Our Terms And Conditions

PLEASE REVIEW THE FOLLOWING WARRANTY POLICIES AND TERMS & CONDITIONS CAREFULLY and place your Order with Optimal Auto Parts only if you accept all the Policies and Terms & Conditions set forth in this Agreement.

1. Warranty Period:

1.1 Optimal Auto Parts provides a Standard 30 Days ‘Parts Replacement Only’ Warranty.

1.2 The 90 Days Warranty option, if available and purchased separately, extends the Standard Warranty Duration by 60 days.

1.3 All other terms and considerations remain the same under the 30 and 90 Days Warranty.

1.4 Warranty terms and conditions will Not be valid and enforceable outside of the warranty period.

2. Warranty Activation :

2.1 Warranty Period will auto activate from the delivery date of the unit, as recorded by the shipping carrier’s documentation indicating purchaser’s delivery acceptance.

3. Warranty Limitations:

3.1 Warranty will not cover any labor costs and/or storage fee.

3.2 Warranty is non-transferable and only applies to original purchaser.

3.3 In the instance of a defective part being delivered, Optimal Auto Parts obligation is limited to repairing or replacing the part/components covered under this warranty. If replacement of a part is required, and a replacement part is not available, Optimal Auto Parts reserves the right to refund the customer the cost of replacement parts value, not to exceed the original purchase price.

3.4 Optimal Auto Parts, at its sole discretion, may opt to replace the original defective part with another used functional assembly of like kind with mileage equal to or greater than that of the original unit.

3.5 Replacement of any component or transmission or engine covered under this warranty will be considered a repair and will not change the length of time or terms of the initial warranty.

3.6 All warranty claims must be submitted within the warranty period along with the original invoice copy.

3.7 Engines: are guaranteed against knocking and excessive smoking. Engine warranties are limited to defects in the block, heads, pistons, crankshafts, camshafts, rockers, and oil pumps. All other parts if included are considered accessories or extra parts. While engines may come with additional accessories, they are not always guaranteed with every shipment and are not covered under warranty. Components NOT covered under warranty include all bolt-on accessories, electrical control modules, wiring, sensors or ancillary items that may have been inadvertently shipped with the unit. Warranty is voided if engines heat tab is melted or removed.

3.8 Transmissions: are warrantied to be in good working order against any slippage or shifting failures. Any accessories such as but not limited to: modulators, governors, electrical control modules, linkage, mounts, seals, gaskets or fluids are NOT covered under warranty.

3.9 In order for the warranty to be valid, standard “Recommended Installation/Replacement Procedures” must be followed. Failure to provide proof of these steps being taken will void the warranty. Upon installation purchaser agrees to follow vehicles regular maintenance as recommended by manufacturer and may be required to provide proof of such activities in the event of a warranty claim.

Recommended Installation/ Replacement Procedures


  • Drain and replace engine oils to manufacture suggested levels
  • Replace oil, air and fuel filters
  • Replace valve cover gaskets
  • Replace oil pan gasket and rear main seal
  • If needed, replace timing gears, chains or belts & gaskets
  • Replace thermostat & gasket
  • Flush cooling system & re-fill to proper level
  • Install new spark plugs & wires
  • Install new belts and hoses

Transmissions & Transfer Cases

  • Drain and replace transmission fluids to manufacture suggested levels
  • Replace all seals
  • Install new filter kit
  • Flush and inspect cooling lines
  • Align and engage torque converter into front pump
  • Fill transmission with manufacturer specified fluid
  • Clear all transmission computer codes prior to starting or operating vehicle
  • Adjust throttle position sensor cable

4. Warranty Exclusions:

4.1 Any and all claims or damage resulting from: failure to maintain proper coolant, fluid, refrigerant, or lubrication levels, overheating of any type, abuse, negligence, freezing, personal damages, fire, flood, vandalism, theft, collision, acts of God, competition or racing, usages not approved by the vehicle manufacturer, improper load capacity, or improper towing, usage of contaminated fluids, coolants, or lubricants for any reason, misuse, road conditions, riots or acts of war are not covered.

4.2 Labor Cost, accommodation or storage fees, Incidental or Consequential damages such as physical injuries or property damages, medical expenses, telephone or rental charges, lost wages or earnings, freight, shipping or towing of a vehicle or anything associated in the way of per diem expenses are not covered under this warranty.

4.3 Any and all commercial, for-hire use, sporting or competitive use is not covered.

4.4 Any and all breakdowns caused by mechanical alterations not meeting manufacturer’s specifications are not covered.

4.5 Factory recalls or resultant breakdowns are not covered.

4.6 Any cost or expense associated with obtaining repair estimates or work performed to determine cost or estimate for repair is not covered.

4.7 Breakdowns caused by excessive wear and tear for the year and mileage of vehicle are not covered under this warranty. Breakdowns that occurred while under another warranty of any kind are not covered.

4.8 Breakdowns covered by manufacturer warranty or recall, distributor or repairers guarantee, any other written warranty, government or court orders, decrees or settlements, or any valid or collectable insurance policy are not covered.

4.9 Leaking gaskets or seals are not covered. We do not warranty on oil leaks/damage on engines or transmissions due to non-replaced seals, gaskets or filters. Any failure due to transmission coolant lines not being flushed at the time of installation is not covered. Transmission may need to be relearned, reset or flashed by dealer AND may need electronic valve body replaced; this is not covered. External switches and sensors on transmissions are not covered.

4.10Though our parts are cleaned, the external appearance of an engine or transmission may include dirt, oil, rust or other debris; this is not uncommon in the industry. The external visual appearance of used auto parts is not covered under warranty.

4.11 Claims occurring outside the United States are not covered.

4.12 Claims initiated outside of the warranty period are not covered.

4.13 Once a claim has been initiated, the purchaser may not continue to operate the vehicle until a claim determination or decision has been made by Optimal Auto Parts. Continued operation will void the warranty.

4.14 Improper engine or transmission installation or installation by a non- Automotive Service Excellence (ASE) Certified mechanic or non-Licensed Automotive Repair Facility (LARF) will void the warranty.

5. Warranty Claim:

5.1 All warranty claims must be filed within the warranty period and include diagnostic print-out from a Licensed Automotive Repair Facility (LARF) or Automotive Service Excellence (ASE) certified mechanic with unit installation invoice & receipts showing Recommended Installation/Replacement Procedures have been followed within 30 days of the warranty activation period. E-mail full name and contact information with all paperwork and photo-copy image of all receipts to [email protected]. An RTS representative will contact you within 24 -48 business hours, subject to major holidays.

5.2 Delivery acceptance is required for initiating any warranty claim. Parts refused at time of delivery will be subject to a twenty-five percent (25%) handling & restocking fee and the purchaser will pay for all shipping charges.

5.3 Any defective parts must be made available for inspection upon Optimal Auto Parts request for initiating a warranty claim.

6. Cancellation, Return and Refund:

6.1 All returns and cancellations require a prior authorization.

6.2 Once an order has been placed & processed, and the purchaser chooses to cancel the order, a twenty-five percent (25%) handling & restocking fee will apply.

6.3 Once an order has been placed, processed and shipped, and the purchaser chooses to cancel the order, in addition to twenty-five percent (25%) handling & restocking fee, the purchaser will pay for all shipping charges.

6.4 Incorrectly ordered parts or cancelled orders are subject to a twenty-five percent (25%) handling and restocking fees and the purchaser pays all shipping costs for return and replacement. Incorrectly ordered parts or cancelled orders, for any reason, are customer’s responsibility.

6.5 No refunds or credits are allowed, under any circumstances, for returned engines and transmissions not in their original condition as shipped to the purchaser (excluding items damaged in shipping and verified by a Optimal Auto Parts representative).

6.6 If the part is damaged, at time of delivery, both purchaser and delivery driver must write “DAMAGED” and sign their names in the delivery receipt. Also, if a damaged part or an incorrect part is received, the purchaser must notify our customer service department by e-mail and telephone call within three (3) business days (72 hours) of its arrival. DO NOT SEND THE PART BACK BEFORE RECEIVING INSTRUCTIONS/ RETURN MERCHANDISE AUTHORIZATION (RMA).

6.7 In the event that the part is proven defective, Optimal Auto Parts reserves the right to first replace defective part. If a replacement is not available through Optimal Auto Parts, a refund for cost of the part may be issued upon return of the defective part. No refunds are provided unless defective part is returned within the warranty period. In the event a reorder is made prior to return of the first part, Optimal Auto Parts will require payment for the second part and will refund the initial order upon return of defective unit. Return shipping costs will not be reimbursed. Upon contacting Optimal Auto Parts, please provide a detailed written explanation as to why the part is being returned.

6.8 Returning the part is the responsibility of the purchaser and is not covered by Optimal Auto Parts. Only the initial delivery shipping charges is covered by Optimal Auto Parts and is not billed to the purchaser. Optimal Auto Parts must be provided with a return tracking number when the item is returned. The item must be returned within 7 business days of return authorization. The return address will be provided at the time we are contacted. Parts must be returned to the location address provided. Refunds are issued once the returned unit has been inspected and verified to be the original unit shipped and in the original condition shipped.

6.9 This warranty covers defective parts and items sent incorrectly. We offer a parts only warranty. *NO LABOR COSTS and/or STORAGE FEES are covered for any part sold by Optimal Auto Parts.

7. Maintenance Requirements:

7.1 Acceptable records documenting purchaser’s adherence to the vehicle manufacturer’s required maintenance are required in the event of a warranty claim.

7.2 Acceptable records must be: issues on the date of maintenance, issued in the name of purchaser, be signed by purchaser, be electronically generated, issued by the commercial Automotive service facility performing the maintenance, include mileage, date, vehicle identification number, year, make and model, and include a record of payment and service performed. Handwritten information on records, receipts or repair orders, pertaining to or documenting required maintenance are not acceptable.

8. Other Terms and Conditions:

8.1 When authorizing or using credit card for part purchases, the purchaser waives all rights to “DISPUTE” any said charges with his/her Credit Card Company.

8.2 On any given Order, only the initial delivery shipping charges will be waived off by Optimal Auto Parts and will not be billed to the purchaser, provided the delivery address is a Commercial address accessible by a semi-trailer truck. A shipping fee will apply to all Residential address deliveries. Purchaser is responsible for all return shipping. Shipping and Handling charges are non-refundable unless otherwise stated.

8.3 The purchaser hereby understands that due to the nature of used auto parts, any liability of Optimal Auto Parts from all causes shall be limited to the price paid for the goods sold or provided. If a part sold by Optimal Auto Parts is defective, liability shall be limited to the replacement of the part or a remedy not to exceed the price paid for the part, at Optimal Auto Parts discretion.

8.4 All deposits made to reserve or hold any part are non-refundable.

8.5 Engines and transmissions must be installed by an ASE Certified mechanic at a Licensed Automotive Repair Facility.

8.6 Incorrectly ordered parts or cancelled orders, for any reason, are the customer’s responsibility.

8.7 No refunds or credits are allowed, under any circumstances, for returned engines and transmissions not in their original assembled condition as shipped to the purchaser.

8.8 The purchaser is required to self-accrue and remit Use tax due on all purchases for which Sales tax has not been collected by Optimal Auto Parts.

8.9 WE WILL NOT BE LIABLE TO YOU FOR ANY INCIDENTAL, SPECIAL OR CONSEQUENTIAL DAMAGES OF ANY KIND THAT MAY RESULT FROM USE OF OR INABILITY TO USE OUR GOODS OR SERVICE. Our maximum liability to you under all circumstances will be equal to the purchase price you pay for any goods or services.

8.10 You agree to indemnify, defend and hold us and our partners, attorneys, staff and affiliates (collectively, “Affiliated Parties”) harmless from any liability, loss, claim and expense, including reasonable attorney’s fees, related to your violation of this Agreement.

9. Disclaimer:

9.1 Our units (used engine, transmission, axle, etc.) may come with wear parts and accessories but are not guaranteed in the sale. They will need to be replaced before installation. Common items that are not guaranteed include but not limited to nuts, bolts, links, seals, bushings, ball joints, brackets, bezels, wiring, cables, sensors and other accessories depending on the part.

9.2 We cannot guarantee color on any part we sell. The purchased item may need to be repainted, refinished, or reupholstered for proper color match.

9.3 Mileage is not guaranteed and is correct to the best of our knowledge.

9.4 Typical delivery time is 7-14 working days. Unusual circumstances may require additional time.

9.5 Residential deliveries incur additional shipping charge, unless alternatives are pre-arranged.

9.6 OEM parts are interchangeable with multiple years, makes and models, thus the same part is an exact fit for multiple makes and models as determined by OEM standards. We guarantee the part we sell to fit your vehicle.

9.7 Optimal Auto Parts reserve the right to refuse to process any transaction, and to cancel any Order, at its sole discretion.

10. Dispute Resolution:

10.1 All disputes between the parties which may arise in connection with this Agreement shall be finally settled by non-appealable arbitration with one arbitrator in accordance with the rules of the American Arbitration Association in Rhode Island and Each party hereto shall be bound by the results of such proceedings. If travelling to Rhode Island is a burden, you may participate in the arbitration by phone or via document submission to the fullest extent allowable by the arbitrator. Each party will bear their own costs of arbitration unless the arbitrator directs that bearing such costs would be an undue burden and in that case, we will pay for your portion of the arbitration administrative costs (but not your attorneys’ fees). You agree to resolve any disputes related to the use thereof and/or this Agreement as an individual and not as a class or join any class. You understand that, in return for agreement to this provision and the dispute provision above, we are able to offer the services at the terms designated, and that your assent is an indispensable consideration to this Agreement.
You also acknowledge and understand that, with respect to any dispute with Optimal Auto Parts, our officers, directors, employees, agents or affiliates, arising out of or relating to your use of our Service, Product or this Agreement: YOU ARE GIVING UP YOUR RIGHT TO HAVE A TRIAL BY JURY; AND YOU ARE GIVING UP YOUR RIGHT TO SERVE AS A REPRESENTATIVE, AS A PRIVATE ATTORNEY GENERAL, OR IN ANY OTHER REPRESENTATIVE CAPACITY, OR TO PARTICIPATE AS A MEMBER OF A CLASS OF CLAIMANTS, IN ANY LAWSUIT INVOLVING ANY SUCH DISPUTE

11. Choice of Law and Venue:

11.1 All questions concerning or legal matters concerning the construction, interpretation, validity and enforceability of this Agreement, whether in a court of law or in arbitration, shall be governed by and construed and enforced in accordance with the laws of the State of Rhode Island, without giving effect to any choice or conflict of law provision or rule that would cause the laws of any other jurisdiction to apply.

11.2 Any action or arbitration in regard to this Agreement or arising out of its terms and conditions shall be instituted and litigated only in Providence County, Rhode Island.

11.3 No party to this agreement will challenge the jurisdiction or venue provisions as provided in this section.

We stand by our warranties and make sure that our valued customers are at ease when purchasing auto parts from us. If you have any questions, feel free to call us at 781 755 8400 or email us at [email protected].