02 October 2018


All new engine parts sold by ARCO are warranted to be free from defects in materials and workmanship for a period of 12 months or 100,000km, whichever comes first. And this warranty extends to the original purchaser and all subsequent transferees within the warranty period.


Warranty Limitations
This warranty does not apply to:

1. special buy-ins, second hand items or consumables (i.e. lubricants, sealants, filters, glow plugs, thermostats, etc.);

2. defects caused by owner, operator or third party neglect or abuse. This includes defects caused by operating the engine with unsuitable or inadequate lubricant or coolant; over or under fuelling; over-speeding; lack of proper maintenance of the fuel injection, cooling, lubricating, air intake and exhaust systems; improper storage, starting, warm-up, run-in or shutdown procedures; the continued operation of the engine after the first sign of a malfunction; or failure to follow engine assembly, operation, maintenance and repair procedures contained in the engine manufacturer's published workshop, operation and maintenance manuals;

3. defects caused by alteration or misapplication of parts;

4. defects caused due to the parts being used in engines modified for competition purposes;

5. failure of or damage to components that are not caused by a warrantable part failure;

6. defects caused by installation or repair by unauthorized or unqualified personnel;

7. parts which have had their trade mark, name or manufacturing number removed.


In addition, ARCO is entitled:

1. To send components related to warranty claims to destinations of its choosing for failure analysis and reporting;

2. To refuse to honor this warranty in the event that the claims procedure (set out below) is not followed by the claimant;

3. To refuse to honor this warranty in the event that the claimant refuses or fails to provide information about the engine part or circumstances of the claim to ARCO upon reasonable request.

The information which may be required from the claimant includes the following:

a) evidence of date and location of purchase, price paid and identity of seller and purchaser;

b) adherence to assembly, operation, maintenance and repair procedures contained in the manufacturer’s published workshop, operation and maintenance manuals;

c) usage of the part;

d) circumstances of the failure.


Procedure for claiming on warranty

1. The claimant shall cease to operate the engine after the first sign of malfunction.

2. The claimant shall give written notification to ARCO within 30 days of any failure suspected to be warrantable. The prescribed procedure is set out below.

3. The claimant shall deliver the engine or failed parts to the location nominated by ARCO.


Warranty Claim Procedure

The following procedures must be followed in strict detail to obtain prompt, complete and accurate evaluation of a warranty claim. Failure to adhere to the specified procedure will lead to delays and may result in refusal of the claim.


Only parts which have actually been assembled into an engine will be considered for warranty evaluation. Any parts which are alleged defective due to handling damage, packing errors, wrong parts, etc. must be returned separately for credit and should not be submitted as warranty material.

a) All warranty claims must be processed within 30 days of the date of the failure.

b) Parts must be accompanied by the following information:

1. A completely filled out claim form.

2. Clear and legal copies of all work orders and receipts for parts for the original engine build when the ARCO parts were first installed.

3. Clear and legal copies of all work orders and receipts for parts, or a detailed estimate of the parts and labor required for the repairs following the engine failure.

4. A completely filled out and signed report, giving as much detail as possible, regarding the circumstances of the failure, including a description of engine operating symptoms prior to failure.

5. E-mail the above information to your contact person at ARCO or to and attach a photocopy to the parts.

c) Parts returned for warranty analysis must be carefully packed and protected from shipping damage. Parts damaged in handing due to improper packing will be denied warranty consideration.

d) Warranty claims found to be incomplete or improperly submitted will be set aside and no action will be taken until the necessary additional parts and/or paperwork are received. We will inform the customer responsible for the claim of the additional parts or information needed to process the claim. If no response is received within 30 days, a follow-up letter will be sent. If no response is received within 15 days after the follow-up letter, the claim will be dropped and the returned goods discharged.

e) Following the evaluation of the parts and information submitted, we will make final determination of the cause of failure by providing a report of its findings for all claims determined to be non-warrantable. We cannot be held responsible for inaccuracies resulting from a lack of parts information.

f) We will hold the returned parts for a period of 30 days after completion of the evaluation.  At the end of this period, the parts will be discarded unless otherwise requested. Parts involved in claims found to be non-warrantable may be returned to the customer upon request, if made within the 30-day period following issuance of a report.

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  • TEL:886-4-23319797
  • FAX:886-4-23301507
  • 66 Sec. 2 Zhongtou West Road,
    Wufeng, Taichung 41355, Taiwan