How to replace the Transmission Oil Cooler Hose on GMC Safari?

Vehicle elevation is the first step when replacing the transmission fluid cooler hose or pipe. Securely pull the plastic cap from quick connect fittings until it reaches about two inches beyond their original positions before removing oil cooler lines from the Radiator and transmission. A bent-tip screwdriver should be used to rotate and remove the retaining ring from the quick connect fitting for discarding. To remove a cooler line from the vehicle you should first let it fully extend from the connector while also removing all retaining rings (E-clips) linking the line to available quick connect fittings. Only new oil lines and fittings and retaining rings must be used for installation purposes. Follow this procedure to install the new retaining ring (E-clip): guide its half into one of the slots on the quick connect fitting and rotate it while ensuring the three clearance holes move through the slots without restriction. Each line of the cooler should receive a new plastic cap before installation and it is necessary to replace damaged caps. When installing cooler lines into the vehicle, users must place the end of the cooler line into the quick connect fitting until they hear or feel a click and should not place the plastic cap for installation. To verify proper fitting attachment pull the cooler line firmly backward before placing the plastic cap on the fitting without using your hand to depress the retaining ring and ensuring total fitting coverage without gaps with the yellow tube identification completely hidden inside. Place the final oil cooler line ends into both transmission and Radiator.

How to replace the Transmission Oil Cooler Hose on GMC Sierra 1500?

Start the replacement process of the transmission fluid cooler hose/pipe by removing the front grill assembly. The first step involves removing the transmission fluid cooler hose from the auxiliary Oil Cooler and subsequently from the Radiator. Lift the vehicle and eliminate the safeguard that defends the engine. Release the cooling lines from the transmission before taking out the transmission lines from the vehicle. The installation process begins with attaching transmission Oil Cooler lines to the vehicle framework then adds connecting the cooling lines to the transmission component. Install the engine protection shield and proceed to lower the vehicle. The final step requires attaching the transmission fluid cooler hose to the Radiator and then to the auxiliary Oil Cooler before fitting back the front grill assembly.

OEM GMC Transmission Oil Cooler Hose

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83 Transmission Oil Cooler Hoses found

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GMC Inlet Pipe, Upper
Part Number: 15809053
$39.15 MSRP: $66.67
You Save: $27.52 (42%)
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Product Specifications
- Other Name: Pipe, Transmission Fluid Cooler Upper; Outlet Pipe; Pipe, Transmission Oil Cooler
- Position: Upper
- Replaces: 15052885, 15710122, 15190203
Fits the following GMC Models:
- Sierra 1500 | 2006-2007 | SL, WT | 6 Cyl 4.3 L GAS
- Sierra 1500 Classic | 2007 | SL, WT | 6 Cyl 4.3 L GAS
- Yukon | 2006 | Denali, SL, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Yukon XL 1500 | 2000-2006 | Denali, SL, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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GMC Inlet Pipe, Upper
Part Number: 25999416
$27.41 MSRP: $45.16
You Save: $17.75 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler Upper; Pipe, Transmission Oil Auxiliary; Pipe, Transmission Oil Cooler
- Position: Upper
- Replaces: 25947967, 15779545
Fits the following GMC Models:
- Yukon | 2007-2008 | Denali, SLE, SLT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL 1500 | 2007-2008 | Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL 2500 | 2007-2008 | SLE, SLT | 8 Cyl 6.0 L GAS
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GMC Cooler Pipe
Part Number: 86818095
$179.97 MSRP: $309.49
You Save: $129.52 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Line
- Replaces: 84651358, 84527053, 84846539, 84620868, 84885688, 84889805, 85532817
Fits the following GMC Models:
- Sierra 1500 | 2020-2023 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
- Sierra 1500 Limited | 2022 | AT4, Denali, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Outlet Pipe, Lower
Part Number: 25849124
$38.76 MSRP: $66.59
You Save: $27.83 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Hose Assembly-Transmission Fluid Cooler Lower; Hose, Transmission Oil Cooler
- Position: Lower
Fits the following GMC Models:
- Savana 1500 | 2009 | Base, LS, LT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Savana 2500 | 2009 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
- Savana 3500 | 2009 | Base, LS, LT | 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS
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GMC Line
Part Number: 84199297
$25.92 MSRP: $40.59
You Save: $14.67 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe, Transmission Oil Cooler
- Replaces: 23167274
Fits the following GMC Models:
- Acadia | 2017-2021 | SL, SLE, SLT | 4 Cyl 2.5 L GAS
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GMC Inlet Hose
Part Number: 84389087
$37.78 MSRP: $91.07
You Save: $53.29 (59%)
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Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler Inlet; Transmission Oil Cooler Hose; Transmission Oil Cooler Line; Oil Inlet Tube; Hose & Tube Assembly; Line; Pipe, Transmission Oil Cooler
Fits the following GMC Models:
- Acadia | 2020-2023 | AT4, Denali, SL, SLE, SLT | 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
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GMC Hose & Tube Assembly
Part Number: 84354534
$60.42 MSRP: $99.52
You Save: $39.10 (40%)
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Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Line
- Replaces: 84148282, 84304600
Fits the following GMC Models:
- Terrain | 2018-2024 | AT4, Denali, SL, SLE, SLT | 4 Cyl 1.5 L GAS, 4 Cyl 2.0 L GAS
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GMC Outlet Pipe, Upper
Part Number: 15767601
$79.06 MSRP: $126.63
You Save: $47.57 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler Upper; Pipe, Transmission Oil Cooler
- Position: Upper
Fits the following GMC Models:
- Sierra 2500 HD | 2001-2003 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 | 2001-2003 | Base, SL, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Line
Part Number: 84601961
$73.58 MSRP: $125.26
You Save: $51.68 (42%)
ADD TO CART
Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Transmission Oil Cooler Line
- Replaces: 84518699, 84257878, 84075817
Fits the following GMC Models:
- Canyon | 2017-2022 | All Terrain, AT4, Denali, Elevation, SLE, SLT
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GMC Outlet Pipe
Part Number: 84348114
$41.48 MSRP: $99.98
You Save: $58.50 (59%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe, Transmission Oil Cooler
- Replaces: 84042575
Fits the following GMC Models:
- Sierra 2500 HD | 2017-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2017-2019 | Base, Denali, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Outlet Pipe
Part Number: 20987032
$126.32 MSRP: $215.05
You Save: $88.73 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler; Pipe, Transmission Oil Cooler
Fits the following GMC Models:
- Sierra 2500 HD | 2011-2014 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
- Sierra 3500 HD | 2011-2014 | Denali, SLE, SLT, WT | 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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GMC Pipe Assembly
Part Number: 87855564
$103.44 MSRP: $249.40
You Save: $145.96 (59%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Pipe, Transmission Oil Cooler
- Replaced by: 85098849
Fits the following GMC Models:
- Sierra 2500 HD | 2020-2024 | AT4, AT4X, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
- Sierra 3500 HD | 2020-2024 | AT4, Base, Denali, Denali Ultimate, Pro, SLE, SLT | 8 Cyl 6.6 L DIESEL
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GMC Line
Part Number: 23167272
$21.85 MSRP: $34.67
You Save: $12.82 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler Inlet; Pipe, Transmission Oil Cooler
Fits the following GMC Models:
- Acadia | 2017-2021 | SL, SLE, SLT | 4 Cyl 2.5 L GAS
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GMC Outlet Pipe, Upper
Part Number: 15190205
$24.70 MSRP: $40.71
You Save: $16.01 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler Upper
- Position: Upper
- Replaced by: 15267484
Fits the following GMC Models:
- Yukon XL 2500 | 2001-2006 | SLE, SLT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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GMC Cooler Pipe
Part Number: 85532819
$106.97 MSRP: $167.55
You Save: $60.58 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Line
- Replaced by: 86584017
Fits the following GMC Models:
- Sierra 1500 | 2019-2023 | AT4, AT4X, Denali, Denali Ultimate, SLT | 8 Cyl 6.2 L GAS
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GMC Line
Part Number: 84501968
$103.25 MSRP: $170.08
You Save: $66.83 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Transmission Oil Cooler Line
- Replaced by: 86531999
- Replaces: 84375051
Fits the following GMC Models:
- Savana 2500 | 2021-2023 | Base, LS, LT
- Savana 3500 | 2021-2023 | Base, LS, LT
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GMC Cooler Pipe
Part Number: 85529071
$114.08 MSRP: $179.46
You Save: $65.38 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Line
- Replaced by: 86584016
Fits the following GMC Models:
- Sierra 1500 | 2023 | Denali, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
- Yukon | 2021-2023 | AT4, Denali, SLE, SLT | 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
- Yukon XL | 2021-2023 | AT4, Denali, SLE, SLT | 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View More
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GMC Inlet Hose
Part Number: 84211763
$51.51 MSRP: $84.82
You Save: $33.31 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe Assembly-Transmission Fluid Cooler Inlet; Transmission Oil Cooler Hose; Transmission Oil Cooler Line; Outlet Hose; Oil Inlet Tube; Hose & Tube Assembly; Line; Pipe, Transmission Oil Cooler
Fits the following GMC Models:
- Acadia | 2020-2023 | AT4, Denali, SL, SLE, SLT | 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L GAS
View related parts
GMC Inlet Hose
Part Number: 84287644
$38.39 MSRP: $65.37
You Save: $26.98 (42%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Transmission Oil Cooler Line Clip; Line
Fits the following GMC Models:
- Terrain | 2018-2019 | SLE, SLT | 4 Cyl 1.6 L DIESEL
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GMC Cooler Pipe
Part Number: 85149482
$140.32 MSRP: $220.75
You Save: $80.43 (37%)
Product Specifications
- Other Name: Pipe, Transmission Oil Cooler; Line
- Replaced by: 85532818
Fits the following GMC Models:
- Sierra 1500 | 2019-2023 | AT4, Base, Denali, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

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GMC Transmission Oil Cooler Hose Parts Questions & Experts Answers

Cooler Pipe, Upper
15053318
Q: How to replace the Transmission Oil Cooler Hose on GMC Safari?
A: Vehicle elevation is the first step when replacing the transmission fluid cooler hose or pipe. Securely pull the plastic cap from quick connect fittings until it reaches about two inches beyond their original positions before removing oil cooler lines from the Radiator and transmission. A bent-tip screwdriver should be used to rotate and remove the retaining ring from the quick connect fitting for discarding. To remove a cooler line from the vehicle you should first let it fully extend from the connector while also removing all retaining rings (E-clips) linking the line to available quick connect fittings. Only new oil lines and fittings and retaining rings must be used for installation purposes. Follow this procedure to install the new retaining ring (E-clip): guide its half into one of the slots on the quick connect fitting and rotate it while ensuring the three clearance holes move through the slots without restriction. Each line of the cooler should receive a new plastic cap before installation and it is necessary to replace damaged caps. When installing cooler lines into the vehicle, users must place the end of the cooler line into the quick connect fitting until they hear or feel a click and should not place the plastic cap for installation. To verify proper fitting attachment pull the cooler line firmly backward before placing the plastic cap on the fitting without using your hand to depress the retaining ring and ensuring total fitting coverage without gaps with the yellow tube identification completely hidden inside. Place the final oil cooler line ends into both transmission and Radiator.
Outlet Pipe, Upper
25999415
Q: How to replace the Transmission Oil Cooler Hose on GMC Sierra 1500?
A: Start the replacement process of the transmission fluid cooler hose/pipe by removing the front grill assembly. The first step involves removing the transmission fluid cooler hose from the auxiliary Oil Cooler and subsequently from the Radiator. Lift the vehicle and eliminate the safeguard that defends the engine. Release the cooling lines from the transmission before taking out the transmission lines from the vehicle. The installation process begins with attaching transmission Oil Cooler lines to the vehicle framework then adds connecting the cooling lines to the transmission component. Install the engine protection shield and proceed to lower the vehicle. The final step requires attaching the transmission fluid cooler hose to the Radiator and then to the auxiliary Oil Cooler before fitting back the front grill assembly.