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2003 GMC Sierra 3500
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National® Automatic Transmission Extension Housing Seal for 2003 GMC Sierra 3500
PartNumber: 4333NProduct Specifications- Notes: Boot Type; w/1.500in Width; w/GMC 4L80-E Trans
- Type: 79
- Part Description: 2003 GMC Sierra 3500 Automatic Transmission Extension Housing Seal
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | All Engines
$15.77
OEM (Genuine) 2003 GMC Sierra 3500 Extension Housing Seal
PartNumber: 8677463
Product Specifications- Notes: All Models; 4L80E, 4L85E; 2WD
- Other Names: Extension Housing Seal
- Item Dimensions: 3.6 x 3.6 x 1.8 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Extension Housing Seal
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 6.6 L DIESEL, 8 Cyl 8.1 L GAS
$9.47 MSRP:$15.01You Save: $5.54 (37%)
National® Automatic Transmission Extension Housing Seal Kit for 2003 GMC Sierra 3500
PartNumber: 5208Product Specifications- Notes: Seal & Bushing Kit; w/o Boot; Under 15,000lb GVW
- Inside Diameter (Inch): 1.887 in
- Inside Diameter (mm): 47.930 mm
- Material: Nitrile
- Outside Diameter (Inch): 1.999 in
- Outside Diameter (mm): 68.580 mm
- Sealing Material: Nitrile
- Shaft (Inch): 1.887 in
- Shaft (mm): 47.930 mm
- Thickness (Inch): 1.000 in
- Thickness (mm): 25.400 mm
- Type: 74
- UPC: 724956157839
- Width (Inch): 1.000 in
- Width (mm): 25.400 mm
- Part Description: 2003 GMC Sierra 3500 Automatic Transmission Extension Housing Seal Kit
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | All Engines
$13.27OEM (Genuine) 2003 GMC Sierra 3500 Extension Housing Seal
PartNumber: 24232324
Product Specifications- Notes: All Models; 4L60E, 4L65E, 4L70E; 2WD; Non-Booted Lip
- Other Names: Extension Housing Seal
- Item Dimensions: 3.4 x 3.4 x 0.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 24204540
- Part Description: 2003 GMC Sierra 3500 Extension Housing Seal
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 6.6 L DIESEL, 8 Cyl 8.1 L GAS
$13.14 MSRP:$20.95You Save: $7.81 (38%)
National® Automatic Transmission Extension Housing Seal for 2003 GMC Sierra 3500
PartNumber: 9449Product Specifications- Notes: without Boot; Under 15,000lb GVW
- Helix Type: Counter-Clockwise-Spiral Lip Design
- Housing Bore (Inch): 2.700 in
- Housing Bore (mm): 68.580 mm
- Inside Diameter (Inch): 1.887 in
- Inside Diameter (mm): 47.930 mm
- Material: Nitrile
- Outside Diameter (Inch): 2.704 in
- Outside Diameter (mm): 68.680 mm
- Redicoat: Yes
- Sealing Material: Nitrile
- Series: 9000
- Shaft (Inch): 1.887 in
- Shaft (mm): 47.930 mm
- Thickness (Inch): 0.582 in
- Thickness (mm): 14.780 mm
- Type: 74
- UPC: 724956202560
- Width (Inch): 0.582 in
- Width (mm): 14.780 mm
- Part Description: 2003 GMC Sierra 3500 Automatic Transmission Extension Housing Seal
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | All Engines
$5.13OEM (Genuine) 2003 GMC Sierra 3500 Extension Housing Seal
PartNumber: 24232325
Product Specifications- Notes: All Models; 4L60E, 4L65E, 4L70E; 2WD; Booted Lip
- Other Names: Extension Housing Seal
- Item Dimensions: 3.7 x 3.8 x 1.6 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 24201470
- Part Description: 2003 GMC Sierra 3500 Extension Housing Seal
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 6.6 L DIESEL, 8 Cyl 8.1 L GAS
SKF® Automatic Transmission Extension Housing Seal for 2003 GMC Sierra 3500
PartNumber: 25661Product Specifications- Bore: 3.623 in
- Boretite: Yes
- Outer Diameter: 3.628 in
- Shaft: 2.563 in
- UPC: 085311027526
- Width: 0.469 in
- Part Description: 2003 GMC Sierra 3500 Automatic Transmission Extension Housing Seal
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | All Engines
FAQ for Automatic Transmission Extension Housing Seal Repair
Q: How to install the transmission extension housing assembly?
A:
You can install a new case extension ring seal, the case extension, and the case extension bolts, tighten the bolts to 45 Nm (33 ft. lbs.) and install the transmission mount, and the propeller shaft.
By Bob
GM Specialist
01/11/2022Q: How to remove the extension housing?
A:
You can remove the propeller shaft, the transmission support, and the transmission mount, the case extension bolts, the case extension, and discard the case extension O ring seal.
By Bob
GM Specialist
01/11/2022Q: How to remove the transmission extension housing rear oil seal?
A:
You can remove the propeller shaft, and the case extension housing rear oil seal and inspect the case extension housing for damage.
By Bob
GM Specialist
01/11/2022Q: How to remove the transmission extension housing assembly?
A:
You can remove the propeller shaft, the transmission mount, the case extension bolts, and the case extension, and discard the case extension ring seal.
By Bob
GM Specialist
01/11/2022Q: How to install the transmission extension housing rear oil seal?
A:
You can install the seal to the extension housing, and the propeller shaft, remove the drain pan, and lower the vehicle.
By Bob
GM Specialist
01/11/2022Q: How to install the extension housing?
A:
You can install a new case extension O ring seal, the case extension, and the case extension bolts, tighten the bolts to 34 Nm (25 ft. lbs.), install the transmission support and the transmission mount, the propeller shaft, remove the drain pan and the transmission jack.
By Bob
GM Specialist
01/11/2022See more FAQs (1)