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Audi C5 S6 Quattro 4.2

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Audi C5 S6 Quattro 4.2 Fasteners

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M6 Locking Hex Nut - Priced Each

ES#4069258 - 94235A080 - M6 Locking Hex Nut - Priced Each - Cadmium-Plated Steel for corrosion resistance in wet environments - plating also adds lubricity, so they thread on smoothly. - Bremmen Parts - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Cadmium-Plated Steel for corrosion resistance in wet environments - plating also adds lubricity, so they thread on smoothly. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4069258
Mfg#:
94235A080
In Stock
ON SALE! SAVE 20%
$3.99

This product was last offered at the strikethrough price on
05-29-2026

$3.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Sleeve Clamp - 76.2mm

ES#2702769 - BK7333222 - Stainless Steel Sleeve Clamp - 76.2mm - Highly flexible sleeve clamp, great for custom applications - NAPA - Audi BMW Volkswagen Porsche

Highly flexible sleeve clamp, great for custom applications

Brand:
NAPA - Corporate Logo
ES#:
2702769
Mfg#:
BK7333222
Ships in 3 Business Days
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Speed Nut - Priced Each

ES#9521 - 8D0807192 - Speed Nut - Priced Each - Install new hardware with your new parts. 4x11 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 4x11

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
9521
Mfg#:
8D0807192
Ships in 3 Business Days
17% off MSRP

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

$5.99

This product was last offered at the strikethrough price on
08-10-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tapping Screw - Priced Each

ES#1376227 - 90014410102 - Tapping Screw - Priced Each - 4.8 x 19mm - Genuine Porsche - Audi BMW Volkswagen Mercedes Benz MINI Porsche

4.8 x 19mm

Brand:
Genuine Porsche - Corporate Logo
ES#:
1376227
Mfg#:
90014410102
Ships in 4 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#466954 - N0245054 - Hose Clamp - Priced Each - 50-70x9x.5mm - Genuine Volkswagen Audi - Audi

50-70x9x.5mm

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466954
Mfg#:
N0245054
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex-Head Bolt - Priced Each

ES#1375356 - 90007526002 - Hex-Head Bolt - Priced Each - M6 x 16mm - Genuine Porsche - Audi Volkswagen Porsche

M6 x 16mm

Brand:
Genuine Porsche - Corporate Logo
ES#:
1375356
Mfg#:
90007526002
Ships in 4 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Head Bolt - Priced Each

ES#1375912 - 90011905202 - Allen Head Bolt - Priced Each - M8 x 16mm - Genuine Porsche - Audi BMW Volkswagen Mercedes Benz MINI Porsche

M8 x 16mm

Brand:
Genuine Porsche - Corporate Logo
ES#:
1375912
Mfg#:
90011905202
Ships in 4 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Head Bolt - priced each

ES#2222296 - 91290A231 - Allen Head Bolt - priced each - M5x.8mmx15mm - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

M5x.8mmx15mm 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2222296
Mfg#:
91290A231
In Stock
ON SALE! SAVE 80%
$4.99

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

$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt (M8x32) - Priced Each

ES#467421 - N10106902 - Bolt (M8x32) - Priced Each - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467421
Mfg#:
N10106902
Ships in 3 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Torx Screw

ES#1509301 - 99907351601 - Torx Screw - M6 x 10mm - Genuine Porsche - Audi BMW Volkswagen Mercedes Benz MINI Porsche

M6 x 10mm

Brand:
Genuine Porsche - Corporate Logo
ES#:
1509301
Mfg#:
99907351601
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

12mm Flat Washer - Pack Of 100

ES#5354 - N115311 - 12mm Flat Washer - Pack Of 100 - Standard 12mm flat washers, pack of 100 washers - OE Aftermarket - Audi BMW Volkswagen MINI Porsche

Standard 12mm flat washers, pack of 100 washers

Brand:
OE Aftermarket - Corporate Logo
ES#:
5354
Mfg#:
N115311
In Stock at Vendor
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#11928 - N10215502 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x28 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M10x28

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11928
Mfg#:
N10215502
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.

$10.99

This product was last offered at the strikethrough price on
08-10-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#470243 - N90581804 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x28 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x28

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470243
Mfg#:
N90581804
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Washer - Priced Each

ES#8502 - wafwcsl_m13 - Stainless Steel Washer - Priced Each - 10mm - ECS - Audi BMW Volkswagen Mercedes Benz MINI Porsche

10mm 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
8502
Mfg#:
WAFWCSL_M13
In Stock
ON SALE! SAVE 25%
$1.99

This product was last offered at the strikethrough price on
06-13-2026

$1.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt, (6x1.0x20)-100 Pack

ES#5843 - n102174 100p - Hex Bolt, (6x1.0x20)-100 Pack - Pack of 100 6x20 hex bolts, fully threaded - OE Aftermarket - Audi BMW Volkswagen Porsche

Pack of 100 6x20 hex bolts, fully threaded

Brand:
OE Aftermarket - Corporate Logo
ES#:
5843
Mfg#:
N102174 100P
In Stock
ON SALE! SAVE 10%
$20.99

This product was last offered at the strikethrough price on
08-04-2026

$18.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#4776 - 12X15X40HD BOLT - Allen Bolt - Priced Each - 12.9 hardness, no shoulder (12x1.5x40) - ECS - Audi BMW Volkswagen Porsche

12.9 hardness, no shoulder (12x1.5x40) 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4776
Mfg#:
12X15X40HD BOLT
Ships in 6 Business Days
ON SALE! SAVE 25%
$23.99

This product was last offered at the strikethrough price on
06-13-2026

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Fasteners

Whether you're doing a stock repair or adding an aftermarket accessory, using the right fasteners will keep things tight and rattle-free.

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

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