Inner Structure for 2008 Audi R8
No.
Part # / Description / Price
Price
2
Frame Side Member Assembly 
Audi
Audi Description: Front inner structure, front inner structure. This genuine Audi Frame Side Member Assembly, part number 420-805-021-A, carries structural load and defines the mounting geometry that suspension and body panels reference, which is why dimensional accuracy matters more here than cosmetics. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Use the fitment guide or contact our parts team to confirm the correct application.
2
Frame Side Member Assembly Audi
Audi Positions: Front right upper
Description: Genuine Audi Frame Side Member Assembly 420-805-140-C. This original equipment component carries structural load and defines the mounting geometry that suspension and body panels reference, which is why dimensional accuracy matters more here than cosmetics. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Confirm fitment against your vehicle identification number before ordering.
3
Frame Side Member Reinforcement Audi
Audi Positions: Right
Description: Genuine Audi Frame Side Member Reinforcement 420-806-619. This original equipment component carries structural load and defines the mounting geometry that suspension and body panels reference, which is why dimensional accuracy matters more here than cosmetics. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Fitment varies by model year, trim, and option content, so verify before ordering.
4
Radiator Support Panel Audi
Audi Notes: PARTS: Part included with front inner structure.
Description: Genuine Audi Radiator Support Panel 420-805-851-B. This original equipment component moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Check the applications list or supply your VIN to confirm this part fits your vehicle.
5
Radiator Support Panel Reinforcement Audi
Audi Notes: PARTS: Part included with front crossmember.
Description: Radiator Support Panel ReinforCement. Included with: Front Crossmember.
Fits R8. Audi part number 420-805-563-E, the factory Radiator Support Panel Reinforcement, moves heat out of the engine and charge air circuits, and because modern Audi engines run ...
6
Radiator Support Bracket Audi
Audi Positions: Left
Description: Audi part number 420-805-364, the factory Radiator Support Bracket, is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $15.58
$10.59
MSRP $15.58
$10.59
11
Frame Side Member Crossmember Sleeve Audi
Audi Positions: Left
Notes: PARTS: Part included with crossmember.
Description: Audi part number 420-805-179-C, the factory Frame Side Member Crossmember Sleeve, carries structural load and defines the mounting geometry that suspension and body panels reference, which is why dimensional accuracy matters more here than cosmetics. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Check the applications list or supply your VIN to confirm this part fits your vehicle.
12
Frame Side Member Crossmember Bracket Audi
Audi Notes: PARTS: Part included with crossmember.
Description: The original equipment Audi Frame Side Member Crossmember Bracket supplied under part number 420-805-533-A is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Check the applications list or supply your VIN to confirm this part fits your vehicle.
13
Frame Side Member Crossmember Bracket Audi
Audi Notes: PARTS: Part included with crossmember.
Description: The original equipment Audi Frame Side Member Crossmember Bracket supplied under part number 420-805-668-A is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Fitment varies by model year, trim, and option content, so verify before ordering.
23
Radiator Support Side Panel Audi
Audi Positions: Right
Description: The original equipment Audi Radiator Support Side Panel supplied under part number 420-806-592-A moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $204.98
$156.81
MSRP $204.98
$156.81
23
Radiator Support Side Panel Audi
Audi Positions: Left
Description: Audi part number 420-806-591-A, the factory Radiator Support Side Panel, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Use the fitment guide or contact our parts team to confirm the correct application.
24
Suspension Strut Brace Audi
Audi Positions: Left
Notes: PARTS: Part included with front inner structure.
Description: Genuine Audi Suspension Strut Brace 420-804-133-D. This original equipment component controls wheel motion and isolates the body from road input, so its spring rate, damping, and bushing compliance set both ride quality and the alignment geometry the tires actually see. Every genuine Audi part is validated against the same specification as the original equipment component. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $487.48
$370.00
MSRP $487.48
$370.00
24
Suspension Strut Brace Audi
Audi Positions: Right
Notes: PARTS: Part included with front inner structure.
Description: This genuine Audi Suspension Strut Brace, part number 420-804-134-D, controls wheel motion and isolates the body from road input, so its spring rate, damping, and bushing compliance set both ride quality and the alignment geometry the tires actually see. Every genuine Audi part is validated against the same specification as the original equipment component. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $487.48
$370.00
MSRP $487.48
$370.00
25
Frame Side Member Crossmember Audi
Audi Notes: PARTS: Part included with front inner structure.
Description: This factory Audi Frame Side Member Crossmember (420-803-531-B) carries structural load and defines the mounting geometry that suspension and body panels reference, which is why dimensional accuracy matters more here than cosmetics. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $470.81
$357.35
MSRP $470.81
$357.35
26
Frame Side Member Crossmember Bracket Audi
Audi Description: Upper. Genuine Audi Frame Side Member Crossmember Bracket 420-806-455-D. This original equipment component is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Check the applications list or supply your VIN to confirm this part fits your vehicle.
27
Frame Side Member Crossmember Bracket Audi
Audi Description: Lower. Audi part number 420-805-491-A, the factory Frame Side Member Crossmember Bracket, is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Use the fitment guide or contact our parts team to confirm the correct application.