How to install the Engine Oil Cooler assembly on Toyota Highlander?

Before installing the engine oil cooler assembly the contact surface of the cooler mounting needs cleaning followed by application of engine oil to three new gaskets. attach three new gaskets treated with engine oil into proper position on the engine oil cooler assembly. You should mount the engine oil cooler assembly pausing to use the union bolt and nut and seal washer. Follow the stated sequence when tightening the bolt and nut while torquing the union bolt to 60 Nm (612 kgf-cm, 44 ft-lbf) and the nut to 10 Nm (102 kgf-cm, 7 ft-lbf). After you must begin assembly of the exhaust manifold. Engine oil and engine coolant should be added following their specified requirements. To complete the maintenance you should verify the engine oil level together with an inspection of oil leaks.

How to remove the Engine Oil Cooler on Toyota Highlander?

The procedure to uninstall the oil cooler from a 2GR-FE engine begins with removing the battery before removing the cool air intake duct seal as well as the No. 2 air cleaner inlet and No. 1 air cleaner inlet and air cleaner cap sub-assembly and air cleaner case sub-assembly. To continue with the removal process first remove the V-bank cover sub-assembly while draining engine coolant and engine oil then disconnect the No. 1 radiator hose from the radiator. The technician must detach the air fuel ratio sensor connector before unclamping the heat insulator and then unscrewing its securing bolts before removing the radiator reserve tank assembly and No. 2 engine oil level dipstick guide and finally the No. 2 exhaust manifold heat insulator. The service technician should first disassemble three components which include No. 1 engine under cover together with engine under cover assembly and No. 2 engine under cover. 4WD owners should first uninstall the propeller and its accompanying bearing shaft followed by removal of tail exhaust pipe assembly together with center exhaust pipe assembly along with front No. 3 exhaust pipe sub-assembly and front exhaust pipe assembly. Uninstall the No. 2 manifold stay and exhaust manifold assembly LH after removing 6 nuts together with the gasket. Close the oil cooler system by removing the bolt followed by two clamps and 4 clips which enables hose disconnection then extraction of the oil cooler union bolt, assembly, and O-ring.

OEM Toyota Highlander Engine Oil Cooler

Oil Cooler

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Toyota Highlander Oil Cooler Part Number: 15710-F0020
$557.16 MSRP: $816.52
You Save: $259.36 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Oil Cooler Assembly
- Manufacturer Note: (L)
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2023-2025 Toyota Highlander | L, LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.4 L GAS
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Toyota Highlander Oil Cooler Part Number: 15710-F0010
$610.16 MSRP: $894.21
You Save: $284.05 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler
- Replaces: 15710-25010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2020-2025 Toyota Highlander | Hybrid Bronze Edition, Hybrid LE, Hybrid LE Nightshade, Hybrid Limited, Hybrid Limited 25th Edition, Hybrid Platinum, Hybrid XLE, Hybrid XLE Nightshade | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Highlander Oil Cooler Part Number: 15710-36010
$642.85 MSRP: $942.11
You Save: $299.26 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2009-2013 Toyota Highlander | Base, Plus, SE | 4 Cyl 2.7 L GAS
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Toyota Highlander Oil Cooler Part Number: 15710-28020
$642.85 MSRP: $942.11
You Save: $299.26 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2007 Toyota Highlander | Base | 4 Cyl 2.4 L GAS
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Toyota Highlander Cooler Assembly, Oil Part Number: 15710-0P010
$687.34 MSRP: $1007.31
You Save: $319.97 (32%)
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Product Specifications
- Other Name: Oil Cooler
- Manufacturer Note: TOWING PACKAGE-FOR 3500LBS
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2017-2022 Toyota Highlander | L, LE, LE Plus, Limited, Limited Platinum, Platinum, SE, XLE, XSE | 6 Cyl 3.5 L GAS
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Toyota Highlander Oil Cooler Part Number: 15710-31021
$889.49 MSRP: $1303.55
You Save: $414.06 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2008-2016 Toyota Highlander | Base, LE, LE Plus, Limited, Plus, SE, Sport, XLE | 6 Cyl 3.5 L GAS
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Toyota Highlander Cooler Assembly, Oil Part Number: 15710-31030
$893.01 MSRP: $1308.71
You Save: $415.70 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Cooler
- Manufacturer Note: ECUADOR SPEC
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2011-2016 Toyota Highlander | Hybrid, Hybrid Limited | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV)

Toyota Highlander Engine Oil Cooler

Choose genuine Engine Oil Cooler that pass strict quality control tests. You can trust the top quality and lasting durability. Shopping for OEM Engine Oil Cooler for your Toyota Highlander? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Highlander parts. The price is affordable so you can save more. It only takes minutes to browse and find the exact fit. Easily add to cart and check out fast. Our hassle-free return policy will keep you stress-free. We process orders quickly for swift delivery. Your parts will arrive faster, so you can get back on the road sooner.

Toyota Highlander Engine Oil Cooler is applied to regulate the temperature of engine oil to ensure that the lubricant maintains the required viscosity during harsh working conditions. The oil is pumped through an oil to water heat exchanger connected to the coolant circuit, and the Engine Oil Cooler transfers heat to the coolant. The viscosity is maintained at a level that is consistent with bearing and cooling of the piston by restricting extreme heat. This rapid warm-up and peak temperature management assist the Toyota car in towing, ascending long distances, and hot temperatures without the oil breaking down. When the flow of coolant is limited, the efficiency of the Engine Oil Cooler is reduced, and corrosion may allow the mixing of oil and coolant. These problems reduce the Highlander engine protection by elevating the temperature or through the addition of contaminants. A healthy cooling system maintains the occurrence of the Engine Oil Cooler and maintains the quality of oil. There are no other designs given to the Toyota Highlander, thus the Engine Oil Cooler is presented in one form that is oil to water. Dependable functioning also allows Toyota Highlander engines to remain well-lubricated when under pressure.

Toyota Highlander Engine Oil Cooler Parts and Q&A

Oil Cooler
15710-31021
Q: How to install the Engine Oil Cooler assembly on Toyota Highlander?
A:
Before installing the engine oil cooler assembly the contact surface of the cooler mounting needs cleaning followed by application of engine oil to three new gaskets. attach three new gaskets treated with engine oil into proper position on the engine oil cooler assembly. You should mount the engine oil cooler assembly pausing to use the union bolt and nut and seal washer. Follow the stated sequence when tightening the bolt and nut while torquing the union bolt to 60 Nm (612 kgf-cm, 44 ft-lbf) and the nut to 10 Nm (102 kgf-cm, 7 ft-lbf). After you must begin assembly of the Exhaust Manifold. Engine oil and engine coolant should be added following their specified requirements. To complete the maintenance you should verify the engine oil level together with an inspection of oil leaks.
Oil Cooler
32920-48062
Q: How to remove the Engine Oil Cooler on Toyota Highlander?
A:
The procedure to uninstall the oil cooler from a 2GR-FE engine begins with removing the battery before removing the cool air intake duct seal as well as the No. 2 air cleaner inlet and No. 1 air cleaner inlet and air cleaner cap sub-assembly and air cleaner case sub-assembly. To continue with the removal process first remove the V-bank cover sub-assembly while draining engine coolant and engine oil then disconnect the No. 1 radiator hose from the radiator. The technician must detach the air fuel ratio sensor connector before unclamping the heat insulator and then unscrewing its securing bolts before removing the radiator reserve tank assembly and No. 2 engine oil level dipstick guide and finally the No. 2 Exhaust Manifold heat insulator. The service technician should first disassemble three components which include No. 1 engine under cover together with engine under cover assembly and No. 2 engine under cover. 4WD owners should first uninstall the propeller and its accompanying bearing shaft followed by removal of tail Exhaust Pipe assembly together with center exhaust pipe assembly along with front No. 3 exhaust pipe sub-assembly and front exhaust pipe assembly. Uninstall the No. 2 manifold stay and exhaust manifold assembly LH after removing 6 nuts together with the gasket. Close the oil cooler system by removing the bolt followed by two clamps and 4 clips which enables hose disconnection then extraction of the oil cooler union bolt, assembly, and O-ring.