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Audi C4 S4 Quattro 20v T Engine Parts & Accessories

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ES#4906329 - 861399 - Zerex Coolant / Antifreeze - Pink G40 (Prediluted) 1 Gallon - MBZ Approval: 325.5 / 325.6 - Zerex - Audi Volkswagen Mercedes Benz Porsche

MBZ Approval: 325.5 / 325.6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
4906329
Mfg#:
861399
In Stock at Vendor
$28.99

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

$27.99 USD
Free Shipping
on orders $49 and up
ES#4030831 - 6V0955485 - Washer Fluid Reservoir Cap - Funnel Style - Top your windshield washer fluid off without spilling! - Genuine Skoda - Audi Volkswagen

Top your windshield washer fluid off without spilling! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Skoda - Corporate Logo
ES#:
4030831
Mfg#:
6V0955485
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4158836 - 034-106-5015 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR - 034Motorsport - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 3.3-5 BAR affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4158836
Mfg#:
034-106-5015
In Stock
$129.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3420837 - 00004330575 - G12++ / G40 Coolant Concentrate - 1 Gallon (3.78 Liters) - Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. - Zerex - Audi Volkswagen Mercedes Benz Porsche

Pink ZEREX G-40 formula, comes in a concentrate, requires dilution with distilled water. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
3420837
Mfg#:
00004330575
Back Ordered
$40.99

This product was last offered at the strikethrough price on
03-29-2026

$29.99 USD
Free Shipping
on orders $49 and up
ES#1884221 - SP3-5L - Pento Super Performance III 504.00 / 507.00 Engine Oil (5w-30) - 5 Liter - Designed to replace all the previous VAG oil specifications. Must be used in the newest TDI engines. - Pentosin - Audi BMW Volkswagen Mercedes Benz Porsche

Designed to replace all the previous VAG oil specifications. Must be used in the newest TDI engines. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
1884221
Mfg#:
SP3-5L
Ships in 8 Business Days
$72.74 USD
Free Shipping
on orders $49 and up
ES#2467 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Febi - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 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#:
2467
Mfg#:
N90316802
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#591 - 06A115561B - Oil Filter - Priced Each - Replaces OEM# 06A115561B Keep debris out of your oil and keep your engine running healthy - Mann - Audi Volkswagen

Replaces OEM# 06A115561B Keep debris out of your oil and keep your engine running healthy affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mann - Corporate Logo
ES#:
591
Mfg#:
06A115561B
In Stock
$8.83 USD
Free Shipping
on orders $49 and up
ES#3478523 - 06249 - Edge European Formula Full Synthetic Engine Oil (5w-40) - 1 Quart - Meets VAG 502.00/505.00 and Porsche A40 specifications - Castrol - Audi Volkswagen

Meets VAG 502.00/505.00 and Porsche A40 specifications affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Castrol - Corporate Logo
ES#:
3478523
Mfg#:
06249
In Stock
$16.01

This product was last offered at the strikethrough price on
05-19-2026

$14.62 USD
Free Shipping
on orders $49 and up
ES#1457 - 034198012M - Cylinder Head Gasket Set - The complete kit to reinstall your head. - Victor Reinz - Audi

The complete kit to reinstall your head. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
1457
Mfg#:
034198012M
In Stock
$219.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5705 - 000198501BLK - Adjustable Fuel Pressure Regulator & Gauge Kit - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5705
Mfg#:
000198501BLK
In Stock
ON SALE!
$265.99

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

$252.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4338188 - 2101 - 12.0" 3.75mm (5/32") ID Black Silicone Vacuum Hose - ECS - Audi BMW Volkswagen Mercedes Benz

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4338188
Mfg#:
2101
In Stock
ON SALE! SAVE 25%
$33.99

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

$25.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3509345 - S15 - High Performance Stainless Steel Oil Filter - Reusable Micronic Oil Filter with Machine Finished End Caps - K&P Engineering - Audi BMW Volkswagen

Reusable Micronic Oil Filter with Machine Finished End Caps affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
**Lifetime oil filter: Never change your filter again, just wash and reuse**

Brand:
K&P Engineering - Corporate Logo
ES#:
3509345
Mfg#:
S15
Ships in 7 Business Days
$189.00 USD
Free Shipping
ES#4000041 - 302229 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm Bore (0.50 oversize), 8.5:1 CR, 86.4mm stroke - JE Piston - Audi

Includes rings, wire locks, and wrist pins - 81.5mm Bore (0.50 oversize), 8.5:1 CR, 86.4mm stroke affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4000041
Mfg#:
302229
Back Ordered
$1099.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Includes rings, wire locks, and wrist pins - 81.0mm Bore (stock), 8.5:1 CR, 86.4mm stroke affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JE Piston - Corporate Logo
ES#:
4000051
Mfg#:
302228
Back Ordered
$1099.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#10206 - 4A0905351A - Ignition Control Unit - Priced Each - Cure misfires and clear the check engine light - Beru - Audi

Cure misfires and clear the check engine light affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Beru unit that is mounted on right firewall, there is two per car

Brand:
Beru - Corporate Logo
ES#:
10206
Mfg#:
4A0905351A
In Stock at Vendor
$79.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4761007 - 034129101B - Pressure Control Valve (PCV) - Located on the turbo inlet pipe. 19mm - Rein - Audi Volkswagen

Located on the turbo inlet pipe. 19mm 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#:
4761007
Mfg#:
034129101B
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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