The correct Fram filter depends on the engine in your Silverado; common options are PH2 for the 4.3L V6 and PH8A for larger V8s, but you should verify with Fram’s lookup tool or your owner's manual for the exact engine code.
Engine options and Fram compatibility
The 2003 Chevy Silverado was offered with several engines, including a 4.3L V6, a 5.3L V8, and in heavier configurations a 6.0L V8. Each engine size can use a different Fram oil filter, and Fram catalogs typically list the PH2 as a general-fit option for smaller GM engines like the 4.3L, while PH8A is oriented toward larger V8 applications. Depending on your exact engine and trim, other Fram models might appear in catalogs, so it’s important to confirm the fit with the right engine code or VIN.
Common Fram options for 2003 Silverado engines include the following models. Use the one that matches your engine's size and thread specification.
- Fram PH2 Extra Guard Oil Filter — commonly used on the 4.3L V6 and other small-block GM engines (typically 1/2-20 thread).
- Fram PH8A Heavy Duty Oil Filter — designed for larger GM V8s such as the 5.3L and 6.0L in Silverado applications.
These are typical options seen in many parts catalogs, but the exact fit can vary by engine and configuration. Always verify with Fram’s compatibility tools using your vehicle’s year, make, model, and engine code, or consult your owner’s manual.
How to verify the correct Fram filter
Before purchasing, use one of these methods to ensure the right filter:
- Check the engine code in your vehicle’s documentation and cross-check with Fram’s compatibility chart.
- Inspect the current oil filter to note the model number and thread size, then compare to Fram’s listed numbers.
- Use Fram’s online filter lookup by entering year, make, model, and engine to see a list of compatible filters for your Silverado.
If you’re unsure, ask a parts counter professional or contact your dealer with your VIN to confirm the exact Fram filter for your 2003 Silverado engine.
Summary
The Fram filter for a 2003 Chevy Silverado varies by engine: the 4.3L V6 commonly uses PH2, while larger V8s such as the 5.3L and 6.0L often use PH8A. Other Fram models may apply depending on the precise engine and configuration. Always verify with Fram’s lookup tools or your owner’s manual to ensure you have the correct part number.
What oil does a 2003 Chevy Silverado 1500 5.3 L take?
Oil Grade: API*
| Viscosity: | 10W-30 (Above -18°C) 5W-30 (All TEMPS) - SAE 5W-30 is preferred. |
|---|---|
| Capacity: | 6 quarts (with filter). After refill check oil level. |
| Torque: | 18 ft/lbs (Oil Drain Plug) |
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What FRAM oil filter fits a 2003 Chevy Silverado?
FRAM High Mileage Oil Filter, HM3506 Fits select: 1999-2006 CHEVROLET SILVERADO, 2000-2006 CHEVROLET TAHOE.
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What kind of oil does a 2003 Chevy Silverado 6.0 take?
SAE 5W-30
Engine Oil
5W-30 (All TEMPS) - SAE 5W-30 is preferred. Capacity: 6 quarts (with filter).
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What type of oil filter does a 2003 Chevy Silverado take?
For a 2003 Chevy Silverado 1500 V8, use an oil filter compatible with GM part number PF46 or equivalent.
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