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Will a dealership install aftermarket parts on Reddit?

Dealerships typically install OEM or dealer-approved accessories rather than generic aftermarket parts, and they may decline installation of non-approved parts due to warranty, liability, and safety concerns.


On Reddit, car owners and technicians discuss a range of experiences when asking a dealership to install aftermarket parts. The consensus is that outcomes vary widely by brand, model, dealership policy, and the specific part in question. This article synthesizes common threads from Reddit threads and provides practical guidance for anyone considering asking a dealer to install aftermarket parts in 2024–2025.


What Reddit users commonly report about dealer-installed aftermarket parts


Reddit discussions tend to cluster around a few typical scenarios, from outright refusals to cautious acceptance of select, approved modifications. The following points capture the gist of those conversations.



  • Dealers often install dealer-installed accessories or OEM parts that are officially approved by the manufacturer (for example, roof racks, mud flaps, or specific city-approved electronics) for a fee.

  • Installing non-OEM aftermarket performance parts (such as tuning modules, exhausts, or cold-air intakes) is frequently declined due to warranty risk, liability concerns, and potential instrument cluster or emissions issues.

  • Some dealers will install aftermarket parts if they are explicitly approved by the manufacturer or are part of a factory-approved accessory program, with clear documentation of warranty and coverage limits.

  • When installations occur, service writers typically note any warranty implications, and some parts may not be covered under the vehicle’s warranty even if labor is performed by the dealership.

  • Reddit threads emphasize checking for regulatory and emissions compliance, as certain modifications can violate local laws or fail inspection requirements in some jurisdictions.


In short, whether a dealership will install aftermarket parts depends on the part, the vehicle, and the dealership’s policies, as well as manufacturer guidelines and local regulations.


How dealerships decide whether to install aftermarket parts


Several factors influence a dealership’s decision to install aftermarket parts. Understanding these can help you set expectations and plan accordingly.



  • Warranty considerations: Modifications that affect engine management, emissions, or safety systems can void or complicate factory warranty coverage.

  • Parts approval and policy: OEM or dealer-approved accessories are more likely to be installed; pure aftermarket parts without manufacturer endorsement are often refused.

  • Safety and regulatory compliance: Modifications affecting braking, suspension, or emissions must meet safety standards and local laws; dealers may decline if they think the part could create unsafe conditions or fail inspections.

  • Vehicle and model specifics: Some brands are stricter than others about modifications; newer vehicles may carry stricter policies, especially if still under active warranty.

  • Labour costs and liability: Dealers weigh the cost of installation against potential liability if the part fails or causes damage.

  • Brand and dealer policy: Some brands encourage or allow certain dealer-installed accessories; others emphasize OEM parts only and may not warranty aftermarket work.


These factors combine to create a wide spectrum of possible outcomes. If you plan to pursue aftermarket installation at a dealership, confirm policies in advance and request written documentation of any warranty implications.


Practical steps if you want a dealership to install aftermarket parts


To increase clarity and protect yourself, follow these steps before requesting a dealer installation of aftermarket parts.



  1. Identify the exact part and verify compatibility with your vehicle year, make, and model; assess whether the part is OEM, dealer-approved, or strictly aftermarket.

  2. Call the dealership’s service department to discuss policy before bringing the car in; ask whether they install aftermarket parts and whether doing so affects warranty coverage.

  3. Obtain a written estimate that itemizes parts and labor, plus a clear statement about warranty implications and return policies for both the part and installation.

  4. Consider using OEM or dealer-approved accessories when possible; if choosing aftermarket parts, ensure they come with a warranty and that the installation is performed by qualified technicians.

  5. If you proceed, request that the original parts be kept and documented in the vehicle’s service records in case you need to revert or resell the vehicle.


Notes on safety and warranty


Be mindful that modifications affecting safety or emissions can create legal or regulatory issues and may impact insurance or resale. Always prioritize parts and installations that are clearly documented as compatible with warranty terms or as dealer-approved options.


Additional considerations and best practices


Dealer-installed vs. third-party installation


Some dealerships offer “dealer-installed” accessories that are officially supported by the manufacturer, which typically preserves warranty coverage for those parts. Third-party installations arranged through a dealer are more complex and may carry different warranty considerations, depending on the dealer and the part.


Summary


Dealerships generally prefer OEM or dealer-approved accessories and are cautious about aftermarket parts that can affect warranty, safety, or emissions. Reddit conversations reflect a broad range of experiences, from outright refusals to selective installations when the part is manufacturer-approved or fits a dealer-installed program. If you want a dealership to install aftermarket parts, do your homework, ask for written confirmation of warranty implications, and consider alternative routes such as independent shops or OEM-approved options. Clear communication and documentation are essential to avoid surprises later.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.