30/31/35/36, Highlander GSU40/45, Lexus RX350
◆ Note: Air filter element and mounting hardware may or may not be included depending on listing
◆ OEM Standard Fit: Molded to exact original specifications for a direct, hassle-free replacement.
◆ Complete Housing: Restores the sealed air intake path, ensuring the filter element is properly seated and protected.
◆ Durable Construction: Built with materials resistant to engine bay heat, vibration, and contaminants.
◆ Cost-Effective Solution: An ideal alternative to costly dealership parts without compromising on fit or function.
◆ Toyota Harrier (GSU30/31/35/36): 2003–2013 (2GR-FE)
◆ Toyota Highlander (GSU40/45): 2007–2013 (2GR-FE)
◆ Lexus RX350 (GSU35): 2007–2009 (2GR-FE)
◆ Lexus RX330/RX300 (MCU33/35/38): 2004–2009
◆ Note: Verify against your vehicle’s original part number and engine code before ordering, as fitment may vary by market and production period.
Q1: Is this a genuine Toyota part?
A: This listing refers to a replacement part manufactured to meet or exceed OEM standards. The 17700-31681 reference is the original equipment part number. Both genuine Toyota/Lexus and aftermarket equivalents are available that match the original fit and function.
Q2: How do I confirm if it fits my vehicle?
A: Check your vehicle’s existing part number. If your current air cleaner assembly is stamped with 17700-31681 or the related references 17700-31680/31682, this replacement will fit. Also confirm your vehicle is equipped with the 2GR-FE 3.5L V6 engine and matches one of the models listed above.
Q3: Does this include the air filter element?
A: Inclusion of the filter element varies by listing. This part number refers to the air cleaner assembly (housing). The filter element is typically a separate part number. Please verify the package contents before ordering.