Terms and Conditions for Repairs
Terms and Conditions for Repairs
DIESELCONTROL s.r.o.
Company ID No.: 04741587
VAT ID No.: CZ04741587
Registered office: U kněžské louky 2125/51, Žižkov, 130 00 Prague 3
Registered in the Commercial Register maintained by the Municipal Court in Prague, Section C, File No. 252945
Branch office and address for receiving orders, complaints, returns, and regular correspondence:
Na Kocandě 31, 412 01 Litoměřice
Contact details:
e-mail: info@diesel-control.cz
phone: +420 777 904 042
These General Terms and Conditions for Repairs (hereinafter referred to as the “GTC”) govern the rights and obligations of DIESELCONTROL s.r.o. as the contractor and the person ordering a repair, diagnostics, testing, refurbishment, or related service operation as the customer.
Effective from: 9 March 2026
I. Preamble and Definition of Terms
1.1 Scope of the GTC
These GTC apply to repairs, diagnostics, testing, refurbishment, and related service operations ordered by both business and non-business persons, unless expressly agreed otherwise.
1.2 Binding nature of the GTC
These GTC are binding for all services performed by the contractor for the customer. The customer confirms familiarity with these GTC in particular by signing the job sheet, confirming a quotation, sending an order by e-mail, or by any other demonstrable approval of the order.
1.3 Publication of the GTC
These GTC are published on the contractor’s websites www.diesel-control.eu and www.diesel-control.cz and are also available at the contractor’s premises.
1.4 Contractor
“Contractor” means DIESELCONTROL s.r.o., identified in the heading of these GTC.
1.5 Customer
“Customer” means the person who hands over an item for repair or orders diagnostics, testing, repair, refurbishment, or another service operation from the contractor.
1.6 Customer’s representative
“Customer’s representative” means a person acting on behalf of the customer, in particular an authorized agent, employee, or other authorized person. The contractor is entitled to require proof of identity and authority to act on behalf of the customer to the extent necessary for concluding and performing the contract.
1.7 Job sheet
“Job sheet” means the contractor’s form, which serves in particular as confirmation of receipt of the item, specification of the ordered operations, job record sheet, and contract or confirmation of conclusion of the contract.
1.8 Contract
“Contract” means a repair contract or other contract for work concluded between the contractor and the customer, the subject of which is in particular diagnostics, testing, repair, refurbishment, or another service intervention on the handed-over item.
1.9 Item
“Item” means in particular an injector, high-pressure pump, rail, control valve, sensor, nozzle, or another component of a diesel injection system that is the subject of diagnostics, testing, repair, or refurbishment.
1.10 Contractor’s premises
“Contractor’s premises” means the premises at Na Kocandě 31, 412 01 Litoměřice, unless expressly specified otherwise in a particular case.
1.11 Contractor’s contact details
The contractor’s contact details are stated in the heading of these GTC.
1.12 Civil Code
“Civil Code” means Act No. 89/2012 Coll., the Civil Code, as amended.
1.13 Method of communication
Unless agreed otherwise, the parties may also use e-mail communication or other demonstrable text communication for approving the price, scope of repair, deadline, extension of the order, and other operational matters.
II. Establishment of the Contractual Relationship
2.1 Conclusion of the contract
The contract is concluded in particular by:
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signing the job sheet by the customer and the contractor,
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confirmation of the quotation by the customer,
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acceptance of an e-mail or other text order by the contractor,
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or receipt of the item and confirmation of the order by the contractor.
2.2 Authority to act
It is assumed that the person who hands over the item for repair and orders the service is authorized to act on behalf of the customer. In case of doubt, the contractor is entitled to require proof of identity and authority to act.
2.3 Identification of the person
When receiving and handing over the item, the contractor is entitled to record the identification and contact details of the acting person to the extent necessary for concluding and performing the contract, protecting the contractor’s rights, and maintaining job records.
2.4 Consumer and commencement of performance before expiry of the withdrawal period
If the customer is a consumer and the contract is concluded remotely or outside the contractor’s business premises, the contractor may begin performance before expiry of the withdrawal period only upon the consumer’s express request made in text form. The consumer acknowledges that:
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if they withdraw from such a contract before the service has been fully provided, they are obliged to pay a proportional part of the price for the services already provided,
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the right of withdrawal expires only once the service has been fully provided and the consumer has been properly informed in advance.
III. Price of Repair and Diagnostics
3.1 Preliminary price
If possible when receiving the item, a preliminary price for the repair, diagnostics, or other service may be stated in the job sheet. This price is indicative unless expressly agreed as a fixed price.
3.2 If the price cannot be determined in advance
If the preliminary price cannot be determined when accepting the job, in particular due to the need for disassembly, measurement, diagnostics, or testing, the contractor shall inform the customer of the price or estimated price additionally after the necessary operations have been carried out.
3.3 Change in scope and price
If, during diagnostics or repair, the need for additional work or a higher price than the original estimate becomes apparent, the contractor shall inform the customer without undue delay. If the customer does not express their position without undue delay, but no later than within the period stated in the contractor’s notice, it shall be deemed that they agree to the change in price and scope of performance, provided this corresponds to the law and the nature of the specific relationship. In the case of a consumer, the contractor shall proceed in accordance with the relevant provisions of the Civil Code on an estimated price.
3.4 Refusal of repair after diagnostics
If, after diagnostics, disassembly, testing, or price assessment have been carried out, the customer does not approve the proposed repair, they are obliged to pay for the work already performed, in particular diagnostics, testing, disassembly, measurement, cleaning, and, where applicable, reassembly of the item, if such operations were carried out.
3.5 Reassembly without repair
If, after defects have been identified, the customer requests the return of the item without the proposed repair being carried out, they acknowledge that reassembly, if technically possible, is charged separately according to the contractor’s current price list. The customer further acknowledges that after disassembly and dismantling, it is not always possible to restore the item to its original condition without intervention or without loss of certain properties.
3.6 Price acceptance
Approval of the price or extension of the scope of the order may be made in particular by signing the job sheet, signing the quotation, by e-mail, or by other demonstrable text communication.
3.7 Deposit
The contractor is entitled to require an appropriate deposit from the customer, in particular for higher-value jobs, orders for special parts, refurbishment on an exchange basis, or non-standard jobs.
3.8 Deadline in case of deposit payment
If payment of a deposit is a condition for starting or continuing the repair, the agreed repair deadline shall run only from the date the deposit is credited to the contractor’s account, unless expressly agreed otherwise.
IV. Scope and Execution of the Repair
4.1 Scope of repair
The repair, diagnostics, or other service shall be carried out to the extent agreed in the job sheet, quotation, or other demonstrable confirmation of the order.
4.2 Spare parts
The customer agrees that, if original spare parts are unavailable, the contractor may, after agreement with the customer, use spare parts of equivalent quality.
4.3 Subsequently identified defects
If, during the repair, the need for a different or additional repair becomes apparent, the contractor shall inform the customer without undue delay and agree with them on the next steps.
4.4 Replaced parts
The customer is obliged to state no later than when handing over the item for repair whether they require the return of the replaced parts. If this is not agreed in advance, it is assumed that the replaced parts pass into the ownership of the contractor, except where the nature of the item or a special agreement excludes this.
4.5 Exchange-based repairs
In the case of refurbishment or repair on an exchange basis, the contractor is not obliged to return the original damaged or defective parts if delivery of an exchange part has been agreed.
4.6 Repairs according to the customer’s instructions
If, despite the contractor’s warning, the customer insists on a partial, non-standard, or technically less suitable repair, on the use of their own parts, on the re-use of certain worn parts, or on another atypical procedure, they bear the associated risks to the extent to which they were warned of them.
4.7 Collection of the repaired item by another person
If the item is collected after repair by a person other than the one who placed the order, the contractor is entitled to require proof of that person’s identity and authorization to collect the item.
V. Repair Completion Date
5.1 Completion date
If the completion date is stated as binding, the contractor shall make reasonable efforts to comply with it. If the date is not stated as binding, it is only indicative.
5.2 Change of deadline
If the scope of work changes, the availability of parts changes, or additional defects become apparent, the contractor is entitled to extend the deadline accordingly. The contractor shall inform the customer without undue delay of the change in the deadline and the reasons for it.
VI. Completion of the Work and Acceptance of the Item
6.1 Completion of the work
The work is completed when it has been finished and handed over to the customer.
6.2 Verification of functionality
The customer acknowledges that in the case of repairs to injectors, pumps, and other precision fuel system parts, it is not always possible to demonstrate their functionality under real operating conditions of a vehicle or machine at the contractor’s premises. The proper functionality of the repaired or tested part is verified in particular on testing equipment, and the result may be a test or measurement report.
6.3 Invitation to collect
After the repair or other service has been completed, the contractor shall invite the customer to collect the item and set a reasonable deadline for collection and payment of the price.
6.4 Handover of the item
Upon handover of the item, a handover report, confirmation on the job sheet, or another document may be drawn up stating in particular the scope of the service, the price, the date of handover, and any reservations of the customer.
6.5 Failure to collect and storage
If the customer does not collect the item even within the specified period, the contractor is entitled to charge reasonable storage costs according to the current price list, provided the customer was informed of this possibility in advance.
VII. Payment of the Repair Price
7.1 Due date of the price
The contractor’s right to payment of the price arises upon completion of the work. Unless agreed otherwise, the price is due upon collection of the item.
7.2 Invoice with due date
The contractor may allow the customer to pay the price on the basis of an invoice with a due date. Unless agreed otherwise, the due date of the invoice shall be 7 calendar days from the date of issue.
7.3 Electronic tax document
The customer agrees that the tax document may be sent electronically.
7.4 Retention of title to used parts
All new parts, exchange parts, and accessories used in the order remain the property of the contractor until the full price of the order has been paid, where the nature of the item allows this.
VIII. Right of Retention, Storage, and Self-Help Sale
8.1 Right of retention
The contractor is entitled to retain the item to secure their due claim against the customer in accordance with legal regulations.
8.2 Notice of retention
If the contractor exercises the right of retention, they shall inform the customer without undue delay.
8.3 Failure to collect the item
If the customer does not collect the item without undue delay after the work should have been completed, or after being informed of completion, the contractor may, after fulfilling the statutory conditions, sell the item in an appropriate manner on the customer’s account.
8.4 Additional period before sale
Unless excluded by the nature of the item, before the intended sale the contractor shall inform the customer and set an additional period for collection of the item, not shorter than one month.
8.5 Settlement of proceeds
The proceeds from the sale shall be used to cover the costs of sale, storage, and the contractor’s due claims, and any remainder shall be paid to the customer, if the nature and circumstances of the case allow it.
IX. Liability for Defects and Complaints
9.1 General provisions
The contractor’s liability for defects in the work is governed by the Civil Code. The work is defective if it does not comply with the contract.
9.2 Notification of defect
The customer is obliged to notify the defect without undue delay after discovering it or after they should have discovered it with due care.
9.3 Time limit for exercising rights arising from defects
The court shall not grant the customer rights arising from defective performance if the customer does not notify the defects without undue delay after discovering them or after they should have discovered them with due care, but no later than within two years from handover of the work, and if the contractor raises the objection of late notification.
9.4 Consumer complaint
If the customer is a consumer, the complaint, including the remedy of the defect, shall be resolved without undue delay, no later than within 30 days from the date of its submission, unless the parties agree on a longer period.
9.5 Submission of complaint
A complaint may be made in particular:
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in person or by post at the contractor’s premises,
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by e-mail to info@diesel-control.cz,
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or by another demonstrable method.
If necessary for the assessment of the complaint, the customer is obliged to deliver the complained item to the contractor.
9.6 Choice of rights arising from defective performance
The customer’s rights arising from defective performance are governed by the Civil Code, taking into account the nature of the work and whether the customer is a consumer or a business.
9.7 Typical reasons for rejection of a complaint
A complaint may in particular not be accepted if professional assessment proves that the complained defect:
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is unrelated to the repair performed or the part used,
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arose from improper installation or removal,
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arose from operation in a contaminated or otherwise unsuitable fuel system,
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arose from the use of unsuitable or contaminated fuel,
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arose from failure to comply with installation, service, or operating instructions,
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arose from intervention by a third party after the repair was carried out,
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corresponds to normal wear and tear or another circumstance for which the contractor is not liable.
9.8 No contractual quality guarantee unless agreed
The contractor does not provide a contractual quality guarantee unless expressly agreed otherwise in writing.
9.9 Quality guarantee provided in writing
If the contractor provides a quality guarantee, they shall notify the duration of the guarantee and the conditions for exercising it no later than upon handover of the item.
X. Special Provisions for Precision Common Rail and Fuel System Parts
10.1 Professional installation
The customer acknowledges that injectors, high-pressure pumps, rails, control valves, and other precision fuel system parts are intended for professional installation only.
10.2 Conditions for proper installation and operation
The customer acknowledges that for the proper functioning of repaired or refurbished parts, it is usually necessary in particular to:
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clean or, if necessary, replace the fuel tank,
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clean the entire fuel line and replace unsuitable hoses,
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use a new fuel filter of the appropriate quality,
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clean or, if necessary, replace the rail and related fittings,
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inspect the high-pressure pump and other related components,
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ensure cleanliness and proper bleeding of the fuel system,
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enter the injector calibration codes into the control unit if required by the specific system,
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carry out other operations stated in the report, installation instructions, or contractor’s instructions.
10.3 System contamination
The customer acknowledges that even short-term operation of a repaired or refurbished part in a contaminated fuel system may cause damage to it. The contractor is not liable for such damage.
10.4 Intervention by a third party
The contractor’s liability for defects shall cease to the extent that, after the repair has been carried out, the customer or a third party interfered with the repaired item without the contractor’s consent.
XI. Contractual Penalties and Costs
11.1 Delay in payment
If the customer is in delay with payment of the price, the contractor is entitled to statutory default interest unless agreed otherwise.
11.2 Storage costs
If the customer is in delay with collecting the item, the contractor is entitled to demand reasonable and demonstrable storage costs according to the current price list.
11.3 Compensation for damage
The contractor’s right to compensation for damage is not affected.
XII. Consumer Disputes and ADR
12.1 Out-of-court settlement of consumer disputes
If the customer is a consumer, the Czech Trade Inspection Authority, Štěpánská 567/15, 120 00 Prague 2, Company ID No.: 000 20 869, website: www.coi.cz, is competent for the out-of-court settlement of disputes arising from the contract.
XIII. Personal Data Protection
13.1 Processing of personal data
The contractor processes the customer’s personal data and, where applicable, the data of their representative to the extent necessary for concluding and performing the contract, maintaining job records, handling complaints, fulfilling legal obligations, and protecting the contractor’s legitimate interests.
13.2 Detailed information
Details of the processing of personal data are set out in a separate Personal Data Processing Policy published on the contractor’s website.
XIV. Final Provisions
14.1 Amendment of the GTC
The contractor reserves the right to amend these GTC. Any amendment of the GTC does not affect contracts concluded before the new wording takes effect.
14.2 Exclusion of third-party terms
The customer’s terms and conditions shall apply only if the contractor expressly accepts them in writing.
14.3 Governing law
Legal relations not governed by these GTC shall be governed by the law of the Czech Republic, in particular the Civil Code.
14.4 Severability
If any provision of these GTC is invalid or ineffective, this shall not affect the validity and effectiveness of the remaining provisions.
14.5 Reasonableness and interpretation
If the customer is a consumer, these GTC shall always apply only to the extent that they do not conflict with mandatory consumer protection provisions of law.
14.6 Effective date
These GTC take effect on 9 March 2026 and replace the previous general terms and conditions for repairs.

