Undertray / Engine Cover Shield – Audi A3/Q2 & VW Golf/Passat/Touran

Protect your engine, transmission and under-carriage from road debris, water, dirt, and salt with our durable Undertray / Under-Engine Cover Shield — a precision-fitted replacement for select Audi, VW and compatible vehicles. This undertray acts as a barrier between road surface hazards and vital mechanical components, safeguarding your oil pan, belts, pipes and wiring from stones, splash, and corrosion. In addition to protection, it helps maintain cleaner engine bays, improves under-body aerodynamics, reduces noise and reduces wear on under-car components — giving you greater longevity and peace of mind during everyday driving or long journeys.

OEM Number: 5Q0825236P, 5Q0825236Q, 5Q0825236K, 5Q0825236N, 5Q0825236J, 5Q0825236C

Quantity: 1

Our SKU: TFO5Q0825236K_94

All our Undertray Under Engine Cover shields are OEM quality and reliable after-market car parts. This Undertray Under Engine Cover Shield is specifically compatible with Audi: A3, Q2, VW: Arteon, Caddy, Golf, Golf Sportsvan, Golf Van, Passat, Passat Alltrack, and Touran.

Please use our make-model-year tool to check this part's compatibility with your vehicle. However, please note that our tool is for reference only and we recommend that you check the part number on your old unit prior to purchasing.

If you are still not sure about the compatibility of this part with your vehicle, please supply us with the VIN number or Reg number in our live chat or contact form! You can also find details on our purchasing & shipping guide here.

Frequently Asked Questions (FAQ)

Q: What is an undertray / engine splash shield and why is it needed?
A: An undertray (also called engine splash shield or skid-plate) is a protective panel mounted beneath the engine compartment. It shields vital components (engine, oil pan, transmission, exhaust, wiring, etc.) from road debris, water, salt, dust and impacts — hazards that can cause costly damage or corrosion over time.

Q: What are the benefits of fitting a proper undertray?
A: Key benefits include:

• Protection from rocks, debris, water and salt — reducing risk of dents, punctures, leaks, or corrosion.

• Keeps the engine bay and underside cleaner, preventing dust/mud ingress and reducing rust/contamination risk.

• Helps maintain under-body aerodynamics, which can improve fuel efficiency and reduce drag/noise.

• Reduces noise and vibration from road contact beneath the engine.

Q: Can I drive without an undertray / splash shield?
A: Technically, yes — the car will run. However, without a shield the engine and transmission remain exposed to road debris, water, salt and stones, increasing the risk of damage, corrosion, oil-pan puncture, electrical issues, and accelerated wear of under-car components.

Q: When should I replace the undertray / cover shield?
A: Replace it whenever it’s cracked, warped, hanging loose, missing clips/fasteners, or visibly damaged. Even minor damage can compromise its protective function. Many recommend inspection during routine maintenance or oil changes.

Q: Is this part a direct-fit replacement for Audi / VW cars?
A: Yes — this undertray is engineered as a direct-fit for compatible Audi / VW models (as per the product listing) to match mounting points and fitment requirements. Always double-check compatibility (model, engine/transmission variant) before ordering.

Q: Does installing an undertray affect maintenance (e.g. oil changes)?
A: In many cases, yes. The undertray must be temporarily removed to access the oil pan drain plug or other underside components, so ensure fasteners are intact and the shield is properly re-mounted to maintain protection.

Q: Will replacing a damaged undertray improve vehicle performance?
A: Indirectly, yes — by restoring under-body protection, airflow management and reducing unwanted noise or debris exposure. This helps maintain long-term reliability, corrosion resistance, and may contribute to more stable aerodynamics / fuel efficiency.