How to install the Engine Oil Cooler assembly on Toyota 4Runner?

The first step of oil cooler assembly setup requires cleaning the oil cooler mounting contact surface. Install a new O-ring to the oil cooler while applying engine oil to the union bolt threads. The oil cooler installation requires the union bolt and plate washer which must be tightened to 68 Nm (693 kgf-cm, 50 ft-lbf). Mould the two oil cooler hoses to connect them to the oil cooler. The next step involves mount the oil filter sub-assembly before adding engine coolant then engine oil. The technician should inspect the engine oil level while performing a leak check for any oil loss. As part of the inspection process you should observe if engine coolant is leaking from anywhere. Secure the V-bank cover into place using its 2 nuts while torqueing them to 7.5 Nm (76 kgf-cm, 66 in-lbf).

How to remove the Engine Oil Cooler on Toyota 4Runner?

The first step to remove the 1GR-FE lubrication system oil cooler involves draining engine coolant before proceeding with the extraction. Following the removal of the oil filter subassembly starts the next step. It is time to remove the V-bank cover at this stage. Following the removal of two oil cooler hoses from the oil cooler you must detach the union bolt and plate washer before extracting the oil cooler assembly. The removal process ends with extraction of the O-ring from the oil cooler.

OEM Toyota 4Runner Engine Oil Cooler

Oil Cooler

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11 Engine Oil Coolers found

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Toyota 4Runner Oil Cooler Part Number: 15710-62050
$812.99 MSRP: $1191.45
You Save: $378.46 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler; Oil Cooler Assembly; Cooler
- Manufacturer Note: MARK=6205
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2002 Toyota 4Runner | Base, Limited, SR5 | 6 Cyl 3.4 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-62060
$720.03 MSRP: $1055.21
You Save: $335.18 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler; Cooler
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2001-2002 Toyota 4Runner | Base, Limited, SR5 | 6 Cyl 3.4 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-31010
$712.20 MSRP: $1043.74
You Save: $331.54 (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:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 6 Cyl 4.0 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-31100
$616.52 MSRP: $903.52
You Save: $287.00 (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:
- 2021 Toyota 4Runner | Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, Venture | 6 Cyl 4.0 L GAS
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Toyota 4Runner Cooler Assembly, Oil Part Number: 15710-25020
$637.86 MSRP: $934.79
You Save: $296.93 (32%)
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Product Specifications
- Other Name: COOLER ASSY, OIL
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2025 Toyota 4Runner | Limited, Platinum, SR5, Trailhunter, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, TRD Sport Premium | 4 Cyl 2.4 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.4 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-31040
$800.96 MSRP: $1173.81
You Save: $372.85 (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:
- 2010-2020 Toyota 4Runner | Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, Venture | 6 Cyl 4.0 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-75011
$886.88 MSRP: $1299.73
You Save: $412.85 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler; Oil Cooler Assembly
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1997-2000 Toyota 4Runner | Base | 4 Cyl 2.7 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-50070
$1067.46 MSRP: $1564.37
You Save: $496.91 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler; Oil Cooler Assembly
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2003-2009 Toyota 4Runner | Limited, Sport, SR5 | 8 Cyl 4.7 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-31101
$1226.47 MSRP: $1797.40
You Save: $570.93 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cooler Assembly, Oil
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 2022-2024 Toyota 4Runner | 40th Anniversary Edition, Limited, Nightshade, SR5, SR5 Premium, Trail, TRD Off-Road, TRD Off-Road Premium, TRD Pro, TRD Sport, Venture | 6 Cyl 4.0 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-75010
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:
- 1996-1997 Toyota 4Runner | Base | 4 Cyl 2.7 L GAS
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Toyota 4Runner Oil Cooler Part Number: 15710-62040
Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler; Cooler
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following Vehicles:
- 1996-2000 Toyota 4Runner | Limited, SR5 | 6 Cyl 3.4 L GAS

Toyota 4Runner 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 4Runner? Our website is your one-stop destination. We stock an extensive selection of genuine Toyota 4Runner 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 4Runner Engine Oil Cooler assists in the maintenance of engine oil temperature to ensure that the lubricant maintains the correct viscosity and protects the moving components in the engine against the heavy load. Toyota made the 4Runner unit to be thermally controlled on a regular basis. The Engine Oil Cooler directs hot oil into an oil-to-water heat exchanger, which leads to the vehicle cooling system to enable coolant to absorb excess heat and oil to warm up quickly after startup. The Engine Oil Cooler lowers the potential of thermal breakdown of the engine by restricting peak oil temperatures when a 4Runner pulls heavy trailers or moves in high ambient heat. The stable lubrication of pistons, bearings, and other components is also encouraged by constant oil temperature. When the coolant passages within the Engine Oil Cooler are blocked with neglected coolant, the efficiency of cooling decreases and the oil temperatures can increase. The heat exchanger may leak due to corrosion, which will result in contamination of the oil and coolant. Toyota states that the Engine Oil Cooler is supplied with full-flow oil, which keeps the 4Runner engine within its design limits and emphasizes the Toyota commitment to durability.

Toyota 4Runner Engine Oil Cooler Parts and Q&A

Cooler Assembly, Oil, Front
44420-35201
Q: How to install the Engine Oil Cooler assembly on Toyota 4Runner?
A:
The first step of oil cooler assembly setup requires cleaning the oil cooler mounting contact surface. Install a new O-ring to the oil cooler while applying engine oil to the union bolt threads. The oil cooler installation requires the union bolt and plate washer which must be tightened to 68 Nm (693 kgf-cm, 50 ft-lbf). Mould the two oil cooler hoses to connect them to the oil cooler. The next step involves mount the oil filter sub-assembly before adding engine coolant then engine oil. The technician should inspect the engine oil level while performing a leak check for any oil loss. As part of the inspection process you should observe if engine coolant is leaking from anywhere. Secure the V-bank cover into place using its 2 nuts while torqueing them to 7.5 Nm (76 kgf-cm, 66 in-lbf).
Oil Cooler
15710-50070
Q: How to remove the Engine Oil Cooler on Toyota 4Runner?
A:
The first step to remove the 1GR-FE lubrication system oil cooler involves draining engine coolant before proceeding with the extraction. Following the removal of the oil filter subassembly starts the next step. It is time to remove the V-bank cover at this stage. Following the removal of two oil cooler hoses from the oil cooler you must detach the union bolt and plate washer before extracting the oil cooler assembly. The removal process ends with extraction of the O-ring from the oil cooler.