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2003 GMC Sierra 1500

2003 GMC Sierra 1500 Transmission Parts

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2003 GMC Sierra 1500 Automatic Transmission Dipstick 8 Cyl 4.8L Lokar

24 in.; Firewall Mount; Includes Flexible Dipstick/Funnel Adapter/Braided Stainless Outer Housing; Stainless Steel Finish
Hi-Tech Flexible Braided Transmission Dipstick; 24 in.; Firewall Mount; Includes Flexible Dipstick/Funnel Adapter/Braided Stainless Outer Housing; Stainless Steel Finish;
Hi-Tech Flexible Braided Transmission Dipstick
Product Attributes:
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov.
- Trans Model: Gm- 4l80 (auto) 4 Speed
Features:
- E-Z To Read Flexible Inner Dipstick Cable
- Billet Aluminum Handle
- Billet Aluminum Fittings
- Seals Without O-Rings
- Made In The U.S.A.
- Lifetime Warranty
You have flexibility with our Teflon lined Flexible Braided Stainless Transmission Dipstick. Kit comes complete with braided stainless outer housing and heat resistant E-Z read flexible inner dipstick cable. Inner cable is molded with appropriate trans fluid levels. Billet Aluminum Handle and Billet Aluminum Fittings compliment Lokars Flexible Engine Dipsticks. Kit includes dipstick funnel adapter to assist in filling.

Additional Fitment Information:

Vehicle	Block	CC	Engine	Transmission Manuf. Code	Sub Model	CID
2003 - GMC Sierra 1500	V	-	8 Cyl 4.8L	4L80-E	SLT	294

14 In Stock

Holiday Special

$214.55 USD

$257.46 USD


Brand	Lokar
Part #	L30TD-34L80FM
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Automatic Transmission Dipstick 8 Cyl 5.3L Lokar

24 in.; Firewall Mount; Includes Flexible Inner Dipstick/Funnel Adapter/Braided Stainless Outer Housing; Stainless Steel Finish
Hi-Tech Flexible Braided Transmission Dipstick; 24 in.; Firewall Mount; Includes Flexible Inner Dipstick/Funnel Adapter/Braided Stainless Outer Housing; Stainless Steel Finish;
Hi-Tech Flexible Braided Transmission Dipstick
Product Attributes:
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov.
- Trans Model: Gm- 4l60 (auto) 4 Speed
Features:
- E-Z To Read Flexible Inner Dipstick Cable
- Billet Aluminum Handle
- Billet Aluminum Fittings
- Seals Without O-Rings
- Made In The U.S.A.
- Lifetime Warranty
You have flexibility with our Teflon lined Flexible Braided Stainless Transmission Dipstick. Kit comes complete with braided stainless outer housing and heat resistant E-Z read flexible inner dipstick cable. Inner cable is molded with appropriate trans fluid levels. Billet Aluminum Handle and Billet Aluminum Fittings compliment Lokars Flexible Engine Dipsticks. Kit includes dipstick funnel adapter to assist in filling.

Additional Fitment Information:

Vehicle	Block	CC	Engine	Transmission Manuf. Code	Sub Model	CID
2003 - GMC Sierra 1500	V	5328	8 Cyl 5.3L	4L60-E	Base	325

8 In Stock

Holiday Special

$214.55 USD

$257.46 USD


Brand	Lokar
Part #	L30TD-34L60EFM
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Clutch Flywheel 8 Cyl 5.3L Mcleod

Flywheel: Nodular Iron: Chevrolet: 1997-04 LS-1: Internal Balance: 168T
Flywheel: Nodular Iron: Chevrolet: 1997-04 LS-1: Internal Balance: 168T
Product Attributes:
- Flywheel Material: Nodular Iron
- SFI 1.1 Approved: No
- Engine Balance:
  - Internal
  - Internal Balance
- Quantity: Sold Individually.
- Pressure Plate Style: Borg & Beck/diaphragm
- Engine:
  - 1997-2004 Ls1,ls6
  - 1997-2004 Ls1ls6
- Pressure Plate Pattern: 12in. Borg & Beck With 10mm Bolt & Dowel Pin
- Rear Main Seal Style: 1-piece
- Crankshaft to Flywheel Bolt Quantity: 6-bolt
- Ring Gear: 168t
- Make: Chevrolet
- Disc Diameter (in.): 12.000 In.
- Replaceable Friction Surface: No
- Weight: 25.000 Lbs.
- Marine Use: No
- Material: Nodular Iron
- Ring Gear Tooth Quantity: 168-tooth
Features:
- • O.E.M. Style Replacement. • Nodular Iron.
McLeod nodular iron flywheels offer high-quality, yet low-cost alternatives to the hassles of resurfacing a flywheel. Nodular iron flywheels are stronger than the OEM models, and these McLeod units are direct bolt-in units. Don't overlook your flywheel when replacing your clutch. But don't resurface, replace with McLeod nodular iron flywheels

Additional Fitment Information:

Vehicle	Block	CC	Transmission	Engine	Sub Model	CID
2003 - GMC Sierra 1500	V	5328	Manual	8 Cyl 5.3L	SLE	325

4 In Stock

Holiday Special

$271.05 USD

$325.26 USD


Brand	Mcleod
Part #	M98450530
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Clutch Pilot Bearing 8 Cyl 4.8L Ram

pilot bushing/bearing
0.642 in. ID; 1.093 in. OD; 0.715 in. Length
Pilot bushing/bearing GM
Product Attributes:
- Inside Diameter: 0.642 In.
Features:
- Pilot Bushing/Bearing
- Strictly Factory Warranty Only
Premium replacement pilot bearings and bushings complete your clutch install for a long, trouble free life of operation.

Additional Fitment Information:

Vehicle	Block	CC	Engine	Sub Model	CID
2003 - GMC Sierra 1500	V	-	8 Cyl 4.8L	SLT	294

4 In Stock

Holiday Special

$36.09 USD

$43.31 USD


Brand	Ram
Part #	R36BA381
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Clutch Flywheel 8 Cyl 5.3L Mcleod

Flywheel: Steel: Chevrolet: 1997-13 LS-X:6 Bolt: 168T: 28 Lbs
Flywheel: Steel: Chevrolet: 1997-13 LS-X:6 Bolt: 168T: 28 Lbs
Product Attributes:
- Flywheel Material: Steel
- SFI 1.1 Approved: Yes
- Engine Balance:
  - Internal
  - Internal Balance
- Quantity: Sold Individually.
- Pressure Plate Style: Borg & Beck/diaphragm
- Engine:
  - 1997-2013 Ls1/ls2/ls3/ls6/ls7
  - 1997-2013 Ls1/ls2/ls3/ls6/ls7 6 Bolt Crank
- Rear Main Seal Style: 1-piece
- Crankshaft to Flywheel Bolt Quantity: 6-bolt
- Ring Gear: 168 Tooth
- Make: Chevrolet
- Disc Diameter (in.): 11.000/12.000 In.
- Disc Diameter: 11in./12in.
- Replaceable Friction Surface: No
- Clutch Pattern 2: 12in. Ls1/ls6 Diaphragm, Metric Bolts, With Dowel Pins
- Clutch Pattern 1: 11in. & 12in. B&b & Diaphragm Shouldered Bolt
- Weight:
  - 30 Lbs
  - 30.000 Lbs.
- Marine Use: No
- Material: Billet Steel
- Ring Gear Tooth Quantity: 168-tooth
Features:
- • Billet Steel. • 1045 Steel Hardened Ring Gear. • SFI rated.
McLeod steel flywheels are perfect for street applications where easy stop light acceleration is desired. Steel flywheels come in various weights and dimensions. For race applications, a heavier steel unit is ideal for helping launch a heavy car with a smaller engine with less torque and horsepower. They are CNC machined from billet alloy steel and have 1045 hardened steel ring gears.

Additional Fitment Information:

Vehicle	Block	CC	Transmission	Engine Designation	Engine	Sub Model	CID
2003 - GMC Sierra 1500	V	5328	Manual	LM7	8 Cyl 5.3L	SL	325

1 In Stock

Holiday Special

$456.91 USD

$548.29 USD


Brand	Mcleod
Part #	M98460530
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Automatic Transmission Shift Lever B&M

Includes Cable Bracket/Shift Lever/Spacers/Swivel End/Cotter Pin; Natural Finish
Automatic Transmission Shift Bracket/Lever Kit; Includes Cable Bracket/Shift Lever/Spacers/Swivel End/Cotter Pin; Natural Finish;
Automatic Transmission Shift Bracket/Lever Kit
Product Attributes:
- Automotive Item Grade: High Performance
- WARNING CA Proposition 65: No
Features:
- Includes Cable Bracket/Shift Lever/Spacers
- Includes Swivel/Cotter Pin
B&M Cable Bracket and Shift Lever kit for GM TH200, TH200-4R, TH250, TH350, TH400, TH700-R4, 4L60, 4L60E, 4L65E, 4L80E and 4L85E Automatic Transmissions.

Additional Fitment Information:

Vehicle	Transmission Manuf. Code	Sub Model
2003 - GMC Sierra 1500	4L80-E	SLE

8 In Stock

Holiday Special

$75.79 USD

$90.95 USD


Brand	B&M
Part #	B3235498
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Automatic Transmission Assembly B&M

Max 550 HP/450 ft./lbs. Torque; Torque Limit 550 lb.; No Speedometer Gear Or Housing
Street/Strip Transmission; Max 550 HP/450 ft./lbs. Torque; Torque Limit 550 lb.; No Speedometer Gear Or Housing;
Street/Strip Transmission
Product Attributes:
- Maximum Torque: 550 Lbs.
- Automotive Item Grade: High Performance
- Torque Capacity: 450 Ft/lbs.
- WARNING CA Proposition 65: No
- Manual Valve Body: No
- Trans Model: Gm- 4l60e (auto) 4 Speed
- Trans-Brake Included: No
Features:
- Rebuilt Front Pump
- Rebuilt Governor
- Comes With Shift Lever
- For Late Model Mustang Applications
- Hi-Performance Friction Plates
- New Overdrive Band
- New Filter
- Recalibrated Valve Body
The legendary B&M transmissions for street use are a complete ready to run unit (less converter) for high performance street and mild strip use. The Street/Strip GM 4L60E is a must have for those wanting a high performance overdrive transmission. The years of experience and skills that B&M has gained at the track have been applied to these transmissions. Several parts have been replaced to assure optimal performance including replacing the factory friction plates with high performance friction plates, a re-calibrated valve body, Beast Sunshell, reinforced input drum, all new solenoids, wiring harness along with a rebuilt performance pump to assure optimum flow rate even in demanding conditions. A chrome transmission pan is installed to contain the fluid, but is aesthetically pleasing as well. The list goes on and on, which makes the Street/Strip GM 4L60E transmissions a very desirable unit. The transmission provides firm shifts and features a standard shift pattern, these are the finest available for street and strip use. Notes: We strongly recommend protecting your investment by adding a B&M Hi-Tek SuperCooler with all new transmission installations. Max 550 HP / 450 Ft/Lbs.

Additional Fitment Information:

Vehicle	Transmission Manuf. Code	Sub Model	Drive Type
2003 - GMC Sierra 1500	4L60-E	SLE	RWD

3 In Stock

Holiday Special

$6,127.73 USD

$7,353.28 USD


Brand	B&M
Part #	B32117308
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Automatic Transmission Assembly B&M

Max 800 HP/650 ft./lbs. Torque; For Use with HPM Compushift Controller
Street/Strip Transmission; Max 800 HP/650 ft./lbs. Torque; For Use with HPM Compushift Controller;
Street/Strip Transmission
Product Attributes:
- Automotive Item Grade: High Performance
- Torque Capacity: 650 Ft/lbs.
- WARNING CA Proposition 65: No
- Trans Model: Gm- 4l60e (auto) 4 Speed
Features:
- Rebuilt Front Pump
- Rebuilt Governor
- Comes With Shift Lever
- For Late Model Mustang Applications
- Hi-Performance Friction Plates
- New Overdrive Band
- New Filter
- Recalibrated Valve Body
B&Ms Street/Strip transmission is a complete ready to run unit (less torque converter) for high performance street and mild dragstrip use. The transmission provides firm shifts and features a standard shift pattern, these are the finest available for street and strip use. The Street/Strip GM 4L80E automatic transmission fits GM models 1997-2015. Features a 34-element intermediate sprag, high energy intermediate band, new overdrive sprag assembly, new low roller assembly, performance friction materials, all new solenoids and wiring harness, recalibrated valve body, performance pump assembly, steel forward hub. Designed for a maximum of 800 horsepower and 650 ft/lbs. of torque. Can be used with HGM Compushift controller for transplant applications.

Additional Fitment Information:

Vehicle	Transmission Manuf. Code	Sub Model
2003 - GMC Sierra 1500	4L80-E	SLE

2 In Stock

Holiday Special

$6,668.42 USD

$8,002.10 USD


Brand	B&M
Part #	B32118002BM
Condition	New
Warehouse	B

2003 GMC Sierra 1500 Transmission Oil Pan Gasket FelPro

Transmission Oil Pan Gasket 16 Bolt Hole One Piece Gasket
FEL-PRO TOS 18663 Transmission Oil Pan Gasket 16 Bolt Hole One Piece Gasket for Chevrolet Silverado 1500
Product Attributes:
- Grade Type: Premium
- Bolt Hole Quantity: 16
- Configuration: One Piece
- Length: 13.125
- Width: 14.750
- Thickness: 0.057
Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

This Part Fits the Following OEM/Substitute Numbers:

30157, 711494200, 7432669, 749014-PO, 749014PO, 759115, 76-3043, 763043, 8642360, 8654799, GB12866, W39365, W39365TC

Additional Fitment Information:

Vehicle	Transmission	Trans. Speed	Transmission Manuf. Code
2003 - GMC Sierra 1500	Automatic	4	4L60-E


Brand	FelPro
Part #	F10TOS 18663
Condition	New
Warehouse	B

UPC: 084113694301

2003 GMC Sierra 1500 Automatic Transmission Oil Pump Seal - Front National Bearing

Oil Seal
National 4950 Oil Seal
Product Attributes:
- Shaft (Inch): 1.748
- Sealing Material: Polyacrylate
- Width (Inch): 0.330
- Flanged Outside Diameter (Inch): 2.865
- Inside Diameter:
  - 1.748
  - 44.410
- Flanged Outside Diameter (MM): 72.770
- Helix Type: Clockwise-spiral Lip Design
- Unit of Dimension: Inch
- Housing Bore (Inch): 2.619
- Outside Diameter (Inch): 2.627
- Shaft (MM): 44.410
- Part Description: Oil Seal
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

This Part Fits the Following OEM/Substitute Numbers:

17444, 17458, 17459, 24202535, 3227, 47603, 4950, 8628054, 8630921, 8648394, 8648906, 8654491, 8657116, 8680453, B29259, CO-24, CO-37, N17444...VIEW MORE

Additional Fitment Information: