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Audi C4 S4 Quattro 20v T

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Audi C4 S4 Quattro 20v T Most Popular Parts

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Connecting Rod Nut - Priced Each

ES#11877 - 048105427 - Connecting Rod Nut - Priced Each - Secures the connecting rod end caps - Febi - Audi Volkswagen

Secures the connecting rod end caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11877
Mfg#:
048105427
Ships on Sep 15, 2026
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2535171 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - URO - Audi Volkswagen

Keep proper pressure on your coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535171
Mfg#:
443121321
Back Ordered
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - 1.8 bar

ES#3970952 - 056919081 - Oil Pressure Switch - 1.8 bar - Low pressure screw in oil pressure switch. M10x1 - Meyle - Audi Volkswagen

Low pressure screw in oil pressure switch. M10x1 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
AAN Engine Code Only

Brand:
Meyle - Corporate Logo
ES#:
3970952
Mfg#:
056919081
Ships on Oct 27, 2026
$8.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Seal

ES#273739 - 035121043 - Water Pump Seal - Keep your waterpump leak free! - Genuine Volkswagen Audi - Audi

Keep your waterpump leak free! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
273739
Mfg#:
035121043
Ships in 2 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#8692 - 074121121B - Thermostat Housing - Located behind water pump housing - MTC - Audi Volkswagen

Located behind water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
8692
Mfg#:
074121121B
Ships in 9 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Circlip - priced each

ES#2803533 - 113517279 - Circlip - priced each - Locks cv joint on shaft. 24.5x2 - Rein - Audi Volkswagen

Locks cv joint on shaft. 24.5x2 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803533
Mfg#:
113517279
Special Order: No Guaranteed ETA
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Lower Control Arm Bushing Sleeve - Priced Each

ES#3970708 - 4A0399413A - Front Lower Control Arm Bushing Sleeve - Priced Each - Sleeve that protects the inner bushing from the bolt - Meyle - Audi

Sleeve that protects the inner bushing from the bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970708
Mfg#:
4A0399413A
Ships on Oct 27, 2026
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Temperature Sensor

ES#2534318 - 12621288158 - Water Temperature Sensor - M14x1.5 Thread - URO - Audi BMW Volkswagen

M14x1.5 Thread affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534318
Mfg#:
12621288158
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Cap

ES#10455 - 443121321 - Expansion Tank Cap - Keep proper pressure on your coolant - Febi - Audi Volkswagen

Keep proper pressure on your coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
10455
Mfg#:
443121321
In Stock at Vendor
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Oil Line Gasket

ES#274125 - 035145773D - Turbo Oil Line Gasket - Gasket between upper oil line to turbo. Sits on top the turbo - Genuine Volkswagen Audi - Audi

Gasket between upper oil line to turbo. Sits on top the turbo affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274125
Mfg#:
035145773D
Ships in 1 day
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front lower control arm bushing sleeve - priced each

ES#2887251 - 4A0399413A - Front lower control arm bushing sleeve - priced each - Sleeve that protects the inner bushing from the bolt - Vaico - Audi

Sleeve that protects the inner bushing from the bolt affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2887251
Mfg#:
4A0399413A
In Stock at Vendor
$3.99

This product was last offered at the strikethrough price on
05-07-2026

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

Turbo Oil Line Gasket

ES#2339 - 035145757C - Turbo Oil Line Gasket - Gasket between lower oil return line & engine block - Victor Reinz - Audi

Gasket between lower oil return line & engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2339
Mfg#:
035145757C
In Stock at Vendor
$3.99

This product was last offered at the strikethrough price on
05-07-2026

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

Washer - Priced Each

ES#1299762 - N0115609 - Washer - Priced Each - Install new hardware with your new parts. 10.5x18x1.6 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 10.5x18x1.6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used in securing the turbo to the downpipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1299762
Mfg#:
N0115609
In Stock
Limited Qty Sale
$3.99

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

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

Brake Light Switch - 2 Pin

ES#2815755 - 443945515 - Brake Light Switch - 2 Pin - Located behind the brake pedal - Hamburg Tech - Audi

Located behind the brake pedal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815755
Mfg#:
443945515
Ships in 1 Business Day
$5.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Surround Band For Boost Gauge

ES#1899344 - CON028 - Rubber Surround Band For Boost Gauge - Ensure a snug fit for your aftermarket gauges - New South Performance - Audi Volkswagen

Ensure a snug fit for your aftermarket gauges affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
New South Performance - Corporate Logo
ES#:
1899344
Mfg#:
CON028
In Stock
Limited Qty Sale
$0.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multi Purpose Relay

ES#2709664 - 8522310 - Multi Purpose Relay - 4 Spade Connectors - URO - Audi Volkswagen Mercedes Benz Porsche

4 Spade Connectors affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709664
Mfg#:
8522310
Ships in 1 Business Day
$5.99

This product was last offered at the strikethrough price on
01-27-2026

$5.08 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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