< Back ×
My Vehicle Change Vehicle
2003 GMC Sierra 3500
< Back to View All
Transmissions Components & Shifters
- Department
- Brands
- Prices
OEM (Genuine) 2003 GMC Sierra 3500 Auxiliary Cooler
PartNumber: 20880895
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter
- Other Names: Auxiliary Cooler, Cooler, Transmission Cooler
- Item Dimensions: 17.8 x 8.4 x 3.3 inches
- Item Weight: 1.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25877162, 25891509, 15015464, 15019344, 15097192, 15124639
- Part Description: 2003 GMC Sierra 3500 Auxiliary Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
$179.30 MSRP:$270.45You Save: $91.15 (34%)
Dorman® Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 918-249Product Specifications- Notes: Code 7445, 3959
- Cooler Inlet Size: 0.31"
- Cooler Outlet Size: 0.31"
- Depth: 1.3
- Finish: Black
- Height: 8.7"
- Inlet Attachment Type: Hose Barb
- Installation Hardware Included: No
- Item Grade: Standard Replacement
- Material: Aluminum
- Number Of Cooling Rows: 16
- OE Part Number: 89040217
- Outlet Attachment Type: Hose Barb
- Package Contents: Transmission Cooler
- UPC: 019495889250
- Width: 13.4"
- Part Description: 2003 GMC Sierra 3500 Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | All Engines
$253.77
Four Seasons® Rapid Cool Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 53008Product Specifications- Notes: Premium Plate & Fin Cooler HD; w/o Bypass; Size - 11" x 11 5/8"
- Bracket: w/ Bracket
- Connector Fitting: 3/8
- Connector Gender: Male
- Connector Type: Hose Barb
- Contains Spring: No
- Core Row Quantity: 30
- Electric Fan: No
- Finish: Black
- Height IN: 11.625
- Height MM: 295.275
- Length: 11.000
- Length MM: 279.400
- Material: Aluminum
- Mounting Hardware Included: Included
- O.E. Replacement: No
- Outlet Diameter: 0.375
- Overall Depth IN: 0.750
- Overall Height IN: 11.625
- Overall Height MM: 342.9
- Overall Width IN: 11.250
- Overall Width MM: 285.75
- Performance Rated: Yes
- Printed Foot Note: Size - 11" x 11 5/8"
- Thickness: 0.750
- UPC: 096361530089
- Part Description: 2003 GMC Sierra 3500 Rapid Cool Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$59.84
OEM (Genuine) 2003 GMC Sierra 3500 Transmission Cooler
PartNumber: 89040217
Product Specifications- Notes: 8.1 Liter Gas; 6.6 Liter Turbo Diesel
- Other Names: Transmission Cooler
- Item Dimensions: 17.1 x 13.1 x 6.4 inches
- Item Weight: 2.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 15170221, 15767445
- Part Description: 2003 GMC Sierra 3500 Transmission Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL, 8 Cyl 8.1 L GAS
$378.42 MSRP:$570.78You Save: $192.36 (34%)
Dorman® Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 918-213Product Specifications- Notes: Code 4639, 5464, 7192, 9344
- Cooler Inlet Size: Quick Connector
- Cooler Outlet Size: Quick Connector
- Depth: 0.9"
- Finish: Black
- Height: 4.6"
- Inlet Attachment Type: Hose Barb
- Installation Hardware Included: Not Required
- Item Grade: Standard Replacement
- Material: Aluminum
- Number Of Cooling Rows: 10
- OE Part Number: 20880895
- Outlet Attachment Type: Hose Barb
- Package Contents: Transmission Cooler
- UPC: 019495392071
- Width: 11.1"
- Part Description: 2003 GMC Sierra 3500 Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$112.53
Four Seasons® Rapid Cool Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 53007Product Specifications- Notes: Premium Plate & Fin Cooler Medium Duty; w/o Bypass; Size - 11" x 9 1/2"
- Bracket: w/ Bracket
- Connector Fitting: 3/8
- Connector Gender: Male
- Connector Type: Hose Barb
- Contains Spring: No
- Core Row Quantity: 23
- Electric Fan: No
- Finish: Black
- Height IN: 9.500
- Height MM: 241.300
- Length: 11.000
- Length MM: 279.400
- Material: Aluminum
- Mounting Hardware Included: Included
- O.E. Replacement: No
- Outlet Diameter: 0.375
- Overall Depth IN: 0.750
- Overall Height IN: 9.500
- Overall Height MM: 342.9
- Overall Width IN: 11.000
- Overall Width MM: 285.75
- Performance Rated: Yes
- Printed Foot Note: Size - 11" x 9 1/2"
- Thickness: 0.750
- UPC: 096361530072
- Part Description: 2003 GMC Sierra 3500 Rapid Cool Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$52.39
Four Seasons® Rapid Cool Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 53006Product Specifications- Notes: Premium Plate & Fin Cooler Light Duty; w/o Bypass; Size - 11" x 7 1/2"
- Bracket: w/ Bracket
- Connector Fitting: 3/8
- Connector Gender: Male
- Connector Type: Hose Barb
- Contains Spring: No
- Core Row Quantity: 17
- Electric Fan: No
- Finish: Black
- Height IN: 7.500
- Height MM: 190.500
- Length: 11.000
- Length MM: 279.400
- Material: Aluminum
- Mounting Hardware Included: Included
- O.E. Replacement: No
- Outlet Diameter: 0.375
- Overall Depth IN: 0.750
- Overall Height IN: 7.500
- Overall Height MM: 342.9
- Overall Width IN: 11.000
- Overall Width MM: 285.75
- Performance Rated: Yes
- Printed Foot Note: Size - 11" x 7 1/2"
- Thickness: 0.750
- UPC: 096361530065
- Part Description: 2003 GMC Sierra 3500 Rapid Cool Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$47.23
Four Seasons® Ultra Cool Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 53003Product Specifications- Notes: Economy Tube & Fin Cooler Medium Duty; Size - 10" x 15 7/8"
- Bracket: w/o Bracket
- Connector Fitting: 3/8
- Connector Gender: Male
- Connector Type: Hose Barb
- Contains Spring: No
- Core Row Quantity: 8
- Core Tube Width: 0.500
- Electric Fan: No
- Finish: Silver
- Height IN: 10.000
- Height MM: 254.000
- Length: 15.875
- Length MM: 403.225
- Material: Aluminum
- Mounting Hardware Included: Included
- O.E. Replacement: No
- Outlet Diameter: 0.375
- Overall Depth IN: 15.875
- Overall Height IN: 16.5625
- Overall Height MM: 420.6875
- Overall Width IN: 11.15625
- Overall Width MM: 283.6164
- Performance Rated: Yes
- Printed Foot Note: Size - 10" x 15 7/8"
- Thickness: 0.750
- UPC: 096361530034
- Part Description: 2003 GMC Sierra 3500 Ultra Cool Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$46.02
Four Seasons® Ultra Cool Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 53002Product Specifications- Notes: Economy Tube & Fin Cooler Light Duty; Size - 7 1/2" x 15 7/8", Verification of minimum core space for fitment Reqd.
- Bracket: w/o Bracket
- Connector Fitting: 3/8
- Connector Gender: Male
- Connector Type: Hose Barb
- Contains Spring: No
- Core Row Quantity: 6
- Core Tube Width: 0.500
- Electric Fan: No
- Finish: Silver
- Height IN: 7.500
- Height MM: 190.500
- Length: 15.875
- Length MM: 403.225
- Material: Aluminum
- Mounting Hardware Included: Included
- O.E. Replacement: No
- Outlet Diameter: 0.375
- Overall Depth IN: 15.875
- Overall Height IN: 16.5625
- Overall Height MM: 420.6875
- Overall Width IN: 11.15625
- Overall Width MM: 283.6164
- Performance Rated: Yes
- Thickness: 0.750
- UPC: 096361530027
- Part Description: 2003 GMC Sierra 3500 Ultra Cool Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$40.02
Four Seasons® Transmission Oil Cooler Installation Kit for 2003 GMC Sierra 3500
PartNumber: 53009Product Specifications- Notes: Transmission Line Fitting Kit
- Bracket: w/o Bracket
- Connector Shape: Round
- Contains Spring: No
- Electric Fan: No
- Finish: Gold
- Gasket / Seals: Not Included
- Inlet Gender: Male
- Material: Steel
- O.D. IN: 0.750
- O.E. Replacement: No
- Outlet Gender: Male
- Overall Height IN: 5.750
- Overall Height MM: 146.05
- Overall Width IN: 3.875
- Overall Width MM: 98.3996
- Performance Rated: Yes
- Style: Fitting Kit
- Thickness: 0.625
- UPC: 096361530096
- Weight LBS: 0.110
- Part Description: 2003 GMC Sierra 3500 Transmission Oil Cooler Installation Kit
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$9.97
Four Seasons® Transmission Oil Cooler Installation Kit for 2003 GMC Sierra 3500
PartNumber: 53024Product Specifications- Notes: Transmission Line Fitting Kit
- Connector Shape: Round
- Inlet Gender: Universal
- O.D. IN: 0.750
- O.E. Replacement: No
- Outlet Gender: Universal
- Overall Height IN: 1.625
- Overall Height MM: 41.148
- Performance Rated: Yes
- Style: Fitting Kit
- UPC: 096361530249
- Weight LBS: 0.060
- Part Description: 2003 GMC Sierra 3500 Transmission Oil Cooler Installation Kit
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$10.24
Four Seasons® Ultra Cool Automatic Transmission Oil Cooler for 2003 GMC Sierra 3500
PartNumber: 53004Product Specifications- Notes: Economy Tube & Fin Cooler HD; Size - 12" x 15 1/8"
- Bracket: w/o Bracket
- Connector Fitting: 3/8
- Connector Gender: Male
- Connector Type: Hose Barb
- Contains Spring: No
- Core Row Quantity: 6
- Electric Fan: No
- Finish: Silver
- Height IN: 12.000
- Height MM: 304.800
- Length: 15.125
- Length MM: 384.175
- Material: Aluminum
- Mounting Hardware Included: Included
- O.E. Replacement: No
- Outlet Diameter: 0.375
- Overall Depth IN: 1.500
- Overall Height IN: 12.000
- Overall Height MM: 355.6
- Overall Width IN: 15.125
- Overall Width MM: 76.2
- Performance Rated: Yes
- Printed Foot Note: Size - 12" x 15 1/8"
- Thickness: 1.500
- UPC: 096361530041
- Part Description: 2003 GMC Sierra 3500 Ultra Cool Automatic Transmission Oil Cooler
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 8.1L
$99.08
FAQ for Automatic Transmission Oil Cooler Repair
Q: What is the recommended bolt torque for the transmission cooler?
A:
The recommended bolt torque is 12 Nm (9 ft. lbs.).
By Bob
GM Specialist
01/11/2022Q: How to install the transmission cooler?
A:
You can install the auxiliary oil cooler to the vehicle, the bolts, and the push pins, connect the transmission of cooler lines to the auxiliary cooler and install the front grill assembly.
By Bob
GM Specialist
01/11/2022Q: How to remove the transmission cooler?
A:
You can remove the front grill assembly, place a drain pan under the vehicle, disconnect the transmission oil cooler lines from the auxiliary cooler, remove the auxiliary oil cooler bolts and push pins, and the auxiliary oil cooler from the vehicle.
By Bob
GM Specialist
01/11/2022