Warranty & Return Policy

At Powerline Auto Zone, we stand behind the quality of every used OEM auto part we sell. We understand that purchasing used engines, transmissions, and other automotive components requires confidence, which is why we provide a clear Warranty & Return Policy designed to protect both our customers and our business.

Many of our major components, including used engines, transmissions, transfer cases, differentials, and select electronic modules, may include warranty coverage depending on the product purchased. Warranty terms vary by part and will be confirmed at the time of sale.

Warranty Coverage

Our warranty is intended to protect against defects in covered components when the part has been properly installed, maintained, and operated under normal driving conditions.

Covered Components

Depending on the product purchased, warranty coverage may include:

Used Engines

  • Engine Block
  • Cylinder Heads
  • Crankshaft
  • Pistons
  • Connecting Rods
  • Camshaft
  • Rocker Arms
  • Internal Lubricated Components

Used Transmissions

  • Internal Gears
  • Internal Shafts
  • Valve Body
  • Planetary Gear Sets
  • Torque Converter (where applicable)
  • Internal Bearings

Other Components

Coverage for transfer cases, differentials, and certain electronic control modules (ECMs/ECUs) may be available depending on the specific product listing.

The warranty also excludes damage caused by:

  • Improper installation
  • Incorrect vehicle application
  • Abuse or misuse
  • Racing or commercial competition
  • Overheating
  • Lack of lubrication
  • Low fluid levels
  • Contaminated fluids
  • Improper maintenance
  • Accidents
  • Fire
  • Flood
  • Natural disasters
  • Unauthorized repairs or modifications

Powerline Auto Zone is not responsible for labor costs, towing expenses, rental vehicles, loss of income, or any incidental or consequential damages resulting from the use or failure of a part.

Warranty Requirements

To maintain warranty eligibility:

  • Parts should be installed by a licensed repair facility or certified mechanic.
  • Installation receipts may be required.
  • Original purchase invoice must be retained.
  • Warranty claims must include proof of installation.

For used engines, we strongly recommend:

  • Replace all seals and gaskets.
  • Install a new oil filter.
  • Replace engine oil and coolant.
  • Inspect or replace timing components if necessary.
  • Flush the cooling system.
  • Verify proper oil pressure before operation.

For used transmissions:

  • Replace the transmission filter.
  • Install fresh transmission fluid.
  • Flush transmission cooler lines.
  • Inspect the transmission cooler.
  • Reset transmission adaptations when required by the manufacturer.

Failure to follow recommended installation procedures may affect warranty eligibility.

Return Policy

Customer satisfaction is important to us. If you experience an issue with your order, we will work with you to resolve it promptly.

Return Eligibility

Returns must:

  • Be requested within 10 business days of delivery.
  • Receive prior Return Authorization from Powerline Auto Zone.
  • Be returned in the same condition received.
  • Not have been installed, modified, or disassembled.
  • Include original labels and documentation where applicable.

Unauthorized returns may be refused.

Incorrect or Damaged Shipments

If you receive:

  • The wrong part
  • Shipping damage
  • Missing components

Please notify us within 3 business days of delivery.

Supporting photographs of the part, packaging, shipping label, and any visible damage may be required.

After review, we may offer:

  • Replacement
  • Exchange
  • Refund (where applicable)

Non-Returnable Items

Unless shipped incorrectly or damaged upon arrival, the following are generally not eligible for return:

  • Installed parts
  • Modified parts
  • Disassembled parts
  • Electrical components after installation
  • Special-order items
  • Custom-requested parts
  • Clearance or final-sale items

Return Shipping

Unless the return results from our error, customers are responsible for return shipping costs.

Returns must be securely packaged to prevent shipping damage.

Restocking Fee

Approved returns may be subject to a 25% restocking and handling fee.

Shipping charges are generally non-refundable unless the return results from our error.

Order Cancellation Policy

Within 4 Hours

Orders may be canceled without penalty if processing has not begun.

Within 48 Hours

Orders canceled after processing has begun may be subject to a 10% processing fee.

After Shipment

Once an order has shipped, cancellations are no longer possible. Any approved return will be handled according to this Return Policy.

Shipping Information

  • Standard delivery time is typically 5–10 business days, depending on destination and freight carrier.
  • Delivery times are estimates and are not guaranteed.
  • We do not ship to P.O. Boxes or APO/FPO addresses.
  • Residential deliveries may require additional freight charges.
  • Liftgate service may incur additional fees if requested.
  • Customers are responsible for ensuring someone is available to receive freight deliveries when required.

Please inspect shipments immediately upon delivery and note any visible damage before signing the carrier’s delivery receipt.

Customer Responsibilities

To help ensure the correct part is supplied:

  • Verify vehicle Year, Make, Model, and Engine Size.
  • Provide your VIN whenever possible.
  • Inspect the part before installation.
  • Have parts professionally installed.
  • Retain:
    • Original invoice
    • Installation receipt
    • Maintenance records
    • Warranty documentation

These documents may be required to process warranty claims.

Limitation of Liability

Powerline Auto Zone’s liability is limited to the purchase price of the part sold.

We shall not be responsible for:

  • Labor expenses
  • Diagnostic charges
  • Vehicle downtime
  • Rental vehicles
  • Lost wages
  • Towing
  • Storage fees
  • Consequential or incidental damages

Contact Us

If you have questions regarding a warranty claim, return request, exchange, or order, please contact our customer support team.

Powerline Auto Zone

📍 32 N Gould St
Sheridan, WY 82801

📧 info@powerlineautozone.com

📞 +1 (307) 381-3434

Legal Notice

This Warranty & Return Policy constitutes the complete agreement between Powerline Auto Zone and the purchaser regarding warranty coverage, returns, exchanges, cancellations, and related matters.

By placing an order with Powerline Auto Zone, you acknowledge that you have read, understood, and agreed to the terms of this policy.

Powerline Auto Zone reserves the right to modify or update this policy at any time without prior notice. The latest version will always be published on this page.