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Audi B8/B8.5 S4 Quattro 3.0T Rear Bumper Parts

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ES#4147363 - 028807ecs01KT - Audi B8.5 S4 / A4 S-Line Rear Diffuser - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Fits facelift B8.5 (2013+) models only

Brand:
ECS - Corporate Logo
ES#:
4147363
Mfg#:
028807ECS01KT
In Stock
$407.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4033487 - 028808ECS01 - Audi B8 S4 / A4 S-Line Rear Diffuser - Gloss Black - Add some aggressive styling to your Audi! - ECS - Audi

Add some aggressive styling to your Audi! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Fits pre-facelift B8 models only

Brand:
ECS - Corporate Logo
ES#:
4033487
Mfg#:
028808ECS01
In Stock
$420.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3085916 - 018359ECS01A - Audi B8.5 S4 / A4 S-Line Carbon Fiber Rear Diffuser - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
3085916
Mfg#:
018359ECS01A
In Stock
$1019.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751213 - 026861ECS01EBKT - Audi B8.5 S4 Facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits facelift B8.5 (2013+) models only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751213
Mfg#:
026861ECS01EBKT
In Stock
ON SALE! SAVE 49%
$785.48

This product was last offered at the strikethrough price on
05-05-2026

$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4044452 - 024846ecs01KT1 - Audi B8.5 S4 / A4 S-Line Rear Bumper Side Splitters - Gloss Black - Spice up the exterior of your Audi with gloss black spats! - ECS - Audi

Spice up the exterior of your Audi with gloss black spats! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Fits 2013+ A4 S-Line and S4 rear bumpers

Brand:
ECS - Corporate Logo
ES#:
4044452
Mfg#:
024846ECS01KT1
In Stock
$139.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4490851 - 018359ECS01-02 - Audi B8.5 S4 / A4 S-Line Forged Carbon Fiber Rear Diffuser - Hand-laid chopped carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid chopped carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

From the 2013 model year

Brand:
ECS - Corporate Logo
ES#:
4490851
Mfg#:
018359ECS01-02
In Stock
ON SALE! SAVE 30%
$998.99

This product was last offered at the strikethrough price on
05-02-2026

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3200799 - 021532ECS01A - Carbon Fiber Rear Diffuser - Audi B8 A4/S4 Pre-facelift - Hand-laid carbon fiber to upgrade your exterior styling - ECS - Audi

Hand-laid carbon fiber to upgrade your exterior styling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Up to the 2012 model year

Brand:
ECS - Corporate Logo
ES#:
3200799
Mfg#:
021532ECS01A
In Stock
ON SALE! SAVE 30%
$999.99

This product was last offered at the strikethrough price on
05-02-2026

$699.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3980508 - 034-605-0008 - Motorsport Tow Hook - 105mm - Engineered to not only be the best looking tow-hook on the market, but the strongest! - 034Motorsport - Audi Volkswagen

Engineered to not only be the best looking tow-hook on the market, but the strongest! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3980508
Mfg#:
034-605-0008
In Stock
$195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4751215 - 026861ECS01EB2KT - Audi B8 S4 Pre-facelift Rear Diffuser & Trunk Spoiler - Add some aggressive styling to your Audi! - Enthusiast Bundles - Audi

Add some aggressive styling to your Audi! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits pre-facelift B8 models only

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751215
Mfg#:
026861ECS01EB2KT
In Stock
ON SALE! SAVE 35%
$733.99

This product was last offered at the strikethrough price on
05-05-2026

$478.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2541561 - 8K5807067CGRU - S4/S-Line Rear Bumper Cover - Primed - Restore your exterior or upgrade your look - Genuine Volkswagen Audi - Audi

Restore your exterior or upgrade your look affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits facelift (2013+) models with parking aid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2541561
Mfg#:
8K5807067CGRU
Ships in 2 Business Days
9% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1688.99

This product was last offered at the strikethrough price on
06-12-2026

$1544.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#4641955 - E309 - Strap Style Tow Hook - Red - 5/8-11 Thread - Designed to handle any off-track adventure quickly and reliably - Rennline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle any off-track adventure quickly and reliably affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal 5/8-11 threads. Will not work on any OEM applications.

Brand:
Rennline - Corporate Logo
ES#:
4641955
Mfg#:
E309
In Stock
$145.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538523 - 8K5807303BGRU - S4/S-Line Rear Bumper Cover - Primed - Restore your exterior or upgrade your look - Genuine Volkswagen Audi - Audi

Restore your exterior or upgrade your look affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits pre-facelift (up to 2012) models without parking aid

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2538523
Mfg#:
8K5807303BGRU
Ships in 7 Business Days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$1240.00

This product was last offered at the strikethrough price on
06-12-2026

$1134.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#3569430 - 023419ECS01-05 - B8 A4/S4 Race Tow Strap - Red - Look great on the track or street! - ECS - Audi

Look great on the track or street! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
3569430
Mfg#:
023419ECS01-05
In Stock
ON SALE!
$115.99

This product was last offered at the strikethrough price on
05-02-2026

$112.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3569431 - 023419ECS01-06 - B8 A4/S4 Race Tow Strap - Black - Look great on the track or street! - ECS - Audi

Look great on the track or street! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! USE CODE ECS20 IN CART FOR BEST PRICE

Brand:
ECS - Corporate Logo
ES#:
3569431
Mfg#:
023419ECS01-06
In Stock
ON SALE! SAVE 53%
$106.99

This product was last offered at the strikethrough price on
05-02-2026

$50.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3142795 - AS410-CFRVP - Carbon Fiber Rear Valance w/Rear Splitter - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Deval - Corporate Logo
ES#:
3142795
Mfg#:
AS410-CFRVP
Special Order: No Guaranteed ETA
$1000.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#451244 - 8K0807521D1RR - S-Line Rear Diffuser - Platinum Grey - Featuring dual exit / single tip exhaust provisions - Genuine Volkswagen Audi - Audi

Featuring dual exit / single tip exhaust provisions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451244
Mfg#:
8K0807521D1RR
Ships in 1-2 days
8% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$260.00

This product was last offered at the strikethrough price on
06-12-2026

$237.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Rear Bumper Parts

Everything from OEM replacement rear bumpers and Aftermarket replacement rear bumpers to diffusers, rear bumper aero, and more!

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Manufacturer names and/or part numbers are used only for identification purposes.

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