Convertible · 5.7L LS1 V8
2003 Chevrolet Corvette Convertible — 6-speed manual
The 2003 Corvette paired the 5.7L LS1 V8 with the 6-speed manual in convertible form.

Photo: “2003 Chevrolet Corvette Convertible, front right, 07-06-2023.jpg” by MercurySable99 / Wikimedia Commons, licensed under CC BY-SA 4.0. Cropped to 16:9.
Factory configuration
What this model is
- Trim
- Corvette
- Body style
- Convertible
- Engine
- 5.7L LS1 V8
- Transmission
- 6-speed manual
Configuration-specific ownership
Maintenance for this exact configuration
These items are filtered to the engine, transmission, trim, and model-year applicability recorded for this configuration. Broad Amazon category searches are suppressed here; shopping links appear only beside catalog-backed part numbers.
Service desk
What this car needs & when
Use this as a service-planning checklist for 2003 Chevrolet Corvette Convertible — 6-speed manual. Start with the interval, confirm which engine or configuration you have, then use an exact ordering reference when one is verified.
- Service topics
- 4
- Factory intervals
- 2
- Fitment-scoped
- 4
- Exact references
- 1
Before orderingIdentify your engine, options and build date.Part numbers and sizes can change within one model year. Shopping links appear only for catalog-backed references; still verify the listing against your vehicle before ordering.
Engine air-cleaner filter — replace
Sourced interval available
Inspect at 15,000-mile offsets when driving in dusty conditions and replace sooner if necessary.
Source: Chevrolet — 2003 Corvette Owner's Manual · Maintenance Schedule — Scheduled Maintenance / Additional Required Services · checked
Automatic-transmission fluid and filter — change
Fitment must be confirmed
The manual says the manual-transmission fluid does not require scheduled changing.
Source: Chevrolet — 2003 Corvette Owner's Manual · Maintenance Schedule — Scheduled Maintenance / Additional Required Services · checked
Spark plugs — replace and inspect wires
Sourced interval available
Source: Chevrolet — 2003 Corvette Owner's Manual · Maintenance Schedule — Scheduled Maintenance / Additional Required Services · checked
Engine oil filter — catalog fitment
Exact reference available
Manufacturer-catalog fitment only; use the engine-specific option below and verify the VIN before ordering.
Baldwin B31 cataloged fitment
This manufacturer application record establishes replacement-filter fitment only; it does not alter Chevrolet's service interval.
Source: Parker/Baldwin Filters — 2025 Automotive Applications catalog · Chevrolet 2003 Corvette V8-350 5.7L FI, VIN G (LS1) application row — Lube — B31 · checked
Verified ordering references
- Validated equivalentBaldwin B31
Qty. 1 · Engine lubricating-oil filter · catalog-listed
Cataloged for the 2003 Corvette V8-350 5.7L FI, VIN G (LS1); verify the VIN and installed filter dimensions.
Catalog: Parker/Baldwin Filters — 2025 Automotive Applications catalog · Chevrolet 2003 Corvette V8-350 5.7L FI, VIN G (LS1) application row — Lube — B31 · checked
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Sources
Other 2003 configurations