Shop by Make About Us Track Order
Contact Us
USA Flag
SUPPORT
SMALL BUSINESS
📦 My Cart
- OR -
Suspension Control Arm
This photo shows the same type of part you'll receive. Since each used part has its own wear and scratches, yours may look slightly different. Check the product notes for details about the condition of this specific part.

2003 - 2009 Chevrolet Trailblazer Control Arm with Ball Joint - Upper Front, Right (Passenger) (OEM)

Only 2 left in stock
$39.95

ℹ️ Product Notes

This is a used part. It is the front upper control arm.

Fits passenger side only. This part connects the wheel to the frame. Check your vehicle for a stamped or forged steel arm to ensure a match.
Condition: Excellent (A)
Like new, minimal to no wear
84,744 miles
Odometer reading when part was removed
See Other Chevrolet Trailblazer Suspension Control Arms
SKU #
7945541-R70100-115

Why Buy Used OEM Parts?

✓ Quality-Verified: Every used OEM part we sell has been professionally inspected and tested to ensure it meets our quality standards. While it may show some cosmetic wear from previous use, it's fully functional and ready to install.

✓ Original Equipment: This is a genuine OEM (Original Equipment Manufacturer) part - the exact same part that came with your vehicle from the factory. It's designed specifically for your make and model, ensuring perfect fitment and performance.

✓ Works Like New: Despite some visual wear, this part will perform just as well as a brand new one. The internal components and functionality are intact, giving you the same reliability you'd expect from OEM quality.

✓ Significant Savings: Save 50-80% compared to buying new! Used OEM parts offer exceptional value - you get factory quality at a fraction of the cost. It's the smart choice for budget-conscious vehicle owners who won't compromise on quality.

✓ Risk-Free Purchase: We stand behind our used parts with a generous 6-month warranty, 30-day returns, and 100% money-back guarantee. If it doesn't work out for any reason, simply return it for a full refund. You have nothing to lose!

🛡️ 30-Day Returns + 6-Month Warranty - Buy with Confidence!

Wrenchy the Robot

Meet Wrenchy - The Amazing Parts Assistant!Meet Wrenchy
The Amazing Assistant!

Let Wrenchy help you confirm if this is the right part.

Ask Wrenchy -
Type or Speak! 🎤

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet
Trailblazer 2003-2009 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Base SUV 2003 - 2008 L6 4.2L RWD | Automatic | Fits both standard and EXT long-wheelbase models
LS SUV 2003 - 2007 L6 4.2L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models
LT SUV 2003 - 2009 L6 4.2L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models
LTZ SUV 2003 L6 4.2L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models
North Face SUV 2003 - 2004 L6 4.2L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models
A SUV 2004 - 2007 L6 4.2L RWD | Automatic | Fits both standard and EXT long-wheelbase models
B SUV 2004 - 2007 L6 4.2L RWD | Automatic | Fits both standard and EXT long-wheelbase models
Q SUV 2005 L6 4.2L RWD | Automatic | Fits both standard and EXT long-wheelbase models
R SUV 2005 L6 4.2L RWD | Automatic | Fits both standard and EXT long-wheelbase models
B SUV 2006 L6 4.2L 4WD | Automatic | Fits both standard and EXT long-wheelbase models
LS SUV 2006 - 2007 V8 5.3L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models
LT SUV 2006 - 2008 V8 5.3L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models
SS SUV 2006 - 2009 V8 6.0L AWD/RWD | Automatic | Fits both standard and EXT long-wheelbase models
Base SUV 2008 L6 4.2L 4WD | Automatic | Fits both standard and EXT long-wheelbase models
Base SUV 2008 V8 5.3L RWD/4WD | Automatic | Fits both standard and EXT long-wheelbase models

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping & Handling

  • Standard shipping: 3-7 business days via UPS Ground
  • Parts are carefully packaged to prevent damage during transit

Returns (30 Days)

We accept returns within 30 days of delivery for this part.

  • Defective parts: We will replace the part or issue a refund at our discretion
  • Electronic parts: Must be returned with the sealed inspection bag unopened. The clear bag allows full visual inspection before opening. Once opened, electronic parts can only be exchanged for a replacement if defective — no refunds
  • Programming: "Needs to be programmed to my vehicle" is not a valid return reason. Many modules require dealer programming — we're happy to help connect you with resources if your dealer says it's not programmable
  • Return shipping: We cover return shipping as part of our 100% money-back guarantee
  • Parts must be returned in original packaging and unmodified condition
  • Poorly packaged returns that arrive damaged will not be credited

6-Month Warranty

All used parts include a 6-month warranty from the date of purchase.

  • If your part fails within 6 months, we will send a replacement
  • Refunds are only issued if we cannot provide a suitable replacement
  • Warranty covers defects — not installation errors, misuse, or damage after installation

Note: Warranty is for replacement, not refund. A part failing on day 80? We'll replace it. But the return window for refunds is 30 days.

Damaged in Shipping?

If your part arrives damaged:

  • Stop immediately — do not install the part
  • Keep all original packaging and boxes
  • Take clear photos of the damage and packaging
  • Contact us within 48 hours of delivery

We will handle the carrier claim. You are not responsible for shipping damage — we just need your help documenting it.

Order Cancellation

Orders can be cancelled before shipment for a full refund. Once shipped, cancellations follow our return policy.

Symptoms & Diagnosis

Warning Signs of a Failing Front Upper Control Arm with Ball Joint:

  • Clunking or rattling noises coming from the front suspension, especially when going over bumps.
  • Steering feels loose, wandering, or unstable.
  • Uneven tire wear, especially on the inside or outside edge of the tire.
  • Vehicle pulls to one side while driving.
  • Visible damage to the control arm or ball joint, such as cracks, bends, or excessive play.
  • Squeaking noises when the suspension moves.

Testing the Front Upper Control Arm with Ball Joint:

  1. Visual Inspection: Carefully inspect the control arm and ball joint for any signs of damage, such as cracks, bends, or torn rubber boots.
  2. Ball Joint Play Test: With the vehicle safely raised and supported, try to move the wheel up and down. Excessive play in the ball joint indicates it's worn out.
  3. Control Arm Bushing Inspection: Check the control arm bushings for cracks, tears, or excessive wear. Use a pry bar to check for movement in the bushings.
  4. Compare to Other Components: Noises and handling issues can also come from bad struts/shocks, tie rod ends, or wheel bearings. Rule those out before replacing the control arm.

Common Failure Causes:

  • Normal wear and tear over time.
  • Impact damage from hitting potholes or curbs.
  • Corrosion due to road salt and moisture.
  • Lack of lubrication, leading to premature wear of the ball joint.
  • Worn or damaged control arm bushings.

Buyer's Checklist

What to Look For When Buying:

  • Check for any signs of damage, such as cracks, bends, or corrosion.
  • Make sure the ball joint moves smoothly but isn't too loose.
  • Inspect the control arm bushings for cracks or tears.
  • Verify the part is for the correct side of the vehicle (right/passenger).

Quality Indicators:

| Feature | Used OEM | Feature | Used OEM | New Aftermarket | | Condition | Tested and Inspected | Brand New | | Price | Lower | Varies | | Quality | Genuine Factory Part | Varies - Can be lower quality | | Reliability | Generally Reliable | Can Vary |

What's Typically Included:

  • The control arm itself.
  • A pre-installed ball joint.
  • Sometimes, new bushings are included. Check the product description.
  • Mounting hardware may or may not be included.

Installation Overview

Difficulty Level: Intermediate

Estimated Time: 1-3 hours per side

Special Tools Needed:

  • Socket set and wrenches.
  • Ball joint separator (pickle fork or ball joint press).
  • Torque wrench.
  • Jack and jack stands.
  • Wheel chocks.

Critical Steps and Tips:

  1. Safety First: Always use jack stands when working under a vehicle.
  2. Loosen Lug Nuts: Before lifting the vehicle, loosen the lug nuts on the wheel.
  3. Disconnect Sensors: Disconnect any sensors or wires attached to the control arm or ball joint.
  4. Separate Ball Joint: Use a ball joint separator to disconnect the ball joint from the steering knuckle.
  5. Remove Control Arm Bolts: Remove the bolts holding the control arm to the vehicle frame.
  6. Install New Control Arm: Install the new control arm in the reverse order of removal.
  7. Torque to Spec: Torque all bolts to the manufacturer's specifications.
  8. Get an Alignment: After replacing a control arm, it's essential to get a wheel alignment.

DIY or Professional Installation?

Replacing a control arm is possible for experienced DIYers. However, it involves working with suspension components and requires specialized tools. If you're not comfortable with this type of work, professional installation is recommended.

Buying Options

| Option | Description in the case of a used OEM part, it's been tested and inspected.

  • Used OEM: Offers the best value. You get a genuine factory part at a lower price. These parts have been tested and inspected to ensure they are in good working condition.
  • New Aftermarket: Provides a brand-new part built to OE specifications. Quality can vary depending on the manufacturer.

Typical Lifespan

How Long This Part Normally Lasts:

  • A front upper control arm with ball joint can last anywhere from 75,000 to 150,000 miles or more.

Factors That Affect Longevity:

  • Driving conditions (rough roads, potholes).
  • Climate (road salt, extreme temperatures).
  • Maintenance (lubrication, alignment).
  • Driving habits (aggressive driving, frequent braking).
  • Part quality.

Price Ranges

Budget vs. Mid-Range vs. Premium Options:

  • Used OEM: $50 - $150
  • New Aftermarket: $75 - $250

Labor Cost Considerations:

  • Labor costs to replace a front upper control arm typically range from $150 to $300 per side.

Total Job Cost Estimates:

  • DIY (Used OEM part): $50 - $150 (plus tools if needed)
  • DIY (New Aftermarket part): $75 - $250 (plus tools if needed)
  • Professional Installation (Used OEM part): $200 - $450
  • Professional Installation (New Aftermarket part): $225 - $550

Vehicle-Specific Notes

Known Issues:

  • Some vehicles in this range are prone to ball joint failure due to the design of the suspension.
  • Corrosion can be a problem in areas with road salt, leading to premature control arm failure.
  • Check for any recalls or Technical Service Bulletins (TSBs) related to the front suspension on your specific vehicle. Some vehicles had issues with premature ball joint wear.

Verification After Install

How to Confirm Proper Operation:

  • Check for any unusual noises, such as clunking or squeaking.
  • Make sure the steering feels smooth and stable.
  • Inspect the tires for even wear.
  • Get a wheel alignment to ensure proper suspension geometry.

What to Look/Listen For:

  • No clunking or rattling noises when driving over bumps.
  • No pulling to one side while driving.
  • No excessive play in the steering wheel.
  • Even tire wear.

FAQ

Q: How do I know if I need to replace just the ball joint or the entire control arm?
A: If the ball joint is replaceable on your control arm, you can replace just the ball joint. However, if the control arm is damaged or corroded, or if the ball joint is not replaceable, it's best to replace the entire control arm assembly.

Q: Will replacing the control arm fix my alignment issues?
A: Replacing a worn control arm can improve alignment, but it's essential to get a wheel alignment after installation to ensure proper suspension geometry and prevent uneven tire wear.

Q: Is it okay to drive with a bad control arm?
A: Driving with a bad control arm is not recommended. It can compromise your vehicle's handling and stability, making it unsafe to drive. It can also cause damage to other suspension components.

Q: Should I replace both control arms at the same time?
A: It's generally recommended to replace both control arms at the same time, even if only one is bad. This ensures even wear and optimal performance.

Q: What is the difference between an upper and lower control arm?
A: The upper and lower control arms are part of the suspension system. The upper control arm is located higher up in the suspension, while the lower control arm is located lower down. They both play a role in controlling the movement of the wheel and maintaining proper alignment.

Part Specifications

OEM Part Numbers:

  • Chevrolet: 15080914, 15858683, 25786775
  • GMC: 15298273
  • Isuzu: 8158586830
  • Oldsmobile: 15077245

Fits Years: 2003 2004 2005 2006 2007 2008 2009

Why Millions Choose Go-Parts

Your Go-To Place for Auto Parts!

✅

6-Month Warranty

Shop with confidence and peace of mind

🏆

Trusted Since 2007

Over 19 years of excellence

🏅

OEM Quality

Meets or exceeds OE standards

🚚 Fast Shipping • ↩️ 30-Day Returns • 🎯 Perfect Fit Guaranteed

Racing Partner Videos

×

Search by Vehicle

1
2
3