2013-2018 Audi A8/S8 Auxiliary Radiator Mount Bracket Left 4H0121239B

OEM Part #: 4H0-121-239-B (4H0121239B)

$79.49
Side: Left Used
Donor2015 Audi A8 · 4.0L
SKU: 674675 · 30-Day Returns
✓ Free Same Day Shipping on orders by noon CT
Only 1 in stock — no guaranteed restock
Auxiliary Radiator Mount Bracket 4H0121239B — Used (SKU 674675)
Genuine OEM Used SKU: 674675 Donor Vehicle: 2015 Audi A8 · 4.0L 2 photos
$79.49
30-Day Returns
  • Genuine OEM — real photos
  • 30-day returns on eligible parts
  • eBay Top Rated · 100,000+ positive ratings
  • Ships from our own indoor warehouse

This used OEM Audi Auxiliary Radiator Mount Bracket (part 4H0121239B) is the left-side bracket that secures the auxiliary radiator in place. It was removed from a donor Audi A8 Quattro or S8. A damaged or missing bracket can allow the auxiliary radiator to shift or vibrate, potentially causing cooling system leaks or contact with other components. Direct bolt-in replacement for the original part.

Specifications

Specifications for Auxiliary Radiator Mount Bracket 4H0121239B
Fits Vehicle ModelA8, S8
Fits Vehicle MakeAudi
OEM Part No4H0-121-239-B (4H0121239B)
SideLeft
CategoryCore Support

Compatible Vehicles

Fits 24 vehicle configurations across 1 make, 2013-2018.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A8 2013-2018 · 18 variants 9 with notes
  • S8 2013-2018 · 6 variants 6 with notes
View all 24 vehicle configurations — 15 with fitment notes
Full vehicle fitment list for Auxiliary Radiator Mount Bracket 4H0121239B
Year Make Model Trim Engine Note
2013 Audi A8 Quattro Sedan 3.0L V6 Supercharged
2013 Audi A8 Quattro Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CEUA
2013 Audi A8 Quattro L Sedan 3.0L V6 Supercharged
2013 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CEUA
2013 Audi S8 Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CEUA
2014 Audi A8 Quattro Sedan 3.0L V6 Supercharged
2014 Audi A8 Quattro Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CEUA
2014 Audi A8 Quattro L Sedan 3.0L V6 Supercharged
2014 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CEUA
2014 Audi S8 Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CEUA
2015 Audi A8 Quattro Sedan 3.0L V6 Supercharged
2015 Audi A8 Quattro Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2015 Audi A8 Quattro L Sedan 3.0L V6 Supercharged
2015 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2015 Audi S8 Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2016 Audi A8 Quattro L Sedan 3.0L V6 Supercharged
2016 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2016 Audi S8 Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2017 Audi A8 Quattro L Sedan 3.0L V6 Supercharged
2017 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2017 Audi S8 Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2018 Audi A8 Quattro L Sedan 3.0L V6 Supercharged
2018 Audi A8 Quattro L Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF
2018 Audi S8 Sedan 4.0L V8 Turbo For Vehicles with Engine Code(s) CTGA, CTGF

Ask a parts specialist

Asking about: Auxiliary Radiator Mount Bracket 4H0121239B · OEM #4H0121239B