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Audi A4 Most Popular Parts

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ES#4150357 - 078253039G - Exhaust Manifold Gasket - Priced Each - Fits the left and right side - Ajusa - Audi

Fits the left and right side Fits from VIN 8D-W-180001 - Split is in the 1998 model year

Brand:
Ajusa - Corporate Logo
ES#:
4150357
Mfg#:
078253039G
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
ES#3438918 - 06H103484A - Pressure Control Valve Gasket - Ensure a proper seal for the PCV or oil separator - Ajusa - Audi Volkswagen

Ensure a proper seal for the PCV or oil separator

Brand:
Ajusa - Corporate Logo
ES#:
3438918
Mfg#:
06H103484A
Ships in 3 Business Days
$28.99 USD
Free Shipping
on orders $49 and up
ES#2800413 - 078103385J - Cylinder Head Bolt Set - Set of 8 cylinder head torque-to-yield bolts. 16 bolts (two sets) needed if you're reinstalling both cylinder heads. - Ajusa - Audi

Set of 8 cylinder head torque-to-yield bolts. 16 bolts (two sets) needed if you're reinstalling both cylinder heads.

Brand:
Ajusa - Corporate Logo
ES#:
2800413
Mfg#:
078103385J
Ships in 3 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4811093 - 06E103483G - Valve Cover Gasket - Left - Avoid oil leaks with this new valve cover gasket - Ajusa - Audi

Avoid oil leaks with this new valve cover gasket

Brand:
Ajusa - Corporate Logo
ES#:
4811093
Mfg#:
06E103483G
Ships in 3 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2800287 - N0282222 - O-Ring - Priced Each - Ensure a proper seal with a new o-ring. 20x3.15 - Ajusa - Audi Volkswagen

Ensure a proper seal with a new o-ring. 20x3.15 Seals the pick-up tube to the oil pump

Brand:
Ajusa - Corporate Logo
ES#:
2800287
Mfg#:
N0282222
Ships in 3 Business Days
$0.99 USD
ES#5341266 - 078198025 - Valve Cover Gasket Set - Priced Each - Exact fit for left and right side valve covers - two required for servicing both banks. - Ajusa - Audi Volkswagen

Exact fit for left and right side valve covers - two required for servicing both banks.

Brand:
Ajusa - Corporate Logo
ES#:
5341266
Mfg#:
078198025
Ships in 3 Business Days
$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2800365 - 078103385K - Cylinder Head Bolt Set (11 X 133mm) - Ensure a perfect seal and proper compression when reinstalling your cylinder head. - Ajusa - Audi

Ensure a perfect seal and proper compression when reinstalling your cylinder head.

Brand:
Ajusa - Corporate Logo
ES#:
2800365
Mfg#:
078103385K
Ships in 3 Business Days
$31.99 USD
Free Shipping
ES#2739508 - 29061-2KT - Cup Kit - H&R Sport Springs With Bilstein Sport Shocks - Perfect combination of handling & ride quality - Assembled By ECS - Audi

Perfect combination of handling & ride quality 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
2739508
Mfg#:
29061-2KT
Ships in 1 Business Day
$1593.99

This product was last offered at the strikethrough price on
10-01-2026

$1273.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5482538 - CTSHW083KT - CTS Turbo Throttle Body Spacer Kit  With 1/8" NPT Block-Off Plug - Boost your mid-range torque instantly while keeping your options open for future water-methanol injection setups. - Assembled By ECS - Audi Volkswagen

Boost your mid-range torque instantly while keeping your options open for future water-methanol injection setups. 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
5482538
Mfg#:
CTSHW083KT
Ships in 7 Business Days
$71.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2561570 - 4A0301DXSGMTKT - Performance Front Brake Service Kit - Featuring ECS V5 Drilled & Slotted rotors and ECS EP24 Enthusiast Performance Pads - Assembled By ECS - Audi

Featuring ECS V5 Drilled & Slotted rotors and ECS EP24 Enthusiast Performance Pads 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
2561570
Mfg#:
4A0301DXSGMTKT
Ships in 5 Business Days
$476.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3537582 - 025997ECS0531KT - Performance Front Brake Service Kit - Featuring ECS V5 Slotted rotors and ECS EP24 Enthusiast Performance Pads - Assembled By ECS - Audi

Featuring ECS V5 Slotted rotors and ECS EP24 Enthusiast Performance Pads 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE

Brand:
Assembled By ECS - Corporate Logo
ES#:
3537582
Mfg#:
025997ECS0531KT
Ships in 5 Business Days
$528.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2608134 - 030121121BKT2 - Cooling System Refresh Kit - Level 2 - Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! - Assembled By ECS - Audi

Replace your thermostat, temp sensors, and expansion tank after performing a proper coolant system flush! 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Engine code AEB from VIN 8D-W-007800 up to VIN 8D-X-500000, splits are in the 1998-1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2608134
Mfg#:
030121121BKT2
Ships in 1 Business Day
$158.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2973044 - 078117021AKT -  Oil Cooler Replacement Kit  - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973044
Mfg#:
078117021AKT
Ships in 1 Business Day
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#5471154 - 8w0412377b1KT1 - Front Upper Strut Mount - Pair - Keep your suspension in top shape - Assembled By ECS - Audi

Keep your suspension in top shape 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
For models with standard & sport suspension (PR-Codes 1BA, 1BE)

Brand:
Assembled By ECS - Corporate Logo
ES#:
5471154
Mfg#:
8W0412377B1KT1
In Stock at Vendor
$125.99 USD
Free Shipping
on orders $49 and up
ES#2561907 - 8E0601PGMTXSKT - Performance Rear Brake Service Kit - Featuring ECS V5 Drilled & Slotted rotors and ECS EP24 Enthusiast Performance pads - Assembled By ECS - Audi

Featuring ECS V5 Drilled & Slotted rotors and ECS EP24 Enthusiast Performance pads 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
For models with 245x10mm rotors

Brand:
Assembled By ECS - Corporate Logo
ES#:
2561907
Mfg#:
8E0601PGMTXSKT
Ships in 5 Business Days
$440.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2724088 - 06A115561BPSKT - Oil Service Kit  - Includes standard Mann oil filter and Vaico 5w-40 oil - Assembled By ECS - Audi Volkswagen

Includes standard Mann oil filter and Vaico 5w-40 oil 10X Entries Into Our F80 M3 Sweepstakes USE CODE KIT15 IN CART FOR BEST PRICE
Engine code AEB up to VIN 8D-X-199999, split is in the 1999 model year (with the original oil pan)

Brand:
Assembled By ECS - Corporate Logo
ES#:
2724088
Mfg#:
06A115561BPSKT
Ships in 1 Business Day
$95.99

This product was last offered at the strikethrough price on
09-11-2026

$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

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