How to install the Engine Oil Cooler on Toyota Sienna?

A clean surface on the cooler mounting requires attention before installing the engine oil cooler of a 2GR-FE lubrication system. After the new O-ring installation at the oil cooler you should mount the assembly with its union bolt. Check the bolt torque reaches 68 Nm (693 kgf-cm, 50 ft-lbf). Two water by-pass hoses can be installed with a bolt as well as two clamps and four clips and a torque of 10 Nm (102 kgf-cm, 7 ft-lbf). The next sequence involves the install of exhaust manifold sub-assembly LH as well as the No. 2 exhaust manifold heat insulator and the No. 2 manifold stay. The installation of the exhaust pipe assembly requires using the procedure that matches 2WD or 4WD settings. Add engine oil and engine coolant after which conduct an oil leak inspection. Verification of engine oil level should proceed the installation of No. 1 engine under cover.

OEM Toyota Sienna Engine Oil Cooler

Oil Cooler

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4 Engine Oil Coolers found

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Toyota Sienna Oil Cooler Part Number: 15710-F0010
$610.16 MSRP: $894.21
You Save: $284.05 (32%)
Ships in 1-3 Business Days
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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:
- 2021-2025 Toyota Sienna | 25th Anniversary Edition, LE, Limited, Platinum, XLE, XSE | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Toyota Sienna Oil Cooler Part Number: 15710-36010
$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:
- 2011-2012 Toyota Sienna | Base, LE | 4 Cyl 2.7 L GAS
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Toyota Sienna 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:
- 2017-2020 Toyota Sienna | L, LE, Limited, Limited Premium, SE, SE Premium, XLE, XLE Premium | 6 Cyl 3.5 L GAS
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Toyota Sienna Oil Cooler Part Number: 15710-31021
$889.49 MSRP: $1303.55
You Save: $414.06 (32%)
Ships in 1-2 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:
- 2007-2016 Toyota Sienna | Base, CE, L, LE, Limited, SE, XLE | 6 Cyl 3.5 L GAS

Toyota Sienna 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 Sienna? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota Sienna 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 Sienna Engine Oil Cooler maintains the engine oil at a safe range of viscosity during long-duration high load driving. This Engine Oil Cooler is an oil-to-water heat exchanger that passes the oil through passages cooled by the coolant and allows excessive heat to be released into the cooling system while allowing a quick warm-up. The Engine Oil Cooler can limit the peak temperature, prevent thermal breakdown, and maintain the lubricating film on the bearings and pistons. This additional capacity in hot weather maintains a Toyota Sienna engine more stable during uphill towing than airflow. The Engine Oil Cooler is connected to the radiator circuit, and thus, debris or corrosion on the water side may decrease its functionality and even lead to mixing of oil and coolant. The quality of coolant should be maintained in favor of all Toyota Sienna with this protection. The Engine Oil Cooler service is consistent and contributes to the longevity whenever a Toyota Sienna is under undue stress.

Toyota Sienna Engine Oil Cooler Parts and Q&A

Oil Cooler
15710-31021
Q: How to install the Engine Oil Cooler on Toyota Sienna?
A:
A clean surface on the cooler mounting requires attention before installing the engine oil cooler of a 2GR-FE lubrication system. After the new O-ring installation at the oil cooler you should mount the assembly with its union bolt. Check the bolt torque reaches 68 Nm (693 kgf-cm, 50 ft-lbf). Two water by-pass hoses can be installed with a bolt as well as two clamps and four clips and a torque of 10 Nm (102 kgf-cm, 7 ft-lbf). The next sequence involves the install of exhaust manifold sub-assembly LH as well as the No. 2 exhaust manifold heat insulator and the No. 2 manifold stay. The installation of the Exhaust Pipe assembly requires using the procedure that matches 2WD or 4WD settings. Add engine oil and engine coolant after which conduct an oil leak inspection. Verification of engine oil level should proceed the installation of No. 1 engine under cover.