Used 2018-2024 Audi S5 Sportback Engine Coolant Reservoir Cap Cover OEM

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Used 2018-2024 Audi S5 Sportback Engine Coolant Reservoir Cap Cover OEM

Name: Used 2018-2024 Audi S5 Sportback Engine Coolant Reservoir Cap Cover OEM
Brand: Audi
SKU: 2791-0310
Price: 16.88 USD
Availability: InStock

Fits / from: Audi S5 2018 Stock no.: 2791-0310 Category: Coolant Reservoir Cap Manufacturer part no. (MPN): 4M0-121-321-Q, 4M0-121-321 Condition: Used — OEM

$16.88

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✅ Genuine OEM — removed from a real vehicle in our US yard
✅ The photo is the exact part you receive
✅ Fitment-checked · free 30-day returns
✅ Talk to a real person — ask us anything

About this part

Original manufacturer (OEM) 2018-2024 Audi S5 Sportback Engine Coolant Reservoir Cap Cover OEM — pulled, inspected and photographed at our US warehouse. It fits Audi A4, Audi A4 Quattro, Audi A4 allroad and 11 more (2017–2025). Manufacturer part number (MPN): 4M0-121-321-Q, 4M0-121-321. In stock and ready to ship across the USA (free local pickup in New Jersey). What you see in the photos is the exact part you get — fitment-checked, free 30-day returns.

Not sure it fits your car? Send us a quick request — our team confirms fitment, availability and price fast.

Specifications

Category	Coolant Reservoir Cap
Fits / from	Audi S5 2018
MPN	4M0-121-321-Q, 4M0-121-321
Stock number	2791-0310
Condition	Used — OEM, tested
Availability	In stock

Fits these vehicles

This genuine used OEM part is confirmed to fit 526 vehicle configurations across the makes and models below — it was removed from a Audi S5 2018. Don’t see your exact car? Send a quick request and we’ll confirm fitment before you buy.

Vehicle	Years	Engine
Audi A4	2017–2020	2.0L
Audi A4 Quattro	2017–2021	2.0L
Audi A4 allroad	2017–2020	2.0L
Audi A5 Quattro	2018–2024	2.0L
Audi A5 Sportback	2018–2024	2.0L
Audi A6 Quattro	2019–2025	2.0L, 3.0L
Audi A6 allroad	2020–2025	3.0L
Audi A7 Sportback	2019–2025	2.0L, 3.0L
Audi A8 Quattro	2019–2025	3.0L, 4.0L
Audi Q5	2018–2025	2.0L
Audi Q5 PHEV	2020–2025	2.0L
Audi Q5 Sportback	2021–2025	2.0L
Audi Q7	2017–2025	2.0L, 3.0L
Audi Q8	2019–2020	3.0L

Showing 300 of 526 compatible configurations. Ask us to confirm your exact vehicle.

Questions & answers

Will this part fit my Audi S5?

It fits Audi A4, Audi A4 Quattro, Audi A4 allroad, Audi A5 Quattro and other models from 2017–2025. Send your exact car (make, model, year) and we confirm fitment before you buy.

Is this a genuine OEM part?

Yes — an original manufacturer (OEM) part removed from a real vehicle in our US yard, not an aftermarket copy.

What condition is it in?

Used and tested. The photos on this page are the exact item you receive — no stock photos.

How do I order — there is no online checkout?

Send a request with your name and phone. Our team confirms availability and price and helps you complete the purchase and shipping. Free 30-day returns.

Do you ship, or can I pick it up?

Free local pickup at our New Jersey yard, and we ship across the USA. Worldwide shipping is available on request.

What part numbers does this match?

This part matches MPN 4M0-121-321-Q, 4M0-121-321. These numbers identify interchangeable parts across vehicles — send us a number and we match it fast.

Used 2018-2024 Audi S5 Sportback Engine Coolant Reservoir Cap Cover OEM

About this part

Specifications

Fits these vehicles

Questions & answers

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