Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi S4 Rear Axle Hardware

Sort By
Filter By
Return to Top

Drive Axle Shoulder Bolt - Priced Each

ES#436918 - 8E0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436918
Mfg#:
8E0407643A
In Stock
$7.40 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Triple Square Bolt - Priced Each

ES#5117 - N90668201 - Triple Square Bolt - Priced Each - Install new hardware with your new parts. M10x48x26 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10x48x26 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used to secure the driveshaft to the differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5117
Mfg#:
N90668201
In Stock
27% off MSRP

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

$10.99

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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#2802057 - 4B0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Rein - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802057
Mfg#:
4B0407643A
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Replacement Hardware Kit - priced each

ES#2769886 - n90668201kt - Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Genuine Volkswagen Audi - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2769886
Mfg#:
N90668201KT
Ships in 1-2 days
$82.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Replacement Hardware Kit - priced each

ES#2766119 - N91108201KT1 - Rear Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Genuine Volkswagen Audi - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2766119
Mfg#:
N91108201KT1
In Stock
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flange Shaft Bolt - Priced Each

ES#2872955 - N90097202 - Flange Shaft Bolt - Priced Each - Secures the axle assembly to the transmission. M10x48x26 - Febi - Audi

Secures the axle assembly to the transmission. M10x48x26 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872955
Mfg#:
N90097202
In Stock at Vendor
$7.99

This product was last offered at the strikethrough price on
04-12-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#1596898 - 4B0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1596898
Mfg#:
4B0407643A
Ships in 1-2 days
10% off MSRP

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

$41.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#2872498 - 8E0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Febi - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872498
Mfg#:
8E0407643A
In Stock
$7.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Replacement Hardware Kit - priced each

ES#2766114 - N91108201kt - Rear Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Assembled By ECS - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Torque Vectoring rear differential

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766114
Mfg#:
N91108201KT
In Stock
ON SALE! SAVE 25%
$31.99

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

$23.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Replacement Hardware Kit - priced each

ES#2769887 - N90668201KT1 - Rear Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Assembled By ECS - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2769887
Mfg#:
N90668201KT1
In Stock
ON SALE!
$52.99

This product was last offered at the strikethrough price on
05-01-2026

$50.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flange Shaft Bolt - Priced Each

ES#469135 - N90097204 - Flange Shaft Bolt - Priced Each - Secures the axle assembly to the transmission. M10x48x26 - Genuine Volkswagen Audi - Audi

Secures the axle assembly to the transmission. M10x48x26 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469135
Mfg#:
N90097204
Ships in 1-2 days
33% off MSRP

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

$2.99

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

$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#2802873 - 4B0407643 - Drive Axle Shoulder Bolt - Priced Each - Secures axle assembly to the hub. M14x1.5x73 - Rein - Audi Volkswagen

Secures axle assembly to the hub. M14x1.5x73 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802873
Mfg#:
4B0407643
In Stock
$9.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#366360 - 4B0407643 - Drive Axle Shoulder Bolt - Priced Each - Secures axle assembly to the hub. M14x1.5x73 - Genuine Volkswagen Audi - Audi Volkswagen

Secures axle assembly to the hub. M14x1.5x73 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
366360
Mfg#:
4B0407643
In Stock
9% off MSRP

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

$32.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CV Boot Shield - Left

ES#436924 - 8E0407719A - CV Boot Shield - Left - Bolts to transmission housing to protect your inner CV boot - Genuine Volkswagen Audi - Audi

Bolts to transmission housing to protect your inner CV boot affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436924
Mfg#:
8E0407719A
Ships in 4 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.

$115.99

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

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Axle Replacement Hardware Kit - priced each

ES#2769893 - N90097204KT1 - Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Assembled By ECS - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2769893
Mfg#:
N90097204KT1
In Stock at Vendor
ON SALE! SAVE 48%
$44.99

This product was last offered at the strikethrough price on
04-03-2026

$23.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Replacement Hardware Kit - priced each

ES#2769892 - n90097204kt - Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Genuine Volkswagen Audi - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2769892
Mfg#:
N90097204KT
Ships in 1-2 days
$79.99

This product was last offered at the strikethrough price on
04-06-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings