Subtotal:$0.00
ACDelco 13530971 - Wheel Hub (Rear)
- BrandACDelco
- PositionRear
- ManufacturerACDelco
- MPN13530971
- FeaturesAnti Lock Braking System : No
Bolt Circle Diameter (in) : 4.578740157
Bolt Circle Diameter (mm) : 116.3
Brake Pilot Diameter (in) : 2.779527559
Brake Pilot Diameter : 70.6
Features & Benefits - Bullet 1 : Provides the attaching point for the brake rotor and road wheel
Features & Benefits - Bullet 2 : Supported and allowed to rotate by the wheel bearing
Features & Benefits - Bullet 3 : GM OE bearing designs are dimensionally optimized to work with their mating parts
Features & Benefits - Bullet 4 : GM-recommended replacement part for your GM vehicle's original factory component
Features & Benefits - Bullet 5 : Offering the quality, reliability, and durability of GM OE
Features & Benefits - Bullet 6 : Manufactured to GM OE specification for fit, form, and function
Flange Bolt Hole Diameter (in) : 0.478740157
Flange Bolt Hole Diameter : 12.16
Flange Bolt Hole Quantity : 5
Flange Bolts Included : Yes
Flange Diameter (in) : 5.669291339
Flange Diameter : 144
Flange Shape : Round
Good Maintenance Practices - Section 1 - Bullet 1 : Tighten the wheel hub axle nut to recommended specs, overtightening may cause premature wear to the hub assembly
Good Maintenance Practices - Section 1 - Bullet 2 : Do not operate vehicle with a worn wheel hub assembly
Good Maintenance Practices - Section 1 - Bullet 3 : For bearings that are bolted onto knuckles, apply GM-recommended grease between bearing knuckle pilot and knuckle bore for easy of future removal. Take special care to avoid getting grease in the threads.
Height (in) : 2.7
Hub Pilot Diameter (in) : 2.760629921
Hub Pilot Diameter : 70.12
Integrated Hub Unit : Yes
Length (in) : 5.65
Product Description : ACDelco GM Original Equipment Wheel Hubs provide the attaching point for the brake rotor and road wheel, and are GM-recommended replacements for your vehicle's original components. These wheel hubs are supported and allowed to rotate by the wheel bearing. These original equipment wheel hubs have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. âš WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov
Programming Required : No
Signs of Wear & Troubleshooting - Section 1 - Bullet 1 : Grinding when the vehicle is in motion
Signs of Wear & Troubleshooting - Section 1 - Bullet 2 : Knocking or clunking
Signs of Wear & Troubleshooting - Section 1 - Bullet 3 : Humming, rumbling, squealing, roaring or growling
Signs of Wear & Troubleshooting - Section 1 - Bullet 4 : Looseness
Signs of Wear & Troubleshooting - Section 1 - Bullet 5 : ABS, Traction control, Stability control light.
Signs of Wear & Troubleshooting - Section 1 - Bullet 6 : Wheel vibration and/or wobble
Signs of Wear & Troubleshooting - Section 1 - Header : Signs of wear for wheel hubs include but are not limited to:
Weight (lb) : 3.73
Wheel Pilot Diameter (in) : 2.760629921
Wheel Pilot Diameter : 70.12
Wheel Stud Quantity : 5
Wheel Stud Size (in) : 0.472440945
Wheel Stud Size : 12
Wheel Studs Included : Yes
Width (in) : 5.7 - Part TypeWheel Hub
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2020 | Buick | Encore GX | Essence (1.3 L3 GAS) | |
| 2020 | Buick | Encore GX | Essence (1.2 L3 GAS) | |
| 2020 | Buick | Encore GX | Preferred (1.3 L3 GAS) | |
| 2020 | Buick | Encore GX | Preferred (1.2 L3 GAS) | |
| 2020 | Buick | Encore GX | Select (1.3 L3 GAS) | |
| 2020 | Buick | Encore GX | Select (1.2 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | L (1.2 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | RS (1.3 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | ACTIV (1.3 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | LT (1.2 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | LT (1.3 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | LS (1.2 L3 GAS) | |
| 2021 | Chevrolet | Trailblazer | LS (1.3 L3 GAS) | |
| 2021 | Buick | Encore GX | Essence (1.3 L3 GAS) | |
| 2021 | Buick | Encore GX | Essence (1.2 L3 GAS) | |
| 2021 | Buick | Encore GX | Preferred (1.2 L3 GAS) | |
| 2021 | Buick | Encore GX | Preferred (1.3 L3 GAS) | |
| 2021 | Buick | Encore GX | Select (1.2 L3 GAS) | |
| 2021 | Buick | Encore GX | Select (1.3 L3 GAS) | |
| 2022 | Buick | Encore GX | Essence (1.3 L3 GAS) | |
| 2022 | Buick | Encore GX | Essence (1.2 L3 GAS) | |
| 2022 | Buick | Encore GX | Preferred (1.3 L3 GAS) | |
| 2022 | Buick | Encore GX | Preferred (1.2 L3 GAS) | |
| 2022 | Buick | Encore GX | Select (1.3 L3 GAS) | |
| 2022 | Buick | Encore GX | Select (1.2 L3 GAS) | |
| 2022 | Chevrolet | Trailblazer | RS (1.3 L3 GAS) | |
| 2022 | Chevrolet | Trailblazer | LS (1.2 L3 GAS) | |
| 2022 | Chevrolet | Trailblazer | LS (1.3 L3 GAS) | |
| 2022 | Chevrolet | Trailblazer | LT (1.2 L3 GAS) | |
| 2022 | Chevrolet | Trailblazer | LT (1.3 L3 GAS) | |
| 2022 | Chevrolet | Trailblazer | ACTIV (1.3 L3 GAS) | |
| 2023 | Chevrolet | Trailblazer | RS (1.3 L3 GAS) | |
| 2023 | Chevrolet | Trailblazer | ACTIV (1.3 L3 GAS) | |
| 2023 | Chevrolet | Trailblazer | LT (1.3 L3 GAS) | |
| 2023 | Chevrolet | Trailblazer | LT (1.2 L3 GAS) | |
| 2023 | Chevrolet | Trailblazer | LS (1.3 L3 GAS) | |
| 2023 | Chevrolet | Trailblazer | LS (1.2 L3 GAS) | |
| 2023 | Buick | Encore GX | Essence (1.3 L3 GAS) | |
| 2023 | Buick | Encore GX | Essence (1.2 L3 GAS) | |
| 2023 | Buick | Encore GX | Preferred (1.2 L3 GAS) | |
| 2023 | Buick | Encore GX | Preferred (1.3 L3 GAS) | |
| 2023 | Buick | Encore GX | Select (1.2 L3 GAS) | |
| 2023 | Buick | Encore GX | Select (1.3 L3 GAS) |
Warranty Overview
At Newparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, use our Return Portal or contact support.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For full details, please see our complete Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.








