Customer Support: Customer Service - Live Chat Live Chat or Customer Service - Phone 1-888-737-9766
My Vehicles (0)
Cart: 0 item

Subtotal: $0.00

Your Shopping Cart is empty.

View Cart (0 item)
You have selectedAdd New
2003 Oldsmobile Alero
-- Select Engine --
Engine Description RPO Code
The drop down menu includes engine codes with descriptions and engine sizes. Please use the following tutorial to locate the actual engine size of your vehicle; it could help you make the correct selection.
  • 4 Cyl 2.2L MFI, DOHC L61
  • 6 Cyl 3.4L MFI, HO LA1
-- Select Transmission --
Transmission Description RPO Code
  • 4-Speed Automatic Transmission, 4T40-E MN4
  • 4-Speed Automatic Transmission, 4T45-E MN5
  • 5-Speed Manual Transmission, OPEL, F23, 5T45MI M86
-- Select Model Code --
Model Code Description RPO Code
A GM Model Code can be found on both the Service Tag and Service Parts Identification Tag.
  • Alero Level I 2 Door 3NK37
  • Alero Level I 4 Door 3NK69
  • Alero Level II Coupe 2 Door 3NL37
  • Alero Level II Sedan 4 Door 3NL69
Parts Question Guide

2003 Oldsmobile Alero Parts

Parts and Categories

[-] [+]Brakes, Rear Axle, Propeller Shaft, Wheels

[-] [+]Frames, Springs, Shocks, Bumpers

[-] [+]Front End Sheet Metal, Heater, Vehicle Maintenance

[-] [+]Normal Maintenance Parts, Fluids, Capacities, Electrical Connectors

Select Your Vehicle
Select Vehicle by VIN
We are working to update our catalog with the model years which is currently unavailable.
If you want to shop Accessories, use our Accessories Catalog to locate your part.
Currently we are unable to process your VIN number. Please use Select Vehicle by Model function to continue the shopping process.
For the most accurate results, search by your VIN (Vehicle Identification Number).
Your VIN (Vehicle Identification Number) is a 17-character code that uniquely identifies all vehicles.

It can be found on the vehicle's title, registration, and insurance papers, driver side of the dashboard near the windshield, and on the driver's side door jamb.
Select Vehicle by Model
-- Select Make --
  • Buick
  • Cadillac
  • Chevrolet
  • GMC
  • Oldsmobile
  • Pontiac
-- Select Model --
-- Select Year --
We are working to update our catalog with the 2016 model years which is currently unavailable.
If you have a part number, use our search feature to locate your part.