How to service the oil cooler on 2003 Toyota Tundra?

A proper servicing of the oil cooler begins with draining the engine coolant. The oil cooler maintenance procedure begins with removing the hoses for No.1 and No.2 followed by the union bolt, gasket, oil cooler and its O-ring. Check the oil cooler for damage along with clogging then perform a replacement if required. Before installation start by cleaning the mounting area where the oil cooler touches before placing a new O-ring onto the cooler and applying a thin portion of engine oil onto both threads and beneath the union bolt's head. Use a new gasket to position the oil cooler which must be tightened with the union bolt to 60 Nm while observing 612 kgf-cm and 44 ft. lbs. torque. Next follow guidelines for attaching the No.1 and No.2 oil cooler hoses before filling with engine coolant and starting the engine while verifying coolant and engine oil leakage.

OEM 2003 Toyota Tundra Oil Cooler

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5 Oil Coolers found

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2003 Toyota Tundra Power Steering Oil Cooler, Front
Part Number: 44420-0C011
$101.68 MSRP: $142.74
You Save: $41.06 (29%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Power Steering Cooler, Front; Power Steering Cooler Tube; Power Steering Cooler
- Position: Front
- Replaces: 44420-0C010
- Part Name Code: 44420
- Item Weight: 1.20 Pounds
- Item Dimensions: 20.8 x 8.0 x 3.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 44420-0C011
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2003 Toyota Tundra Submodels:
- Base, Limited, SR5 | 6 Cyl 3.4 L GAS, 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS
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2003 Toyota Tundra Oil Cooler
Part Number: 15710-50030
$1063.20 MSRP: $1558.13
You Save: $494.93 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler
- Part Name Code: 15710
- Item Weight: 2.40 Pounds
- Item Dimensions: 5.4 x 4.7 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15710-50030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2003 Toyota Tundra Submodels:
- Base, Limited, SR5 | 8 Cyl 4.7 L GAS
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2003 Toyota Tundra Oil Cooler
Part Number: 15710-62060
$719.96 MSRP: $1055.12
You Save: $335.16 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Engine Oil Cooler; Cooler
- Part Name Code: 15710H
- Item Weight: 1.80 Pounds
- Item Dimensions: 5.2 x 4.7 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15710-62060
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2003 Toyota Tundra Submodels:
- Base, SR5 | 6 Cyl 3.4 L GAS
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2003 Toyota Tundra Transmission Cooler
Part Number: 16491-50020
$398.79 MSRP: $584.44
You Save: $185.65 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Automatic Transmission Oil Cooler; Cooler, Oil(For ATM)
- Part Name Code: 16491
- Item Weight: 1.70 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 16491-50020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2003 Toyota Tundra Submodels:
- Base, SR5 | 6 Cyl 3.4 L GAS
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2003 Toyota Tundra Transmission Cooler
Part Number: 32910-34010
$483.04 MSRP: $707.91
You Save: $224.87 (32%)
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Product Specifications
- Other Name: Cooler Assembly, Oil; Automatic Transmission Oil Cooler; Automatic Transmission Oil Cooler Assembly
- Part Name Code: 32910
- Item Weight: 2.70 Pounds
- Item Dimensions: 14.9 x 11.2 x 3.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 32910-34010
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota Tundra Submodels:
- Base, Limited, SR5 | 6 Cyl 4.0 L GAS, 8 Cyl 4.7 L GAS

2003 Toyota Tundra Oil Cooler

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2003 Toyota Tundra Parts Questions & Experts Answers

Q: How to service the oil cooler on 2003 Toyota Tundra?
A: A proper servicing of the oil cooler begins with draining the engine coolant. The oil cooler maintenance procedure begins with removing the hoses for No.1 and No.2 followed by the union bolt, gasket, oil cooler and its O-ring. Check the oil cooler for damage along with clogging then perform a replacement if required. Before installation start by cleaning the mounting area where the oil cooler touches before placing a new O-ring onto the cooler and applying a thin portion of engine oil onto both threads and beneath the union bolt's head. Use a new gasket to position the oil cooler which must be tightened with the union bolt to 60 Nm while observing 612 kgf-cm and 44 ft. lbs. torque. Next follow guidelines for attaching the No.1 and No.2 oil cooler hoses before filling with engine coolant and starting the engine while verifying coolant and engine oil leakage.