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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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ES#2847841 - 12404 -  Euro-Series Engine Oil (5w-40) - 1 Quart - Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology - Redline - Audi BMW Volkswagen

Ideally suited for modern gasoline and diesel engines with multi-valve and turbocharging technology

Brand:
Redline - Corporate Logo
ES#:
2847841
Mfg#:
12404
In Stock
$18.20 USD
Free Shipping
on orders $49 and up
ES#3364 - 058145703KO4 - K04 0015 Turbocharger - Great bolt on performance upgrade that can be used with or without specific programming - BorgWarner - Audi Volkswagen

Great bolt on performance upgrade that can be used with or without specific programming

Brand:
BorgWarner - Corporate Logo
ES#:
3364
Mfg#:
058145703KO4
Back Ordered
$1831.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4766620 - EXPRIS27 - Forged Head Studs for 1.8T 20V 137MM - Set Of 10  - Upgrade the head studs for your 20v 1.8t for higher boost builds! - SPA Performance - Audi Volkswagen

Upgrade the head studs for your 20v 1.8t for higher boost builds!

Brand:
SPA Performance - Corporate Logo
ES#:
4766620
Mfg#:
EXPRIS27
In Stock
$125.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3625894 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - URO - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-300000, split is in the 1999 model year

Brand:
URO - Corporate Logo
ES#:
3625894
Mfg#:
068117021B
Ships in 2 Business Days
$48.99

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

$27.80 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864596 - 034-509-0005 - Motorsport Street Density Motor Mount Kit - The ultimate in performance and durability - 034Motorsport - Audi Volkswagen

The ultimate in performance and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864596
Mfg#:
034-509-0005
In Stock
$359.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3420790 - g013a8jm1kt5 - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 4.5 liters of G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3420790
Mfg#:
G013A8JM1KT5
In Stock
ON SALE!
$152.99

This product was last offered at the strikethrough price on
06-18-2026

$149.57 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2575944 - N0444115HWKT-1 - Exhaust Manifold Installation Kit - Includes the necessary hardware and gasket to install the manifold - Assembled By ECS - Audi Volkswagen

Includes the necessary hardware and gasket to install the manifold 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2575944
Mfg#:
N0444115HWKT-1
In Stock
ON SALE! SAVE 12%
$134.99

This product was last offered at the strikethrough price on
10-28-2026

$119.11 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2581847 - 036109675 - Valve Stem Seal - Priced Each - Seals the valve stem in the cylinder head. 6mm - Elring - Audi Volkswagen

Seals the valve stem in the cylinder head. 6mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2581847
Mfg#:
036109675
In Stock
$2.98 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2561325 - 06C905115M2KT - Ignition Service Kit - Includes four OE red coil packs and four NGK platinum spark plugs - Assembled By ECS - Audi Volkswagen

Includes four OE red coil packs and four NGK platinum spark plugs 10X Entries Into Our F80 M3 Sweepstakes
Updated push-down style coil packs

Brand:
Assembled By ECS - Corporate Logo
ES#:
2561325
Mfg#:
06C905115M2KT
In Stock
ON SALE!
$186.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#252012 - 058109229B - Timing Chain - Priced Each - Connects the camshafts together around the tensioner - Iwis - Audi Volkswagen

Connects the camshafts together around the tensioner

Brand:
Iwis - Corporate Logo
ES#:
252012
Mfg#:
058109229B
In Stock
$64.51

This product was last offered at the strikethrough price on
09-30-2026

$47.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE!
$195.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4361430 - IECVA2-1 - IE Street/Race Exhaust Camshaft - IE Street/Race Exhaust Camshaft for 400+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street/Race Exhaust Camshaft for 400+ Horsepower Builds!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361430
Mfg#:
IECVA2-1
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4007156 - 034-106-6001 - Billet Drop-In Fuel Pump Adapter Kit - This bracket adapts high-flow 39mm fuel pumps to be installed directly into the factory basket (AEM, Aeromotive, Walbro). - 034Motorsport - Audi

This bracket adapts high-flow 39mm fuel pumps to be installed directly into the factory basket (AEM, Aeromotive, Walbro). 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4007156
Mfg#:
034-106-6001
In Stock
$116.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3175519 - 252561M - Cat-Back Exhaust System  - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler For use with factory downpipe

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175519
Mfg#:
252561M
Ships in 10 Business Days
$687.99 USD
ES#513369 - N90813202 - Oil Drain Plug - Includes crush washer. M14x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Includes crush washer. M14x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
513369
Mfg#:
N90813202
In Stock
3% off MSRP

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

$7.80

This product was last offered at the strikethrough price on
11-01-2026

$7.57 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1306666 - 058198025A - Valve Cover Gasket Set - Stop oil leaks and prevent internal engine damage - Elring - Audi Volkswagen

Stop oil leaks and prevent internal engine damage 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
1306666
Mfg#:
058198025A
In Stock
$22.99

This product was last offered at the strikethrough price on
06-22-2026

$22.29 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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