2009 Chevrolet Suburban 1500 Wheel Interchange
2009 Chevrolet Suburban 1500 Wheel Fitment Guide
Known OEM Fitment For 2009 Chevrolet Suburban 1500
This page summarizes the verified specs provided for the 2009 Suburban 1500. OEM equipment could vary by trim and package. If your vehicle differs, confirm exact values on your door jamb tire label, owner’s manual, RPO build sheet, or with a GM dealer before purchasing.
| Bolt pattern | 6x139.7 mm (also called 6x5.5 inch) |
| Center bore | 78.1 mm |
| Thread size | M14 x 1.5 |
| OEM wheel example | 20 x 8.5 inches, ET 31 mm, backspacing 5.47 inches |
| OEM tire example | 265/70R17 |
Notes:
- Multiple OEM wheel and tire packages existed in 2009. The values above reflect examples that have been provided and may not represent every trim.
- Always match the 6x139.7 bolt pattern and ensure the wheel’s center bore is at least 78.1 mm. If larger, use hub-centric rings to adapt down to 78.1 mm.
- If your door sticker shows a different tire size than 265/70R17, use that as your baseline in the calculator to keep overall diameter and load rating correct.
How To Use The Wheel Interchange Calculator
The calculator on wheelinterchange.com lets you compare a donor vehicle’s wheels to your Suburban and dial in custom wheel and tire sizes while watching key clearances.
- Set Installed on (your vehicle) to 2009 Chevrolet Suburban 1500.
- If you know your current OEM size, enter it, or select a similar Suburban trim. If your door sticker shows a size different from the example above, use your sticker value.
- Choose Wheels from (donor vehicle) if you are evaluating take-off wheels from another model. The tool will show bolt pattern match, lug thread, and basic geometry comparisons.
- Use Custom wheel size to try rim diameter, width, and offset changes. The tool updates inner clearance to the suspension and outer poke toward the fender.
- Use Custom tire size to set section width and aspect ratio. Changing rim diameter automatically updates overall tire diameter in the comparison.
- Aim to keep overall tire diameter within about 3 percent of your OEM baseline to maintain speedometer and ABS behavior.
Fitment Checklist Before You Buy
Run through these checks to prevent rubbing or vibration issues.
- Bolt pattern match: 6x139.7 only. Do not attempt to fit 6x135 or other patterns.
- Center bore: Vehicle hub is 78.1 mm. If aftermarket wheels have a larger bore, plan for 78.1 mm hub-centric rings. If smaller, they will not fit.
- Offset and backspacing: Use the calculator to ensure inner clearance to the strut, UCA, and sway bar is sufficient and that outer poke does not contact the fender or mud flaps.
- Brake clearance: Verify rim diameter and spoke design clear front calipers. If downsizing to 17 inch or choosing aggressive spoke profiles, test fit first.
- Tire diameter: Keep total diameter close to your OEM reference. The calculator will show the difference in ride height and speedometer error.
- Load rating: Wheels and tires must meet or exceed the Suburban 1500’s OEM load requirements. Check the tire’s load index and the wheel’s load rating from the manufacturer.
- TPMS: Plan for compatible sensors and relearn. Reuse or replace as needed.
- Lug nuts: Match M14 x 1.5 thread and the correct seat type for your wheels. Do not mix conical, mag, or ball seats.
- Thread engagement: Ensure full and proper engagement on all studs without bottoming out. Replace damaged studs or nuts.
Plus Sizing And Common Upgrades
The 2009 Suburban 1500 commonly runs factory 17 inch or 20 inch packages depending on trim. When upsizing or downsizing, keep these guidelines in mind:
- Overall diameter: Keep within about 3 percent of your verified OEM size. Use the calculator to pair tire sizes that maintain diameter when moving between 17, 18, 20, or other diameters.
- Width and offset: Wider wheels move inward and outward. Small offset decreases can push the tire toward the fender; increases can push inward toward suspension. Use the comparison view to visualize inner and outer changes before buying.
- All-terrain and winter setups: If selecting taller sidewalls for off-road or winter, pay close attention to inner clearance at full steering lock and during compression over bumps.
- Spacers: If you must use spacers to clear suspension or calipers, choose hub-centric spacers matched to 78.1 mm and retain sufficient stud engagement. Verify local regulations.
Installation Tips
- Test fit each front wheel without a tire first if possible. Spin to check caliper and knuckle clearance.
- Clean the hub face and wheel mounting pad. Remove rust and debris to keep the wheel true.
- If using hub-centric rings, seat them fully in the wheel bore before mounting.
- Hand start all lug nuts to avoid cross-threading. Tighten in a star pattern.
- Torque lugs to the factory specification for your 2009 Suburban 1500 using a calibrated torque wrench. Consult your owner’s manual or OEM service information.
- Re-torque after 50 to 100 miles of driving.
- Perform a TPMS relearn and verify pressures to the door sticker values.
Tools And Helpful Supplies
- Half inch drive torque wrench
- M14 x 1.5 lug nuts matched to your wheel seat type
- 78.1 mm hub-centric rings for aftermarket wheels with larger bores
- Hub and wheel mounting surface brush
FAQs
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Q: What bolt pattern does the 2009 Suburban 1500 use?
A: 6x139.7 mm. This is also referred to as 6x5.5 inch.
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Q: My OEM tire label shows a different size than 265/70R17. Which should I use?
A: Use the size on your door jamb sticker as your baseline. The examples listed here reflect known equipment that may vary by trim. Enter your exact size into the calculator to maintain correct overall diameter.
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Q: Can I fit wheels with a different center bore?
A: Wheels must have a center bore equal to or larger than 78.1 mm to physically fit. If larger, use 78.1 mm hub-centric rings. If smaller, the wheel will not seat on the hub.
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Q: Will 17 inch wheels clear my brakes?
A: Many 2009 Suburban 1500 models run 17 inch tires from the factory, but brake packages can vary. Always test fit and verify caliper clearance, especially with aftermarket spoke designs.
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Q: What offset should I choose for a flush look?
A: It depends on wheel width, tire size, and your specific trim. Use the calculator to compare inner and outer movement relative to your current setup, then measure your fender and suspension clearance before ordering.
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Q: Can I reuse my factory lug nuts?
A: Only if the new wheels use the same M14 x 1.5 thread and the same lug seat type. Many aftermarket wheels require different nuts. Match the seat style exactly.
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Q: Do I need to recalibrate my speedometer if I change tire size?
A: If overall diameter changes significantly, indicated speed can be off. Keep within about 3 percent of OEM, or plan for recalibration where supported.
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Q: Are spacers safe on a Suburban 1500?
A: Quality hub-centric spacers that match 78.1 mm and maintain proper thread engagement can be used when necessary. Verify clearance, torque to spec, and re-torque after driving. Follow local regulations.
Use the on-page calculator at wheelinterchange.com to confirm final wheel width, offset, and tire sizing for your exact 2009 Chevrolet Suburban 1500 trim. When in doubt, verify against OEM documentation or consult a professional installer.
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